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87 integration developer jobs found

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integration developer
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Outside Spy
Jun 19, 2026
Duration not stated
Integration Developer (Backend + DevOps) at Sanderson Recruitment, Multiple Locations, £Contract Rate
Outside Spy United Kingdom
Integration Developer (Backend + DevOps Focus) Location: Fully Remote Pay: £550-£600 per day (Outside IR35) Duration: Initial 6-month contract (with strong extension potential) The Role We're supporting a leading UK financial services organisation on a new platform build and they're looking for an Integration Developer with a strong DevOps background. This is a developer-first role with a significant DevOps leaning, ideal for someone who enjoys building backend services ( TypeScript / Node.js on AWS) while owning how code is deployed, automated and operated at scale. You'll play a key role in designing and building deployment pipelines (Harness) while contributing to backend engineering and platform integration work . Key Responsibilities Deliver infrastructure using Infrastructure as Code (Terraform) Develop high-quality backend code in line with engineering standards Build and optimise CI/CD pipelines (Harness focus) Implement robust DevOps...
Outside Spy
Jun 19, 2026
6 Months or more
Integration Developer (Backend + DevOps) at Sanderson Recruitment Plc, London, 6 Months, £550-£600 per day
£550 - £600 per day
Outside Spy London, UK
Integration Developer (Backend + DevOps Focus) Location: Fully Remote Pay: £550-£600 per day (Outside IR35) Duration: Initial 6-month contract (with strong extension potential) The Role We're supporting a leading UK financial services organisation on a new platform build and they're looking for an Integration Developer with a strong DevOps background. This is a developer-first role with a significant DevOps leaning, ideal for someone who enjoys building Back End services ( TypeScript/Node.js on AWS) while owning how code is deployed, automated and operated at scale. You'll play a key role in designing and building deployment pipelines (Harness) while contributing to Back End engineering and platform integration work . Key Responsibilities Deliver infrastructure using Infrastructure as Code (Terraform) Develop high-quality Back End code in line with engineering standards Build and optimise CI/CD pipelines (Harness focus) Implement robust DevOps...
Outside Spy
Jun 19, 2026
Duration not stated
Integration Developer (Backend + DevOps) at Sanderson , London, £550-£600 per day
£550 - £600 per day
Outside Spy London, UK
Integration Developer (Backend + DevOps Focus) Location: Fully Remote Pay: £550- £600 per day (Outside IR35) Duration: Initial 6-month contract (with strong extension potential) The Role We 're supporting a leading UK financial services organisation on a new platform build and they 're looking for an Integration Developer with a strong DevOps background. This is a developer-first role with a significant DevOps leaning, ideal for someone who enjoys building backend services ( TypeScript / Node.js on AWS) while owning how code is deployed, automated and operated at scale. You 'll play a key role in designing and building deployment pipelines (Harness) while contributing to backend engineering and platform integration work . Key Responsibilities Deliver infrastructure using Infrastructure as Code (Terraform) Develop high-quality backend code in line with engineering standards Build...
Outside Spy
Jun 18, 2026
6 Months or more
Integration Developer (Backend + DevOps) at Sanderson Recruitment Plc, Bristol, 6 Months, £550-£600 per day
£550 - £600 per day
Outside Spy Bristol, UK
Integration Developer (Backend + DevOps Focus) Location: Bristol - once a month Pay: £550-£600 per day (Outside IR35) Duration: Initial 6-month contract (with strong extension potential) The Role We're supporting a leading UK financial services organisation on a new platform build and they're looking for an Integration Developer with a strong DevOps background. This is a developer-first role with a significant DevOps leaning, ideal for someone who enjoys building Back End services and owning how code is deployed, automated and operated at scale. You'll play a key role in designing and building deployment pipelines (Harness) while contributing to Back End engineering and platform integration work. Key Responsibilities Develop high-quality Back End code in line with engineering standards Build and optimise CI/CD pipelines (Harness focus) for fast, secure delivery Implement robust DevOps practices across the SDLC Collaborate on delivering new platform features...
