4 senior aws platform engineer jobs found in Remote

Senior C# Developer – .NET 9/10, AWS Lambda, SQS, SNS – OUTSIDE IR35   £700–£800 per day • Outside IR35 ● 100% Remote • 9 month rolling contract   Takeaway:   Contribute to the architecture and build of a major greenfield B2B SaaS platform as a deeply senior, hands‑on C# engineer, with heavy emphasis on deep .NET engineering , high‑performance distributed systems , and real‑world AWS serverless delivery . You’ll also have the opportunity to develop hands‑on skills with Claude Code , one of the most advanced AI‑assisted development tools in the industry.   Role Overview:   You’ll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep backend engineering, distributed system design, and high‑quality serverless delivery, plus the chance to adopt modern AI‑assisted development practices as part of your...

Senior Java Engineer - Core Banking 6-month contract Fully Remote Outside IR35 £400 per day We are looking for a Senior Java Engineer to join a major Core Banking team delivering the development, modernisation and support of mission-critical banking services. You will work across several strategic initiatives, including core banking transformation, Legacy-system modernisation, regulatory enhancements and integrations between core banking platforms and surrounding services. This is a hands-on engineering position requiring strong Java expertise and recent experience delivering highly available systems within banking, payments or financial services. Key responsibilities Design, develop and maintain Java and Spring Boot services supporting core banking operations. Modernise Legacy banking applications into scalable microservices. Build APIs and event-driven integrations between core banking platforms, payment systems and third-party services. Develop services covering areas...

Senior Infrastructure Engineer Our client, a well-established name in business technology solutions across the Energy, Public, and Finance sectors, is currently driving major transformational change and needs an experienced Infrastructure Solutions Architect to join the team. This role centres on leading customers through detailed discovery, shaping hybrid infrastructure solutions that span on-premise, private, and public cloud, and taking ownership of technical delivery from initial concept through to go-live. Key Responsibilities Lead customers through detailed discovery sessions to build a clear picture of their existing environments Design tailored, end-to-end hybrid infrastructure solutions across on-premise, private cloud, and public cloud platforms Put together detailed delivery plans and timelines that match client requirements and project scope Take charge of technical delivery, coordinating both internal teams and external partners to ensure smooth...

Senior Java Engineer - Core Banking 6-month contract Fully Remote Outside IR35 £400 per day We are looking for a Senior Java Engineer to join a major Core Banking team delivering the development, modernisation and support of mission-critical banking services. You will work across several strategic initiatives, including core banking transformation, Legacy-system modernisation, regulatory enhancements and integrations between core banking platforms and surrounding services. This is a hands-on engineering position requiring strong Java expertise and recent experience delivering highly available systems within banking, payments or financial services. Key responsibilities Design, develop and maintain Java and Spring Boot services supporting core banking operations. Modernise Legacy banking applications into scalable microservices. Build APIs and event-driven integrations between core banking platforms, payment systems and third-party services. Develop services covering areas...