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9 API jobs in West Sussex + 20 miles
303 exact matches jobs are outside your preferred location
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Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core - Proficiency in at least one major API testing framework - Experience with API testing (REST, Postman)
Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core - Proficiency in at least one major API testing framework - Experience with API testing (REST, Postman)
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The business develops and operates a suite of high-traffic digital products, including web, mobile, and API-driven services used by millions of users globally.
The business develops and operates a suite of high-traffic digital products, including web, mobile, and API-driven services used by millions of users globally.
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Design, build, and maintain scalable, production-grade software across web, API, and data layers * Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred)
Design, build, and maintain scalable, production-grade software across web, API, and data layers * Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred)
FEATURED
Build and maintain test automation frameworks covering UI, API, and service-level validation * Solid API and UI automation experience (e.g. Playwright, Cypress, or similar)
Build and maintain test automation frameworks covering UI, API, and service-level validation * Solid API and UI automation experience (e.g. Playwright, Cypress, or similar)
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Founding Engineer - Fintech infrastructure, geospatial
Founding Engineer - Fintech infrastructure, geospatial
Richard Wheeler Associates
North West London (NW1)
From £125,000 to £160,000 per annum + 20% Bonus, meaningful equity
Third-party API integrations
Third-party API integrations
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API integration and automation
API integration and automation
FEATURED
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Lead Software Engineer
Lead Software Engineer
MARSH CORPORATE SERVICES LIMITED
City of London (EC3)
Pension, Medical, Life Insurance and much more
Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.
Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.
PREMIUM
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API Integration (OData ideally)
API Integration (OData ideally)
NEW
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Responsibilities: Analyze developers products and report on their use of the ML API, recommending optimizations, algorithms, and techniques to improve their applications.
Responsibilities: Analyze developers products and report on their use of the ML API, recommending optimizations, algorithms, and techniques to improve their applications.
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Senior Full-Stack Cloud Native Developer (OTC Team), Charles River Development, Assistant Vice President
Senior Full-Stack Cloud Native Developer (OTC Team), Charles River Development, Assistant Vice President
State Street Corporation
London
Competitive
Contribute to design documentation, API specifications, and customer-facing documentation.
Contribute to design documentation, API specifications, and customer-facing documentation.
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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
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Backend API development, ideally with Express, Nest.js or similar
Backend API development, ideally with Express, Nest.js or similar
NEW
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A good grounding in software engineering principles, including system design, API and integration patterns, and security fundamentals.
A good grounding in software engineering principles, including system design, API and integration patterns, and security fundamentals.
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Solid grounding in web development fundamentals, REST API design, and secure coding practices
Solid grounding in web development fundamentals, REST API design, and secure coding practices
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Principal Technical Lead
Principal Technical Lead
RSSB
The City, City of London (EC3), EC3M 5AD
Competitive salary aligned to public-interest and not-for-profit secto
Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
FEATURED
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We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
PREMIUM
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Position Overview - Job Title ServiceNow Platform Architect - Location London - Corporate Title Director - You will shape and support the ServiceNow platform as a ServiceNow Platform Architect, helping to connect teams, simplify workflows, and deliver meaningful technology outcomes across a global banking environment. Working closely with engineering, operations, and business teams, you will guide platform design, support innovation, and enable scalable, secure solutions. This is a highly visible role where your expertise will help strengthen collaboration, improve platform consistency, and support transformation across enterprise workflow capabilities. You will contribute to a collaborative and inclusive environment where ideas are shared, and solutions are built together to meet both business and regulatory needs. What well offer you
Position Overview - Job Title ServiceNow Platform Architect - Location London - Corporate Title Director - You will shape and support the ServiceNow platform as a ServiceNow Platform Architect, helping to connect teams, simplify workflows, and deliver meaningful technology outcomes across a global banking environment. Working closely with engineering, operations, and business teams, you will guide platform design, support innovation, and enable scalable, secure solutions. This is a highly visible role where your expertise will help strengthen collaboration, improve platform consistency, and support transformation across enterprise workflow capabilities. You will contribute to a collaborative and inclusive environment where ideas are shared, and solutions are built together to meet both business and regulatory needs. What well offer you
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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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. Overview of the Role
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. Overview of the Role
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Strong background in API-based solutions, data platforms, and enterprise integrations.
Strong background in API-based solutions, data platforms, and enterprise integrations.
NEW
Translate complex technical requirements from data scientists and engineers into well-defined epics, user stories, and API contracts
Translate complex technical requirements from data scientists and engineers into well-defined epics, user stories, and API contracts
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Drive product decisions across API access, onboarding models, authentication, entitlements, controls, reporting, and extensibility, ensuring solutions are secure, resilient, and globally reusable.
Drive product decisions across API access, onboarding models, authentication, entitlements, controls, reporting, and extensibility, ensuring solutions are secure, resilient, and globally reusable.
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In this role, you will focus on improving the developer experience for our creators, including translating complex technical concepts into clear, accessible guides, tutorials, and API references to empower our worldwide community of creators and server owners to get the most out of our Creator Platforms. * Drive the maturity of our Developer Experience, including clear and comprehensive developer documentation, getting-started guides, tutorials, how-to articles, and API references for the FiveM and RedM platforms. * Excellent writing and editing skills, with experience producing tutorials, API references, or developer guides.
In this role, you will focus on improving the developer experience for our creators, including translating complex technical concepts into clear, accessible guides, tutorials, and API references to empower our worldwide community of creators and server owners to get the most out of our Creator Platforms. * Drive the maturity of our Developer Experience, including clear and comprehensive developer documentation, getting-started guides, tutorials, how-to articles, and API references for the FiveM and RedM platforms. * Excellent writing and editing skills, with experience producing tutorials, API references, or developer guides.
Forward Deployed Engineer
Forward Deployed Engineer
MARSH CORPORATE SERVICES LIMITED
City of London (EC3R)
Pension, healthcare, life insurance and much more
Own features end-to-end - from data consumption and querying through API logic to client-facing UI, with minimal handoffs and high autonomy.
Own features end-to-end - from data consumption and querying through API logic to client-facing UI, with minimal handoffs and high autonomy.
PREMIUM
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Tooling Ownership: Serve as the technical owner for a broad suite of corporate security systems, managing deployments, configurations, and API integrations for tools across the corporate environment.
Tooling Ownership: Serve as the technical owner for a broad suite of corporate security systems, managing deployments, configurations, and API integrations for tools across the corporate environment.
Related Jobs
Locations
- Shoreditch
- St James
- The City, City (EC3)
- Winnersh
- Boyn Hill
- Moorgate
- The City, City (EC4)
- Abbotts Ann
- Camden
- Chandler's Ford
- City of London
- Central London
- West End
- Reading
- East London
- South West London
- Uxbridge
- Southampton
- Farnborough
- Maidenhead
- London
- Berkshire
- Hampshire
- Surrey
- Hertfordshire
- Buckinghamshire
- East Sussex
- West Sussex
- South East