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Locations
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24 Contract API jobs in City Centre + 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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Implementation Specialist – E-Invoicing
Implementation Specialist – E-Invoicing
Stackstudio Digital Ltd.
Manchester (M1)
From £300 to £350 per day
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
Job Title: Implementation Specialist E-Invoicing - Location: London- 1 day - Job Type: 6 months- Inside IR35 - Role overview - Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
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
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
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.
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.
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.
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Company Description - At Sectigo, we align around our mission and pride ourselves in helping thousands of customers sleep better at night. Sectigo is the most innovative provider of certificate lifecycle management (CLM), delivering comprehensive solutions that secure human and machine identities for the worlds largest brands. Sectigos automated, cloud-native CLM platform issues and manages digital certificates across all certificate authorities (CAs) to simplify and improve security protocols within the enterprise. Sectigo is one of the largest, longest-standing, and most reputable CAs with more than 700,000 customers and two decades of delivering unparalleled digital trust. When people think Online trust management, they think Sectigo because we offer our customers unparalleled peace of mind. How we show up with each other and our customers every day is just as important, ...
Company Description - At Sectigo, we align around our mission and pride ourselves in helping thousands of customers sleep better at night. Sectigo is the most innovative provider of certificate lifecycle management (CLM), delivering comprehensive solutions that secure human and machine identities for the worlds largest brands. Sectigos automated, cloud-native CLM platform issues and manages digital certificates across all certificate authorities (CAs) to simplify and improve security protocols within the enterprise. Sectigo is one of the largest, longest-standing, and most reputable CAs with more than 700,000 customers and two decades of delivering unparalleled digital trust. When people think Online trust management, they think Sectigo because we offer our customers unparalleled peace of mind. How we show up with each other and our customers every day is just as important, ...
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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 ...
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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 ...
Were looking for a Senior Full-Stack Engineer who takes ownership, ships high-quality software, and contributes across the full product lifecycle in a modern, product-led engineering environment. Who We Are - At OrderYOYO , company culture comes first. We create a positive, inclusive environment where people are trusted to do their best work and take ownership of what they build. Personal development is central to how we work engineers are encouraged to grow technically, take responsibility, and help shape how our products and platforms evolve. Passion Action Compassion One Team - We help restaurants succeed online by providing branded websites, mobile apps, and tailored marketing solutions, giving them full control of their business. By removing high commission fees charged by third-party platforms, we empower restaurants to grow sustainably.
Were looking for a Senior Full-Stack Engineer who takes ownership, ships high-quality software, and contributes across the full product lifecycle in a modern, product-led engineering environment. Who We Are - At OrderYOYO , company culture comes first. We create a positive, inclusive environment where people are trusted to do their best work and take ownership of what they build. Personal development is central to how we work engineers are encouraged to grow technically, take responsibility, and help shape how our products and platforms evolve. Passion Action Compassion One Team - We help restaurants succeed online by providing branded websites, mobile apps, and tailored marketing solutions, giving them full control of their business. By removing high commission fees charged by third-party platforms, we empower restaurants to grow sustainably.
Req # 846 Manchester, UK - Job Description Posted Wednesday, 1 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 # 846 Manchester, UK - Job Description Posted Wednesday, 1 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?
Senior Laravel Developer - High-Performance Backend Architect - On-Site Only
Senior Laravel Developer - High-Performance Backend Architect - On-Site Only
DeliveryApp
Manchester, Greater Manchester
Competitive
Expect to tackle complex problems involving high-traffic transaction systems, deep database optimization, and robust API development to power our core operations.
Expect to tackle complex problems involving high-traffic transaction systems, deep database optimization, and robust API development to power our core operations.
REST API design
REST API design
Vice President, Full-Stack Engineer
Vice President, Full-Stack Engineer
The Bank of New York Mellon
Manchester, Greater Manchester
Competitive
Drive modernization initiatives including cloud migration, microservices, event-driven architectures, and API-led platforms.
Drive modernization initiatives including cloud migration, microservices, event-driven architectures, and API-led platforms.
Senior Vice President, Full-Stack Engineer
Senior Vice President, Full-Stack Engineer
The Bank of New York Mellon
Manchester, Greater Manchester
Competitive
Drive modernization initiatives including cloud migration, microservices, event-driven architectures, and API-led platforms.
Drive modernization initiatives including cloud migration, microservices, event-driven architectures, and API-led platforms.
Design, develop, and maintain high-quality Web and API features using languages and frameworks such as C#, .NET, ReactJS, JavaScript, and TypeScript
Design, develop, and maintain high-quality Web and API features using languages and frameworks such as C#, .NET, ReactJS, JavaScript, and TypeScript
Basic understanding of API testing and ability to write automated API tests. * Conduct API testing, ensuring validation of application functionalities.
Basic understanding of API testing and ability to write automated API tests. * Conduct API testing, ensuring validation of application functionalities.
Automation Engineer
Automation Engineer
Interactive Investor Limited
Manchester, Greater Manchester
£40,000 - £48,000 a year
Experience with API testing automation using Postman, Bruno, and REST Assured
Experience with API testing automation using Postman, Bruno, and REST Assured
33 exact matches jobs are outside your preferred location
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Implement complex integrations using Azure services (Logic Apps, Functions, Service Bus, API Management).
Implement complex integrations using Azure services (Logic Apps, Functions, Service Bus, API Management).