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66 API jobs in Brompton, South West London + 20 miles
289 exact matches jobs are outside your preferred location
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At Automata, we're on a mission to transform how scientists work by making automation accessible to every lab in the world. We believe that by giving labs the power to automate, we can unlock discoveries that will shape the future of life sciencesfrom diagnostics and drug discovery to synthetic biology. But were more than just a company disrupting the industrywe're a team of innovators, problem-solvers, and creators passionate about empowering scientists. Our LINQ platform combines hardware and software to streamline workflows, making lab automation fast, flexible, and affordable. This means our customers can focus on groundbreaking research, while we take care of the rest. Why Work at Automata? * Impact: Your work will directly contribute to advancements in science and medicine, supporting labs around the globe as they push boundaries in research and innovation.
At Automata, we're on a mission to transform how scientists work by making automation accessible to every lab in the world. We believe that by giving labs the power to automate, we can unlock discoveries that will shape the future of life sciencesfrom diagnostics and drug discovery to synthetic biology. But were more than just a company disrupting the industrywe're a team of innovators, problem-solvers, and creators passionate about empowering scientists. Our LINQ platform combines hardware and software to streamline workflows, making lab automation fast, flexible, and affordable. This means our customers can focus on groundbreaking research, while we take care of the rest. Why Work at Automata? * Impact: Your work will directly contribute to advancements in science and medicine, supporting labs around the globe as they push boundaries in research and innovation.
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Date Posted: 25/06/2025 - Location: London - Job Type: Full time - London - Hybrid 50% Full Time - 35 hours - Who are Just? We help people achieve a better later life. Thats our purpose and its the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UKs most loved retirement expert. Purpose - As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business expertise.
Date Posted: 25/06/2025 - Location: London - Job Type: Full time - London - Hybrid 50% Full Time - 35 hours - Who are Just? We help people achieve a better later life. Thats our purpose and its the reason we exist. We are a fast-growing FTSE 250 company helping customers enjoy the retirement they deserve. We do this through a variety of market leading, award-winning products and services, delivered by a diverse team of over 1,400 purpose-led colleagues who genuinely put the customer at the heart of everything we do. This is a brilliant time to join our business. We are on an exciting growth journey to become the UKs most loved retirement expert. Purpose - As a Senior Application Support Engineer, you will play a crucial role in powering our Retail applications by partnering with engineering and business teams to build deep technical and business expertise.
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ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
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At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is looking for a passionate Associate Principal Technical Artist to work with our award-winning development team. You will have the opportunity to develop new tools and technologies, improve pipelines, and manage complex workflows for the vast amount of files and assets that make up our games. This is a full-time, permanent and in-office position based in Rockstars state-of-the-art game development studio in London. * Interact closely with our various stage, post, and animation teams, in addition to Tech Art and I
At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is looking for a passionate Associate Principal Technical Artist to work with our award-winning development team. You will have the opportunity to develop new tools and technologies, improve pipelines, and manage complex workflows for the vast amount of files and assets that make up our games. This is a full-time, permanent and in-office position based in Rockstars state-of-the-art game development studio in London. * Interact closely with our various stage, post, and animation teams, in addition to Tech Art and I
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Role: .NET Developer - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months Initially (Highly Likely To Extend) Start Date: Immediate - Overview - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern development tools and approac
Role: .NET Developer - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months Initially (Highly Likely To Extend) Start Date: Immediate - Overview - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern development tools and approac
Security Architecture Secure Design Team - Role: Senior Manager Secure Design (People Leader) Grade: GG14 - Security Architecture Design team is responsible for developing Security Architecture patterns; developing security controls needed for new technology; promoting the use of the architectural patterns into development projects; Leading the Security Architecture Design Forum; Evaluating architectural security risks in existing systems; Consulting with system development teams and architects on building security into their design. This role has responsibility for building and setting the direction of the team, and for the teams output. Reports to: Director - Security Architecture - Key relationships & committees * Security Domain Forum (chair) * CTO / Architecture Governance * Business Aligned Principal Security Architects * CyberSecurity Engineering
Security Architecture Secure Design Team - Role: Senior Manager Secure Design (People Leader) Grade: GG14 - Security Architecture Design team is responsible for developing Security Architecture patterns; developing security controls needed for new technology; promoting the use of the architectural patterns into development projects; Leading the Security Architecture Design Forum; Evaluating architectural security risks in existing systems; Consulting with system development teams and architects on building security into their design. This role has responsibility for building and setting the direction of the team, and for the teams output. Reports to: Director - Security Architecture - Key relationships & committees * Security Domain Forum (chair) * CTO / Architecture Governance * Business Aligned Principal Security Architects * CyberSecurity Engineering
