Latest software engineer Jobs

Senior Software Engineer, RL Post-Training Frameworks

Architect and develop scalable reinforcement learning post-training infrastructure that operates across GPUs, CPUs, and LPUs, from single-node experimentation to multi-thousand-node production systems. Work closely with AI researchers and infrastructure teams to optimize distributed training-inference-rollout loops, improve open-source RL frameworks, and integrate with distributed runtimes like Ray and Monarch. Focus on performance, fault tolerance, elastic scaling, and hardware-aware execution for next-generation AI workloads.

NVIDIA Germany

Remote Permanent

Senior Software Engineer, RL Post-Training Frameworks

This role involves designing and building scalable reinforcement learning (RL) post-training infrastructure that supports the full lifecycle of training, inference, and rollout across heterogeneous hardware. The engineer will optimize distributed systems for performance, fault tolerance, and efficiency, working closely with AI researchers and infrastructure teams. Key responsibilities include improving open-source RL frameworks, enabling CPU- and GPU-accelerated workloads, and collaborating with hardware and compiler teams to support next-generation AI capabilities.

NVIDIA

Remote Permanent

Staff Software Engineer, Inference

About AnthropicAnthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers,...

Anthropic London, United Kingdom

Staff+ Software Engineer, Safeguards Infrastructure

About AnthropicAnthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers,...

Anthropic London, United Kingdom

Forward Deployed Software Engineer

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX North Tyneside, NE29 8EP, United Kingdom

(Senior) Research Software Engineer– AI Agents for Scientific Discovery

Design and build an AI-agent platform for automated scientific discovery, integrating AI models, biological data, and laboratory automation into robust, reusable workflows. Develop agentic systems for hypothesis generation, experimental planning, and human-AI collaboration within a research-driven environment. Contribute to open-source software, publications, and the technical strategy of a new AI for Biology programme.

Earlham Institute Norwich, South East England, United Kingdom £38 – £52 pa

Contract

AI Security Software Engineer (GenAI & LLM Security)

This role involves designing and building secure platforms to protect enterprise Generative AI and Large Language Model (LLM) applications from emerging threats such as prompt injection and adversarial inputs. The engineer will develop automated security testing frameworks, create robust APIs, and contribute to cloud-native, distributed systems operating at scale. Collaboration with global engineering, cybersecurity, and operations teams is central, with an emphasis on shaping secure AI adoption through resilient software design and best practices in AI security and DevSecOps.

83zero London, City And County Of the City Of London, United Kingdom £85,000 – £90,000 pa

Hybrid Permanent

Senior Full-Stack Software Engineer, (Forward Deployed), GPS

This role involves building full-stack AI applications in collaboration with public sector clients to solve critical challenges. The engineer will architect and deploy production-grade systems, integrate AI models, and work directly within client environments to deliver scalable solutions. Emphasis is placed on rapid iteration, cloud infrastructure, and cross-functional collaboration with design, product, and data teams.

Scale AI London, United Kingdom

Hybrid Permanent Clearance Required

Staff Full-Stack Software Engineer, (Forward Deployed), GPS

This role involves leading the design and implementation of full-stack AI applications for public sector clients, translating complex mission requirements into secure, scalable technical solutions. The engineer will work directly with government teams to build production-grade systems, integrate AI models with interactive UIs and backends, and establish reusable patterns from real-world deployments. It emphasizes architectural leadership, cloud infrastructure governance, and mentoring within high-impact, security-sensitive environments.

Scale AI London, United Kingdom

On-site Permanent Clearance Required

Sr. Software Engineer - Data Query Platform - London

Design and build ultra-high-scale data platforms processing petabytes of data, using Java, Spark/Scala, and AWS to enable efficient querying and analytics for threat detection. Develop fault-tolerant microservices and distributed systems for internal and external customers. Work across the full data lifecycle from ingestion to query frameworks, improving performance and scalability.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Software Engineer, Backend/Cloud , London)

Design and build scalable backend systems for a next-gen AI-native SIEM platform, focusing on case management, threat correlation, and intelligent workflows. Work with distributed systems processing trillions of events daily, using Go, Kubernetes, and cloud platforms. Collaborate across engineering, product, and design to deliver high-impact incident response capabilities.

CrowdStrike London, United Kingdom

Hybrid Permanent

GenAI Engineer

Design and build enterprise-scale generative AI platforms, including chatbots, RAG systems, and agentic workflows, integrated into financial data products. Develop production-ready AI infrastructure using Python, LangChain, and cloud technologies on AWS or Azure. Collaborate across engineering and product teams to deploy scalable, full-stack AI solutions that deliver real-time business impact.

Randstad Technologies Recruitment London, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent

Technical Lead/Engineer Lead - London

Lead and shape software engineering initiatives across diverse client projects, driving technical excellence and innovation through modern architectures and practices. Collaborate with cross-functional teams to deliver scalable solutions using cloud platforms, infrastructure-as-code, and advanced CI/CD pipelines. Provide technical leadership throughout the full software development lifecycle, from proposal to production, while mentoring teams and influencing client strategies.

Evolve Recruitment Partners Ltd Sw1E5Dn, SW1E 5DN, United Kingdom £71,000 – £113,000 pa

Hybrid Permanent Clearance Required

Software Solution Architect

Designs and governs software architecture and CI/CD pipelines for autonomous military systems, integrating robotics, computer vision, sensor fusion, and simulation platforms. Ensures scalable, maintainable, and safety-compliant software frameworks in a defence R&D environment, supporting real-world field trials with military users.

KO2 Embedded Recruitment Solutions Heddon on the Wall, Northumberland, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent Clearance Required

Engineering Technician

The role involves building, testing, and maintaining autonomous vehicle prototypes and Hardware-in-the-Loop (HIL) systems, with a focus on high-performance compute and sensor integration. You'll diagnose and repair hardware failures, support system commissioning, and collaborate closely with engineering teams to improve designs. The position emphasizes hands-on workshop work, technical problem-solving, and maintaining organized, reproducible processes in a fast-paced R&D environment.

Wayve London, United Kingdom

Hybrid Permanent