101 to 125 of 640 Software Engineering Jobs in London

Verification & Validation Systems Engineer Location: South West London (hybrid) Salary: 55,000 - 65,000 The Opportunity This is an opportunity to join a leading engineering organisation operating within a highly regulated, defence focused, safety-critical environment. As a Verification & Validation Engineer , you will play a key role in ensuring … performance, safety and compliance of complex software and hardware systems. You will support the planning, execution and reporting of V&V activities across the full systems engineering lifecycle, contributing to high-profile defence and mission-critical programmes. You will work within a multidisciplinary team environment, delivering complex systems ...

Capital Markets Client are looking for a Software Engineering Team Lead - C# to join the team and deliver business critical software that moves markets! They are looking to offer up to £125k basic + 25% Bonus + Double Matched Pension. They go into the office 3 days ...

Responsibilities Design and build data products, with proficiency throughout the data lifecycle. Develop robust data models through close collaboration with business users and the engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Take … Ensure data quality and accuracy by implementing data validation, monitoring, and error-handling processes. Requirements At least 8 years experience in data analytics, data engineering, software engineering, or a similar role. Expertise in developing best practices for data engineering and analytics, with a strong background ...

highly technical, and product-focused, with a strong bias toward ownership, rapid iteration, and building systems that operate in complex, real-world enterprise environments. Engineering sits at the centre of everything, and individuals are expected to have a direct impact on product direction and architecture. The Role … seeking a Founding AI Engineer/Engineering Lead to join the business at a pivotal stage as the platform moves from early MVP into scalable production use with enterprise customers. This is a hands-on technical leadership role , not a product management position. You will be responsible for designing ...

reliable, and effectively integrated into business workflows to automate tasks and gain insights from data. Key responsibilities include refining model code for performance, ensuring software maturity, and solving complex technical hurdles during the transition from prototype to product. You will influence technical decisions within the team, mentor junior members … Model Maturation & Delivery: Design, build, and refactor complex machine learning models, ensuring they move from experimental stages to high- quality, high-performance production software. Software Engineering for AI: Take the output from research activities and "harden" the software to achieve higher TRLs suitable for deployment ...

energized by the frontier. If you want to do the best work of your career, this is the right place. About the role Our Engineering team tackles the toughest challenges, so our users never have to. Real-time infrastructure, AI-native architecture, and a frontend that feels effortless … looking for Staff Product Engineers that can solve our hardest technical problems, both individually and through technical leadership. You’ll design and build software that creates delightful, groundbreaking user experiences. You’ll play a key role in growing the talent in our engineering organization through mentoring, coaching ...

leading independent media agencies as a Data Science Engineer. A pivotal technical role sitting at the intersection of data science and engineering, supporting the marketing effectiveness team in delivering high impact, data driven insights Working for an IPA Effectiveness accredited agency, across multiple leading brands and charities helping … Produce clear technical documentation and promote best practices Mentor junior engineers and contribute to peer code reviews You'll need to have Strong Python engineering skills (clean, modular, production-ready code) Experience in data science, including ML/statistical modelling for MMM and econometrics Strong SQL for data extraction ...

agentic AI systems using trusted data sources Creating, testing and refining prompts, workflows and AI configurations to maximise accuracy and performance Applying solid software engineering practices including API development, version control, CI/CD and automated testing Monitoring and optimising AI systems in production, ensuring performance, cost control … standards Developing proof‐of‐concepts to support decision‐making and future investment Experience Required Proven experience delivering AI‐enabled solutions into production environments Strong software engineering background, particularly with Python and cloud technologies Experience working with large language models (LLMs) and AI‐driven systems Track record of working ...

agentic AI systems using trusted data sources Creating, testing and refining prompts, workflows and AI configurations to maximise accuracy and performance Applying solid software engineering practices including API development, version control, CI/CD and automated testing Monitoring and optimising AI systems in production, ensuring performance, cost control … standards Developing proof-of-concepts to support decision-making and future investment Experience Required Proven experience delivering AI-enabled solutions into production environments Strong software engineering background, particularly with Python and cloud technologies Experience working with large language models (LLMs) and AI-driven systems Track record of working ...

Stars Arena is looking for a Head of Software Engineering based in London, UK. This role focuses on creating a strategic blueprint for product development while actively participating in Python and Flutter mobile app development. You'll lead and mentor a team of developers, ensuring projects stay ...

translate business needs into scalable AI solutions Establish best practices across MLOps, DevOps and responsible AI at enterprise scale Your Skills & Experience Strong software engineering foundations with deep backend experience Commercial experience building and deploying AI or LLM-based systems into production environments Excellent data fundamentals with … ability to bridge data science and applied AI engineering Hands-on expertise across cloud platforms, MLOps, DevOps and modern software engineering principles Proven ability to operate at enterprise scale, balancing speed, quality and governance Confident communicator who can engage senior stakeholders and operate in ambiguous environments ...

