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9 systems integration developer jobs found

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systems integration developer up to £300
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West Midlands  (4) England  (2) Greater London  (1) Somerset  (1) Wales  (1)
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Outside Spy
May 06, 2026
Duration not stated
Systems Integration Developer (XML / SQL / VB.Net) at TXP, West Midlands (County), £200 to £300 per Day
£200 - £300 per day
Outside Spy West Midlands, UK
Systems Integration Developer (XML / SQL / VB.NET) Outside IR35 | Day Rate | Fully Remote | Immediate Start Seeking a hands‑on Systems Integration Developer to integrate externally produced data back into live systems, ensuring it behaves as native system output. Strong focus on XML, SQL, and VB.NET , with light ETL-style data handling. Key Skills XML (structured outputs, schemas, validation) XSLT transformations VB.NET system posting / integration logic SQL (data loads, reconciliation, fixes) Experience integrating external data into existing platforms Role Highlights Design and load XML aligned to existing system formats Build XSLT for system and user-facing views Develop VB.NET logic to validate and post data Use SQL to support data movement and integrity Ensure existing workflows and outputs continue uninterrupted Repeatable delivery across multiple data loads Contract: Outside IR35 Location: Fully Remote Start: Immediate / short notice...
Outside Spy
May 06, 2026
Duration not stated
Systems Integration Developer (XML / SQL / VB.Net) at TXP, Birmingham, £200-£300 per day
£200 - £300 per day
Outside Spy Birmingham, UK
Systems Integration Developer (XML / SQL / VB.NET) Outside IR35 Day Rate Fully Remote Immediate Start Seeking a hands-on Systems Integration Developer to integrate externally produced data back into live systems, ensuring it behaves as native system output. Strong focus on XML, SQL, and VB.NET , with light ETL-style data handling. Key Skills XML (structured outputs, schemas, validation) XSLT transformations VB.NET system posting / integration logic SQL (data loads, reconciliation, fixes) Experience integrating external data into existing platforms Role Highlights Design and load XML aligned to existing system formats Build XSLT for system and user-facing views Develop VB.NET logic to validate and post data Use SQL to support data movement and integrity Ensure existing workflows and outputs continue uninterrupted Repeatable delivery across multiple data loads Contract: Outside IR35 Location: Fully Remote Start: Immediate / short notice
Outside Spy
May 06, 2026
up to 6 Months
Systems Integration Developer (XML/SQL/VB.Net) at TXP, Birmingham, 4 Weeks, £200-£300 per day
£200 - £300 per day
Outside Spy Birmingham, UK
Systems Integration Developer (XML/SQL/VB.NET) Outside IR35 | Day Rate | Fully Remote | Immediate Start Seeking a hands-on Systems Integration Developer to integrate externally produced data back into live systems, ensuring it behaves as native system output. Strong focus on XML, SQL, and VB.NET , with light ETL-style data handling. Key Skills XML (structured outputs, schemas, validation) XSLT transformations VB.NET system posting/integration logic SQL (data loads, reconciliation, fixes) Experience integrating external data into existing platforms Role Highlights Design and load XML aligned to existing system formats Build XSLT for system and user-facing views Develop VB.NET logic to validate and post data Use SQL to support data movement and integrity Ensure existing workflows and outputs continue uninterrupted Repeatable delivery across multiple data loads Contract: Outside IR35 Location: Fully Remote Start: Immediate/short notice
Outside Spy
May 06, 2026
Duration not stated
Systems Integration Developer (XML / SQL / VB.Net) at TXP Technology x People, Birmingham, £200-£300 per day
£200 - £300 per day
Outside Spy Birmingham, UK
Systems Integration Developer (XML / SQL / VB.NET) Outside IR35 | Day Rate | Fully Remote | Immediate Start Seeking a hands-on Systems Integration Developer to integrate externally produced data back into live systems, ensuring it behaves as native system output. Strong focus on XML, SQL, and VB.NET , with light ETL-style data handling. Key Skills XML (structured outputs, schemas, validation) XSLT transformations VB.NET system posting / integration logic SQL (data loads, reconciliation, fixes) Experience integrating external data into existing platforms Role Highlights Design and load XML aligned to existing system formats Build XSLT for system and user-facing views Develop VB.NET logic to validate and post data Use SQL to support data movement and integrity Ensure existing workflows and outputs continue uninterrupted Repeatable delivery across multiple data loads Contract: Outside IR35 Location:...
