Latest software engineer Jobs

Frontend Software Engineer, Codex App

This role involves building and refining the frontend of the Codex desktop app and IDE extension, focusing on high-performance, polished UI and seamless human-agent collaboration. You will work closely with design and backend teams to create intuitive, responsive interfaces and improve the overall user experience.

OpenAI London, United Kingdom

Permanent

Senior Software Engineer, Data & Orchestration

This role involves designing and evolving scalable data pipeline and orchestration infrastructure to support Wayve’s autonomous driving systems. The engineer will revamp the existing Harness system and build a new DAG-based workflow platform to handle high-volume data from vehicle fleets and external sources. The position emphasizes reliability, efficiency, and usability across distributed data processing, batch inference, and incident response workflows.

Wayve London, United Kingdom

Senior Software Engineer, AI Inference Systems

Design and optimize high-performance AI inference systems for large-scale models using NVIDIA's latest GPU hardware. Develop and enhance inference frameworks like vLLM, implement advanced parallelism techniques, and build optimized GPU kernels. Contribute to compiler infrastructure, benchmarking, and distributed scheduling for multi-node, multi-cloud deployments. Integrate research innovations into production software and publish original work in ML systems.

NVIDIA PLN 292,500 – PLN 650,000 pa

Remote Permanent

Senior Software Engineer, AI Inference Systems

Design and optimize high-performance AI inference systems for large-scale models using cutting-edge GPU hardware. Develop and enhance inference frameworks like vLLM, implement advanced parallelism techniques, and contribute to compiler and kernel optimization. Collaborate across teams to improve performance across multi-GPU and multi-cloud environments, with opportunities to publish research and influence industry benchmarks.

NVIDIA PLN 292,500 – PLN 650,000 pa

Remote Permanent

Specialist Software Engineer

This role involves leading high-impact technical projects within Darktrace’s R&D team, focusing on advancing AI-driven cybersecurity solutions to counter novel threats. The engineer will drive innovation through rapid prototyping, mentor team members, and shape strategic technical direction. Collaboration with cross-functional teams and executive communication are key aspects of the position.

Darktrace

Staff Software Engineer, Kubernetes Platform

This role involves owning and scaling Kubernetes control plane components to support Anthropic's large-scale AI training infrastructure. You'll extend the scheduler for topology-aware and gang scheduling of ML workloads, operate core cluster services like service discovery, and ensure high availability across multi-cloud accelerator fleets. The work is deeply technical, focusing on reliability and performance at extreme scale in collaboration with research and inference teams.

Anthropic London, United Kingdom £325,000 – £485,000 pa

Lead Software Engineer

Lead a product squad in technical decision-making and architectural direction, driving AI-powered feature development using LLMs, RAG, and agent frameworks within a regulated financial services environment. Mentor engineers while delivering production-grade, full-stack systems on AWS with Node.js, Python, and React. Collaborate across platform teams to build reusable, compliant-by-design solutions that integrate cutting-edge AI tooling across the SDLC.

Aveni United Kingdom

Remote Permanent

Senior Software Engineer

Design and build scalable, cloud-native systems and user interfaces that integrate LLM-powered capabilities into financial workflows. Work closely with AI and product teams to deliver production-ready agentic systems on AWS. Focus on event-driven microservices, React front-ends, and robust APIs using Node.js and TypeScript.

Aveni United Kingdom

Remote Permanent

Staff+ Software Engineer, Safeguards Infrastructure

Build and maintain foundational systems for AI safety, oversight, and intervention mechanisms, focusing on detecting unwanted model behaviors and preventing misuse. Develop infrastructure for data management, evaluation systems, and tooling for human and agentic review while ensuring high operational reliability at scale. Work closely with cross-functional teams to implement robust, multi-layered defenses in a safety-first AI environment.

Anthropic London, United Kingdom £325,000 – £395,000 pa

Senior Software Engineer

This role involves owning the full application and integration layer for AI-powered products, with responsibilities spanning backend services, API design, MCP integrations, agent-to-agent connectivity, and frontend development using React and TypeScript. The engineer will build scalable, secure, and observable systems that bridge AI capabilities with end-user and internal product interfaces. A strong focus is placed on architectural ownership, AI-specific UX patterns, and robust integration across distributed systems.

The Portfolio Group London, United Kingdom £90,000 pa

Staff Software Engineer - Machine Learning

This role involves leading the technical strategy for ML/AI use cases in the UK, coordinating ML engineering efforts across multiple teams, and providing technical consultancy. You will drive MLOps standards, collaborate with data science teams, and represent Capital One in external ML/AI forums.

Capital One Bunhill, London, United Kingdom

Hybrid Permanent

Senior Software Engineer

This role involves designing and building applications for complex Defence and National Security programmes, working across the full development lifecycle from proof of concept to production. You will develop backend services, APIs, databases, and user interfaces, and deploy applications in cloud and on-premise environments.

FryerMiles Newcastle upon Tyne, United Kingdom £65,000 – £90,000 pa

Senior Software Engineer C++

This role involves designing and developing production software in C++, shaping the platform's architecture, and turning research prototypes into reliable, maintainable product capabilities. You will work closely with researchers and software engineers to improve performance, reduce complexity, and integrate various components.

Understanding Recruitment London, United Kingdom £10,000 – £80,000 pa

Lead Software Engineer

Lead a growing engineering team while shaping the technical direction of AI-powered broadband products. Design scalable architectures, integrate LLMs with vector search and automation tools, and solve national-scale connectivity challenges using Laravel, React, Python, and AWS. Mentor junior engineers and drive innovation in a high-growth startup environment.

Broadband (UK) Limited Canary Wharf, London, E14 5AB, United Kingdom

Senior Software Engineer (C++ & Swift)

You will develop and maintain the macOS codebase using modern C++ and Swift, contributing to the design and implementation of innovative cybersecurity solutions. The role involves rapid prototyping, structured development of platforms, and mentoring team members. You will work closely with cross-functional teams, participate in code reviews, and help advance Darktrace’s AI-driven methodology for detecting and responding to unknown cyber threats.

Darktrace Cambridge, CB2 3BJ, United Kingdom