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43 Permanent API jobs in Covent Garden + 20 miles
141 exact matches jobs are outside your preferred location
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Halian Technology are searching for aLead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
Halian Technology are searching for aLead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
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The LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group. You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our teams mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work. * Deep understanding of cyber security principles, secure software development, and threat modeling * Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks * Experience in building full-stack products (web applications, APIs, CI tooling or low-level software) * Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers
The LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development for thousands of developers across the group. You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our teams mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work. * Deep understanding of cyber security principles, secure software development, and threat modeling * Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks * Experience in building full-stack products (web applications, APIs, CI tooling or low-level software) * Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers
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Senior Backend Developer - Location: London - 1x a month - Salary: Up to £95,000 (D.O.E) + benefits - Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
Senior Backend Developer - Location: London - 1x a month - Salary: Up to £95,000 (D.O.E) + benefits - Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
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Job Description - A competitive salary including annual performance bonus, car/travel allowance of £8000 per annum and private medical healthcare - Permanent, hybrid contract Ashford / London (2-3 times per week.) Reporting to the Technology Strategy Director, the European Pricing Functional Lead will be responsible for the development and delivery of the technology roadmap for the Pricing function. The primary objective of this role is to align Pricing capabilities to agreed Technology products/solutions across Sysco Europe and overseeing the associated Pricing Technology product development lifecycles in both large and small-scale change. The role involves partnering with cross-functional stakeholders in both local and European markets, to ensure functional technology roadmaps are aligned with business objectives/strategy/process and adequately balance technical ...
Job Description - A competitive salary including annual performance bonus, car/travel allowance of £8000 per annum and private medical healthcare - Permanent, hybrid contract Ashford / London (2-3 times per week.) Reporting to the Technology Strategy Director, the European Pricing Functional Lead will be responsible for the development and delivery of the technology roadmap for the Pricing function. The primary objective of this role is to align Pricing capabilities to agreed Technology products/solutions across Sysco Europe and overseeing the associated Pricing Technology product development lifecycles in both large and small-scale change. The role involves partnering with cross-functional stakeholders in both local and European markets, to ensure functional technology roadmaps are aligned with business objectives/strategy/process and adequately balance technical ...
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Deep expertise in SAP Integration Suite, including Cloud Integration and API Management.
Deep expertise in SAP Integration Suite, including Cloud Integration and API Management.
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Expertise in open-source frameworks, API-led design, and secure, scalable architectures.
Expertise in open-source frameworks, API-led design, and secure, scalable architectures.
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Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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Lead the transformation of core digital platforms (API-first, cloud, DevOps, CI/CD)
Lead the transformation of core digital platforms (API-first, cloud, DevOps, CI/CD)
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Experience with API design and development for both internal and external use cases
Experience with API design and development for both internal and external use cases
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Understanding of secure architecture, API design, and performance optimisation.
Understanding of secure architecture, API design, and performance optimisation.
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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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The Vonage Messages API team is looking at expanding its size, in order to accelerate our platform development to support our growing customer base, with a particular focus on adding the support for new channels to our next-generation messaging platform.
The Vonage Messages API team is looking at expanding its size, in order to accelerate our platform development to support our growing customer base, with a particular focus on adding the support for new channels to our next-generation messaging platform.
Own end-to-end API and IDoc integration strategy and execution through go-live.
Own end-to-end API and IDoc integration strategy and execution through go-live.
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
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This position will serve as the bridge between development, operations, and integration teams - ensuring automated deployments, robust monitoring, and efficient API/data exchange processes that support business objectives. * Strong hands-on experience with AWS core services (EC2, ECS/EKS, Lambda, S3, RDS, IAM, API Gateway, CloudFormation/Terraform).
This position will serve as the bridge between development, operations, and integration teams - ensuring automated deployments, robust monitoring, and efficient API/data exchange processes that support business objectives. * Strong hands-on experience with AWS core services (EC2, ECS/EKS, Lambda, S3, RDS, IAM, API Gateway, CloudFormation/Terraform).
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Should have adequate understanding of API's and microservices and should be able to perform testing at API layer. * Good working experience in performance testing and API testing of Energy trading applications for upstream areas. * Should have good working experience in performance testing and API testing of Energy trading applications for upstream areas.
Should have adequate understanding of API's and microservices and should be able to perform testing at API layer. * Good working experience in performance testing and API testing of Energy trading applications for upstream areas. * Should have good working experience in performance testing and API testing of Energy trading applications for upstream areas.
