Latest software engineer Jobs

Software Engineer, Real Time

About the TeamWe bring OpenAI's technology to the world through products like ChatGPT and the OpenAI API. Our customers build fast-growing businesses around our APIs, which power products that were never before possible. We simultaneously ensure that our powerful tools...

OpenAI United Kingdom

Permanent

Software Engineer, Habitat (Online Data)

About the teamOnline Data builds and operates Habitat, the single product surface of Online Data and the system of record for OpenAI’s online user data. As OpenAI’s scale and product requirements evolve, Habitat is becoming a full-stack, one-size-fits-most database platform...

OpenAI United Kingdom

Permanent

Software Engineer - Data Science

This role involves working on a concept programme, shaping future products by building scalable systems with embedded data science capabilities. You'll work with complex datasets and translate experimental ideas into production-ready solutions, collaborating with a team of skilled professionals on classified projects.

Cirrus Selection Bs347Qs, BS34 7QS, United Kingdom £55,000 – £65,000 pa

On-site Permanent Clearance Required

Software Engineer / Senior QA & Test - DO

This role involves leading and supporting verification and validation activities for safety-critical AI systems, ensuring compliance with DO-178C standards. You will develop and execute test strategies, produce compliance documentation, and work closely with software, systems, and AI/ML teams to ensure certification readiness.

DCS Recruitment Oxfordshire, United Kingdom

Hybrid Permanent

Software Engineering Team Lead

This role involves leading a team of four senior engineers in developing modern software solutions for financial analysis, including discounted cashflow projections and Monte Carlo simulations. The Tech Lead will balance hands-on Python development with technical leadership, Agile practices, and client engagement, while championing AI-assisted and agentic engineering workflows.

Intec Select Se19Sg, SE1 9SG, United Kingdom £650 – £750 pa

Remote Contract

Software Engineering Manager - Observability

This role involves managing a team of engineers focused on building quality platforms for observability and tracing. You will participate in architectural design, capacity planning, and team collaboration, while fostering a flexible and healthy work environment. The team works on large-scale distributed systems and cloud environments, with a focus on DevOps practices.

CrowdStrike London, United Kingdom

Hybrid Permanent

Software Engineering Manager - Observability

This role involves managing a team of engineers to build and maintain observability platforms, including metrics and tracing systems. You will participate in architectural design, team planning, and code reviews, while fostering a culture of collaboration and innovation.

CrowdStrike Denmark

Hybrid Permanent Flexible

Software AI Engineer

This role involves building LLM-based solutions in a high-growth FinTech, working in a multi-disciplinary team to turn innovative ideas into production-ready AI products. The Software AI Engineer will have end-to-end project exposure, a strong focus on AI security, and the opportunity for extensive personal and career development.

SF Partners United Kingdom £60,000 – £70,000 pa

Remote Permanent

Embedded Software Engineer

This role involves designing, developing, and optimizing embedded software for mission-critical RF and signal processing systems. You will work on integrating software onto FPGA-based and embedded hardware platforms, conduct trade-off analysis, and ensure robust, scalable, and maintainable implementations within secure environments.

Forward Role Cheltenham, United Kingdom £55,000 – £90,000 pa

On-site Permanent Clearance Required

Staff Software Engineer, Voices

This role involves working on the core systems that power Synthesia’s script preview and voice generation, ensuring high-quality voiceovers across multiple languages and providers. You will design and evolve backend services, handle provider reliability, and contribute to user-facing product problems, collaborating closely with frontend and R&D teams.

Synthesia London, United Kingdom £50,000 pa

Remote Permanent

Frontend Software Engineer (JavaScript / TypeScript & React)

Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly 10,000 organizations from unknown threats using its proprietary AI.The...

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Senior Software Engineer, Chem-Bio

This role involves designing and building reliable systems for a research-focused team, translating complex research needs into scalable and maintainable software. The engineer will work closely with researchers, own significant technical projects, and contribute to engineering standards and practices within a growing, interdisciplinary team.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required

Senior Software Engineer

As a Senior Software Engineer in the Backend team, you will design and maintain large-scale distributed systems, lead technical initiatives, and integrate AI tools like Claude Code, Gemini, and GitHub Copilot into your workflow. You will work closely with business and product partners to translate requirements into engineering solutions, ensuring high-quality standards and continuous process improvements.

Ocado United Kingdom

Hybrid Permanent

Lead Software Engineer

As a Lead Software Engineer with a focus on Machine Learning, you will set the technical direction and oversee the delivery of complex AI projects. You will work on high-risk, ill-defined projects, design production-grade ML systems, and mentor team members while driving innovation and reusable solutions across the organization.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Software Engineer

This role involves working on the Faculty Frontier platform, a cutting-edge AI product that unifies decision intelligence with AI agents. You will tackle complex technical challenges, collaborate with cross-functional teams, and lead the technical delivery of customer-facing projects while mentoring junior engineers.

Faculty AI London, United Kingdom

Hybrid Permanent