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, 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

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 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

AI Software Engineer

This role involves designing, building, and deploying AI-powered applications and integrations to improve business processes across finance, billing, field operations, and customer service. You will work closely with the Director of Data and Business Optimisation to establish the infrastructure, development processes, and deployment frameworks for AI solutions, taking ownership from concept to deployment.

Coburg Banks Rochdale, United Kingdom £65,000 – £70,000 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

Senior Software Engineer - AI Products SVP - Citi

This role involves designing and building production-grade AI software solutions for enterprise use within a regulated banking environment. The engineer will work on cutting-edge Generative AI applications such as intelligent document processing, fraud detection, and cross-language translation, turning ambiguous problems into scalable, auditable systems. Collaboration with product, risk, and engineering teams is central, with a strong emphasis on resilience, explainability, and technical leadership.

eFinancialCareers London, United Kingdom

Forward Deployed Engineer - Software Engineer - United Kingdom

This role involves working closely with ElevenLabs' most strategic customers to design and implement high-impact technical solutions. Responsibilities include full ownership of major projects, collaborating with customer teams, and driving innovation through coding and problem-solving.

ElevenLabs London, United Kingdom

Remote Permanent

Senior AI Software Engineer

Design and deploy production-grade AI and machine learning systems within a data-led organisation focused on innovation. Collaborate with cross-functional teams to build scalable data and AI pipelines, improve model performance, and shape engineering best practices. Work in a modern tech environment with a strong emphasis on real-world impact and technical excellence.

Harnham - Data and Analytics Recruitment London, United Kingdom £100,000 – £120,000 pa

Hybrid Permanent