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41 Contract API jobs in Greater Manchester + 20 miles
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Contract Java Software Engineer Outside IR35 Fully Remote
Contract Java Software Engineer Outside IR35 Fully Remote
Interact Consulting Limited
Manchester (M16)
500-550pd
The focus will be on Java-based microservices, API integrations, and Azure cloud infrastructure, ensuring a robust and scalable system that supports critical healthcare operations. * Proven background in API and platform integration
The focus will be on Java-based microservices, API integrations, and Azure cloud infrastructure, ensuring a robust and scalable system that supports critical healthcare operations. * Proven background in API and platform integration
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API development (internal and external)
API development (internal and external)
PREMIUM
Senior Automation Tester - Flutter, Agentic AI & API Systems
Senior Automation Tester - Flutter, Agentic AI & API Systems
DeliveryApp
Manchester, Greater Manchester
Competitive
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
Expect to tackle complex challenges involving deep API validation, mobile performance strategy, and seamless CI/CD integration to protect our core mobile and backend ecosystem. The Role This role is the quality guardian of our mobile and API ecosystem. * API Testing: Postman / Newman * API Mastery: Deep API validation and contract testing.
Full-Stack Engineer Opportunities
Full-Stack Engineer Opportunities
The Bank of New York Mellon
Manchester, Greater Manchester
Competitive
Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design.
Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design.
Senior Associate, AI/ML Engineer - AI Hub
Senior Associate, AI/ML Engineer - AI Hub
The Bank of New York Mellon
Manchester, Greater Manchester
Competitive
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, 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. Were seeking a future team member for the role of Senior Associate, AI/ML Engineer AI Hub to join our AI Hub team. This role is located in Manchester.
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, 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. Were seeking a future team member for the role of Senior Associate, AI/ML Engineer AI Hub to join our AI Hub team. This role is located in Manchester.
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
We are not looking for someone to build simple API wrappers. * API Design: REST and GraphQL
APIs RESTful API development and consumption
APIs RESTful API development and consumption
Strong database and API development experience
Strong database and API development experience
Are technical proficient in API integration using JavaScript, TypeScript, or Python
Are technical proficient in API integration using JavaScript, TypeScript, or Python
Design, develop, test, deploy, and maintain enterprise grade integration solutions using Boomi AtomSphere and Azure Integration Services (including Azure API Management).
Design, develop, test, deploy, and maintain enterprise grade integration solutions using Boomi AtomSphere and Azure Integration Services (including Azure API Management).
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Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway)
Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway)
Proven expertise designing and implementing automated testing frameworks across functional, API, integration and regression testing.
Proven expertise designing and implementing automated testing frameworks across functional, API, integration and regression testing.
Hybrid Working Manchester based (1 day/week in office) * 12 Months FTC - The Company - At Amber Labs, we are a cutting-edge UK technology consultancy that empowers autonomy, promotes experimentation, and enables rapid learning to deliver exceptional value to our clients. Collaboration is at the heart of everything we do, with our cross-functional consultants, engineers, and analysts working together to shorten delivery times, minimise risk, and drive impactful results for high-profile government and commercial programmes. About the Role - We are seeking an experienced Lead Software Developer to support a major UK public sector body, leading the design and development of scalable, secure, and efficient backend services. You will champion engineering excellence, guide technical decision-making, and mentor a multidisciplinary team while ensuring solutions align with government ...
Hybrid Working Manchester based (1 day/week in office) * 12 Months FTC - The Company - At Amber Labs, we are a cutting-edge UK technology consultancy that empowers autonomy, promotes experimentation, and enables rapid learning to deliver exceptional value to our clients. Collaboration is at the heart of everything we do, with our cross-functional consultants, engineers, and analysts working together to shorten delivery times, minimise risk, and drive impactful results for high-profile government and commercial programmes. About the Role - We are seeking an experienced Lead Software Developer to support a major UK public sector body, leading the design and development of scalable, secure, and efficient backend services. You will champion engineering excellence, guide technical decision-making, and mentor a multidisciplinary team while ensuring solutions align with government ...
Additionally, you will spend 25% of your time acting as the technical face of Zippd, helping our retail partners seamlessly integrate their systems into our API ecosystem. * Create high-quality sequence diagrams, Entity-Relationship Diagrams (ERDs), and API data flow charts. * Troubleshoot initial integration issues, test API payloads, and ensure a smooth technical handover before they go into live production. * API Knowledge: Deep understanding of REST APIs, JSON payloads, webhooks, and HTTP status codes. You must be comfortable reading API documentation and explaining it to a client's external dev team. You have the soft skills to jump on a Zoom call with a major retailer's tech team and confidently guide them through our API endpoints.