Role Purpose - This is an exciting role in the expanding Security Architecture team at LSEG. The Architecture team reports into the Group CISO. This role is to join the team as a Senior Security Specialist with a view to strengthening and building out our assurance processes as we move from a traditional on-prem operation, into the virtual, software defined and cloud paradigm. Security Architecture Review team is responsible for reviewing the security posture of new systems alongside the Principal Security Architects; Reviewing firewall rule changes in both BAU and strategic initiatives - Successful candidate will be part of Security Architecture Review team to define the roles goals, processes and deliverable, support our strategy to Shift Left and enable the business to achieve its goals in agility and innovation. Role Responsibilities
Role Purpose - This is an exciting role in the expanding Security Architecture team at LSEG. The Architecture team reports into the Group CISO. This role is to join the team as a Senior Security Specialist with a view to strengthening and building out our assurance processes as we move from a traditional on-prem operation, into the virtual, software defined and cloud paradigm. Security Architecture Review team is responsible for reviewing the security posture of new systems alongside the Principal Security Architects; Reviewing firewall rule changes in both BAU and strategic initiatives - Successful candidate will be part of Security Architecture Review team to define the roles goals, processes and deliverable, support our strategy to Shift Left and enable the business to achieve its goals in agility and innovation. Role Responsibilities
LSEG is seeking a Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and driving penetration tests across a wide range of systems and applications. The successful candidate will be a skilled offensive security professional with a passion for uncovering vulnerabilities and improving security posture through thorough testing and teamwork. Key Responsibilities * Conduct in-depth penetration tests on applications, infrastructure, and cloud environments. * Take full ownership of assigned penetration testing engagements end-to-end and deliver with limited oversight. * Compile technical scoping documents, track and document assessment metadata - o Engagement details (who, what, when, where) o Testing team members and roles - o Tools and methodologies used - o Schedule and timelines
LSEG is seeking a Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and driving penetration tests across a wide range of systems and applications. The successful candidate will be a skilled offensive security professional with a passion for uncovering vulnerabilities and improving security posture through thorough testing and teamwork. Key Responsibilities * Conduct in-depth penetration tests on applications, infrastructure, and cloud environments. * Take full ownership of assigned penetration testing engagements end-to-end and deliver with limited oversight. * Compile technical scoping documents, track and document assessment metadata - o Engagement details (who, what, when, where) o Testing team members and roles - o Tools and methodologies used - o Schedule and timelines
Join Us as a Senior Software Development Engineer in Test (SDET)! Overview - We are looking for a Software Development Engineer in Test (SDET) or automation tester who comes from a Java Software Development background. The role is to assist in the development of the new Index platform for the FTSE-Russell Index business of the London Stock Exchange Group (LSEG). The Index Platform team performs the calculation, maintenance and distribution of Index products. You will be working on innovative technologies with a team of engineers to implement solutions which support the strategic growth of the Index business. You will be involved in the development of test tools and solutions as well as new test frameworks, starting from a blank slate in some cases, to help ensure the quality of a greenfield application build.
Join Us as a Senior Software Development Engineer in Test (SDET)! Overview - We are looking for a Software Development Engineer in Test (SDET) or automation tester who comes from a Java Software Development background. The role is to assist in the development of the new Index platform for the FTSE-Russell Index business of the London Stock Exchange Group (LSEG). The Index Platform team performs the calculation, maintenance and distribution of Index products. You will be working on innovative technologies with a team of engineers to implement solutions which support the strategic growth of the Index business. You will be involved in the development of test tools and solutions as well as new test frameworks, starting from a blank slate in some cases, to help ensure the quality of a greenfield application build.
FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes.
FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes.
We are looking for an experienced individual in IT business analysis to take up the role of Senior IT Business Analyst to lead the requirements management process and be involved in the complete product delivery life cycle from conceptualisation to production. The role requires working closely with Product, Engineering and Operations teams to capture, review and build requirements for new product launches and improvements to existing features on the FX Matching Venue. The role presents an opportunity work in a fast-paced high performance environment to deliver value to our customers. Main Responsibilities * Work with product, architecture, engineering, operations teams to produce and sign-off requirements. * Use a multitude of ways to elaborate requirements including diagrams, flowcharts, tables, text to improve the understanding of requirements.
We are looking for an experienced individual in IT business analysis to take up the role of Senior IT Business Analyst to lead the requirements management process and be involved in the complete product delivery life cycle from conceptualisation to production. The role requires working closely with Product, Engineering and Operations teams to capture, review and build requirements for new product launches and improvements to existing features on the FX Matching Venue. The role presents an opportunity work in a fast-paced high performance environment to deliver value to our customers. Main Responsibilities * Work with product, architecture, engineering, operations teams to produce and sign-off requirements. * Use a multitude of ways to elaborate requirements including diagrams, flowcharts, tables, text to improve the understanding of requirements.
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Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach.
Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach.