Outside Spy
May 01, 2026
Duration not stated
Web Developer at Apache Associates, Wales, £300-£375 per day
£300 - £375 per day
Outside Spy Wales, UK
Are you a talented Web Developer with a passion for building seamless digital experiences? Our client, a leading travel company, is seeking a skilled developer with strong expertise in React front-end development and Umbraco CMS to join their team for 3-6 months. This is an excellent opportunity to work on high-profile projects, delivering modern, scalable, and user-focused web solutions. The Role As a Web Developer, you'll be responsible for: Developing responsive, high-performance web applications using React Building and maintaining websites within the Umbraco CMS Collaborating closely with designers, back-end developers, and stakeholders Writing clean, maintainable, and well-documented code Optimising applications for speed, scalability, and SEO best practices Required Skills & Experience Proven commercial experience with React js Strong knowledge of JavaScript (ES6+) , HTML5, and CSS3 Hands-on...
Outside Spy
May 01, 2026
Duration not stated
Salesforce Developer at X4 Technology, London Area, £275 per day
£275 per day
Outside Spy London Area, United Kingdom
Job Title: Salesforce Developer Day Rate: £275/day (OUTSIDE IR35) Location: Hybrid (London / Newbury) Contract Length: 6 months (extendable) Salesforce Developer - Role & Responsibilities Design and develop scalable Salesforce solutions using Apex, Lightning Web Components, and integrations aligned to architectural standards. Deliver business change initiatives on the Salesforce platform in line with roadmap priorities and delivery plans. Contribute to code quality through active participation in code reviews and adherence to established development standards. Support platform stability by troubleshooting complex issues and owning high-impact incidents within SLA targets. Collaborate with DevOps and stakeholders to support releases, CI/CD processes, and Salesforce seasonal updates. Salesforce Developer - Required Experience Less than 5 years of hands-on Salesforce development experience delivering production-ready solutions. Strong technical...
Outside Spy
Apr 30, 2026
Duration not stated
Salesforce Developer at Syntax Consultancy Ltd, Somerset, £300 to £310 per Day
£300 - £310 per day
Outside Spy Somerset, UK
Salesforce Developer London / Newbury  (Hybrid) 6 Month Contract £310/day (Outside IR35)   Salesforce Developer needed with Salesforce solutions using Apex, Lightning Web Components with good knowledge of the Salesforce platform , including Sales Cloud and Service Cloud 6 Month Contract based in London (Hybrid). Paying up to £310/day (Outside IR35). Start ASAP in May/June 2026. Hybrid Working - 2 days/week remote (WFH) + 3 days/week working from the office in London and Newbury . Working with a global IT Consultancy supporting a Telecoms end client with a Salesforce solutions project: Experienced hands-on Salesforce development experience delivering production solutions. implement agreed designs and architectural direction. Salesforce Developer work design and develop Salesforce solutions using Apex , Lightning Web Components, integrations and other Salesforce ecosystem technologies. Good knowledge of the Salesforce...
Outside Spy
Apr 30, 2026
Duration not stated
Salesforce Developer at Syntax Consultancy Limited, Newbury, £300-£310 per day
£300 - £310 per day
Outside Spy Newbury, Berkshire
Salesforce Developer London / Newbury (Hybrid) 6 Month Contract £310/day (Outside IR35) Salesforce Developer needed with Salesforce solutions using Apex, Lightning Web Components with good knowledge of the Salesforce platform , including Sales Cloud and Service Cloud 6 Month Contract based in London (Hybrid). Paying up to £310/day (Outside IR35). Start ASAP in May/June 2026. Hybrid Working - 2 days/week remote (WFH) + 3 days/week working from the office in London and Newbury . Working with a global IT Consultancy supporting a Telecoms end client with a Salesforce solutions project: Experienced hands-on Salesforce development experience delivering production solutions. implement agreed designs and architectural direction. Salesforce Developer work design and develop Salesforce solutions using Apex , Lightning Web Components, integrations and other Salesforce ecosystem technologies. Good knowledge of the Salesforce platform , including...
Outside Spy
Apr 30, 2026
6 Months or more
Salesforce Developer at Syntax Consultancy, Berkshire Newbury, 6 Months, £300-£310 per day
£300 - £310 per day
Outside Spy Berkshire Newbury, UK
Salesforce Developer London/Newbury (Hybrid) 6 Month Contract £310/day (Outside IR35) Salesforce Developer needed with Salesforce solutions using Apex, Lightning Web Components with good knowledge of the Salesforce platform , including Sales Cloud and Service Cloud 6 Month Contract based in London (Hybrid). Paying up to £310/day (Outside IR35). Start ASAP in May/June 2026. Hybrid Working - 2 days/week remote (WFH) + 3 days/week working from the office in London and Newbury . Working with a global IT Consultancy supporting a Telecoms end client with a Salesforce solutions project: Experienced hands-on Salesforce development experience delivering production solutions. implement agreed designs and architectural direction. Salesforce Developer work design and develop Salesforce solutions using Apex , Lightning Web Components, integrations and other Salesforce ecosystem technologies. Good knowledge of the Salesforce platform , including Sales...
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