Software Engineering Jobs in London

1 to 25 of 451 Software Engineering Jobs in London

Software Engineering Graduate Scheme 2026

london, south east england, united kingdom
Hawk Eye Innovations
Software Engineering Graduate Scheme at Hawk-Eye Innovations Start Date: September 2026 Duration: 2 Years Location: Basingstoke/London Salary: £35,000 Application Deadline: 1st December 2025 Kickstart Your Career in Sports Technology with Hawk-Eye Innovations Step into the world of sports technology with Hawk-Eye Innovations' Software Engineering Graduate Scheme. Over the course of … two years, you'll work within one of our software engineering disciplines, gaining hands-on experience within the sports tech industry. You'll be at the forefront of creating and innovating technology that enhances global sports like football, tennis, and cricket. A Day in the Life of a Software Engineering Graduate: Specialise and Innovate: Specialise in … team. 2026 Graduate Scheme Entry Requirements: Academic Background: A BSc in Computer Science or a related discipline, ideally with a 2:1 or above. Technical Skills: Demonstrable experience in software engineering, with a working knowledge of C++, Java, Python or other programming languages. Mindset: You thrive in an innovative, fun environment, eager to learn, collaborate, and push technological More ❯
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Top-Tiered Software Engineering Expert

london, south east england, united kingdom
Hybrid/Remote Options
Mercor
Mercor is hiring experienced Top-Tiered Senior Software Engineering professionals to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work on code validation, prompt refinement, algorithmic evaluation, and model benchmarking. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of … intelligent systems. Key Responsibilities Review and refine AI-generated prompts, responses, and code Validate algorithms and software concepts for technical accuracy Provide structured feedback on solution quality and clarity Tag and organize content by topic, difficulty, or language Support benchmarking efforts to assess model capabilities Ideal Qualifications 5+ years of experience in software engineering, technical research, or … educational content development Degree in Software Engineering, Computer Science, or a related field (Bachelor's minimum; advanced degree preferred) in Top US Colleges or Universities. Strong proficiency in languages like Python, JavaScript, Java, or C++, among other popular languages Experience with debugging, testing, and validating code Comfortable with technical writing and attention to detail Project Timeline Start Date More ❯
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React/Java Full Stack Software Engineer II

london, south east england, united kingdom
JPMorganChase
Description You're ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you. As a Software Engineer II at JPMorgan Chase within the Corporate Technology - Corporate Oversight & Governance Group, you will be part of an agile team dedicated to enhancing … designing, and delivering the software components of the firm's cutting-edge technology products in a secure, stable, and scalable manner. In your role as an emerging member of the software engineering team, you will execute software solutions by designing, developing, and troubleshooting various components within a technical product, application, or system, while acquiring the skills … and experience necessary for growth in your position. Job responsibilities Executes standard software solutions, design, development, and technical troubleshooting Writes secure and high-quality code using the syntax of at least one programming language with limited guidance Designs, develops, codes, and troubleshoots with consideration of upstream and downstream systems and technical implications Applies knowledge of tools within the Software More ❯
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Sr Lead Software Engineer, Java, React, Kafka