PRINCIPAL SOFTWARE ENGINEER - DV CLEARED BRAND NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING SOFTWARE CONSULTANCY FOR A SOFTWARE TEAM LEAD WITH ENHANCED DV CLEARANCE Permanent job opportunity for a Software Team Lead Leading National Security consultancy Salary up to £100,000 + Benefits + Clearance … Bonus London based organisation in an easily accessible location To apply please call/or email WHO WE ARE? We are recruiting a Software Team Lead to work with a leading consultancy in London. We support Central Government, Defence and Law Enforcement customers across the UK with Software ...

building a world where prevention is the norm, and where your work genuinely helps people live longer, healthier lives. Role Purpose The Director of Software Engineering, Platform will lead the design, scaling, and reliability of Neko Health’s core infrastructure. This platform underpins health data, member data … significantly faster product deployment cycles through platform improvements Increase system reliability and reduce operational incidents affecting clinics Build and scale a high-performance platform engineering team (10-15 engineers initially) Define long-term platform strategy in close partnership with Product and Data Minimum Qualifications Proven experience building and scaling ...

components through careful design of libraries and services to be leveraged across the team. This role offers a unique blend of scientific research and software engineering, requiring a deep understanding of both mindsets. The role is initially that of an individual contributor, though there will be optional opportunity … dependent on the candidate’s experience. Job responsibilities Build robust Data Science capabilities which can be scaled across multiple business use cases Collaborate with software engineering team to design and deploy Machine Learning services that can be integrated with strategic systems Research and analyse data sets using ...

Capital One (Europe) plc is seeking a Director of Software Engineering in London to lead a team of over 100 engineers. The successful candidate will drive strategic initiatives, manage complex projects, and enhance technical capabilities across teams. This role offers a hybrid working model, providing flexibility to work ...

features within InsurSight, ensuring high performance, scalability, and maintainability Optimise complex data and analytics workflows, including processing large datasets (4GB+) Promote best practices in software engineering (testing, version control, CI/CD, OOP) Collaborate with actuaries, analysts, and data scientists to deliver robust, industry-relevant solutions Explore … applications Experience building and consuming REST APIs Familiarity with Azure (e.g. Functions, Batch, Blob/Table/Queue Storage, Cosmos DB) Good understanding of software engineering best practices, including automated testing, version control, CI/CD, and object-oriented design A proactive, problem-solving mindset with a focus ...

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance … bonus London based organisation in an easily accessible location Permanent Software Engineer WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced ...

agent capabilities opens up radically new possibilities, and you'll have the freedom to rethink and reshape the pipeline as they emerge. KEY REQUIREMENTS Software engineering skills: Our entire stack uses Python. We're looking for candidates with strong software engineering experience. Ideally, you have experience … guidance from Marius Hobbhahn, though team members lead individual projects. You will mostly work with the evals team as well as our team of software engineers, but you will likely sometimes interact with the governance team to translate technical knowledge into concrete recommendations. You can find our full team ...

Role: Software Engineer (.NET, C#, C++) Salary: £55,000-£65,000 DoE Location: London hybrid - 1-2 times per month The Opportunity: Our client, an established engineering business specialising in water efficiency technology, is looking for an experienced Software Engineer to take ownership of a business-critical … software platform. This is a fantastic opportunity to join a company that designs and delivers innovative water management solutions for large-scale commercial and industrial environments across the UK and Europe. You'll play a key role in the ongoing development, support and enhancement of the company's smart ...

ensure interactions are aligned with intended objectives and outcomes. Support end-to-end automation initiatives, including lease-to-lease process automation. Collaborate with engineering teams to integrate AI capabilities into existing platforms and workflows. Contribute to the ongoing evolution of the organisation's AI roadmap and identify opportunities … where priorities may evolve as initiatives develop. Profile The AI Consultant will have proven experience delivering AI solutions within enterprise environments. Strong background in software engineering, with the ability to work hands-on throughout the development lifecycle. Experience building and deploying AI agents into production environments. Extensive experience ...

Mission Club JURA is Zaizis dedicated club for Defence. We are looking for a heavyweight Head of Engineering to lead our technical mission. You will lead the technical mission, ensuring our solutions are architected with the holistic rigour of systems engineering while providing high-level technical oversight … modern, cloud-native software delivery. Reporting to the Club Exec, you will be the technical linchpin of Club JURA, translating high-level mission objectives into rigorous engineering roadmaps, while providing the data-backed assurance and performance reporting necessary to de-risk our most complex sovereign programmes. Requirements ...

Mission Club JURA is Zaizi’s dedicated club for Defence. We are looking for a heavyweight Head of Engineering to lead our technical mission. You will lead the technical mission, ensuring our solutions are architected with the holistic rigour of systems engineering while providing high‐level technical oversight … modern, cloud‐native software delivery. Reporting to the Club Exec, you will be the technical linchpin of Club JURA, translating high‐level mission objectives into rigorous engineering roadmaps, while providing the data‐backed assurance and performance reporting necessary to de‐risk our most complex sovereign programmes. Key Responsibilities ...

Role You will lead a small development team of approximately four engineers while remaining actively involved in technical design, architecture, code reviews and software delivery. This role would suit someone who is currently working as a: Technical Lead Lead Developer Software Development Team Lead Engineering Team Lead … Solutions and play a key role in shaping the future of a greenfield customer-facing digital platform. Key Responsibilities Leading a small team of software engineers Providing technical leadership and guidance Remaining actively involved in software delivery Reviewing code and supporting engineering quality Working closely with Product ...

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance … bonus London based organisation in an easily accessible location Permanent Software Engineer To apply please call/or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature ...

Technology Recruiter – London (Confidential) Location: London (Hybrid) Type: Permanent Sector: Technology/Software Engineering Experience: 1–5+ years recruitment experience My client is a fast-growing, highly regarded technology recruitment business with a strong reputation in the software engineering market. This is a modern agency with … companies, from startups to scale-ups Quality over volume – no KPI-heavy, churn-and-burn culture Highly consultative, values-led environment The Role Recruit software engineers and tech professionals across a defined market Build long-term relationships with developers and hiring managers Manage the full recruitment lifecycle: sourcing, interviewing ...