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1 Permanent API job in Littlehampton + 20 miles
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Senior Web Methods Developer
Senior Web Methods Developer
Infoplus Technologies UK Ltd
Worthing (BN13)
From £70,000 to £80,000 per annum
The ideal candidate will have strong expertise in API Gateway, Integration Server, ESB , Active Transfer (MFT), Universal Messaging), and Adapters along with leadership capabilities to guide a team of developers and ensure high-quality deliverables. Experience in API Gateway development. MFT & API Gateway must have skills.
The ideal candidate will have strong expertise in API Gateway, Integration Server, ESB , Active Transfer (MFT), Universal Messaging), and Adapters along with leadership capabilities to guide a team of developers and ensure high-quality deliverables. Experience in API Gateway development. MFT & API Gateway must have skills.
165 exact matches jobs are outside your preferred location
We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
Python AI Engineer - PropTech - London (onsite)
Python AI Engineer - PropTech - London (onsite)
Transparent Technology
London
£71000 - £130000 per annum + bens + equity
Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + Equity - Build AI-powered systems that automate real-world workflows at scale. This is an opportunity to join a fast-growing AI startup building an AI-driven platform automating up to 80% of property management workflows, transforming how compliance, maintenance, and tenant communication are handled across the UK property sector. As a Lead Python Engineer, you'll design and build scalable backend systems, APIs, and AI-driven applications, working at the intersection of software engineering, automation, and AI integration. You'll play a key role in developing systems that directly impact end users, while helping shape engineering practices and mentoring other developers in a high-growth environment.
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Principal Software Engineer
Principal Software Engineer
Spectrum It Recruitment Limited
Southampton (SO14)
£70000.00 - £75000.00 per annum
Southampton (Onsite) * £75,000 + generous pension & benefits - Are you a Principal Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference. Why this role is exciting - This isn't just another enterprise software role. You'll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security.
Southampton (Onsite) * £75,000 + generous pension & benefits - Are you a Principal Engineer who thrives on solving real-world problems with cutting-edge technology? This is an opportunity to join a talented engineering team building advanced, real-time software systems used in safety-critical environments worldwide. You'll be working at the intersection of enterprise software, IoT, and data-driven decision-making; developing solutions that genuinely make a difference. Why this role is exciting - This isn't just another enterprise software role. You'll be working on a sophisticated platform that connects physical devices (IoT) with real-time data processing, delivering actionable insights through modern web applications. The systems you help build are deployed globally and play a vital role in protecting people, infrastructure, and national security.
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Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
Hands-on experience with Azure ecosystem, specifically in architecting and deploying Azure App Services, Azure SQL Database, Azure Functions, and managing cloud infrastructure including Virtual Networks (VNet), API Management (APIM), and Azure Storage solutions. * Experienced in RESTful API design and integration; experience with SOAP WebServices and XML/XPath.
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Build API and integration layers enabling two-way communication * Define and implement structured data input/output flows, replacing a manual Excel-based trigger with a proper API-driven process
Build API and integration layers enabling two-way communication * Define and implement structured data input/output flows, replacing a manual Excel-based trigger with a proper API-driven process
NEWFEATURED
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Full-Stack Web Software Engineer - React, ASP.NET & C#
Full-Stack Web Software Engineer - React, ASP.NET & C#
Computer Futures
Portsmouth, Hampshire, BBTE
£68000 - £87000 per annum + bonus
Working across the full stack, contributing to both UI and API development
Working across the full stack, contributing to both UI and API development
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Strong technical depth across Adobe Customer Experience Orchestration and Creativity & Productivity solutions, plus broad knowledge of cloud architectures, API integrations, data platforms, and third-party ecosystem technologies
Strong technical depth across Adobe Customer Experience Orchestration and Creativity & Productivity solutions, plus broad knowledge of cloud architectures, API integrations, data platforms, and third-party ecosystem technologies
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Senior Solution Architect (Microsoft) Location: London (Hybrid working available after probation) About the Role - An exciting opportunity has arisen for a Senior Solution Architect (Microsoft) to join a leading Energy Business undergoing significant digital transformation. Reporting to the Architecture Manager and based in London, you will play a key role in shaping and delivering enterprise-wide technology solutions. This position is central to advancing the organisation’s cloud-first strategy, enhancing its Azure, Microsoft 365, and Power Platform estate, and driving the transition towards modern, scalable, and innovative architectures. You will be instrumental in defining both current and future state architectures, enabling business transformation, improving customer experience, and supporting long-term digitalisation goals. Key Responsibilities
Senior Solution Architect (Microsoft) Location: London (Hybrid working available after probation) About the Role - An exciting opportunity has arisen for a Senior Solution Architect (Microsoft) to join a leading Energy Business undergoing significant digital transformation. Reporting to the Architecture Manager and based in London, you will play a key role in shaping and delivering enterprise-wide technology solutions. This position is central to advancing the organisation’s cloud-first strategy, enhancing its Azure, Microsoft 365, and Power Platform estate, and driving the transition towards modern, scalable, and innovative architectures. You will be instrumental in defining both current and future state architectures, enabling business transformation, improving customer experience, and supporting long-term digitalisation goals. Key Responsibilities
PREMIUM
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Get to know OktaOkta is The Worlds Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth. At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - were looking for lifelong learners and people who can make us better with their unique experiences. Join our team! Were building a world where Identity belongs to you. About the Role - We are seeking a Pre-sales Architect to join our team of identity security experts. In this role, you will leverage your technical expertise and business acumen to drive customer success, helping organisations modernise and secure their identity ecosystems.
