1 to 25 of 48 Integration Developer Jobs in London

Senior Integration Developer Location: London (Hybrid - 3 days on-site, 2 remote; flexibility for the right candidate depending on location) Contract Type: Fixed-Term Contract (18 months) Salary: Up to £70,000 About the Role We are looking for a Senior Integration Developer to join a … high-performing team. This role is critical to ensuring seamless system integration across the clients business applications. You'll be stepping into a mature, collaborative team, helping to own and evolve the integration landscape at a pivotal time. What You'll Do Own and optimise the integration stack (primarily SQL Server and Oracle integration's) Design, build, and maintain robust, scalable integration solutions Collaborate with business stakeholders to gather requirements and deliver integration solutions Handle service desk tickets and change requests related to integration Support both project-based and BAU integration More ❯

Hays Software Engineering are looking for a Senior Integration Developer to join a very well-established property investment business in London. What you will be doing: As a Senior Integration Developer, you will be responsible for designing, developing, and maintaining iPaaS solutions. You will oversee the … integration API layer, ensuring seamless communication between various systems using appropriate integration tools. Key Responsibilities Manage all aspects of the integration layer. Evaluate and propose enhancements-both functional and non-functional-to improve existing integration solutions. Develop designs and technical specifications for API development. Ensure adherence … to integration best practices and standards, including security and error handling. Participate in Technical Design meetings, assessing potential risks and communicating findings to relevant stakeholders. What we are looking for: Strong knowledge of integration technologies, including APIs, authentication processes, security, networking, XML, JSON, queues, and JavaScript. Practical experience More ❯

Hays Software Engineering are looking for a Senior Integration Developer to join a very well-established property investment business in London. What you will be doing: As a Senior Integration Developer, you will be responsible for designing, developing, and maintaining iPaaS solutions. You will oversee the … integration API layer, ensuring seamless communication between various systems using appropriate integration tools. Key Responsibilities Manage all aspects of the integration layer. Evaluate and propose enhancements-both functional and non-functional-to improve existing integration solutions. Develop designs and technical specifications for API development. Ensure adherence … to integration best practices and standards, including security and error handling. Participate in Technical Design meetings, assessing potential risks and communicating findings to relevant stakeholders. What we are looking for: Strong knowledge of integration technologies, including APIs, authentication processes, security, networking, XML, JSON, queues, and JavaScript. Practical experience More ❯

Hays Software Engineering are looking for a Senior Integration Developer to join a very well-established property investment business in London. What you will be doing: As a Senior Integration Developer, you will be responsible for designing, developing, and maintaining iPaaS solutions. You will oversee the … integration API layer, ensuring seamless communication between various systems using appropriate integration tools. Key Responsibilities Manage all aspects of the integration layer. Evaluate and propose enhancements-both functional and non-functional-to improve existing integration solutions. Develop designs and technical specifications for API development. Ensure adherence … to integration best practices and standards, including security and error handling. Participate in Technical Design meetings, assessing potential risks and communicating findings to relevant stakeholders. What we are looking for: Strong knowledge of integration technologies, including APIs, authentication processes, security, networking, XML, JSON, queues, and JavaScript. Practical experience More ❯

Senior Cloud Integration Developer, Azure Fixed Term Contract (12 months), London (2 days office/week), Up to £80k/annum + Bonus + Benefits A well-respected international brand is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for … and apps that enhance their data platform, directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ More ❯

Senior Cloud Integration Developer, Azure Fixed Term Contract (12 months), London (2 days office/week), Up to £80k/annum + Bonus + Benefits A well-respected international brand is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for … and apps that enhance their data platform, directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ More ❯

Senior Cloud Integration Developer, Azure Fixed Term Contract (12 months), London (2 days office/week), Up to £80k/annum + Bonus + Benefits A well-respected international brand is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for … and apps that enhance their data platform, directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ More ❯

Senior Cloud Integration Developer, Azure Fixed Term Contract (12 months), London (2 days office/week), Up to £80k/annum + Bonus + Benefits A well-respected international brand is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for … and apps that enhance their data platform, directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ More ❯

Senior Cloud Integration Developer, Azure Fixed Term Contract (12 months), London (2 days office/week), Up to £80k/annum + Bonus + Benefits A well-respected international brand is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for … and apps that enhance their data platform, directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ More ❯

Senior Cloud Integration Developer, Azure Fixed Term Contract (12 months), London (2 days office/week), Up to £80k/annum + Bonus + Benefits A well-respected international brand is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for … and apps that enhance their data platform, directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ More ❯

Position: Integration Developer Location: London, UK (Hybrid) Work Mode: Hybrid Experience: 4-8 years About the Client Our client is a trusted UK-based financial services provider, part of a well-established banking group. They specialise in asset finance and leasing for SMEs, individuals, and educational institutions-driven … by responsible lending and long-term customer relationships. Role Overview We're hiring an Integration Developer to own and enhance platform integrations using MuleSoft and related technologies. You'll drive efficiency, improve data pipelines, and support key operational systems. What You'll Do Build & maintain integrations with MuleSoft More ❯

Digital Marketing, Energy, and Technology. This is a great opportunity for someone to develop their skills in data & technology integration. Reporting to the lead integration developer, the role will also work with the wider Brand team's globally, as well as direct contact with central commercial teams and … senior managers. You will be required to develop and manage integration between key event technology platforms to ensure data seamlessly flows between environments supporting customer journey and experience through the process. Key Responsibilities: Develop and support integration solutions within an agile environment, ensuring they meet business needs and … technical requirements. Design and implement bespoke software solutions for data integration, aligning with project objectives. Create and maintain comprehensive documentation for integration solutions, processes, and data flows. Collaborate closely with stakeholders to gather requirements, understand business needs, and translate them into technical solutions. Assist in setting up Proof More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

Leading Insurance client now requires a skilled Workday Integration Developer for an initial 3-month contract role with a day rate of £550 (Outside IR35). This is a fully remote position offering flexibility and the opportunity to work with a dynamic, forward-thinking team. Key Requirements: Strong … hands-on experience with Workday integration development Proven experience working with Okta for identity and access management Ability to work independently and deliver robust, scalable solutions Excellent communication and problem-solving skills If you're a proactive contractor with a passion for clean, effective integrations and you're available More ❯

JavaScript Developer (Social Media API Integration experience essential) – (Remote UK Only) 3-month Fixed Term Contract £200-£250 per day My client, an ambitious start-up that are leaders in their field, are looking for a JavaScript Developer with extensive social media integration experience. You will More ❯