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Location: Onsite (secure location, UK) Clearance: Developed Vetting (eDV) required - Employment Type: Permanent - Overview - We are seeking an experienced Fullstack Software Engineer with active eDV clearance to join a high-performing engineering team working on critical projects within the UK Defence and National Security sector. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-quality software solutions across both front-end and back-end systems. Key Responsibilities * Design, develop, and maintain fullstack applications with a focus on performance, security, and reliability * Contribute to software architecture and technical decision-making in complex, secure environments * Implement and maintain APIs, databases, and user interfaces * Write clean, maintainable, and testable code following modern engi
Location: Onsite (secure location, UK) Clearance: Developed Vetting (eDV) required - Employment Type: Permanent - Overview - We are seeking an experienced Fullstack Software Engineer with active eDV clearance to join a high-performing engineering team working on critical projects within the UK Defence and National Security sector. The successful candidate will be responsible for designing, developing, and maintaining secure, scalable, and high-quality software solutions across both front-end and back-end systems. Key Responsibilities * Design, develop, and maintain fullstack applications with a focus on performance, security, and reliability * Contribute to software architecture and technical decision-making in complex, secure environments * Implement and maintain APIs, databases, and user interfaces * Write clean, maintainable, and testable code following modern engi
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HM Land Registry (HMLR) are launching a five-year transformation programme that will modernise core services, build new data and analytics capabilities and deliver user-centred digital solutions used across the country. As a Product Manager, you will help shape services of national importance within a supportive, mature product community where your skills will directly impact how citizens and professionals access vital land and property information. Salary £52,978 (£57,528 London pay band) plus 29% pension contribution and other Civil Service benefits. Flexible, hybrid working from 12 HMLR office locations. As a Product Manager at HMLR, you will own and manage the roadmap for a digital product, service or capability working alongside the Lead Product Managers as well as multi-disciplinary teams including architects, engineers, service designers and user researchers.
HM Land Registry (HMLR) are launching a five-year transformation programme that will modernise core services, build new data and analytics capabilities and deliver user-centred digital solutions used across the country. As a Product Manager, you will help shape services of national importance within a supportive, mature product community where your skills will directly impact how citizens and professionals access vital land and property information. Salary £52,978 (£57,528 London pay band) plus 29% pension contribution and other Civil Service benefits. Flexible, hybrid working from 12 HMLR office locations. As a Product Manager at HMLR, you will own and manage the roadmap for a digital product, service or capability working alongside the Lead Product Managers as well as multi-disciplinary teams including architects, engineers, service designers and user researchers.
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Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
Do you bring a breadth of technical expertise across reservation systems, Dynamics CRM, and API design? * Deep technical expertise across API design, integration layers, and data flow management.
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Have practical knowledge of C#, Web API testing, Azure portal.
Have practical knowledge of C#, Web API testing, Azure portal.
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Software Engineer - Full Stack
Software Engineer - Full Stack
Anson Mccade
South East
GBP 70,035.00 per year;GBP 700.00 per week;GBP 70,000.00 per year;GBP
Microsoft Azure: Cosmos DB, API Management, Container Registry, Entra ID (Azure AD), Log Analytics, Machine Learning Studio
Microsoft Azure: Cosmos DB, API Management, Container Registry, Entra ID (Azure AD), Log Analytics, Machine Learning Studio
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Utilise knowledge of AWS services such as Lambda, DynamoDB, S3, SNS, Lex, Bedrock, API Gateway, and Pinpoint to support contact centre solution development.
Utilise knowledge of AWS services such as Lambda, DynamoDB, S3, SNS, Lex, Bedrock, API Gateway, and Pinpoint to support contact centre solution development.
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We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
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Strong understanding of JSON data structures and API calls.
Strong understanding of JSON data structures and API calls.
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
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Experience with relational databases and API design.
Experience with relational databases and API design.
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Understanding of web services (HTTP, Web API, Web protocols)
Understanding of web services (HTTP, Web API, Web protocols)
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Senior Java Engineering Lead - Digital Markets Infrastructure
Senior Java Engineering Lead - Digital Markets Infrastructure
London Stock Exchange
South East
Competitive
Solid understanding of REST API design principles.
Solid understanding of REST API design principles.
Related Jobs
Locations
- Shadwell
- The City, City (EC3)
- Frimley
- Millwall
- Shoreditch
- Charing Cross
- Covent Garden
- Fivensgreen
- Gilwell Park
- Haslemere Industrial Estate
- City of London
- East London
- Central London
- West End
- Reading
- Milton Keynes
- Bedford
- South West London
- Windsor
- North London
- London
- Berkshire
- Surrey
- Bedfordshire
- Buckinghamshire
- Hertfordshire
- Hampshire
- Oxfordshire
- Cambridgeshire
- Kent
- South East
- East Anglia