Get to know OktaOkta is The Worlds Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth. At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - were looking for lifelong learners and people who can make us better with their unique experiences. Join our team! Were building a world where Identity belongs to you. About the Role - We are seeking a Pre-sales Architect to join our team of identity security experts. In this role, you will leverage your technical expertise and business acumen to drive customer success, helping organisations modernise and secure their identity ecosystems.
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Software Engineer (Azure Certified / C# .Net)
Software Engineer (Azure Certified / C# .Net)
Hays
Portsmouth (PO1)
£56000 - £61000 per annum + £56-61k
Depth of knowledge in Azure is crucial, extending to use of Azure Functions, App Services and API Management App services. You should have good experience building / integrating API's and pushing CI/CD pipelines using GIT in an Agile environment and will have a strong command of the entire SDLC.
Depth of knowledge in Azure is crucial, extending to use of Azure Functions, App Services and API Management App services. You should have good experience building / integrating API's and pushing CI/CD pipelines using GIT in an Agile environment and will have a strong command of the entire SDLC.
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Security Testing Practise Lead
Security Testing Practise Lead
Stott & May Professional Search Limited
London
£75000 - £85000 per annum
Strong capability across web, API, cloud, infrastructure, and network testing
Strong capability across web, API, cloud, infrastructure, and network testing
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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).
Exposure to Node.js, API design, frontend integration, or financial services environments is beneficial but not essential.
Exposure to Node.js, API design, frontend integration, or financial services environments is beneficial but not essential.
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To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category - Sales - Job Details - About Salesforce - Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce. Role Description
To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category - Sales - Job Details - About Salesforce - Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce. Role Description
To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category - Sales - Job Details - About Salesforce - Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce. Principal AI + Data Architect, Agentforce and AI Ecosystem
To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category - Sales - Job Details - About Salesforce - Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isnt a buzzword its a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? Youre in the right place! Agentforce is the future of AI, and you are the future of Salesforce. Principal AI + Data Architect, Agentforce and AI Ecosystem
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Solution Architect, Charles River Development, Assistant Vice President
Solution Architect, Charles River Development, Assistant Vice President
State Street Corporation
London
Competitive
Role Overview - We are seeking a Solution Architect to partner closely with Sales, Product, and Delivery teams to design and articulate compelling, end-to-end solutions for prospective and existing clients. This role sits at the intersection of business needs and technical execution, translating client requirements into scalable, secure, and differentiated solutions that drive sales success. The ideal candidate is client-facing, technically credible, commercially aware, and thrives in fast-paced, consultative sales environments. Key Responsibilities - Pre-Sales & Client Engagement * Partner with Sales to support the full sales lifecycle, from discovery through deal close * Lead technical discovery sessions to understand client business goals, workflows, and constraints * Design and present solution architectures, demos, and proof-of-concepts aligned to client needs
Role Overview - We are seeking a Solution Architect to partner closely with Sales, Product, and Delivery teams to design and articulate compelling, end-to-end solutions for prospective and existing clients. This role sits at the intersection of business needs and technical execution, translating client requirements into scalable, secure, and differentiated solutions that drive sales success. The ideal candidate is client-facing, technically credible, commercially aware, and thrives in fast-paced, consultative sales environments. Key Responsibilities - Pre-Sales & Client Engagement * Partner with Sales to support the full sales lifecycle, from discovery through deal close * Lead technical discovery sessions to understand client business goals, workflows, and constraints * Design and present solution architectures, demos, and proof-of-concepts aligned to client needs
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Gauging and sampling shore tanks in accordance with API, IP, company or other procedures.
Gauging and sampling shore tanks in accordance with API, IP, company or other procedures.
PREMIUM
Comfort working with APIs and data in product contexts, including reading API specifications, understanding request/response patterns, authentication, rate limits, and failure modes * Define and document detailed product requirements, including UX flows, API contracts, and data interfaces
Comfort working with APIs and data in product contexts, including reading API specifications, understanding request/response patterns, authentication, rate limits, and failure modes * Define and document detailed product requirements, including UX flows, API contracts, and data interfaces
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The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities, and integrate it into new and innovative solutions. Work with our Portfolio Management team to decompose business requirements from API teams into features to improve customer onboarding and grow our API customer base - Manage and create content for our API platform internal documentation ensuring features and associated documentation are clear and easily consumable by other teams - Huge plus if you have expertise in working with two-sided marketplaces and API based products
The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities, and integrate it into new and innovative solutions. Work with our Portfolio Management team to decompose business requirements from API teams into features to improve customer onboarding and grow our API customer base - Manage and create content for our API platform internal documentation ensuring features and associated documentation are clear and easily consumable by other teams - Huge plus if you have expertise in working with two-sided marketplaces and API based products
This is a hands-on quality engineering role responsible for designing, executing, and maintaining automated and manual tests for backend and API-driven systems in a financial services environment. * Working knowledge of test automation frameworks and tools (e.g., API automation, backend test frameworks, or UI automation where applicable).
This is a hands-on quality engineering role responsible for designing, executing, and maintaining automated and manual tests for backend and API-driven systems in a financial services environment. * Working knowledge of test automation frameworks and tools (e.g., API automation, backend test frameworks, or UI automation where applicable).
Design, develop, and maintain automated test frameworks for digital asset platforms, with a strong focus on API and backend testing
Design, develop, and maintain automated test frameworks for digital asset platforms, with a strong focus on API and backend testing
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).