Outside Spy
Jun 19, 2026
6 Months or more
Boomi Developer at Boss Professional Services, UK Wide, 6 Months, £575-£675 per day
£575 - £675 per day
Outside Spy United Kingdom
Boomi Integration Developer (ERP Programme) Location: Fully Remote UK, with occasional travel to an office Contract Type: Contract Duration: 6 months Initial IR35 Status: Outside IR35 About the Role We are seeking a highly skilled Boomi Developer with proven experience integrating the ERP environment (Infor LN preferred) to join a digital transformation programme. You will be the core technical lead responsible for designing, building, and deploying robust, scalable integration pipelines between the ERP (Infor LN) and surrounding enterprise ecosystem (including CRM, MES, WMS, and third-party logistics/3PL partners). The ideal candidate will not just be a "component builder" in Boomi, but an integration specialist who understands complex manufacturing/distribution data flows and can navigate the nuances of Infor LN data structures. Key Responsibilities Design & Build: design, develop, and test end-to-end integration processes using the Boomi...
Outside Spy
Jun 19, 2026
Duration not stated
Boomi Developer at BOSS Professional Services LTD, London, £575-£675 per day
£575 - £675 per day
Outside Spy London, UK
Boomi Integration Developer (ERP Programme) Location: Fully Remote UK, with occasional travel to an office Contract Type: Contract Duration: 6 Months Initial IR35 Status: Outside IR35 About the Role We are seeking a highly skilled Boomi Developer with proven experience integrating the ERP environment (Infor LN preferred) to join a digital transformation programme. You will be the core technical lead responsible for designing, building, and deploying robust, scalable integration pipelines between the ERP (Infor LN) and surrounding enterprise ecosystem (including CRM, MES, WMS, and third-party logistics/ 3PL partners). The ideal candidate will not just be a component builder in Boomi, but an integration specialist who understands complex manufacturing/ distribution data flows and can navigate the nuances of Infor LN data structures. Key Responsibilities Design & Build: design, develop,...
Outside Spy
Jun 18, 2026
Duration not stated
Software Engineer at Sanderson, City Of Bristol, £550–£600 per day
£550–600 per day
Outside Spy City Of Bristol, England, United Kingdom
Integration Developer (Backend + DevOps Focus) Location: Bristol – once a month Pay: £550–£600 per day (Outside IR35) Duration: Initial 6-month contract (with strong extension potential) The Rol eWe’re supporting a leading UK financial services organisation on a new platform build and they’re looking for an Integration Developer with a strong DevOps background .This is a developer-first role with a significant DevOps leaning, ideal for someone who enjoys building backend services and owning how code is deployed, automated and operated at scale .You’ll play a key role in designing and building deployment pipelines (Harness) while contributing to backend engineering and platform integration work . Key Responsibiliti esDevelop high-quality backend code in line with engineering standar dsBuild and optimise CI/CD pipelines (Harness focus) for fast, secure delive ryImplement robust DevOps practices across the SD LCCollaborate on delivering new platform...
Outside Spy
Jun 19, 2026
Duration not stated
React Developer - 3 Month Contract - Hybrid/Manchester at Adecco, Manchester, £Contract Rate
Outside Spy Manchester, UK
Front End React Developer - 3 Month Contract - Hybrid/Manchester We are seeking a Senior Front End React Developer for a 3 month project based in Manchester. You will build scalable frontend code and contribute to features that power a digital web build. You will work closely with cross-functional teams delivering scalable, high-performance applications. You will also contribute to product roadmap planning from a technical perspective, take ownership of the testing strategy, including unit and integration testing Lead and evolve the software development lifecycle (SDLC.) Type: 3 Month Contract Day Rate: Market Rates (Outside IR35) Location: Hybrid/Manchester Start: ASAP Skills * Strong experience building complex frontend systems using React and other modern JavaScript/TypeScript frameworks. * Strong knowledge of testing approaches (unit, integration, and end-to-end) and overall code quality best practices. * Experience delivering CI/CD change into cloud-based environments....
