Staff / Senior Engineer (IBM Sterling)

We are seeking an experienced engineer with strong expertise in IBM Sterling Order Management System (OMS) and Sterling Intelligent Promising (SIP) to join our crew! The role includes product configuration and extension work, testing and deployment automation and production operations. You will partner with colleagues in Product, Solution Architecture and other engineers in the team to deliver a scalable and reliable fulfilment optimisation system for our Retail client, enabling intelligent fulfilment, sourcing optimisation, and seamless integration across order channels. We are looking for someone who is a: Hands-on engineer with a deep technical understanding of Sterling OMS and SIP. A strong communicator, comfortable collaborating with both technical and functional colleagues Analytical and detail-oriented, able to translate problems into requirements that can be met with either IBM Sterling product features and configuration, or through custom-developed components. Experience across the software delivery lifecycle, including requirements analysis, technical design, development, test and deployment automation, observability setup and responding to production incidents Able to work in complex enterprise environments, balancing speed and quality. Key Responsibilities Agree requirements with colleagues in the Product team Collaborate on technical designs, providing advice on how requirements can be delivered using the IBM Sterling product suite or custom Java components. Design, develop, and maintain IBM Sterling OMS and SIP configuration. Implement and customise workflows, sourcing rules, and fulfilment logic that determine how and where orders are fulfilled. Integrate OMS and SIP with external systems and data sources via APIs, queues, and event-driven interfaces. Enhance inventory visibility and sourcing optimisation through SIP configuration and Java-based customisation. Develop and maintain automated test frameworks (Cucumber/Java) for validation of order flows and sourcing outcomes. Support continuous integration and delivery pipelines, contributing to the migration from Jenkins to GitHub Actions. Troubleshoot performance, integration, and workflow issues within Sterling OMS and SIP environments. Collaborate with functional configuration teams to align custom code with business rules and system configuration. Sterling OMS — deep understanding of architecture, workflows, data models, and extensibility points. Sterling Intelligent Promising (SIP) — working knowledge of configuration, sourcing logic, and integration with OMS. Java (Core and Enterprise) — solid, hands-on engineering experience. XML, XSLT, JSON, SQL — for data handling, configuration, and integration. Cucumber (Java) or equivalent test automation tools. CI/CD: GitHub Actions for automated build, test, and deployment. Version control: Git/GitHub. Desirable Skills Experience with SIP modules: inventory visibility, promising, fulfulment optimiser Familiarity with API-based orchestration between OMS, SIP, and external fulfilment or inventory systems. Exposure to containerised deployments (Docker/Kubernetes) and cloud hosting environments (Azure or AWS). Understanding of monitoring, alerting, and observability tools (New Relic, PagerDuty). Experience with agile delivery and collaboration across distributed teams. Competitive Rates Remote role Friendly and welcoming team Opportunity to work with one of the UK's leading multinational retailers At Mindera we use technology to build products we are proud of, with people we love. Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera. We partner with our clients, to understand their product and deliver high performance, resilient and scalable software systems that create an impact on their users and businesses across the world. You get to work with a bunch of great people, where the whole team owns the project together. Our culture reflects our lean and self-organisation attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication. We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment. Check out our Blog and our Handbook Mindera around the world : Porto, Portugal | Aveiro, Portugal | Coimbra, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India | Blumenau, Brazil | Cluj-Napoca, Romania | Valencia, Spain | Casablanca, Morocco & Remote.