london, south east england, united kingdom
JPMorgan Chase
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Global Technology division, you will serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable … and scalable. Lead the effort & contribute towards the identification and implementation of opportunities to eliminate or automate remediation of recurring issues, with aim of improving overall operational stability of software applications and systems. Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems. … Contributes to software engineering communities of practice and events that explore new and emerging technologies. Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts, and proficient advanced experience. Ability to solve complex problems and a track record of high performance and delivery. Strong hands-on experience implementing globally distributed real-time systems More ❯
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Senior Security Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Our Future Health
We're looking for someone that is passionate about Security Engineering with a core software engineering background to do something that is the first of its kind at this scale. We're embedding a Security Engineer directly into a product squad where you'll be building a world-class security control (our own Airlock), written in Python … and designed from the ground up. You'll start fully embedded in our Research Enablement squad, acting as both Security SME and Software Engineer. Over time, your role will evolve into a roughly 50/50 split between hands-on coding and broader security engineering across the organisation. We're looking for someone with a strong software engineering mindset, a love of automation, and the ability to balance technical ambition with pragmatic delivery. If you've built security tools in product-led environments, this is your chance to do it again, but in an environment that is striving to deliver a positive impact to millions of people. At Our Future Health, our mission is to More ❯
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Principal Full Stack Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Mott MacDonald
Location/s: London Recruiter contact: Nikki George Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power … our global reach. About the Role We're seeking a Principal Full Stack Engineer to lead the design, development, and scaling of AI-powered digital products that serve infrastructure, engineering, and consulting professionals around the globe. This is a hands-on leadership role that blends deep technical skills with strategic thinking. You'll balance the role of individual contributor … managers to shape roadmaps based on technical feasibility and user value. DevOps & CI/CD: Support cloud-native deployment pipelines, automated testing, and observability for everything we build. Champion software engineering excellence: Drive continuous improvement across software engineering culture, codebases, and development practices. What You'll Bring Clear communicator, with the ability to engage and influence More ❯
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Head of Software Engineering

London, South East, England, United Kingdom
Identify Solutions
Head of Engineering - Lead Engineering for a London AI Pioneer Central London | Hybrid (3 days on-site)£120k + Stock Options + Benefits A fast-growing, research-driven AI pioneer is hiring a Head of Engineering to lead its software engineering team and work directly with the Founder. Their AI products are used by major … has been building advanced AI for over a decade. You'll lead a talented team, define technical strategy, stay hands-on, and drive the delivery of scalable, high-quality software used worldwide. Role Highlights Lead and scale a 7-person engineering team with real autonomy. Own technical strategy, architecture, and delivery. Work directly with the Founder on next … gen AI products. Fast-moving, low-bureaucracy culture with high-calibre engineers. Strong focus on learning, experimentation, and AI/ML innovation. What You'll Bring Engineering leadership experience in fast-paced environments (3+ years). Strong full-stack skills (Java, TypeScript/JS, SQL/NoSQL). Hands-on experience with AWS, microservices, scalable systems. Ability to own More ❯
Employment Type: Full-Time
Salary: £110,000 - £120,000 per annum
Posted:

Assistant Professor / Associate Professor in Computing

City Of Westminster, London, United Kingdom
Imperial College London
computing. Security, including cryptography and post-quantum security, usable security and human factors, security for AI and AI for security, blockchain and distributed ledger technologies, systems and network security, software and malware security, privacy. Software Engineering, including AI-assisted software development, software architecture and design, formal methods, testing, empirical software engineering, human factors … and software evolution. Computer Architecture, including neuromorphic computing, processor and memory system design, new computer architectures for efficiency and scalability, parallel and multi-core systems, domain-specific accelerators (e.g., for AI, graphics and vision), and quantum computing hardware. Theoretical Computer Science, including algorithms and data structures, complexity theory, cryptography and information theory, quantum algorithms, and theory of quantum computation. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Assistant Professor / Associate Professor in Computing

Westminster, West End, United Kingdom
computing. Security, including cryptography and post-quantum security, usable security and human factors, security for AI and AI for security, blockchain and distributed ledger technologies, systems and network security, software and malware security, privacy. Software Engineering, including AI-assisted software development, software architecture and design, formal methods, testing, empirical software engineering, human factors … and software evolution. Computer Architecture, including neuromorphic computing, processor and memory system design, new computer architectures for efficiency and scalability, parallel and multi-core systems, domain-specific accelerators (e.g., for AI, graphics and vision), and quantum computing hardware. Theoretical Computer Science, including algorithms and data structures, complexity theory, cryptography and information theory, quantum algorithms, and theory of quantum computation. More ❯
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Active Cyber Engineer

