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Java Developer (x2) with SC clearance. Join a collaborative Agile Scrum team to build geospatial solutions using modern cloud technologies. You will work across the full software development lifecycle to design and develop scalable cloud-based applications, write clean, maintainable code, and ensure quality through testing and best practices. Contribute to code reviews and reusable solutions, and collaborate in Agile ceremonies. Location: Guildford or Newcastle; 2-3 days per week onsite; Inside IR35; £500-£525 per day.

Senior C# Developer required for a Commodities Trading company. The role involves developing in C# within a commodities trading environment, speaking directly to traders and senior stakeholders, and covering the full trade lifecycle. This is a contract/temporary position Outside IR35, based in Central London with hybrid work. Day rate £750-£800.

Contract Senior Middleware Engineer to migrate and support MQ and IBM WebSphere environments as part of a large transformation programme. Remote-based with Bracknell, UK base; 6-month contract with likely extension, Inside IR35 via Umbrella. Responsibilities include installing and configuring IBM MQ, IBM WebSphere Application Server (ND/Liberty), IBM HTTP Server, WebSphere Portal, and OS migration from SLES/Oracle Linux to RHEL; deploying applications (EAR/WAR), tuning, monitoring with AppDynamics/Wily Introscope/Tivoli, automation with Python/Bash/Perl/Jython/Ansible, and DevOps practices. Requires Linux/UNIX expertise, scripting, CI/CD tooling (Jenkins, GitLab), and knowledge of related technologies (Kafka, RabbitMQ, OAM).

Experienced Full‑Stack C# / .Net Front Office Developer required to support the implementation of a new LNG trading system (c‑motion) in a trading IT function for a global energy trader. This hands‑on contract role involves delivering agile software solutions using .NET technologies, supporting and customising LNG trading systems, and translating business requirements into scalable technical solutions.

Java Developer – Cloud Services on a 12-month initial contract with hybrid working (Guildford). SC Cleared, Inside IR35, paying £60-£70 per hour. You’ll join an Agile Scrum team to design, develop and deploy scalable cloud-based Java services, with emphasis on unit testing, code quality and collaboration; knowledge of cloud platforms, Red Hat OpenShift/Kubernetes and related DevSecOps tools is desirable.

Java Developer - Cloud Services on a 12 month initial contract with hybrid working out of Newcastle, SC Cleared role, Inside IR35, £70 per hour.

Fully remote role for a FTSE 100 organisation, maintaining the stability and performance of core data and ML systems across Europe; focuses on reliability and debugging complex data flows and ML issues in live production environments; 6-month initial contract; £700-£750 per day.

Join a global pioneer in the video game industry as a Senior Site Reliability Engineer. You will sit at the heart of a high-impact Technical Operations team, driving reliability, scalability, and performance across revenue-critical commerce platforms powering subscriptions and personalised experiences. You'll collaborate with product and engineering teams to influence architecture, improve deployment safety, and elevate observability—ensuring seamless experiences for a global gaming community. This is a role where your decisions directly impact live services at massive scale.

Join a collaborative Agile Scrum team as a Java Developer, building geospatial solutions using modern cloud technologies. You will work across the full software development lifecycle, designing and developing scalable cloud-based applications, writing clean, maintainable code, and ensuring quality through testing and best practices, code reviews, and Agile ceremonies.

Senior Application Developer role to design and build a PostgreSQL-based data platform for investment reporting, risk analytics, regulatory disclosures and performance measurement; hybrid London, 6-month contract, £570/day, outside IR35, with migration from Databricks and Excel-driven processes and ETL/ELT pipelines using Python.