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1 Permanent API job in Littlehampton + 20 miles
133 exact matches jobs are outside your preferred location
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The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments.
The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments.
PREMIUM
This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. * Implement robust automated testing practices across the stack (unit, integration, and UI/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. * Working knowledge of digital asset concepts (tokenization / custody) sufficient to translate workflows into UI and API behaviour. * Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such as Kafka/MQ, API gateways, and event-driven architectures).
This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. * Implement robust automated testing practices across the stack (unit, integration, and UI/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. * Working knowledge of digital asset concepts (tokenization / custody) sufficient to translate workflows into UI and API behaviour. * Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such as Kafka/MQ, API gateways, and event-driven architectures).
The role focuses on delivering intuitive, secure, and performant user interfaces that consume API-driven backend services.
The role focuses on delivering intuitive, secure, and performant user interfaces that consume API-driven backend services.
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API & System Integration: REST, gRPC, Kafka - enterprise integration patterns
API & System Integration: REST, gRPC, Kafka - enterprise integration patterns
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Experienced in API programming.
Experienced in API programming.
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Application, Infrastructure and Service Management, Senior Associate
Application, Infrastructure and Service Management, Senior Associate
State Street Corporation
London
Competitive
API-based integrations (REST / JSON, event-driven APIs)
API-based integrations (REST / JSON, event-driven APIs)
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You will be working in a large team of engineers, product people, designers, and QA to build the Backend for Frontend API layer consumed by American Express travel mobile app.
You will be working in a large team of engineers, product people, designers, and QA to build the Backend for Frontend API layer consumed by American Express travel mobile app.
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You will collaborate closely with internal engineering and product teams to troubleshoot API-related issues and guide customers through technical integration processes. * Assist in the creation and maintenance of client-facing documentation, FAQs, and knowledge base content related to API usage and integration best practices. * Provide feedback to product and engineering teams to enhance API usability and integration experiences. * Familiarity with tools like Postman, Swagger, or similar platforms for testing and validating API requests and responses.
You will collaborate closely with internal engineering and product teams to troubleshoot API-related issues and guide customers through technical integration processes. * Assist in the creation and maintenance of client-facing documentation, FAQs, and knowledge base content related to API usage and integration best practices. * Provide feedback to product and engineering teams to enhance API usability and integration experiences. * Familiarity with tools like Postman, Swagger, or similar platforms for testing and validating API requests and responses.
API-based integrations (REST / JSON, event-driven APIs)
API-based integrations (REST / JSON, event-driven APIs)
Knowledge of API, state store and integration workflows
Knowledge of API, state store and integration workflows
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Contribute to onboarding activities including client onboarding, FIX certifications, and API documentation.
Contribute to onboarding activities including client onboarding, FIX certifications, and API documentation.
Product Management - Private markets, Charles River Development, Assistant Vice President
Product Management - Private markets, Charles River Development, Assistant Vice President
State Street Corporation
London
Competitive
Define and deliver the roadmap for horizontal platform capabilities serving all private markets asset classes including core data services, cross-fund analytics, workflow automation, and API infrastructure. * Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. * Experience with API-first product design and developer experience (DX) programs.
Define and deliver the roadmap for horizontal platform capabilities serving all private markets asset classes including core data services, cross-fund analytics, workflow automation, and API infrastructure. * Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. * Experience with API-first product design and developer experience (DX) programs.
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Expert-level knowledge of data architecture, integration patterns (API, event-driven), and security best practices within a multi-cloud or hybrid environment.
Expert-level knowledge of data architecture, integration patterns (API, event-driven), and security best practices within a multi-cloud or hybrid environment.
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Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * Experience designing, building, and deploying scalable microservices using API first principles with REST and/or gRPC. * Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT).
Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * Experience designing, building, and deploying scalable microservices using API first principles with REST and/or gRPC. * Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT).
Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT).
Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. * Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT).
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Web Services and API knowledge and understanding of conceptual use.
Web Services and API knowledge and understanding of conceptual use.
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AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
AWS for underlying infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
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Support secure architecture and design reviews, particularly for cloud-native and API-driven systems.
Support secure architecture and design reviews, particularly for cloud-native and API-driven systems.