Leverage knowledge of data analysis, API documentation and payment processing manage, coach, and develop a team of hybrid L1 and L2 associates
Leverage knowledge of data analysis, API documentation and payment processing manage, coach, and develop a team of hybrid L1 and L2 associates
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Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Curve is a next-gen insights, analytics and technology consultancy that leverages digital consumer data and advanced technology to help businesses unlock consumer opportunities. Digital consumer data is powerful; its big, its real, and its always updating. We use a combination of in-house technology and bespoke solutions, powered by AI, to transform data from sources such as Social, Reviews, Search, and broader marketing and sales data. These reveal fresh insights for our clients; helping them to build better products and brands, to deliver effective marketing to consumers. 1. Natural Language Processing, GPT & other LLMs - 2. Marketing Data Science & Personalisation - 3. Data Engineering & Data Architecture - 4. As a start-up, we can move faster than most companies and do things differently. We have experienced rapid growth so far and were looking for a Senior Data E
Curve is a next-gen insights, analytics and technology consultancy that leverages digital consumer data and advanced technology to help businesses unlock consumer opportunities. Digital consumer data is powerful; its big, its real, and its always updating. We use a combination of in-house technology and bespoke solutions, powered by AI, to transform data from sources such as Social, Reviews, Search, and broader marketing and sales data. These reveal fresh insights for our clients; helping them to build better products and brands, to deliver effective marketing to consumers. 1. Natural Language Processing, GPT & other LLMs - 2. Marketing Data Science & Personalisation - 3. Data Engineering & Data Architecture - 4. As a start-up, we can move faster than most companies and do things differently. We have experienced rapid growth so far and were looking for a Senior Data E
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Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Marque - Métier - Informatique - Mise jour le 09.10.2025 - Our company purpose is to contribute to a responsible and sustainable economy by financing and advising clients according to the highest ethical standards. * Being a great place to work * Committed to sustainability and having a positive impact * Being dedicated to the development of our people - Business area - Global Markets (GM) IT Risk and P&L development consists of approximately 300 people spread between London, Paris, New York, India and Asia, developing software to support systems for Risk, P&L and Financial Resources data for Global Markets. Within the GM IT Risk and P&L development, the Data Services team are responsibl
Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Marque - Métier - Informatique - Mise jour le 09.10.2025 - Our company purpose is to contribute to a responsible and sustainable economy by financing and advising clients according to the highest ethical standards. * Being a great place to work * Committed to sustainability and having a positive impact * Being dedicated to the development of our people - Business area - Global Markets (GM) IT Risk and P&L development consists of approximately 300 people spread between London, Paris, New York, India and Asia, developing software to support systems for Risk, P&L and Financial Resources data for Global Markets. Within the GM IT Risk and P&L development, the Data Services team are responsibl
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London, UK - Full time - 2025-09-05 - Posted 30+ Days Ago - 314612 - 09 - The Location: London, United Kingdom - S&P Global Ratings is looking for a highly motivated, enthusiastic and skilled senior developer to join Commercial Desktop team within Commercial Engineering, a team of technology professionals who define and execute the strategic roadmap for S&P Global Ratings Commercial team. The successful candidate will participate in the design and development of Commercial Desktop platform to help improve commercial workflows and overall productivity. The Team: Join the Rating Organization's Commercial Desktop Engineering Team, known for its expertise in commercial workflows and various technology stacks. This team values knowledge sharing, collaboration, and a unified strategy to build S&P Ratings' Commercial Desktop platform.
London, UK - Full time - 2025-09-05 - Posted 30+ Days Ago - 314612 - 09 - The Location: London, United Kingdom - S&P Global Ratings is looking for a highly motivated, enthusiastic and skilled senior developer to join Commercial Desktop team within Commercial Engineering, a team of technology professionals who define and execute the strategic roadmap for S&P Global Ratings Commercial team. The successful candidate will participate in the design and development of Commercial Desktop platform to help improve commercial workflows and overall productivity. The Team: Join the Rating Organization's Commercial Desktop Engineering Team, known for its expertise in commercial workflows and various technology stacks. This team values knowledge sharing, collaboration, and a unified strategy to build S&P Ratings' Commercial Desktop platform.
Familiarity with API testing and integration diagnostics
Familiarity with API testing and integration diagnostics
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Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
Experience consuming RESTful API services * Experience writing RESTful API services, either in Javascript or TypeScript
Related Jobs
Locations
- The City, City (EC3)
- The City, City (EC4)
- Canary Wharf
- Euston
- Holloway
- Milton
- Pimlico
- Shoreditch
- Thames View Industrial Park
- The City, City (EC2)
- City of London
- Reading
- Cambridge
- Central London
- West End
- East London
- South West London
- West London
- Windsor
- Abingdon
- London
- Berkshire
- Cambridgeshire
- Surrey
- Hampshire
- Oxfordshire
- Buckinghamshire
- Essex
- West Sussex
- South East
- East Anglia