776 to 800 of 821 Software Engineering Jobs in the City of London

Fully Remote - Outstanding Career Opportunity - C++ Software Developer We’re working with a thriving, independent software company whose products are trusted by some of the world’s most respected organizations - including leading consulting firms and Fortune 500 enterprises. Their solutions empower millions of professionals across the globe. This is a unique opportunity to become part of a small … top-tier engineering team, building high-performance, cutting-edge C++ software. What You’ll Gain: Engaging, technically challenging C++ projects with tangible global impact A remote-friendly, international team culture Flat, agile structure with minimal red tape Competitive compensation with generous performance-based bonuses Strong backing for continuous learning and professional growth What We’re Looking For: 3+ years … algorithms, data structures, and optimization techniques Passion for writing clean, efficient, and dependable code Proactive, curious, and collaborative mindset If you’re excited about working on world-class C++ software in an environment that prizes technical mastery and innovation, we’d love to hear from you. More ❯

scalable, low-latency systems that enable real-time analytics and execution. This is an opportunity to work at one of the world’s most respected trading organisations, tackling complex engineering challenges while contributing directly to PnL and strategy performance. Role Design, develop, and enhance pricing and risk systems supporting global FX trading desks Work closely with quants and traders … to implement analytics, calibration tools, and model improvements Build performant, reliable software that integrates seamlessly with research and trading workflows Optimise existing systems for latency, scalability, and stability Deliver high-quality, well-tested code into production environments with minimal supervision Skills/Experience 4+ years experience as a Quant Developer, Software Engineer, or similar front-office role within … trading or hedge funds (also open to a vendor) Strong coding skills in C# and Angular (Python experience also valuable) Degree (or higher) in Computer Science, Engineering, or a related quantitative field Self-motivated, delivery-focused, and confident working in high-pressure environments Sells Work directly with front-office teams in a true high-impact engineering role Collaborative More ❯

scalable, low-latency systems that enable real-time analytics and execution. This is an opportunity to work at one of the world’s most respected trading organisations, tackling complex engineering challenges while contributing directly to PnL and strategy performance. Role Design, develop, and enhance pricing and risk systems supporting global FX trading desks Work closely with quants and traders … to implement analytics, calibration tools, and model improvements Build performant, reliable software that integrates seamlessly with research and trading workflows Optimise existing systems for latency, scalability, and stability Deliver high-quality, well-tested code into production environments with minimal supervision Skills/Experience 4+ years experience as a Quant Developer, Software Engineer, or similar front-office role within … trading or hedge funds (also open to a vendor) Strong coding skills in C# and Angular (Python experience also valuable) Degree (or higher) in Computer Science, Engineering, or a related quantitative field Self-motivated, delivery-focused, and confident working in high-pressure environments Sells Work directly with front-office teams in a true high-impact engineering role Collaborative More ❯

Software Engineer - Compiler Role Overview: Develop and optimize compiler technologies for our RISC-V vector core, focusing on efficient code generation and optimization for graphics and AI workloads. Key Responsibilities: Develop and maintain compiler backend for our RISC-V vector extensions Implement code generation and optimization passes for graphics and AI workloads Contribute to shader compilers for Vulkan and More ❯

Role: Staff Software Engineer (Python | Backend | Infrastructure) Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI lab pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the … Kubernetes , AWS , and modern cloud infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs , websockets, and authentication/security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific … pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change More ❯

Role: Staff Software Engineer (Python | Backend | Infrastructure) Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI lab pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the … Kubernetes , AWS , and modern cloud infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs , websockets, and authentication/security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific … pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change More ❯