Outside Spy
Jun 19, 2026
Duration not stated
React Developer at AgileGrid Solutions, United Kingdom, £Contract Rate
Outside Spy United Kingdom
About The Company Adecco is a leading global staffing and workforce solutions provider dedicated to connecting talented professionals with innovative companies across various industries. With a strong presence in over 60 countries, Adecco prides itself on delivering tailored staffing solutions, workforce management, and consulting services that drive organizational success. Our commitment to excellence, integrity, and customer satisfaction has established us as a trusted partner for both job seekers and employers alike. We continuously strive to foster a dynamic and inclusive work environment that promotes growth, development, and opportunity for all our employees. About The Role We are currently seeking a highly skilled Front End React Developer for a 3-month contract position based in Manchester. This role offers an exciting opportunity to work on a cutting-edge digital web build, contributing to the development of scalable and high-performance frontend applications. As...
Outside Spy
Jun 19, 2026
up to 6 Months
Digital Tracking & Analytics Engineer (Web Developer) at Head Resourcing Ltd, Glasgow, 1 to 2 Months, £400-£550 per day
£400 - £550 per day
Outside Spy Glasgow, Scotland, UK
Digital Tracking & Analytics Engineer (Web Developer) needed urgently for our FMCG client based in Glasgow (though the role can be worked fully remotely) for an initial 1-2-month contract. The right candidate must have extensive demonstrable experience as a Web Developer working with paid advertising, cookie consent, Google Ads etc along with strong experience in Google Tag Manager (GTM) alongside strong Advert platform tracking experience, including Meta & TikTok and CAPI. This role is Outside IR35 and can be worked fully remote. The role requires a strong Digital Tracking Engineer/Web Analytics implementation specialist to audit, stabilise and remediate their current TikTok, Meta, GA4 and GTM tracking setup across both web browser and Server Side implementations. Some of the deliverables will include ensuring clean, deduplicated and accurate event tracking across browser and server, ensuring sessions and conversions are attributing correctly and improve...
Outside Spy
Jun 19, 2026
up to 6 Months
React Developer - 3 Month Contract - Hybrid/Manchester at Adecco, Manchester, 3 Months, £Contract Rate
Outside Spy Manchester, UK
Front End React Developer - 3 Month Contract - Hybrid/Manchester We are seeking a Senior Front End React Developer for a 3 month project based in Manchester. You will build scalable Front End code and contribute to features that power a digital web build. You will work closely with cross-functional teams delivering scalable, high-performance applications. You will also contribute to product roadmap planning from a technical perspective, take ownership of the testing strategy, including unit and integration testing Lead and evolve the software development life cycle (SDLC.) Type: 3 Month Contract Day Rate: Market Rates (Outside IR35) Location: Hybrid/Manchester Start: ASAP Skills * Strong experience building complex Front End systems using React and other modern JavaScript/TypeScript frameworks. * Strong knowledge of testing approaches (unit, integration, and end-to-end) and overall code quality best practices. * Experience delivering CI/CD change into cloud-based...
Outside Spy
Jun 19, 2026
Duration not stated
React Developer - 3 Month Contract - Hybrid/Manchester at Adecco , Manchester, £Negotiable Rate
Outside Spy Manchester, UK
Front End React Developer - 3 Month Contract - Hybrid/Manchester We are seeking a Senior Front End React Developer for a 3 month project based in Manchester. You will build scalable frontend code and contribute to features that power a digital web build. You will work closely with cross-functional teams delivering scalable, high-performance applications. You will also contribute to product roadmap planning from a technical perspective, take ownership of the testing strategy, including unit and integration testing Lead and evolve the software development lifecycle (SDLC.) Type: 3 Month Contract Day Rate: Market Rates (Outside IR35) Location: Hybrid/Manchester Start: ASAP Skills * Strong experience building complex frontend systems using React and other modern JavaScript/TypeScript frameworks. * Strong knowledge of testing approaches (unit, integration, and end-to-end) and overall code quality best practices. * Experience delivering CI/CD change into...