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Software Engineer C# .Net Azure SaaS
Software Engineer C# .Net Azure SaaS
Client Server
Richmond (TW9), TW9
£50000 - £65000 per annum + benefits
Software Engineer / Developer (C# .Net Azure) Richmond / WFH to £65k - Are you a Microsoft technologist looking for a role where you can make an impact and progress your career? You could be joining a well funded tech start-up, with recent £35 million investment, as they scale. As a Software Engineer you'll collaborate with the Lead Engineer to develop scalable and secure architectures within the core product, a software application for MSPs that enables them to manage and monitor Microsoft 365 security across multiple tenants and update security policy within seconds. You'll focus on back end development using modern C# .Net within an Azure Serverless Architecture. You'll be supported and encouraged to contribute to technical discussions and decision making, progressing your career in line with company growth in a role you can shape and influence.
Software Engineer / Developer (C# .Net Azure) Richmond / WFH to £65k - Are you a Microsoft technologist looking for a role where you can make an impact and progress your career? You could be joining a well funded tech start-up, with recent £35 million investment, as they scale. As a Software Engineer you'll collaborate with the Lead Engineer to develop scalable and secure architectures within the core product, a software application for MSPs that enables them to manage and monitor Microsoft 365 security across multiple tenants and update security policy within seconds. You'll focus on back end development using modern C# .Net within an Azure Serverless Architecture. You'll be supported and encouraged to contribute to technical discussions and decision making, progressing your career in line with company growth in a role you can shape and influence.
PREMIUM
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Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
Were seeking a talented Full Stack Engineer to help build and scale innovative web applications. If you enjoy working across the full stack and delivering high-performance solutions, this is your opportunity to make a real impact. Location: Reading (2 days a week) * Modern, responsive web applications using React & TypeScript. * Sleek UIs with Tailwind CSS and cutting-edge frontend architecture. * Backend services with Ruby on Rails (essential) or Node.js, integrated via RESTful APIs. * Robust data solutions with PostgreSQL or similar databases. * Scalable deployment pipelines on cloud platforms with full CI/CD workflows. * Automated testing across frontend and backend to ensure reliability and performance. * Optimized client-side performance for smooth user experiences. * Strong commercial experience with React & TypeScript. * Deep expertise in Ruby on Rails (essential).
About this role - The Cash Management Group manages a suite of products that includes Prime and Government Money Market and Ultra-Short Duration Mutual funds and Separate Accounts. BlackRocks cash management style is designed to meet each clients objectives of capital preservation, liquidity and yield in that order. This philosophy is built on a risk-controlled framework, featuring careful analysis of credit, interest rate trends, and relative value opportunities which ultimately produce investment returns on a risk adjusted basis. Our disciplined approach to investing originated in 1973 when we pioneered the first constant-dollar money market fund dedicated to institutional investors. Cash Tech Client Product Strategy (Cash Tech Product) is part of Global Cash Management. The team is responsible for setting the strategic roadmap for the Cash Management business distribution ...
About this role - The Cash Management Group manages a suite of products that includes Prime and Government Money Market and Ultra-Short Duration Mutual funds and Separate Accounts. BlackRocks cash management style is designed to meet each clients objectives of capital preservation, liquidity and yield in that order. This philosophy is built on a risk-controlled framework, featuring careful analysis of credit, interest rate trends, and relative value opportunities which ultimately produce investment returns on a risk adjusted basis. Our disciplined approach to investing originated in 1973 when we pioneered the first constant-dollar money market fund dedicated to institutional investors. Cash Tech Client Product Strategy (Cash Tech Product) is part of Global Cash Management. The team is responsible for setting the strategic roadmap for the Cash Management business distribution ...
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Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time / Permanent - Experience: 5-7 years - We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London. In this role, you will be responsible for designing and scaling robust Microservices using the Spring Boot ecosystem. The Role - You will take full ownership of the software development lifecycle, from initial concept to deployment. You'll be tasked with building efficient, maintainable backend solutions while collaborating with cross-functional teams to deliver high-performance features. Key Responsibilities * Develop & Maintain: Build robust applications using Java and Kotlin within a Spring Boot environment. * Architect: Design and implement scalable Microservices architectures.
Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time / Permanent - Experience: 5-7 years - We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London. In this role, you will be responsible for designing and scaling robust Microservices using the Spring Boot ecosystem. The Role - You will take full ownership of the software development lifecycle, from initial concept to deployment. You'll be tasked with building efficient, maintainable backend solutions while collaborating with cross-functional teams to deliver high-performance features. Key Responsibilities * Develop & Maintain: Build robust applications using Java and Kotlin within a Spring Boot environment. * Architect: Design and implement scalable Microservices architectures.
