Full Stack Engineer | C#/.NET & React | London

Full Stack Engineer | .NET & React | Financial Services | London We’re partnered with a leading global energy and commodities organisation that’s investing heavily in its digital transformation journey. With a strong presence across EMEA, the Americas, and APAC, the business is scaling its in-house analytics platforms to drive smarter, data-led decisions across trading, logistics, and infrastructure operations. The role: As a Full Stack Developer , with proven skills in . NET and React , you’ll join a highly collaborative analytics team in London, helping to design and deliver scalable, high-impact applications that harness data from global operations. You’ll work closely with technical and business stakeholders to translate ideas into actionable solutions that add real commercial value. Key responsibilities: Develop and maintain a suite of strategic analytics applications used across global teams. Participate in the full software development lifecycle — from design through delivery. Collaborate directly with end users to refine requirements and deliver high-performing features. Write clean, testable, and maintainable code within a distributed system architecture. Engage in daily scrums, peer reviews, and cross-functional design sessions. London City, UK Highly competitive salary benefits package Requirements: Degree in Computer Science, MIS, or related discipline. 4–7 years’ experience with C#/.NET technologies, ideally including ASP.NET Core and Web APIs. 3 years’ experience developing front-end applications using React, or similar frameworks, but React is the strong preference here. Strong JavaScript and CSS skills with an eye for design and UX. Experience with SQL and relational databases such as Oracle, SQL Server, or PostgreSQL. Knowledge of CI/CD principles and Agile/Scrum development practices. Excellent communication skills and a proactive, solution-focused mindset. Desirable extras: Experience with GraphQL , gRPC , Kafka , or Reactive Extensions (RX) . Exposure to the energy, commodities, or financial services sectors. This is an opportunity to contribute to an ambitious, data-driven organisation where your work directly influences operational and strategic outcomes across a truly global network. If you are interested in this Full Stack Developer Role, please respond directly to this advert with your updated CV or send it to chantelle.smith@sourcegroupinternational.com

Location: City of London, London, GB

Posted Date: 11/19/2025