London, South East, England, United Kingdom
Hybrid/Remote Options
Searchability NS&D
benefits Secure hybrid model with three days onsite and two days remote Play a key role in high impact national security work as an Active Cyber Engineer Work across software engineering, research, and advanced cyber capability development Active eDV clearance required ABOUT THE CLIENT Our client is a specialist organisation that delivers high assurance technology solutions to support … technical work THE ACTIVE CYBER ENGINEER ROLE As an Active Cyber Engineer, you will contribute to the full lifecycle of cyber capability development. You will design and develop bespoke software across a range of platforms, conduct exploratory research, assess vulnerabilities, and translate research output into proof-of-concept tooling and robust operational capabilities. You will also work within an … Agile environment, present findings to customers and stakeholders, and support planning, estimation, and engineering best practice. ACTIVE CYBER ENGINEER ESSENTIAL SKILLS Strong software engineering background Experience with one or more of the following: C, C Plus Plus, Python, Assembly, or C Sharp Understanding of vulnerability research or exploratory research environments Experience across at least one major platform More ❯
Employment Type: Full-Time
Salary: £85,000 - £95,000 per annum
Posted:

Senior Director of Software Engineering, Head of Identity and Access Management for CDAO

london, south east england, united kingdom
JPMorganChase
Description Bring your expertise to JPMorgan Chase and shape the future of secure and resilient AI. As the Senior Director of Software Engineering at JPMorgan Chase within the CDAO group, you will be at the epicenter of safeguarding the firm's most critical assets in an era of rapid technological advancement. You will pioneer the Identity and Access … for AI/ML, responding to regulatory inquiries, providing insightful documentation, and demonstrating a mature and compliant program. Foster a Culture of Security: Engage with cybersecurity, data science, and engineering teams to embed secure IAM practices throughout the AI development lifecycle and promote a deep understanding of the associated risks. Analyze and Learn from Incidents: Review and derive actionable … influence IAM governance forums, providing strategic insights to drive risk management initiatives and shape the firm's security policies. Required Qualifications, Capabilities, and Skills: Formal training or certification on software engineering concepts and expert applied experience. Significant years of experience in senior Identity and Access Management, cybersecurity, or related engineering roles. An expert-level understanding of core More ❯
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Software Test Engineer

Enfield, Middlesex, England, United Kingdom
Pertemps Specialist Division
Job Title: Software Test Engineer Location: Enfield, North London Employment Type: Permanent | Full-time Salary: £45,000 to £50,000Are you a hands-on Software Test Engineer looking for a role that combines technical challenge, product innovation, and real-world application We’re recruiting on behalf of a leading engineering business recognised globally for its advanced navigation … a fantastic opportunity to join a well-established team where your expertise will directly support the design, build, and delivery of cutting-edge maritime systems. The Role As a Software Test Engineer, you’ll take ownership of software build and testing activities to ensure the company’s products and services meet the highest performance and reliability standards. Working … closely with internal teams and external partners, you’ll play a key role in validating software performance, improving testability, and ensuring seamless integration across systems. Key Responsibilities: Build, test, and validate software for advanced engineering products and systems Create and maintain software build and test documentation Act as a technical liaison with customers, collaborators, and internal More ❯
Employment Type: Full-Time
Salary: £45,000 - £50,000 per annum
Posted:

Software Test Engineer

London, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
Software Test Engineer North London 40,000 - 45,000 A global pioneer of technology and innovation in the field of defence and security electronics are seeking a Software Test Engineer to be responsible for the build and test of software to support the company's products and services. Key Accountabilities - Software Test Engineer + Responsible for … building and testing software to support the company's products and services. + Responsible for producing and maintaining software build and software test specifications. + Helping to improve the testability of software. + Undertakes additional project tasks as required by management. + You will collaborate closely with software developers, system engineers, and product managers throughout the … development process to guarantee that the final software solutions meet the required specifications and quality goals. Skills and knowledge required - Software Test Engineer + Good Engineering Degree with Software Content or equivalent. + Technical background. + Good understanding of Software Engineering Lifecycle, in particular test and integration. + Knowledge of scripting/programming languages More ❯
Employment Type: Permanent
Salary: GBP 40,000 - 45,000 Annual
Posted:

