Latest Software Engineering Jobs

Senior Member of Technical Staff, Synthetic Data

This role involves designing and building scalable inference pipelines for synthetic data, conducting data ablations, and implementing innovative synthetic data curation methods. You will work with large-scale datasets and collaborate with cross-functional teams to enhance model performance and drive advancements in natural language processing.

Cohere London, United Kingdom

Remote Permanent

Senior Member of Technical Staff, Web Data

This role involves developing and maintaining large-scale web data pipelines for pre-training advanced language models. Responsibilities include processing web corpora, filtering and quality-scoring systems, and collaborating with cross-functional teams to enhance model performance.

Cohere London, United Kingdom

Remote Permanent

Data Scientist

A Data Scientist in the Delivery team will work directly with customers and engineering teams to transform AI models into practical tools for solving complex physics and engineering problems. The role involves preprocessing data, building deep learning models, and deploying scalable data pipelines, with integration into simulation workflows. Frequent travel and on-site collaboration with clients across industries like aerospace, energy, and semiconductors are key aspects of the role.

PhysicsX United Kingdom US$120,000 – US$240,000 pa

Applied Scientist - All Levels

Conduct research to develop physical foundation models using machine learning for engineering applications, translating complex physics problems into mathematical formulations. Collaborate with ML engineers, simulation experts, and customers to build AI-driven simulation tools that solve real-world challenges in advanced industries. Publish findings in top-tier venues and guide technical direction through experimentation and innovation.

PhysicsX United Kingdom

Hybrid Permanent

Principal Software Engineer - Cititec Talent Ltd

This role involves designing and delivering high-performance trading systems, building real-time data pipelines, and integrating market data feeds. You will lead technical initiatives, mentor engineers, and partner with senior client stakeholders to shape data and platform architecture in the capital markets domain.

eFinancialCareers London, United Kingdom

On-site Permanent

Senior Software Engineer, JAX

Design and implement core components of the JAX framework to optimize performance on NVIDIA's AI platforms, particularly for deep learning and numerical computing. Collaborate with researchers and engineers to bridge cutting-edge research with real-world applications. Focus on modularity, speed, and integration across distributed GPU environments.

NVIDIA Switzerland PLN 292,500 – PLN 650,000 pa

Remote Permanent

Senior Software Engineer, JAX

Design and implement core components of JAX to optimize deep learning performance on NVIDIA hardware. Collaborate with AI researchers to bridge cutting-edge numerical computing research with real-world applications. Develop tools that improve efficiency across AI development teams, focusing on modularity, speed, and scalability.

NVIDIA £292,500 – £650,000 pa

Remote Permanent

Full-Stack Software Engineer, Model Development Platform

Design and build full-stack applications that streamline model development workflows for autonomous driving systems, including experiment scheduling, evaluation, and on-road testing. Collaborate closely with researchers and engineers to deliver scalable, secure backend services and intuitive web interfaces. Take technical ownership from concept to production, with a focus on reliability, observability, and system integration.

Wayve United Kingdom

Full-Stack Engineer (Backend Leaning) - Platform Engineering

This role involves building and maintaining the core platform that underpins ElevenLabs' products, focusing on user management, permissions, and resource services. You will work closely with sales, customer teams, and other engineers to ensure the platform is secure, scalable, and reliable.

ElevenLabs United Kingdom

Remote Permanent

Senior Java Engineer - mthree

This role involves leading the architectural evolution and scaling of a high-throughput platform for a global financial institution. Responsibilities include influencing system design, driving automation, and optimizing performance for a platform processing millions of complex operations monthly.

eFinancialCareers London, United Kingdom

On-site Permanent

Applied AI Engineer, Quants

This role involves working directly with quantitative investment and trading firms to apply OpenAI’s models and Codex to their research and development workflows. Responsibilities include identifying valuable opportunities, building and deploying AI systems, and guiding technical decisions to ensure production readiness and sustained adoption.

OpenAI London, United Kingdom

Hybrid Permanent

Postdoctoral Research Assistant in Machine Learning

This role involves researching the safety, security, control, and capabilities of advanced AI systems, particularly focusing on autonomous and agentic models. Responsibilities include investigating adversarial robustness, AI control, and developing methods to identify systematic vulnerabilities in AI systems.

University of Oxford Oxford, South East England, United Kingdom £39 – £47 pa

On-site Contract

Fullstack Engineer

This role involves developing scalable backend services using Golang and Python, building modern frontends with React and TypeScript, and designing APIs and distributed systems for real-time video and sensor data. You will collaborate closely with product and ML engineers to deliver AI-powered features, taking ownership from design to production.

Salt Search London, United Kingdom £70,000 – £100,000 pa

Senior Researcher in Probabilistic Machine Learning for AI Governence

This role involves leading research on Bayesian methods for evaluating and monitoring AI systems, publishing findings, and guiding research assistants and students. The position is based in the Bayesian Governance Lab at the University of Oxford, with a focus on sequential Bayesian inference and experimental design.

University of Oxford Oxford, South East England, United Kingdom £49 – £59 pa

Contract

Python Developer

This role involves developing, testing, and maintaining Python software for defence cloud integration, contributing to data and AI projects, and supporting DevOps and infrastructure. You will work with modern DevOps tools like Red Hat OpenShift, HashiCorp Vault, and Tekton Pipelines, and collaborate with engineering teams using Jira.

Matchtech Cambridgeshire, United Kingdom £450 – £650 pd

Contract Clearance Required