Software Senior Engineer United Kingdom Jobs

Join ClickHouse to revolutionize developer observability with HyperDX. As a Senior Infrastructure Engineer, you'll build scalable, cloud-native backend systems using TypeScript, Kubernetes, and ClickHouse. This remote UK role offers equity, healthcare, and a flexible work environment for experts ...

Join our London team as a Senior Infrastructure Software Engineer. Build and own scalable backend systems for massive AI training datasets using PostgreSQL, ClickHouse, and Python/Typescript. Enjoy a competitive package with equity while solving complex problems in a high-performance, in-person c...

Join a leading digital consultancy as a Contract Senior Fullstack Engineer in London. Design and build high-performance, scalable software systems using Angular, Java, and Node.js. Lead technical decisions, mentor engineers, and drive best practices in a dynamic, project-focused environment.

Join a leading European logistics provider as a Contract Senior Software Engineer. Design, build, and maintain impactful software solutions using Python, React, T-SQL, AWS, and Terraform. Collaborate with cross-functional teams in a fast-paced UK-based role to drive innovation and operational eff...

Join a leading UK D2C health brand as a Senior Full Stack Engineer. Utilize your 8+ years of expertise in C#, .NET, TypeScript, and React to build scalable digital platforms. Enjoy flexible remote work and a bonus while driving innovation in a high-growth environment.

Join our experienced team in London as a Senior Software Engineer for the mission-critical UltraGrid engine. You will architect and optimize high-performance, cost-efficient systems using Java/Scala, with Rust as a bonus. We offer competitive compensation, stock options, comprehensive benefits, a...

Join Instro in Sandwich as a Senior Software V&V Engineer. Develop robust test environments and processes for new product firmware within an agile, multi-disciplinary team. This role requires SC clearance eligibility and offers a competitive package including profit sharing.

Join Lunar Energy as a Senior Software Engineer for Internal Tools. Develop high-impact Python tools and automation to boost productivity across our cross-atlantic teams. You'll architect solutions, manage data lakes, and integrate systems using AWS and IaC. Enjoy a competitive package with stock...

Join Made Tech to use your software engineering skills for public good. As a Senior Software Engineer, you'll deliver impactful digital services across the UK government and NHS. This remote-friendly role requires agile experience, cloud platform knowledge, and eligibility for SC clearance. Enjoy...

Join Dalet as a Senior Software Engineer in London. Develop core C++ applications for media processing, transcoding, and rendering within a broadcast/film environment. Collaborate with talented teams in a dynamic, global company offering excellent career growth. Revolutionize media workflows in a...

Join our mission-driven UK team as a Senior Software Engineer. Leverage your deep full-stack expertise in TypeScript, Python, and AWS/GCP to build and run revolutionary products. Enjoy a collaborative, remote-friendly culture with a strong focus on product impact and modern engineering practices.

Join TxODDS in London as a Senior Software Engineer. You will design scalable solutions using Scala, Kafka, and SQL, while championing simplicity and best practices. This strategic role involves mentoring, architectural decisions, and pioneering AI-assisted development for global sports betting t...

Join Perk as a Senior Software Engineer in Edinburgh. Develop our next-gen travel & spend platform using Python/Django and/or React. We seek an expert full-stack developer with a product mindset, passion for quality, and Agile experience. Enjoy competitive pay, equity, private healthcare, and amp...

Join Anaconda's Desktop team as a Senior Software Engineer to redefine tools for data scientists. You'll build a next-gen Electron app with React/TypeScript, integrating Python environments and AI tools. Enjoy a UK remote role with comprehensive benefits and a focus on user-centric development.

Lead the design and scaling of a planet-scale cloud control plane for global IoT fleets at Axon. This senior role requires 10+ years in distributed systems, deep expertise in Go, Kubernetes, and cloud-native security. Based in London, you'll directly impact public safety while enjoying a competit...

Join Arrcus as a Senior Software Engineer in the UK. You will qualify key customer deployments, focusing on networking protocols like IPv4/IPv6, MPLS, and EVPN. The role requires strong Python skills, test automation, and experience with Spirent/IXIA equipment. We offer competitive bonus + equity...

Join Matillion in Manchester as a Senior Front End Software Engineer. Utilize your expertise in React, TypeScript, and modern UI architecture to build performant, user-centric applications. You will leverage AI-powered tools, own features through the full SDLC, and enjoy benefits like equity and ...

Join a high-profile project as a Senior Java Engineer, focusing on backend systems for complex financial and actuarial data. This contract role requires strong expertise in the Spring ecosystem and AWS with IaC tools like Terraform. Deliver scalable solutions in a regulated UK environment, workin...

Join a pioneering UK organisation to shape the future of digital finance as a Senior Software Engineer. Develop cutting-edge blockchain solutions using Solidity, TypeScript, and EVM. Build scalable DeFi systems and user interfaces in a fully remote, high-impact role with competitive benefits.

Join a scaling Tech for Good company in London as a Senior Embedded Software Engineer. You will design and test firmware for embedded systems, using your 5+ years of C expertise in IoT and wireless communications. This hybrid role offers the chance to work on data-driven, AI-first solutions with ...