Software Test Engineer

Enfield, London, Enfield Town, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
Software Test Engineer North London £40,000 - £45,000 A global pioneer of technology and innovation in the field of defence and security electronics are seeking a Software Test Engineer to be responsible for the build and test of software to support the company's products and services. Key Accountabilities - Software Test Engineer + Responsible for … building and testing software to support the company's products and services. + Responsible for producing and maintaining software build and software test specifications. + Helping to improve the testability of software. + Undertakes additional project tasks as required by management. + You will collaborate closely with software developers, system engineers, and product managers throughout the … development process to guarantee that the final software solutions meet the required specifications and quality goals. Skills and knowledge required - Software Test Engineer + Good Engineering Degree with Software Content or equivalent. + Technical background. + Good understanding of Software Engineering Lifecycle, in particular test and integration. + Knowledge of scripting/programming languages More ❯
Employment Type: Permanent
Salary: £40000 - £45000/annum
Posted:

Senior Engineer

london, south east england, united kingdom
Hong Kong Exchanges and Clearing
approved brands list, LME responsible sourcing, and LMEpassport. Purpose of Role : This role is a critical part of the new technology team supporting the SPM team, providing key data engineering activities including enterprise data model updates, pipeline management, analysis & visualisation engineering, supporting the SPM technology team, external SPM vendors and working with the wider technology teams to integrate … closely alongside the SPM business team and technology vendors to engineer solutions supporting their strategic roadmap. This is a high-impact role for a candidate who is passionate about engineering excellence, working directly with business teams to create solutions and enabling tangible value through technology. This role is a full-stack engineering role (covering frontend, backend, data, infrastructure … and infrastructure to support sustainability data modelling, analysis, and critical data workloads, ensuring reliability and scalability. Ensure the robustness and quality of data workloads using Python and modern data engineering practices, including automated validation, monitoring, and comprehensive testing. Own and evolve the team's data models and integrations, supporting seamless data flows across platforms such as Salesforce, LMEpassport, and More ❯
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Senior Specialist Engineer (SRE)

Birmingham, Leeds, Liverpool, London (Canary Wharf), United Kingdom
Hybrid/Remote Options
UK Health Security Agency
to meet/exceed SLOs (Service Level Objectives) The role will be responsible to the Principal Specialist Engineer SRE and is part of the High Performance Computing, Site Reliability Engineering , Artificial intelligence (HPC/SRE/AI) & research computing unit whose remit is to: Architect, develop & manage multi-cloud HPC platforms and on-premise infrastructure Ensure services are highly … repeatable operations, reduce manual intervention and improve efficiency. Write code that is maintainable, clear, and concise. Optimise system performance using strong problem-solving skills to identify bottlenecks with an engineering mindset. Ensure systems can handle current and future workloads through automation and capacity planning. Continuously improve services through observability, and identify ways to improve observability practices. Follow SRE principles. … Guide and educate stakeholders to adopt implemented principles. Provide technical documentation for engineers. Providing training, where appropriate. Working closely with engineering and technology teams to improve operational processes, reduce manual tasks, ensure seamless collaboration/knowledge sharing, reduce risks and adapt to new ways of working. This list is not exhaustive. About us We pride ourselves as being an More ❯
Employment Type: Permanent
Salary: £41983.00 - £52113.00 a year
Posted:

Senior Software Engineer - FTC [UK]