FEATURED
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FixMyCar is currently working hard to grow the digitalisation of the UK aftermarket in the Automotive sector, by driving growth for Garages through smarter tools to increase efficiency and meet evolving consumer behaviour. With an exciting mission ahead, we are looking for a proactive Mid-Level NodeJS Engineer to build and evolve scalable backend services using Node.js and TypeScript, working closely across our small team to implement features that truly make an impact to our platform and product. The ideal candidate will love problem-solving, learning new tech, and ensuring high code quality standards at all times. In this hands-on role, they will flourish in an Agile environment and enjoy continuously improving how systems are built, deployed, and scaled. They are a key role in how FixMyCars software applications are developed and maintained. Key Responsibilities
FixMyCar is currently working hard to grow the digitalisation of the UK aftermarket in the Automotive sector, by driving growth for Garages through smarter tools to increase efficiency and meet evolving consumer behaviour. With an exciting mission ahead, we are looking for a proactive Mid-Level NodeJS Engineer to build and evolve scalable backend services using Node.js and TypeScript, working closely across our small team to implement features that truly make an impact to our platform and product. The ideal candidate will love problem-solving, learning new tech, and ensuring high code quality standards at all times. In this hands-on role, they will flourish in an Agile environment and enjoy continuously improving how systems are built, deployed, and scaled. They are a key role in how FixMyCars software applications are developed and maintained. Key Responsibilities
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Our client, a leader in the technology sector, is currently seeking a Senior SAP UI5/ABAP Developer to join their team on a permanent basis. This role provides an exciting opportunity to work with cutting-edge SAP technologies in a dynamic and agile environment. * Develop and enhance SAP applications using SAP ABAP OO and traditional SAP ABAP * Implement change management processes including transports and source code control with abapGit * Utilise ABAP OOP for user exits and enhancements * Perform dialog programming and report writing with ALV and ABAP lists * Implement complex integrations via OData services and REST APIs * Contribute to SAP UI5 development including controls, data binding, ODataModel, and JSONModel * Develop unit tests using ABAP Unit ensuring high-quality software delivery * Participate actively in Agile practices and ceremonies
Our client, a leader in the technology sector, is currently seeking a Senior SAP UI5/ABAP Developer to join their team on a permanent basis. This role provides an exciting opportunity to work with cutting-edge SAP technologies in a dynamic and agile environment. * Develop and enhance SAP applications using SAP ABAP OO and traditional SAP ABAP * Implement change management processes including transports and source code control with abapGit * Utilise ABAP OOP for user exits and enhancements * Perform dialog programming and report writing with ALV and ABAP lists * Implement complex integrations via OData services and REST APIs * Contribute to SAP UI5 development including controls, data binding, ODataModel, and JSONModel * Develop unit tests using ABAP Unit ensuring high-quality software delivery * Participate actively in Agile practices and ceremonies
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Goldman Sachs is seeking a highly skilled Senior Software Engineer to join our team. The ideal candidate will have extensive experience in designing, developing and implementing complex software applications, and a strong background in computer science, mathematics, or a related field. The successful candidate will collaborate with cross-functional teams to develop innovative solutions to meet business needs, and will be responsible for building and maintaining highly reliable and scalable systems. Design, develop and maintain complex software systems and applications - Collaborate with cross-functional teams to gather requirements and define technical solutions - Implement and maintain best practices for software development and engineering processes - Develop and maintain software documentation, including design specifications, user guides and manuals Ensure the reliability, ...
Goldman Sachs is seeking a highly skilled Senior Software Engineer to join our team. The ideal candidate will have extensive experience in designing, developing and implementing complex software applications, and a strong background in computer science, mathematics, or a related field. The successful candidate will collaborate with cross-functional teams to develop innovative solutions to meet business needs, and will be responsible for building and maintaining highly reliable and scalable systems. Design, develop and maintain complex software systems and applications - Collaborate with cross-functional teams to gather requirements and define technical solutions - Implement and maintain best practices for software development and engineering processes - Develop and maintain software documentation, including design specifications, user guides and manuals Ensure the reliability, ...
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