Outside Spy
Jun 18, 2026
Duration not stated
C++ Developer - Remote UK - £400/day Outside IR35 | C++ | MS SQL | .NET | Memory Management | Templates | Concurrency Models | Performance‑critical programming at VirtueTech Recruitment Group, United Kingdom, £400 per day
£400 per day
Outside Spy Remote (United Kingdom)
C++ Developer - Remote UK - £400/day Outside IR35 | C++ | MS SQL | .NET | Memory Management | Templates | Concurrency Models | Performance‑critical programming We’re looking for Senior C++ Developers to join a client of mine and support the ongoing evolution of a large‑scale platform transformation . You’ll be part of a collaborative engineering team delivering modern, scalable SaaS solutions within a complex, business‑critical environment. This role offers the opportunity to influence the technical direction of a major SaaS transformation programme , modernising long‑standing legacy capabilities while delivering new platform functionality. As a Senior C++ Developer on the project, you’ll work end‑to‑end on mission‑critical applications , building high‑performance solutions using C++ and .NET , with a strong focus on memory management, templates, concurrency models, and system performance . You’ll contribute to the design and development of core platform...
Outside Spy
Jun 17, 2026
Duration not stated
IBM LANSA Developer - Outside IR35 at IO Associates, Multiple Locations, £Contract Rate
Outside Spy United Kingdom
IBM LANSA Developer Contract Remote Outside IR35 (if applicable) We're supporting a consultancy client on the delivery and enhancement of a critical enterprise application platform and are looking for an experienced IBM LANSA Developer to join the team. This role will suit someone with strong experience across Visual LANSA, IBM i / AS400 environments and enterprise application development. You'll be working closely with technical stakeholders to maintain, enhance and modernise existing business-critical systems. Key Responsibilities Develop, maintain and enhance applications using Visual LANSA Work across IBM i / AS400 environments Support the modernisation of legacy business systems Develop and maintain integrations with internal and external systems Troubleshoot and resolve application issues Work closely with technical and non-technical stakeholders to understand requirements and deliver solutions Contribute to system improvements, performance optimisation and...
Outside Spy
Jun 17, 2026
Duration not stated
IBM LANSA Developer - Outside IR35 at IO Associates, England, £300-£400 per day
£300 - £400 per day
Outside Spy England, UK
IBM LANSA Developer Contract | Remote | Outside IR35 (if applicable) We're supporting a consultancy client on the delivery and enhancement of a critical enterprise application platform and are looking for an experienced IBM LANSA Developer to join the team. This role will suit someone with strong experience across Visual LANSA, IBM i/AS400 environments and enterprise application development. You'll be working closely with technical stakeholders to maintain, enhance and modernise existing business-critical systems. Key Responsibilities Develop, maintain and enhance applications using Visual LANSA Work across IBM i/AS400 environments Support the modernisation of Legacy business systems Develop and maintain integrations with internal and external systems Troubleshoot and resolve application issues Work closely with technical and non-technical stakeholders to understand requirements and deliver solutions Contribute to system improvements, performance optimisation and best...
Outside Spy
Jun 16, 2026
Duration not stated
Dynamics 365 CRM Omnichannel Technical Consultant / Developer at Talent Locker, City of London, £450 to £475 per Day
£450 - £475 per day
Outside Spy City of London, London, UK
Microsoft Dynamics 365 CRM Technical Consultant (omni channel / contact centre / Customer service) | Outside IR35 | £450-475 per day | Fully Remote | 6 Months initial contract A large new Microsoft Dynamics 365 CRM project at a Microsoft Gold Partner requires a D365 CRM omnichannel technical consultant on an initial 6 month contract. If you are coming available and experienced with Microsoft dynamics 365 CRM Development (Customer service / contact centre), please apply. Skills Required: Proven Dynamics 365 Customer Service & Omnichannel expertise - Customer Service Workspace, case management, SLAs, unified routing, and digital channels (chat, email, voice). Strong Dynamics 365 CE development skills - hands-on C#/.NET plugins, JavaScript, customisations, integrations, and solution delivery. Power Platform experience - Power Apps and Power Automate Azure integration capability - experience with Azure Functions, Logic Apps, APIs, and integration design. Contact...