West London, London, United Kingdom
Hybrid/Remote Options
Spyrosoft Ltd
Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are looking for a passionate Senior Software Engineer who lives and breathes Java development to join us working with our media client. You will make a key contribution to the entire development lifecycle including new writing features, fixing bugs … and performing code reviews. You will have the opportunity to lead the design and development of high quality software solutions and tools to meet business needs, collaborate with Principle Engineers and Architects to define best practices, write clean/efficient code following good design patterns, lead research activities such as technical spikes, lead troubleshooting and issue resolution activities, follow … have developed CI pipelines be confident deploying code to production systems be an excellent communicator and enjoy team collaboration some experience in AWS CDK (desired) have solid understanding of software development principles, best practices and Agile methods (desired) have developed non-functional concerns e.g. integration with monitoring/alerting tools, security tools and practice (desired) have a strong willingness More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Software Engineering Manager - Unified Client Experience (UCX)

City of London, London, United Kingdom
Hybrid/Remote Options
Hargreaves Lansdown
HL are looking for an experienced and talented Software Engineering Manager to lead a Unified Client Experience (UCX) product development team in building market-leading solutions for our clients. About HL and the opportunity. We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and … of the whole organisation, transforming client journeys and delivering on HL's vision to give people financial freedom. You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment. By joining us, you'll help deliver innovative … Be part of HL's future. Be part of the future of investing. Shape it with us. What You'll Be Doing Building and deploying scalable, secure, and compliant software at pace. Integrating HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services. Delivering value iteratively More ❯
Employment Type: Permanent, Work From Home
Posted:

Exceptional Software Engineers

london, south east england, united kingdom
Mercor
Mercor is seeking software engineers to support one of the world's leading AI labs in building robust, high-performance systems that serve the needs of next-generation machine learning applications. This role involves real-world engineering work—including environment configuration, database design, and the creation of scalable APIs and service layers that interface with advanced AI models. … You are good fit if you: Have experience using coding agents as part of your software engineering workflow. Have 3+ years of elite software engineering experience from top-tier technology startups, quantitative trading firms, hedge funds, or similarly demanding environments. Hold a Computer Science degree from a prestigious university. Have demonstrated success leading teams to build More ❯
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Machine Learning Engineer

london, south east england, united kingdom
Kraken
Energy, we took them to become the biggest supplier in the UK, and now we power energy companies and utilities around the globe - in 10 countries and counting, licensing software to giants like Origin Energy in Australia and Tokyo Gas in Japan. We're on a mission to accelerate the renewable transition, and bring affordable green energy to the … controls more than half of the grid-scale batteries in the UK. We're driving the uptake of low carbon technologies like solar panels and heat pumps via our software for engineers in the field. Our platform allows our energy specialists to be the most productive in the industry, with our suite of AI tools making us pioneers in … understanding of diverse technologies and techniques to adapt LLMs to domains (like advanced RAG techniques, tool calling, finetuning and RL) Of particular interest are cutting-edge AI systems in software engineering, for example working on AI software copilots or autonomous software engineering bots 3+ years experience of traditional ML techniques including training and deploying non More ❯
Posted:

Senior Software Developer - FTC [UK]

West London, London, United Kingdom
Hybrid/Remote Options
Spyrosoft Ltd
and video content online. In a future dominated by digital media, our role ensures the content stays relevant in a rapidly evolving landscape. To join our Agile, multi-disciplinary engineering team, the ideal candidate will have strong skills in Java, AWS (Lambda, Step Functions, S3, SQS/SNS, EventBridge), CI/CD pipelines, TDD/BDD, and enjoy pair … high level confident communicator with a Growth Mindset have an understanding of CI/CD be competent coding using Test Driven Development & BDD patterns have a solid understanding of software development principles proactive and a results orientated individual enjoy pair programming and collaborating with other engineers have a strong willingness to learn and be a keen team player have … documentation Tools and Technology Java AWS (Lambdas, Step Functions, S3, SQS/SNS EventBridge) CI/CD TDD &BDD Python, Bash or Ruby Experience A degree in Computer Science, Software Engineering, or a related field or similar work based experience. Proven experience as a Senior Software Engineer ideally with a focus on media-related projects. Very good More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Software Test Engineer

