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Locations
Locations
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- The City, City (EC2)
- Southwark
- The City, City (EC3)
- Duxford
- Lambeth
- Canary Wharf
- Clerkenwell
- Felbridge
- Gilwell Park
- High Brooms
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- South West London
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55 Permanent API jobs in Greenwich (SE10) + 20 miles
170 exact matches jobs are outside your preferred location
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£55,000 - £75,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Role: DevSecOps Engineer - Location: London (Hybrid) Salary: up to £70,000 per annum - About the Role - Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established fra
£55,000 - £75,000 GBP - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Role: DevSecOps Engineer - Location: London (Hybrid) Salary: up to £70,000 per annum - About the Role - Join a dynamic Audit Technology team at a leading professional services firm, where cutting-edge technology meets audit expertise. As a DevSecOps Security Engineer, you'll be instrumental in building and securing next-generation Analytics and AI products that transform how audit professionals work. This is a delivery-focused role where you'll manage the day-to-day operation of platform technical security controls and processes, working closely with cross-functional teams including Product Owners, Cloud Architects, Experience Designers, and Business Analysts. * Develop, document, and maintain platform security processes and plans within established fra
PREMIUM
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Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
Location: Surrey/Hampshire - Hybrid - Salary: £55,000 - £75,000 + DV bonus + excellent benefits - Clearance Required: Must hold eDV level security clearance - Join a mission-led organisation delivering cutting-edge software solutions within the UK National Security, Defence, and Intelligence sectors. We’re recruiting for a Full Stack Software Engineer to work on high-impact, secure technology projects that support national safety and infrastructure. You’ll work across the full development lifecycle, using modern tools and frameworks to build secure, scalable, and innovative systems. Key Responsibilities * Design, develop and deploy secure full stack applications * Write clean, test-driven code (TDD/BDD) * Integrate frontend components with APIs and backend systems * Maintain and enhance core architecture (data ingestion, APIs, storage)
FEATURED
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.
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Full Stack Developer - DV Cleared - Hybrid - Various Locations
Full Stack Developer - DV Cleared - Hybrid - Various Locations
Experis
UK
£60000 - £120000 per annum + Excellent Benefits
Full Stack Developer - Must have an Active DV Clearance - Hybrid - Location: Bristol, London, Manchester or Cambridge - Salary: £70,000 - £120,000 (depending on experience and clearance) We are looking for a Full Stack Developer to join a growing public sector team delivering secure, high-impact digital services across Defence & Security. This is a unique opportunity to use your development expertise to help solve real-world challenges for government and national security clients. You'll work on meaningful projects in an agile environment, applying your skills across the full software development lifecycle - from design through to deployment. You'll be part of a collaborative and supportive engineering team, working alongside technical leads, project managers, and stakeholders to deliver robust and scalable solutions.
Full Stack Developer - Must have an Active DV Clearance - Hybrid - Location: Bristol, London, Manchester or Cambridge - Salary: £70,000 - £120,000 (depending on experience and clearance) We are looking for a Full Stack Developer to join a growing public sector team delivering secure, high-impact digital services across Defence & Security. This is a unique opportunity to use your development expertise to help solve real-world challenges for government and national security clients. You'll work on meaningful projects in an agile environment, applying your skills across the full software development lifecycle - from design through to deployment. You'll be part of a collaborative and supportive engineering team, working alongside technical leads, project managers, and stakeholders to deliver robust and scalable solutions.
PREMIUM
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API Development
API Development
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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.
NEWFEATURED
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
Skilled in integrating third-party services, including API management (e.g., Google Apigee) and Identity Access Management (e.g., Okta).
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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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Have practical knowledge of C#, Web API testing, Azure portal
Have practical knowledge of C#, Web API testing, Azure portal
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Technical Lead
Technical Lead
Zorba Consulting
UK
From £60,000 to £70,000 per annum 28 days hols, health insurance, soci
Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
Join a fast-growing HR software company as a Technical Lead for their Integration team with Client Facing experience, leading/mentoring technical teams and API development & integrations experience (C#, .NET, SQL Server). * 4+ years experience in API development and integrations (REST, SOAP, GraphQL) * Expertise in AWS services (Lambda, API Gateway, S3, DynamoDB, SQS, SNS)
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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).
NEW
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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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.
