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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IBM LANSA Developer - Outside IR35 - **Company:** iO Associates - **Location:** UK (Remote available) - **Contract:** Contract - **Skills:** Application Programming Interfaces (APIs), IBM System I, Business Software, Business Systems, Databases, IBM DB2, IBM RPG (Programming Language), Performance Tuning, Systems Integration, Enterprise Software Applications - **Published:** June 17, 2026 - **Apply:** https://computerjobs.com/gb/en/mob/job/9D13E826700DDD998E ## About the Role * Strong commercial experience with Visual LANSA/IBM LANSA * Experience with RDML and/or RDMLX * IBM i, AS400 or iSeries experience * Database experience, ideally DB2 * Experience developing and supporting enterprise business applications * Strong problem-solving skills * Excellent communication skills and ability to work directly with clients and stakeholders Desirable Experience * Experience with application modernisation projects * API and systems integration experience * Consultancy or client-facing delivery experience * RPG/RPG IV exposure ## Description 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 practice development Required Experience * Strong commercial experience with Visual LANSA/IBM LANSA * Experience with RDML and/or RDMLX * IBM i, AS400 or iSeries experience * Database experience, ideally DB2 * Experience developing and supporting enterprise business applications * Strong problem-solving skills * Excellent communication skills and ability to work directly with clients and stakeholders Desirable Experience * Experience with application modernisation projects * API and systems integration experience * Consultancy or client-facing delivery experience * RPG/RPG IV exposure What's on Offer * Long-term project work * Fully remote working * Opportunity to work on large-scale enterprise systems * Collaborative consultancy environment * Immediate interview process If you're an experienced LANSA Developer looking for your next contract opportunity, we'd love to hear from you. ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [Langium: Design your own language in Node.js and VS Code](https://www.wearedevelopers.com/videos/762-langium-design-your-own-language-in-node-js-and-vs-code) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Can This Elephant Dance? 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