Software Senior Engineer United Kingdom Jobs (Remote work)

Senior Software Engineer sought to build core systems and infrastructure for a fast-scaling tech platform. This remote UK role offers end-to-end ownership, architectural influence, and work on products for a growing customer base. Requires 4+ years’ experience, strong Python/TypeScript, scalable ...

Senior Software Engineer (DevOps) sought for a customer-facing role in London, UK. You will design, build, and operate secure, cloud-native, AI-enabled solutions with a strong automation-first mindset. Key requirements include expertise in CI/CD, Infrastructure as Code (Terraform, Ansible), and C...

Senior Software Engineer sought to design secure, scalable SDKs and backend services for payment devices. Requires 5+ years’ experience, advanced C# or Java, and deep knowledge of SDLC, design patterns, and security (OWASP, PCI). Based in the UK with a remote-first culture, flexi-time, 25 days ho...

Join a world-class team as a Senior Software Engineer, working remotely from the UK. You’ll master modern C++ and transition into ML, with a focus on quality over long hours. We seek 3+ years of C++ experience, a top-tier degree, and strong data structures skills. Enjoy a six-figure salary, real ...

Senior Software Engineer sought by SourceWhale, the Financial Times’ fastest-growing software company in Europe 2025. You will lead complex technical delivery, drive architectural excellence, and mentor engineers in a remote/hybrid UK-based role. Key requirements include strong Python backend ski...

Senior Software Engineer sought for a fully remote UK role with a cloud-native leader in child safety technology. You will design and build high-performance backend services using Golang and GCP, alongside frontend work with TypeScript and React. Key requirements include microservices, SQL, CI/CD...

Senior Software Engineer (C++ / Algorithms) sought to build a high-performance visualization engine in the UK. This role demands strong C++ skills, deep computer science fundamentals, and a passion for solving complex algorithmic and graphical problems. Join a culture of technical excellence, foc...

Senior Software Engineer sought to design and deliver scalable micro frontend architectures using React, TypeScript, and NestJS. This UK-based role focuses on building high-performing, secure applications with a DevSecOps mindset. You will mentor engineers, drive CI/CD improvements, and shape tec...

Join Confluent as a Senior Software Engineer in the UK. Design and build Golang infrastructure services on our cloud-native, Kafka-based PaaS platform. We seek experts in cloud infrastructure, distributed systems, and Go/Python/C++. Enjoy a remote-first culture, equity, and robust benefits.

Join Confluent as a Senior Software Engineer II to build our leading cloud-native PaaS for streaming data. You'll design and maintain Golang infrastructure services on Kubernetes within a remote-first UK team. We seek 6+ years in cloud infrastructure, distributed systems, and proficiency in Go, P...

Join Caribou as a Senior Software Engineer in London. Own our full-stack monorepo, using React/TypeScript and Golang to build our tax platform. We seek 5+ years of full-stack experience with cloud services and a drive for architectural excellence. Enjoy competitive salary, EMI options, health ins...

Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...

Join our Core team as a Senior Java Software Development Engineer. You will build the distributed, low-latency engine at the heart of the Hazelcast Platform. We require strong Java proficiency, experience with complex backend systems, and deep concurrency knowledge. This UK-based role offers exce...

Join Twilio's SDK Engineering team in the UK as a Senior Software Engineer. Design and build scalable backend systems and GraphQL layers for Contact Center products using Java/Scala. Champion reliability, mentor peers, and enjoy competitive pay, generous leave, and comprehensive benefits.

Join ClickHouse as a Senior Full Stack Engineer for the critical ClickPipes Platform. Build scalable React/TypeScript applications and backend systems at petabyte scale. Enjoy a remote role with autonomy, equity, and a flexible, distributed team environment in the UK.

Join ClickHouse Cloud as a Senior Software Engineer in London. Design and build robust, scalable cloud infrastructure using Go and Kubernetes on AWS/Azure/GCP. Enjoy a flexible remote role with equity, healthcare, and a home office stipend in a globally distributed team.