Outside Spy
Jun 16, 2026
Duration not stated
LabVIEW Software Engineer at Pro Contract Direct, Didcot, £60 per hour
Outside Spy Didcot, England, United Kingdom
LabVIEW Software Engineer / Didcot, Oxfordshire / £60 per hour (outside IR35) As a LabVIEW Software Engineer, you will be an integral part of a small project development team, contributing to the design, development, testing, and debugging of LabVIEW Software for Raman Spectroscopy products. This role involves working on new and existing products, collaborating with cross-functional teams, and ensuring compliance with regulatory and product security requirements. Responsibilities: Design, develop, test, and debug LabVIEW Software for Raman Spectroscopy products Contribute to new product development and improvement projects Follow Agile software development processes using Jira Collaborate with cross-functional teams to define requirements and troubleshoot integration issues Ensure code maintainability through comprehensive documentation and unit testing Contribute to continuous improvement activities, internal user groups, and ongoing learning and development Ensure...
Outside Spy
Jun 16, 2026
Duration not stated
Dynamics 365 CRM Omnichannel Technical Consultant / Developer at Talent Locker, City of London, £Contract Rate
Outside Spy City of London, London, UK
Microsoft Dynamics 365 CRM Technical Consultant (omni channel / contact centre / Customer service) Outside IR35 £450-475 per day Fully Remote 6 Months initial contract A large new Microsoft Dynamics 365 CRM project at a Microsoft Gold Partner requires a D365 CRM omnichannel technical consultant on an initial 6 month contract. If you are coming available and experienced with Microsoft dynamics 365 CRM Development (Customer service / contact centre), please apply. Skills Required: Proven Dynamics 365 Customer Service & Omnichannel expertise - Customer Service Workspace, case management, SLAs, unified routing, and digital channels (chat, email, voice). Strong Dynamics 365 CE development skills - hands-on C#/.NET plugins, JavaScript, customisations, integrations, and solution delivery. Power Platform experience - Power Apps and Power Automate Azure integration capability - experience with Azure Functions, Logic Apps, APIs, and integration design. Contact...
Outside Spy
Jun 16, 2026
6 Months or more
Dynamics 365 CRM Omnichannel Technical Consultant/Developer at The Talent Locker, City of London, 6 Months, £450-£475 per day
£450 - £475 per day
Outside Spy City of London, UK
Microsoft Dynamics 365 CRM Technical Consultant (omni channel/contact centre/Customer service) | Outside IR35 | £450-475 per day | Fully Remote | 6 months initial contract A large new Microsoft Dynamics 365 CRM project at a Microsoft Gold Partner requires a D365 CRM omnichannel technical consultant on an initial 6 month contract. If you are coming available and experienced with Microsoft dynamics 365 CRM Development (Customer service/contact centre), please apply. Skills Required: Proven Dynamics 365 Customer Service & Omnichannel expertise - Customer Service Workspace, case management, SLAs, unified routing, and digital channels (chat, email, voice). Strong Dynamics 365 CE development skills - hands-on C#/.NET plugins, JavaScript, customisations, integrations, and solution delivery. Power Platform experience - Power Apps and Power Automate Azure integration capability - experience with Azure Functions, Logic Apps, APIs, and integration design. Contact...
Outside Spy
Jun 16, 2026
Duration not stated
Senior Boomi Architect (Outside IR35) SC Cleared at Amysoft Limited, London, £Contract Rate
Outside Spy London, UK
Client : Public Sector Location : Hybrid, London or Birmingham, 2 days per week onsite Engagement Type : Contract (Outside IR35) Day Rate : Up to £600 per day depending on experience Clearance : Active SC Clearance required About the role A public sector client needs a Senior Boomi Architect to set the technical direction for a high-profile integration programme. This is the person who owns how integrations get designed across the estate, then stays close enough to the build to keep those standards real. You'll define the architecture and the reusable patterns the wider team delivers against. You'll also stay hands-on where it counts: shaping the complex integrations, unblocking the team, and making the calls that keep business-critical services running. It's a hybrid role. You'll be onsite at either the London or Birmingham office 2 days a week, with the site confirmed during the process. Key responsibilities Own the integration architecture on the Boomi...
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