/London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and data structures to extract key metadata … other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C/C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Location/WFH: You can work from home most of the time, meeting up with colleagues in the London office once … or twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You're degree educated in Computer More ❯

interactive content more efficiently. The role involves building web-based features, integrating APIs, and collaborating with teams working on AI-powered content generation. Youll be joining a curious, collaborative engineering team tackling challenging, high-impact problems in creative tools. What youll do Build interactive, browser-based experiences powered by generative AI Design and implement API-driven features using Node … backend teams on real-time media + collaboration tools Ship high-quality code and improve performance, reliability, and scalability What were looking for 4 years + experience as a software engineer (backend focus) Strong TypeScript Architecting production-ready cloud systems Hands-on experience building and integrating APIs Comfortable with cloud concepts (storage, CDNs, queues, serverless) This is a chance More ❯

business problems, then you’ll be helping to plan a pragmatic technical roadmap and delivering against that. This is a start-up so you’ve got to love product engineering as well as writing well crafted code. You will need to be pragmatic, take ownership, have a product mindset and be reliable with great communication skills. As part of … done and we are looking for someone with a great attitude who is happy to go the extra mile. Skills and experience: 5+ years of professional experience as a software engineer. Ideally, experience with JavaScript/Typescript and GCP Strong system design experience. Able to explain architectural trade-offs. Strong backend development skills and experience designing resilient systems. Strong More ❯

Lead Software Engineer - Python🚀 Salary - £90,000 - £110,000 Health-Tech Startup 🙌 London, London - Hybrid (2 days Liverpool Street)👌 Founded - 2022 😎 £3million Seed Funding 💰 I am partnered with a Health-Tech Startup revolutionising healthcare by tackling one of the NHS’s biggest challenges — Missed appointments and the growing waitlist, through the power of AI & ML. Founded in 2022, the … AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI/ML models into production. Ensuring system reliability, security, and performance. Driving best practices in backend engineering and mentoring junior developers as the team grows. Collaborating with stakeholders to define technical roadmaps and architecture decisions. What’s in it for You? 💰 Salary More ❯

Lead Software Engineer - Python🚀 Salary - £90,000 - £110,000 Health-Tech Startup 🙌 London, London - Hybrid (2 days Liverpool Street)👌 Founded - 2022 😎 £3million Seed Funding 💰 I am partnered with a Health-Tech Startup revolutionising healthcare by tackling one of the NHS’s biggest challenges — Missed appointments and the growing waitlist, through the power of AI & ML. Founded in 2022, the … AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI/ML models into production. Ensuring system reliability, security, and performance. Driving best practices in backend engineering and mentoring junior developers as the team grows. Collaborating with stakeholders to define technical roadmaps and architecture decisions. What’s in it for You? 💰 Salary More ❯

RJC Group is looking for a Software Engineer skilled in Python to help build and enhance our global commodity trading clients' analytics platform by developing data-driven solutions, collaborating across teams, and working on their in-house trading system. Responsibilities: Build reusable data components connecting external sources and internal tools Modernize legacy codebases to Python Translate business needs into More ❯

RJC Group is looking for a Software Engineer skilled in Python to help build and enhance our global commodity trading clients' analytics platform by developing data-driven solutions, collaborating across teams, and working on their in-house trading system. Responsibilities: Build reusable data components connecting external sources and internal tools Modernize legacy codebases to Python Translate business needs into More ❯

C++ Graphics Software Engineer London £50,000 - £60,000 You’ll be joining a brand-new specialist team of experts across software, product, content, and electronics, developing cutting-edge acoustic and visual technologies that use advanced projection and optimisation techniques to manipulate particles and create dynamic mid-air visual effects. What You’ll Be Doing Implement 3D model … data into path representations, similar to CAD or 3D printing toolchains. Create intuitive internal tooling for non-technical users, focusing on usability and rapid iteration of prototype features. Integrate software with hardware control systems and design computational pipelines bridging authoring tools with physical display platforms. Design and prototype GUI applications for authoring and editing animated 3D content. Collaborate closely … with multidisciplinary teams to evolve prototype tools into customer-facing products. What's required for this C++ Graphics Software Engineer opportunity? Strong experience in C++. Proven capability with 3D graphics in OpenGL and OpenCL. Experience in optimisation, particularly in path planning. Solid understanding of real-time tracking, projection mapping, and geometry-based visual algorithms. Background in simulation, graphics, or More ❯