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FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
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Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science)
Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science)
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Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
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Contribution and implementation of the data vision, designing architecture solutions that are in line with the Architecture rules and principles, long-term business objectives and compliant with data regulations (GDPR, BCBS239) Define, in collaboration with key partners in IT, business lines and functions, of "best-in-class" architecture for data platform, data management, data quality, modelling, storage, etc. Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science) Create and maintain current-and target-state data architectures, define transition path towards the target model Contribute to employees' training efforts on architecture and data topics Evaluate and recommend emerging technologies for data management, storage and analytics
Contribution and implementation of the data vision, designing architecture solutions that are in line with the Architecture rules and principles, long-term business objectives and compliant with data regulations (GDPR, BCBS239) Define, in collaboration with key partners in IT, business lines and functions, of "best-in-class" architecture for data platform, data management, data quality, modelling, storage, etc. Develop conceptual, logical and physical data models to support data analysis and new usages (API, data science) Create and maintain current-and target-state data architectures, define transition path towards the target model Contribute to employees' training efforts on architecture and data topics Evaluate and recommend emerging technologies for data management, storage and analytics
In depth experience with Vue.js, React or other modern JavaScript frameworks, with expertise in GraphQL for API integration and data management
In depth experience with Vue.js, React or other modern JavaScript frameworks, with expertise in GraphQL for API integration and data management
GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development. Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact.
GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating human progress. Our platform unites teams and organizations, breaking down barriers and redefining what's possible in software development. Thanks to products like Duo Enterprise and Duo Agent Platform, customers get AI benefits at every stage of the SDLC. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact.
Remote (UK, Netherlands, Germany) About Us - Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. We are a close-knit, passionate team committed to creating the most realistic motorsport simulations in the world. Our team works remotely, primarily across Europe, and we pride ourselves on technical excellence, collaboration, and innovation. The Role - We are seeking a Senior Console Developer to play a key role in developing the next generation of our technology for modern console platforms (PlayStation, Xbox).
Remote (UK, Netherlands, Germany) About Us - Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. We are a close-knit, passionate team committed to creating the most realistic motorsport simulations in the world. Our team works remotely, primarily across Europe, and we pride ourselves on technical excellence, collaboration, and innovation. The Role - We are seeking a Senior Console Developer to play a key role in developing the next generation of our technology for modern console platforms (PlayStation, Xbox).
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Job summary - The Senior Integration Developer at Northumbria Healthcare NHS Trust plays a vital role in the design, development, implementation and maintenance of secure, standards-compliant interfaces between clinical, operational and third-party systems. Primarily using the Trust's Rhapsody Integration Engine, you'll ensure efficient, reliable data exchange to support patient-centred care delivery. Northumbria is highly digitally focused and committed to investing in our people. We offer generous holiday entitlement, access to additional training and a range of staff perks, including salary-sacrifice vehicle leasing and home-electronics schemes. Main duties of the job * Interface Development & Maintenance: Design, develop, test (unit, integration, regression), and optimise HL7, FHIR, XML and REST/SOAP/MLLP interfaces; implement performance tuning and troubleshootin
Job summary - The Senior Integration Developer at Northumbria Healthcare NHS Trust plays a vital role in the design, development, implementation and maintenance of secure, standards-compliant interfaces between clinical, operational and third-party systems. Primarily using the Trust's Rhapsody Integration Engine, you'll ensure efficient, reliable data exchange to support patient-centred care delivery. Northumbria is highly digitally focused and committed to investing in our people. We offer generous holiday entitlement, access to additional training and a range of staff perks, including salary-sacrifice vehicle leasing and home-electronics schemes. Main duties of the job * Interface Development & Maintenance: Design, develop, test (unit, integration, regression), and optimise HL7, FHIR, XML and REST/SOAP/MLLP interfaces; implement performance tuning and troubleshootin
Related Jobs
Locations
- The City, City (EC2)
- Southwark
- The City, City (EC3)
- Duxford
- Lambeth
- Canary Wharf
- Clerkenwell
- Felbridge
- Gilwell Park
- High Brooms
- City of London
- Central London
- South East London
- West End
- Cambridge
- South West London
- East London
- Milton Keynes
- North West London
- Reading
- London
- Berkshire
- Cambridgeshire
- Surrey
- Buckinghamshire
- West Sussex
- Essex
- Bedfordshire
- Hampshire
- Hertfordshire
- South East
- East Anglia