London, United Kingdom
Hybrid/Remote Options
Matchtech
Are you ready to work on cutting-edge software that supports next-generation naval technology? We're looking for a talented Software Test Engineer to join our innovative Radar & Naval team. You'll play a key role in building, testing, and improving software that powers advanced naval systems, helping ensure mission-critical performance and reliability. What You … ll Do: Develop, test, and validate software that underpins state-of-the-art naval and radar products. Create and maintain detailed software build and test specifications. Collaborate with internal teams and external partners to ensure seamless software integration. Improve software testability and quality through innovative approaches. Take on exciting project challenges that directly impact cutting-edge … technology. Occasionally travel to UK and international sites to see your software in action at sea. What You'll Bring: Technical background and hands-on experience testing software on Windows platforms. Knowledge of scripting/programming languages to automate builds and testing. Understanding of the Software Engineering Lifecycle, especially testing and integration. Strong communication skills and More ❯
Employment Type: Permanent
Salary: GBP 45,000 - 50,000 Annual
Posted:

Senior Full Stack Java Developer

london, south east england, united kingdom
Hybrid/Remote Options
Version 1
the opportunity to work on some really challenging and interesting, large scale transformational and migration projects within both public and private sector. Designing, developing, testing and maintaining cloud-based software applications. Technical leadership within a team to coordinate and deliver scalable, secure solutions in line with good industry software engineering practices (code quality, CI/CD, security … etc). Working within a project management/agile delivery methodology Experience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creation Documentation of solutions (e.g. architecture, configuration, release, support-handover Collaborate and liaise with other Version 1 and customer stakeholders/end users in the software development lifecycle … patterns, including microservices and message-driven architectures NFR/Non-Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role using the following technologies: Frontend (JavaScript/TypeScript More ❯
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Axle Energy
We're hiring engineers who ship fast, build delightful products, and want to step into the arena in the fight against climate change. We're building the software infrastructure for the decarbonised energy system, backed by some of the best investors in the world (TechCrunch). We make the technology to move energy usage to times when electricity is … cheap and green. Our software controls vehicle charging, heating systems, and home batteries. We use machine learning to figure out what energy people will need, and when they'll need it. We control tens of thousands of energy assets, and we're growing quickly. Read more about what we're building here. About the role: Software Engineers at … Axle build the core infrastructure for connecting to distributed energy devices, orchestrating them, and allowing them to participate in electricity markets. This is a generalist Software Engineering role, encompassing product-engineering, devops, and data engineering. We encourage engineers to own as much of the problem-space as they can: you'll spend time talking to clients, getting More ❯
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid/Remote Options
Haiqu Inc
Advance practical quantum computing through robust, production‐grade software. Haiqu is building a world-leading software platform that enables previously impossible applications on modern quantum processors. Our full-stack approach has shown industry-first results in pilots with leading quantum early adopters. Backed by top investors, we offer a unique opportunity to join a fast-growing team and shape … the development of the Quantum Computing software stack, allowing researchers and engineers to build meaningful applications without worrying about low-level intricacies. We are looking for a Software Engineer (Quantum Platform and Tools) to contribute to the development of core components of our stack—from designing performant transpilation passes and hardware integrations to expanding our cloud‐native SDK … to quantum hardware APIs. Experience of API-level interaction and understanding of device-specific properties (e.g., coherence times, gate fidelities, execution queues) Requirements Strong experience in Python and modern software engineering practices Be comfortable with low-level programming when needed (e.g. C++, Rust, C) Strong software engineering background, including: Design patterns Data structures and algorithms API More ❯
Posted:
Software Engineering
London
10th Percentile
£57,500
25th Percentile
£74,688
Median
£100,000
75th Percentile
£123,125
90th Percentile
£142,500