10 systems integration developer jobs found

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...

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

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

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:...

Senior Software Engineer (Contract) 3-Month Engagement | Outside IR35 | Up to £475 per day | Hybrid (London / Ipswich) A rapidly expanding SaaS company is seeking an experienced Senior Software Engineer to support their agile delivery team on an initial 3-month contract. This position offers a strong mix of hands-on development and strategic input, with the opportunity to shape system architecture, influence engineering practices, and contribute directly to product evolution. You'll play a key role in designing, building, and improving scalable cloud-native applications, while also guiding team members and promoting high standards across the development lifecycle. Core expertise required: Advanced experience with C# and .NET (Framework and Core) Frontend development using TypeScript, HTML, CSS, and either React or Vue Proven track record with AWS, ideally including serverless architectures (e.g., Lambda) Experience with CI/CD pipelines and Infrastructure as Code...

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...

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...

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...

Full job description Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our...

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...