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Software Engineer United Kingdom Jobs (On-site work)

66 Job Offers

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Software Engineer Intern, Agent (London 2027)
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Principal Python Software Engineer
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Staff Software Engineer - Streaming
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Staff Software Engineer - Security
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Flow Engineering seeks its first dedicated Staff Software Engineer - Security in London to own security architecture for an AI-native requirements platform. Define secure design, harden cloud infrastructure, drive SOC 2 and ITAR readiness, and secure LLM and agentic systems.
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Software Engineer, Internship - Sovereign AI Systems
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Join Palantir as a Software Engineer Intern in London and build production systems for sovereign AI infrastructure. Work on agentic workflows, APIs, and evaluation pipelines with hands-on mentorship. Requires CS or related degree and coding skills in Java, Python, C++, or similar.
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Vehicle Dynamics Software Engineer Graduate
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Join Bosch as a Vehicle Dynamics Software Engineer Graduate in Nuneaton. Develop customer-specific software for longitudinal and lateral dynamics within Electronic Stability Control. Great start for ambitious graduates.
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Software Engineer Intern (2027)
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Join Cloudflare as a Software Engineer Intern in London for 2027. Work on real projects with TypeScript, Go, Rust, C/C++ or Python, ship code at global scale, and grow with mentorship over 12-14 weeks.
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Software Engineer (Mobile) - London
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Join Teton as a Mobile Software Engineer in London and build React Native apps that transform healthcare with AI. Work across the stack with TypeScript, AWS and real-time systems. Enjoy stock options and tangible impact.
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Graduate Software Engineer (DV Commodities)
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Join DV Commodities as a Graduate Software Engineer in London, building proprietary trading tools with C++ and Python in Linux environments. Work onsite 5 days a week with traders and researchers on latency-sensitive solutions.
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Software Engineer
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Join Averna in Christchurch as a Software Engineer developing test and measurement solutions for aerospace and defence. Requires C/C++, C#, LabVIEW or Python skills and strong software design knowledge.
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Software Engineer (Frontend) - London
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Join Teton as a Frontend Software Engineer in London and build AI-driven healthcare products with TypeScript and React. Own features end-to-end, shape code quality, and make a real impact on care teams.
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Software Engineer, Agent (New Grad 2027)
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Join Sierra as a New Grad Software Engineer in London building production-grade AI agents for major brands. Own the full agent lifecycle, solve real customer problems, and enjoy unlimited PTO and great benefits.
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Lead Software Engineer
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Lead Software Engineer role in London with a fast-growing Cloud scale-up backed by record Series A funding. Build distributed systems from 0-1 using Golang, Rust, Java or C/C++, with Kubernetes and cloud-native tech. Bonus and stock offered.
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110000.00 - 130000.00 GBP / Year
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Senior/Staff Software Engineer - AI
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Flow Engineering seeks a Senior/Staff Software Engineer in London to build AI-powered requirements tools. Requires 5+ years in production software, LLM expertise, and full-stack skills. Join a fast-paced, AI-native team.
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Senior Embedded Software Engineer
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Senior Embedded Software Engineer role in London to own DX-1 platform firmware end to end. Requires strong C on bare metal, C/C++ on Linux, RTOS or kernel/driver depth, and hardware bring-up skills.
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Architect/Staff Embedded Software Engineer
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OLIX seeks an Architect/Staff Embedded Software Engineer in London to lead platform firmware for its DX-1 decode accelerator. Requires bare-metal/RTOS and embedded Linux BSP depth, silicon bring-up experience, and OpenBMC knowledge.
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Software Engineer, Internship - Query Engines
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Join Palantir's London team as a Software Engineer Intern on Query Engines, working on data processing infrastructure for Foundry. Requires strong CS fundamentals, Java/Rust/Scala/C++ skills, and a 2028 graduation plan.
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Software Integration and Verification Engineer
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ALTEN seeks a Software Integration & Verification Engineer in Manchester. Requires 5+ years' experience with Linux, Bash scripting, Docker and embedded systems. SC clearance eligibility needed. Apply now!
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40000.00 - 60000.00 GBP / Year
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Senior Software Engineer
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ASOS seeks a Senior Software Engineer in London to join its FinOps team, owning Azure cost data platforms on Databricks and Power BI. Requires strong Azure, Python, DevOps and DAX skills.
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Functional Validation Engineer - Satellite Payload Software- 6 month contract [26176]
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Join HE Space as a Functional Validation Engineer for satellite payload software in Portsmouth. 6-month contract requiring Java, automated testing, Linux and RF equipment expertise.
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About the Software Engineer role

Explore the dynamic and in-demand world of software engineering jobs, where professionals design, build, and maintain the digital infrastructure that powers modern life. Software engineers, often synonymous with developers, are the creative problem-solvers and architects behind websites, mobile apps, operating systems, and complex enterprise systems. This career path blends analytical thinking with creative design to translate user needs and business goals into functional, efficient, and scalable software solutions.

The core responsibility of a software engineer is the full software development lifecycle. This typically begins with analyzing requirements and collaborating with product managers, designers, and other stakeholders. Engineers then design system architecture, write clean and maintainable code, and rigorously test their creations to ensure reliability and performance. A significant part of the role involves debugging issues, optimizing existing systems, and deploying updates. Many engineers also participate in code reviews to maintain quality standards and contribute to technical documentation. In today's agile environments, they often work in iterative cycles, continuously integrating and delivering new features.

Software engineering jobs can be specialized, but common areas include front-end (client-side), back-end (server-side), and full-stack development. Front-end engineers focus on user interfaces and experiences using technologies like HTML, CSS, and JavaScript frameworks. Back-end engineers build the server logic, databases, and application programming interfaces (APIs) that power functionality behind the scenes. Full-stack engineers possess skills across both domains. Other specializations include DevOps, security, data engineering, and cloud-native development.

Typical skills and requirements for these roles are both technical and soft-skills based. Fundamentally, proficiency in one or more programming languages such as Python, Java, JavaScript, C#, or Go is essential. Understanding data structures, algorithms, and system design principles is crucial. Experience with frameworks, databases (SQL and NoSQL), and version control systems like Git is commonly expected. As software is increasingly built for the cloud, familiarity with services from providers like AWS, Azure, or GCP is a valuable asset. Equally important are strong problem-solving abilities, attention to detail, and effective communication skills for teamwork. While many positions require a degree in computer science or a related field, a proven portfolio and relevant experience are also highly valued pathways into software engineering jobs.

The profession offers immense variety, with opportunities to build everything from life-saving health applications and financial platforms to immersive games and cutting-edge AI tools. It is a career characterized by continuous learning, collaboration, and the tangible impact of creating products used by millions. For those with a logical mind and a passion for building, software engineering jobs present a rewarding and future-proof career path with endless possibilities for innovation and growth.