Software Engineer - Platform United Kingdom Jobs (On-site work)

Join Ovarro as a Level 1 Software Engineer in Sheffield, UK, and contribute to SCOPE, a leading SCADA platform. You’ll manage project elements, perform full lifecycle development, and resolve defects using Java scripting and C/C++. Ideal for problem-solvers with a technical background. Enjoy a co...

Lead Engineer sought for a UK deep-tech firm pioneering clean energy solutions via advanced physics, simulation, and ML. You will architect, optimise, and maintain complex HPC systems in Oxford, leveraging expertise in Linux, MPI, and C++. Ideal candidates possess strong scripting skills and a pa...

Senior Software Engineer sought by a London health-tech scale-up to scale a platform used by 100k+ customers. You’ll own problems end-to-end, working across Python backend, React/TypeScript frontend, and AWS infrastructure. Ideal candidates have 5+ years experience, actively use AI in their workf...

Join a greenfield AI startup in London redefining innovation discovery and protection. As a Senior Software Engineer, you’ll build production systems from scratch using Java, TypeScript, or Python, integrate with LLMs, and collaborate directly with founders. No legacy code or bureaucracy—just fas...

Senior Embedded Software Engineer sought to architect next-gen motion control systems for robotics and industrial automation. This role demands strong C/C++, ARM, and RTOS/bare metal expertise to optimize real-time algorithms. Based in Gloucestershire, you'll join a global R&D team solving comple...

Principal Software Engineer sought by RX Global in Richmond, UK. Drive domain architecture, mentor senior engineers, and own technical roadmaps for high-impact systems. Requires deep expertise in distributed systems, cloud-native AWS solutions, and legacy modernisation. Lead through influence, ba...

Senior Software Engineer sought in Belfast to build high-quality, scalable applications impacting global users. You will drive technical decisions, mentor junior developers, and apply best practices in security and performance. Ideal for experienced engineers proficient in full-stack development,...

Shape the future of technology as a Senior Software Engineer in Central London. You will explore emerging tech, lead rapid prototyping, and develop secure, cloud-native solutions for unique engineering challenges. This role requires DV security clearance and offers a strong pension, dedicated dev...

Join a pioneering London Hedge Fund as an AI Software Engineer. Leverage your 5+ years of Python expertise and commercial GenAI experience to build a core proprietary AI/ML platform. You will design cutting-edge solutions at the frontier of finance, working directly with front-office stakeholders...

Lead backend development for high-stakes AI systems in London. Design scalable microservices and APIs using Python, PostgreSQL, and Kubernetes. Ensure enterprise-grade reliability for complex data and AI workflows. Join a team turning advanced AI into trusted production tools, with equity offered.

Lead Software Engineer role in London for a live FinTech platform. Design and build scalable, high-throughput backend systems using Golang. Drive architectural evolution to enhance performance, reliability, and low-latency data processing. Offers a strong compensation package with base, bonus, an...

Launch your software engineering career at Softwire as a Graduate Consultant. Join a supportive team in London, Cambridge, or Manchester, solving real-world challenges from AI to digital transformation. Enjoy a profit share, structured training, and benefits like an annual company holiday. Make a...

Join a leading Cambridge tech firm as an Embedded Software Engineer. Develop innovative IoT products using embedded C, Linux, and RTOS. This senior role offers private medical insurance and an EV scheme. Work with a top EU team on cutting-edge and legacy systems.

Join a leading London cybersecurity startup as a Staff Software Engineer. Shape systems and drive technical direction in a high-growth, product-market fit environment. We seek a pragmatic engineer with 5+ years' experience and strong architecture skills. Own problems end-to-end in a scaling, clou...

Join MI5 as a Senior Software Engineer in London or Manchester. Develop secure applications using AWS, Azure, and agile methodologies within multi-disciplinary teams. This role requires DV clearance and offers mentoring opportunities, a dedicated development budget, and excellent benefits.

Lead technical strategy and innovation as a Software Engineer in Sheffield. This hands-on role requires deep architectural expertise to drive solutions and set development standards. You will influence business decisions, mentor teams, and adopt cutting-edge technologies. Strong leadership and co...

Seeking career switchers to become Consultant Software Engineers in London or Cambridge. Blend strategic client advisory with high-level technical partnership, focusing on business transformation and AI solutions. Enjoy exceptional benefits like profit share, a company holiday, and a supportive t...

Join Scale's Global Public Sector team in London as a Senior Full-Stack Engineer. Build impactful AI applications using React, TypeScript, Python, and cloud platforms. Partner directly with clients to deploy and architect scalable, production-grade solutions.

Join Microsoft AI's health team in London as a Principal Software Engineer. You will translate cutting-edge AI research into transformative products, building a world-class health companion. We seek an expert in scalable systems (C#, Python, etc.) with a passion for robust, user-centric engineeri...

Join a leading crypto company in London as a Senior Backend Engineer. Design and scale high-performance, event-driven systems for real-time blockchain transactions. Leverage your expertise in distributed systems and Python/C++/Java, with a move to Rust. Build impactful infrastructure in a fast-pa...