C++ Graphics Software Engineer London £50,000 - £60,000 You’ll be joining a brand-new specialist team of experts across software, product, content, and electronics, developing cutting-edge acoustic and visual technologies that use advanced projection and optimisation techniques to manipulate particles and create dynamic mid-air visual effects. What You’ll Be Doing Implement 3D model … data into path representations, similar to CAD or 3D printing toolchains. Create intuitive internal tooling for non-technical users, focusing on usability and rapid iteration of prototype features. Integrate software with hardware control systems and design computational pipelines bridging authoring tools with physical display platforms. Design and prototype GUI applications for authoring and editing animated 3D content. Collaborate closely … with multidisciplinary teams to evolve prototype tools into customer-facing products. What's required for this C++ Graphics Software Engineer opportunity? Strong experience in C++. Proven capability with 3D graphics in OpenGL and OpenCL. Experience in optimisation, particularly in path planning. Solid understanding of real-time tracking, projection mapping, and geometry-based visual algorithms. Background in simulation, graphics, or More ❯

Job Title: Temenos Payments/Derivatives - T24 Software Engineer Location: London/2-Days Onsite Duration: 12 Month Contract The T24 Developer is responsible for the development and support of the TRANSACT software platform. This role involves active participation in all phases of the software development lifecycle, working closely with business analysts and product owners to translate … business requirements into effective technical designs and software solutions. Key Responsibilities Customize and enhance T24 modules to meet business needs. Document new and modified software solutions using tools such as Source, Confluence, and JIRA. Communicate development progress and issues to management in a timely manner. Support unit testing and assist the SIT/UAT teams during testing and More ❯

Role: Distributed Systems Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in Rust, Python or C++) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of some … languages (such as Rust and Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning Infrastructure and tweaking research models What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very friendly, tight-knit environment • Flat More ❯

to solve complex problems. You have strong technical judgment. You can arbitrate technical discussions and make tradeoffs that balance short-term impact and long-term health. You’ve led engineering teams. You’ve managed and grown mid-sized teams (5-10 engineers), and you know how to balance delivery with team wellbeing. You value leadership. You lead by example … Experience with platform, infrastructure, developer tooling, or internal enablement teams. What we are looking for in you Technical leadership: Writing and reviewing production code regularly, contributing to Duffel’s engineering standards and helping the team make well-informed technical decisions. Shaping the roadmap: Collaborating with product managers and designers to define and deliver on a roadmap that balances technical … and customer priorities. Team enablement: Driving high team performance through enabling healthy engineering practices—agile delivery, rapid iteration, test-driven development, and continuous improvement. Mentorship & coaching: Supporting your teammates in their personal growth through 1:1s, mentoring, and continuous feedback. Helping engineers identify and pursue their career goals. Engineering culture: Actively contributing to a positive, inclusive, and collaborative More ❯

to solve complex problems. You have strong technical judgment. You can arbitrate technical discussions and make tradeoffs that balance short-term impact and long-term health. You’ve led engineering teams. You’ve managed and grown mid-sized teams (5-10 engineers), and you know how to balance delivery with team wellbeing. You value leadership. You lead by example … Experience with platform, infrastructure, developer tooling, or internal enablement teams. What we are looking for in you Technical leadership: Writing and reviewing production code regularly, contributing to Duffel’s engineering standards and helping the team make well-informed technical decisions. Shaping the roadmap: Collaborating with product managers and designers to define and deliver on a roadmap that balances technical … and customer priorities. Team enablement: Driving high team performance through enabling healthy engineering practices—agile delivery, rapid iteration, test-driven development, and continuous improvement. Mentorship & coaching: Supporting your teammates in their personal growth through 1:1s, mentoring, and continuous feedback. Helping engineers identify and pursue their career goals. Engineering culture: Actively contributing to a positive, inclusive, and collaborative More ❯

a huge amount of funding, and having brought in a number of the most impressive leaders from the top HFT firms, they are looking to expand their Core Defi Engineering Team. This core team work on the build out of a one of a kind central system that serves as the backbone to all of their front office trading More ❯

