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22 integration developer jobs found

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integration developer £500 - £600
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Greater London  (12) Bristol City  (2) England  (2) Glasgow City  (1) Remote  (1) Stoke-on-Trent  (1)
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London  (10) Bristol  (2) Glasgow  (1) Remote  (1) Stoke-on-Trent  (1)
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
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 12, 2026
Duration not stated
Power Platform Developer at Real, City of London, £Contract Rate
£500 per day
Outside Spy City of London, London, UK
We are currently seeking an experienced Power Platform Developer to join our client's team on a contract basis in London. This is an opportunity to support a large-scale programme within the education sector, contributing to the design and delivery of scalable solutions across the Microsoft ecosystem. If you enjoy hands-on development, working closely with stakeholders, and delivering practical outcomes, this could be a strong fit. Key Responsibilities and Skills Power Platform Development: Strong experience across Power Apps (including model-driven apps), Power Automate, portal pages, solutions, and plugins. Security Configuration: Experience designing and implementing complex, role-based security models within Power Apps. Full Stack Development: Proficiency in JavaScript, HTML, and C#, supporting both front-end and back-end development. Integration: Experience integrating with third-party services using APIs. Azure DevOps: Familiar with managing development...
Outside Spy
Jun 12, 2026
up to 6 Months
Power Platform Developer at Real Staffing Group, City of London, 3 Months, to £500 per day
£400 - £500 per day
Outside Spy City of London, UK
We are currently seeking an experienced Power Platform Developer to join our client's team on a contract basis in London. This is an opportunity to support a large-scale programme within the education sector, contributing to the design and delivery of scalable solutions across the Microsoft ecosystem. If you enjoy hands-on development, working closely with stakeholders, and delivering practical outcomes, this could be a strong fit. Key Responsibilities and Skills Power Platform Development: Strong experience across Power Apps (including model-driven apps), Power Automate, portal pages, solutions, and plugins. Security Configuration: Experience designing and implementing complex, role-based security models within Power Apps. Full Stack Development: Proficiency in JavaScript, HTML, and C#, supporting both Front End and Back End development. Integration: Experience integrating with third-party services using APIs. Azure DevOps: Familiar with managing...
Outside Spy
Jun 11, 2026
Duration not stated
Senior JavaScript Engineer at Ventula Consulting, Greater London, £575 per day
£575 per day
Outside Spy Greater London, England, United Kingdom
Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented ‘Full Stack JavaScript Developer’ who is proficient in front and back-end development. (React/Node.js), with an emphasis on backend Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react / next.js Designing and building Node.js / GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...
Outside Spy
Jun 19, 2026
Duration not stated
Kotlin Developer (SC cleared) at SR2, Greater London, £450 to £500 per Day
£450 - £500 per day
Outside Spy Greater London, UK
Kotlin Developer (SC Cleared) Outside IR35 We are seeking experienced Kotlin Developers to join a high-profile national digital programme, building secure, scalable, and user-focused Android applications that support a major government digital transformation initiative. This is an opportunity to work on modern mobile products with significant public impact, leveraging the latest Android technologies and best practices. You'll collaborate closely with product managers, designers, delivery specialists, and fellow engineers to create high-quality, reliable, and secure mobile experiences used at scale. Due to the nature of the programme, active SC clearance is required. Key Responsibilities Design, develop, and maintain modern Android applications using Kotlin as the primary language. Build responsive and scalable user interfaces using Jetpack Compose. Architect robust, maintainable, and testable solutions following Android best practices and modern design patterns....
Outside Spy
Jun 19, 2026
6 Months or more
Kotlin Developer (SC cleared) at SR2 - Socially Responsible Recruitment, London, 6 Months, £450-£500 per day
£450 - £500 per day
Outside Spy London, UK
Kotlin Developer (SC Cleared) Outside IR35 We are seeking experienced Kotlin Developers to join a high-profile national digital programme, building secure, scalable, and user-focused Android applications that support a major government digital transformation initiative. This is an opportunity to work on modern mobile products with significant public impact, leveraging the latest Android technologies and best practices. You'll collaborate closely with product managers, designers, delivery specialists, and fellow engineers to create high-quality, reliable, and secure mobile experiences used at scale. Due to the nature of the programme, active SC clearance is required . Key Responsibilities Design, develop, and maintain modern Android applications using Kotlin as the primary language. Build responsive and scalable user interfaces using Jetpack Compose . Architect robust, maintainable, and testable solutions following Android best practices and modern design...
Outside Spy
Jun 18, 2026
Duration not stated
​​​​​​​Software Test Engineer / Lead – Outside IR35 at SDL Solutions Limited , UK, £350 to £500 per Day
£350 - £500 per day
Outside Spy United Kingdom
Software Test Engineer / Lead – Outside IR35   My client is the fastest growing technology company who is seeking a Software Test Engineer / Lead for an initial 12-month contract. As a Software Test Engineer / Lead you should have experience with both Manual and Automated Testing, Regression Testing or Performance Testing. As a team player you will be liaising with other multi-functional testers and software designer / developers to understand the business requirements and product functionality, You will be involved in software test spec, manual test cases, automated test scripts and performance testing solutions that will need to be implemented throughout the delivery pipeline. Involvement in production and maintenance of system testing and systems integration of hardware and software components through to resolution of all faults found in the software. You will ideally be degree educated in an engineering or science subject, with a good IT content and ISTQB® certification is...