Additionally, you will spend 25% of your time acting as the technical face of Zippd, helping our retail partners seamlessly integrate their systems into our API ecosystem. * Create high-quality sequence diagrams, Entity-Relationship Diagrams (ERDs), and API data flow charts. * Troubleshoot initial integration issues, test API payloads, and ensure a smooth technical handover before they go into live production. * API Knowledge: Deep understanding of REST APIs, JSON payloads, webhooks, and HTTP status codes. You must be comfortable reading API documentation and explaining it to a client's external dev team. You have the soft skills to jump on a Zoom call with a major retailer's tech team and confidently guide them through our API endpoints.
Software Engineer (.net / Angular)
Software Engineer (.net / Angular)
Vix Technology Ltd
Manchester, Greater Manchester
£35,000 - £50,000 a year
Experienced in use of AWS services such as API Gateway, SNS, SQS, ECS, S3.
Experienced in use of AWS services such as API Gateway, SNS, SQS, ECS, S3.
You will also advance the core rendering technology that aspires to achieve photo-real visuals, such as physically based light, eye and lens simulations, as well as more low-level engine technologies such as shader building & compilation, content streaming systems, and the multi-threaded and cross-API renderer architecture.
You will also advance the core rendering technology that aspires to achieve photo-real visuals, such as physically based light, eye and lens simulations, as well as more low-level engine technologies such as shader building & compilation, content streaming systems, and the multi-threaded and cross-API renderer architecture.
API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
Design and implement role-based and attribute-based access control models that span multiple enforcement points: ASP.NET ( framework-level roles, SQL Server database roles, application middleware, and API gateways.
Design and implement role-based and attribute-based access control models that span multiple enforcement points: ASP.NET ( framework-level roles, SQL Server database roles, application middleware, and API gateways.
You'll define the security architecture that product and AI teams build on top of, embedding secure defaults into every layer from tenant provisioning to model serving to API response handling. * Architect API security controls input validation frameworks, output encoding, rate limiting, request signing, and abuse prevention as platform-level primitives, not per-team afterthoughts. * Shape the platform's API strategy versioning, deprecation policies, developer-facing auth (API keys, OAuth client credentials), and webhook signature verification. * Design audit logging and tamper-evident trails at the application layer who accessed what data, when, through which API, with what authorization context including AI model decisions and their inputs. * Experience with runtime protection tooling: RASP, WAF tuning, or API security gateways (Salt Security, 42Crunch, or similar).
You'll define the security architecture that product and AI teams build on top of, embedding secure defaults into every layer from tenant provisioning to model serving to API response handling. * Architect API security controls input validation frameworks, output encoding, rate limiting, request signing, and abuse prevention as platform-level primitives, not per-team afterthoughts. * Shape the platform's API strategy versioning, deprecation policies, developer-facing auth (API keys, OAuth client credentials), and webhook signature verification. * Design audit logging and tamper-evident trails at the application layer who accessed what data, when, through which API, with what authorization context including AI model decisions and their inputs. * Experience with runtime protection tooling: RASP, WAF tuning, or API security gateways (Salt Security, 42Crunch, or similar).
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General Information Locations : Manchester, Cheshire, United Kingdom - Role ID 210658 Worker Type Regular Employee Studio/Department EA Mobile - Playdemic Work Model Hybrid Description & Requirements Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen. Just 13 miles south of Manchester and a 15-minute train journey, is the attractive market town of Wilmslow. Here, among the boutique shops, independent cafes, and bars, is the stunning Playdemic studio. Acquired by EA in 2021, Playdemic is home to the top 10-grossing, BAFTA-winning mobile smash, Golf Clash.
General Information Locations : Manchester, Cheshire, United Kingdom - Role ID 210658 Worker Type Regular Employee Studio/Department EA Mobile - Playdemic Work Model Hybrid Description & Requirements Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen. Just 13 miles south of Manchester and a 15-minute train journey, is the attractive market town of Wilmslow. Here, among the boutique shops, independent cafes, and bars, is the stunning Playdemic studio. Acquired by EA in 2021, Playdemic is home to the top 10-grossing, BAFTA-winning mobile smash, Golf Clash.
Req # 773 Manchester, UK - Job Description Posted Tuesday, 17 February 2026, 19:00 - A bit about us - At Gamma, were more than just a leader in Unified Communications as a Service (UCaaS). Were a fast-moving technology organisation delivering innovative voice, data, and mobile solutions across Europe. Our product and service portfolio is at the heart of what we do powering reliable, scalable communications for thousands of businesses. Behind the scenes, our engineering teams design, build, and maintain the software systems that generate real business impact. We combine the agility of a start-up mindset with the stability of a leading European business. Collaboration, ownership, and continuous improvement define how we work and were always looking for people who want to build meaningful technology at scale. Who are we looking for?
Req # 773 Manchester, UK - Job Description Posted Tuesday, 17 February 2026, 19:00 - A bit about us - At Gamma, were more than just a leader in Unified Communications as a Service (UCaaS). Were a fast-moving technology organisation delivering innovative voice, data, and mobile solutions across Europe. Our product and service portfolio is at the heart of what we do powering reliable, scalable communications for thousands of businesses. Behind the scenes, our engineering teams design, build, and maintain the software systems that generate real business impact. We combine the agility of a start-up mindset with the stability of a leading European business. Collaboration, ownership, and continuous improvement define how we work and were always looking for people who want to build meaningful technology at scale. Who are we looking for?
