Software Engineer

5 days ago


City of London Greater London, United Kingdom PhysicsX Full time

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. By enabling high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, PhysicsX unlocks new levels of optimization and automation in design, manufacturing, and operations — empowering engineers to push the boundaries of possibility. Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive.
Work closely with our research scientists and simulation engineers to build and deliver models that address real-world physics and engineering problems.
Design, build and optimise machine learning models with a focus on scalability and efficiency in our application domain.
Transform prototype model implementations to robust and optimised implementations.
data parallelism, parameter server, etc.) for multi-node/multi-GPU training and explore federated learning capacity using cloud (e.g., AWS, Azure, GCP) and on-premise services.
Work with research scientists to design, build and scale foundation models for science and engineering; helping to scale and optimise model training to large data and multi-GPU cloud compute.
Own Research work-streams at different levels, depending on seniority.
Work at the intersection of data science and software engineering to translate the results of our Research into re-usable libraries, tooling and products.
Foster a nurturing environment for colleagues with less experience in ML / Engineering for them to grow and you to mentor.
Enthusiasm about developing machine learning solutions, especially deep learning and/or probabilistic methods, and associated supporting software solutions for science and engineering.
Ability to work autonomously and scope and effectively deliver projects across a variety of domains.
MSc or PhD in computer science, machine learning, applied statistics, mathematics, physics, engineering, software engineering, or a related field, with a record of experience in any of the following:
Scientific computing;
High-performance computing (CPU / GPU clusters);
Parallelised / distributed training for large / foundation models.
~ 1 years of experience in a data-driven role, with exposure to:
~ scaling and optimising ML models, training and serving foundation models at scale (federated learning a bonus);
~ Spark, Dask) and high-performance computing frameworks (MPI, OpenMP, CUDA, Triton);
~ AWS, Azure, GCP);
~ building machine learning models and pipelines in Python, using common libraries and frameworks (e.g., C/C++ for computer vision, geometry processing, or scientific computing;
~ software engineering concepts and best practices (e.g., 10% employer pension contribution – invest in your future.
~ Free office lunches – great food to fuel your workdays.
~ Flexible working – balance your work and life in a way that works for you.
~ Hybrid setup – enjoy our new Shoreditch office while keeping remote flexibility.
~ Enhanced parental leave – support for life’s biggest milestones.
~ Private healthcare – comprehensive coverage
~ Personal development – access learning and training to help you grow.
~ Work from anywhere – extend your remote setup to enjoy the sun or reconnect with loved ones.

We value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity. To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics.
We collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with UK employment and equality legislation.



  • Greater London, United Kingdom Software Development & Engineering Full time

    🔥 Principal Software Engineer - Lead the Future of UK GovTech Innovation 💰 Up to £100,000 + Premium Benefits Package 🏡 Remote-First | Just 1 Day Onsite Every 2 Weeks 🔐 SC Clearable | British Citizens Only 🚀 Where Technology Meets Purpose Are you ready to lead engineering efforts that directly impact national security, public services, and...


  • Greater London, United Kingdom SLK Software Full time

    A global technology services provider in Greater London is seeking a Technical Leader - Software to provide architecture direction, ensure quality deliverables, and interact with stakeholders to meet project requirements. The ideal candidate will have 8 to 10 years of IT experience focused on software development, and must possess strong engineering and...


  • Greater London, United Kingdom SLK Software Full time

    A global technology services provider is looking for a Technical Leader - Software in Greater London. This role involves leading analysis and design models, ensuring quality deliverables, and interacting with stakeholders to meet expectations. Candidates should have 8 to 10 years of IT experience in development, a strong grasp of engineering concepts, and an...

  • Software Engineer

    4 weeks ago


    City of London, Greater London, United Kingdom Oho Group Ltd Full time

    Software Engineer - Early-Stage Technology Start-Up - London We are hiring for a Software Engineer to join an exceptional founding team within an early-stage Technology and Security start-up. You will be working directly with the founders on a software platform of a unique hardware product. This is a unique opportunity to join a start-up at its earliest...


  • Greater London, United Kingdom SLK Software Full time

    A global technology services provider in Greater London is seeking a Technical Leader - Software. The role involves ownership of analysis and design models, ensuring quality in project deliverables, and collaborating with both technical and business stakeholders. Candidates should have 8 to 10 years of IT experience in development, with a strong background...

  • C++ Software Engineer

    4 weeks ago


    City of London, Greater London, United Kingdom Miller Maxwell Ltd Full time

    C++ Software Engineer - Linux - Unix - STL - High-Performance Systems - x2 days in London office required. Miller Maxwell is assisting a highly reputable organisation seeking to expand their core engineering team. A C++ Software Engineer is required to start in January 2026 or February 2026 to join a low-latency trading team working on the design,...


  • City of London, Greater London, United Kingdom Acquired Talent Ltd. Full time

    Senior Software Engineer / Python / TypeScript / AI / Start-up / Fullstack Senior Software Engineer Salary: £200-275K Meaningful Equity Location: Liverpool Street, Central London Zone 1 We’re on the lookout for a Senior Software Engineer (TypeScript / Python) for a revolutionary AI workflow start-up that are helping real consumers across the globe. They...

  • DevOps Engineer

    2 weeks ago


    City Of London, United Kingdom Acre Software Full time

    Acre is rebuilding the UK’s £1.4 trillion mortgage market from the ground up, with a completely new, end-to-end management system for mortgages. Our platform cuts out the unnecessary admin, pain and friction from buying a home. We're covering the entire journey, from figuring out what you can borrow, to getting your keys. We're guided both by the voice of...

  • Software Engineer

    3 weeks ago


    City of London, Greater London, United Kingdom Harrington Starr Full time

    NestJS Developer Salary: £80’000 plus bonus and benefits. NestJS, NodeJS, TypeScript, Cloud Tech, CI/CD, AI, ML Harrington Starr has partnered with an innovative Technology SaaS Company that specialise in developing unique software systems for clients for across Property Management for both commercial and private consumer markets. This is an exciting...


  • City of London, Greater London, United Kingdom FYRE Global Full time

    Senior Software Engineer – Node.js / Backend Development – London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small, but ambitious tech-for-good / IoT...