Balance speed and scalability—know when to ship fast and when to invest in solid foundations. Champion best practices in testing, reliability, and security. What You’ll Need Strong engineering fundamentals and experience shipping reliable systems. Proficiency in Python (FastAPI), SQLAlchemy, Pydantic, PostgreSQL, GCP Experience building AI products and working closely with users. Fosters a start up mindset & comfortable More ❯

traction across sectors like supply chains, agri, and data centres 🧩 Complex, meaty problems to solve using deep-learning and planetary-scale data Now they need you as their first software engineer. You’ll be: Turning scientific models into a usable, commercial product Setting up the technical toolkit Designing and architecting the product from scratch Building APIs, setting up infra … and shaping the full-stack Working hands-on with the CEO and Chief Scientist Defining the early engineering culture and best practices You should have: 7+ years of experience (Python-focused, ideally backend-leaning) FE experience Proven ability to build 0 to 1 products, especially in early-stage startups Experience with huge datasets and/or geospatial data A More ❯

Data Engineer/Data Practitioner | FinTech | £30–35k | London (Hybrid) An early-stage FinTech is looking for a Data Engineer/Data Practitioner/Software Engineer to join their growing team. The company is modernising and launching innovative integration platform technology already in use by a global customer base. Salary Package: £30,000 – £35,000 + Benefits Location: Central … organisation, reporting directly into a talented Chief Data Officer and within a wider collaborative environment that values curiosity, innovation, and technical excellence. The Data Engineer/Data Practitioner/Software Engineer will: Support internal teams and external partners with data tools and services. Design, develop, and test data-first applications and analytics. Contribute predictive data science projects. Collaborate on … defining features and user stories. The Data Engineer/Data Practitioner/Software Engineer will: Have experience with Python, databased and analytical SQL’s. Have strong analytical and problem-solving skills. Possess excellent communication and stakeholder management abilities. Thrive in a collaborative, fast-paced environment. More ❯

Data Engineer/Data Practitioner | FinTech | £30–35k | London (Hybrid) An early-stage FinTech is looking for a Data Engineer/Data Practitioner/Software Engineer to join their growing team. The company is modernising and launching innovative integration platform technology already in use by a global customer base. Salary Package: £30,000 – £35,000 + Benefits Location: Central … organisation, reporting directly into a talented Chief Data Officer and within a wider collaborative environment that values curiosity, innovation, and technical excellence. The Data Engineer/Data Practitioner/Software Engineer will: Support internal teams and external partners with data tools and services. Design, develop, and test data-first applications and analytics. Contribute predictive data science projects. Collaborate on … defining features and user stories. The Data Engineer/Data Practitioner/Software Engineer will: Have experience with Python, databased and analytical SQL’s. Have strong analytical and problem-solving skills. Possess excellent communication and stakeholder management abilities. Thrive in a collaborative, fast-paced environment. More ❯

London (Hybrid) | Climate Tech Startup | Software Engineer A climate tech startup on a mission to make clean energy the default - and they need curious engineers who love solving tough technical problems with real-world impact. Their platform helps balance the grid by shifting energy use to cleaner, cheaper times. Think large-scale optimisation for EVs, home batteries, and heating … ll own meaningful projects that impact millions of households You’ll have autonomy, trust, and the space to move fast You’ll help shape both the product and the engineering culture 🚀 They value Curiosity and quick learning - build, test, improve Passion for clean energy and solving climate challenges A collaborative mindset and comfort in startup pace Their core stack More ❯