Outside Spy
Jun 18, 2026
Duration not stated
Project Manager at Burns Sheehan, London Area, £590 per day
£590 per day
Outside Spy London Area, United Kingdom
📊Contract Project Manager | AI & Automation | Private Equity | SaaS | Outside IR35 📊 Role: Project Manager (Contract) Rate: up to £590 p/d (Outside IR35) Duration: 12-month contract (likely to extend) Location: Central London - 3 days p/w in office We're partnered with a leading global investment firm investing across private equity and credit markets, who are looking for a Project Manager to join their central change team. This is a broad role delivering multiple SaaS and internally developed technology initiatives across the business, while helping drive the adoption of AI and automation 🤖 As Project Manager, you'll own projects end-to-end, working with senior stakeholders, technical teams and external vendors to deliver high-impact change across a fast-paced environment. What you'll be doing Delivering multiple concurrent technology projects Leading SaaS implementations and vendor-led change Working with internal teams on...
Outside Spy
Jun 18, 2026
6 Months or more
IFS Technical Consultant - Outside IR35 - Hybrid (Stoke-On-Trent) at Talentbank Technology, Stoke-On-Trent, 6 Months, £450-£650 per day
£450 - £650 per day
Outside Spy Stoke-On-Trent, UK
IFS Technical Consultant - Outside IR35 - Hybrid (Stoke-On-Trent) £450 - £650 per day (Outside IR35) Initial 6-month contract Hybrid - 3 days per week on-site at HQ in Stoke-On-Trent Role Overview An experienced IFS Technical Consultant is required for an initial 6-month engagement, supporting a major UK organisation with multiple critical IFS Apps10 initiatives. The role is Outside IR35 and requires on-site presence 3 days per week at their Stoke-on-Trent HQ. Key Responsibilities Deliver technical development and customisation within IFS Apps10, including complex modifications. Support ongoing project workstreams, particularly the new warehouse site setup. Develop custom code, integrations, and configurations across Sales, Logistics, and Finance. Collaborate with cross-functional teams to ensure alignment with business requirements. Troubleshoot technical issues, perform unit testing, and support deployment cycles. Ensure best practice in IFS...
Outside Spy
Jun 17, 2026
Duration not stated
IBM i / LANSA Developer at Morson Edge, United Kingdom, £600 per day
£600 per day
Outside Spy United Kingdom
IBM i / LANSA Developer – Contract – Outside IR35 📍 Fully Remote (UK) 💷 Up to £600 per day 📅 Initial 6 months with likely extensions I'm currently recruiting for an experienced IBM i / LANSA Developer to join a major modernisation programme, working on business-critical applications within an established IBM i environment. You'll need strong experience across: IBM i / AS400 development LANSA (RDML/RDMLX, Visual LANSA, repository concepts) DB2 for i RPG and/or CL exposure Legacy green-screen applications and IBM i operational concepts Modernisation projects (web, APIs, mobile/PWA) REST APIs and third-party integrations Git, release management and environment promotion This is a niche role requiring someone who understands how to evolve long-standing enterprise systems without compromising stability and maintainability. Rate: Up to £600 per day IR35: Outside IR35 Location: Fully Remote Start: ASAP If you're an experienced IBM...
Outside Spy
Jun 12, 2026
Duration not stated
D365BC Developer at Source & Connect, United Kingdom, £500 per day
£500 per day
Outside Spy United Kingdom
£500/day (Outside IR35) | Fully Remote (UK-based candidates only) | Short-Term Contract-Must be available immediately We’re looking for an experienced Dynamics 365 Business Central (BC) Develope r to support a high-impact e‑invoicing and reporting project. This is a short-term contract rol e, offering £500 per day outside IR3 5, working fully remotely with a UK-based team . What You’ll DoExtend Business Central data models, mandates, and status framewor ksBuild new ELR entities, includin g:Batch header & batch li neSubmissio nsResponse lo gsImplement invoice-level and aggregate e‑reporting flo wsDevelop inbound and outbound response handling using UBL forma tsAdd new actions, pages, and correlation logic across posted documen tsStrengthen logging, retry logic, and certification readine ss What You’ll N eedStrong experience with AL development in Dynamics 365 Business Cent ralSolid understanding of BC extensions, including tables, pages,...
Outside Spy
Jun 12, 2026
Duration not stated
D365BC Developer at Source & Connect, England, £500 to £550 per Day
£500 - £550 per day
Outside Spy England, UK
£500/day (Outside IR35) | Fully Remote (UK-based candidates only) | Short-Term Contract-(Must be available immediately) We're looking for an experienced Dynamics 365 Business Central (BC) Developer to support a high-impact e‑invoicing and reporting project. This is a short-term contract role, offering £500 per day outside IR35, working fully remotely with a UK-based team. What You'll Do Extend Business Central data models, mandates, and status frameworks Build newELR entities, including: Batch header & batch line Submissions Response logs Implement invoice-level and aggregate e‑reporting flows Develop inbound and outbound response handling using UBL formats Add new actions, pages, and correlation logic across posted documents Strengthen logging, retry logic, and certification readiness What You'll Need Strong experience with AL development in Dynamics 365 Business Central Solid understanding of BC extensions, including tables, pages, and codeunits...
Outside Spy
Jun 12, 2026
Duration not stated
Business Analyst (BA): Platforms – SC Eligible – Government Projects at ByDesign Secure, London, £575 per day
£575 per day
Outside Spy London, UK
This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...
Outside Spy
Jun 12, 2026
Duration not stated
Business Analyst (BA): Technical – SC Eligible – Government Projects at ByDesign Secure, London, £575 per day
£575 per day
Outside Spy London, UK
This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...
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