Join us at a pivotal moment in our tech and product transformation, where innovation, simplification, and impact drive everything we do. As part of our Property Experience team, youll help shape how guests discover, trust, and engage with property content across our platforms. Your mission - As our new Associate Software Engineer, your mission is to support the development of intuitive, high-quality user experiences and the services that power them. Youll contribute to building and evolving systems that manage property content and customer reviews, helping ensure our platforms are engaging, reliable, and scalable for guests, property owners, and internal teams. What you'll be doing * Build and deliver front-end solutions that power property content and review experiences across our platforms * Contribute to the development of supporting APIs and services, with opportunities ...
Join us at a pivotal moment in our tech and product transformation, where innovation, simplification, and impact drive everything we do. As part of our Property Experience team, youll help shape how guests discover, trust, and engage with property content across our platforms. Your mission - As our new Associate Software Engineer, your mission is to support the development of intuitive, high-quality user experiences and the services that power them. Youll contribute to building and evolving systems that manage property content and customer reviews, helping ensure our platforms are engaging, reliable, and scalable for guests, property owners, and internal teams. What you'll be doing * Build and deliver front-end solutions that power property content and review experiences across our platforms * Contribute to the development of supporting APIs and services, with opportunities ...
Senior Software Engineer - Data Pipelines
Senior Software Engineer - Data Pipelines
Obsidian Security Limited
Manchester, Greater Manchester
Competitive
Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happensplatforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we've built a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Our team includes leaders who helped define the categories of endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, we're transforming how SaaS is securedin the era of agentic AI. Today, Obsidian is trusted by global enterprises like Snowflake, T-Mobile, and Pure Storage. We protect more than 200 organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealandincluding many of the world's largest Fortune 1000 ...
Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happensplatforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we've built a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. Our team includes leaders who helped define the categories of endpoint and identity security at CrowdStrike, Okta, Cylance, and Carbon Black. Now, we're transforming how SaaS is securedin the era of agentic AI. Today, Obsidian is trusted by global enterprises like Snowflake, T-Mobile, and Pure Storage. We protect more than 200 organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealandincluding many of the world's largest Fortune 1000 ...
Req #813 Manchester, UK - Job Description Posted Thursday, 16 April 2026, 19:00 - A bit about us - At Gamma, were more than just a leader in Unified Communications as a Service (UCaaS). Were a fast-moving technology organisation delivering innovative voice, data, and mobile solutions across Europe. Our product and service portfolio is at the heart of what we do powering reliable, scalable communications for thousands of businesses. Behind the scenes, our engineering teams design, build, and maintain the software systems that generate real business impact. We combine the agility of a start-up mindset with the stability of a leading European business. Collaboration, ownership, and continuous improvement define how we work and were always looking for people who want to build meaningful technology at scale. Who are we looking for?
Req #813 Manchester, UK - Job Description Posted Thursday, 16 April 2026, 19:00 - A bit about us - At Gamma, were more than just a leader in Unified Communications as a Service (UCaaS). Were a fast-moving technology organisation delivering innovative voice, data, and mobile solutions across Europe. Our product and service portfolio is at the heart of what we do powering reliable, scalable communications for thousands of businesses. Behind the scenes, our engineering teams design, build, and maintain the software systems that generate real business impact. We combine the agility of a start-up mindset with the stability of a leading European business. Collaboration, ownership, and continuous improvement define how we work and were always looking for people who want to build meaningful technology at scale. Who are we looking for?
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About The Role - FDM is a global business and technology consultancy seeking a Microsoft AI CoPilot Developer to work for our client within the public sector. This is initially a 3-month contract with very good prospects to extend and will be a remote role. We are seeking a highly skilled Copilot Agent Developer to design, build, deploy, and optimize AI-powered agents using Microsoft Copilot Studio and the broader M365 Copilot ecosystem. This role blends technical expertise, product thinking, and business problem-solving to deliver intelligent automations and conversational experiences that improve efficiency and create delightful user outcomes. The ideal candidate is passionate about AI, has strong experience building automated workflows or conversational interfaces, and can translate business needs into scalable agent solutions.
About The Role - FDM is a global business and technology consultancy seeking a Microsoft AI CoPilot Developer to work for our client within the public sector. This is initially a 3-month contract with very good prospects to extend and will be a remote role. We are seeking a highly skilled Copilot Agent Developer to design, build, deploy, and optimize AI-powered agents using Microsoft Copilot Studio and the broader M365 Copilot ecosystem. This role blends technical expertise, product thinking, and business problem-solving to deliver intelligent automations and conversational experiences that improve efficiency and create delightful user outcomes. The ideal candidate is passionate about AI, has strong experience building automated workflows or conversational interfaces, and can translate business needs into scalable agent solutions.