24 of 24 Open Source Jobs in the City of London

Research Engineers | Frontier AI Lab I am partnering with a high-growth Frontier AI Lab, developing an open-source platform to unify structured and unstructured data into advanced knowledge graphs. The company is now expanding its research team and seeking exceptional AI Research Engineers to contribute … role focused solely on applying existing models. Responsibility: • Designing and developing novel model architectures in-house • Post-training and adapting state-of-the-art open-source foundation models • Owning projects end-to-end, from initial research through to production Experience: • Strong ML research track record (publications, open ...

analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade-offs Experience … Experience building scalable backend systems Ability to work across multiple domains (backend, DevOps, data) Examples of taking projects from idea to production Contributions to open source or personal projects Note : Prolo is a startup with a small engineering team, which means you'll be expected to be versatile ...

supported in pushing the envelope alongside top pioneers in verification. Responsibilities Design and maintain robust testbenches and targeted tests using the organisation’s mixed open-source and proprietary verification environment. Develop and own comprehensive verification plans, ensuring coverage goals and test strategies are clear and defensible. Identify … resolve design defects efficiently. Oversee and refine the test infrastructure, including management of test suites, CI pipelines, and the improvement of both internal and open-source tooling. Requirements Strong debugging and analytical capability, able to isolate and resolve complex RTL and testbench issues efficiently. Proficiency in Python ...

train, evaluate and optimise models Implement and scale solutions on AWS (SageMaker, Bedrock, Lambda, etc.) Contribute to generative AI initiatives using Hugging Face and open-source models Collaborate with data engineers, architects and stakeholders to deliver production systems Required Skills & Experience: 38 years experience in AI, Machine Learning ...

role The role will involve leading a team deploying forensic analytics (including testing routines across structured data and LLM-enabled unstructured, structured and open-source data analysis) over large datasets to help our clients solve their most complex fraud, misconduct and integrity matters. This role requires a deep … need to do is apply, create a profile, upload your CV and begin to make your mark with KPMG. Our Locations: We are open to talk to Forensic talent across the country but our core hubs for this role are: Birmingham London Canary Wharf Manchester With 20 sites across ...

bias for systemic platform fixes. Strong software engineering skills: high proficiency in at least one modern programming language (Python preferred). Modern open-source observability knowledge: Experience within the ecosystem (e.g. OpenTelemetry, LGTM stack, Prometheus, Grafana, Loki). Unsiloed cross-platform operator: Confidence taming complex technical landscapes spanning ...

performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software using Kubernetes Understanding of systems design and Open Source components. If you have knowledge of building virtual machines - Virtual servers, virtual networking or network programming - that's a plus... but definitely ...

Asian options, barrier structures, or path-dependent exotics common in commodity markets Machine learning applied to vol forecasting, regime detection, or execution cost optimisation Open-source quant library contributions, published research, or CQF/MFE/PhD in a quantitative discipline What We're Looking ...

provide liquidity and execution services for institutional clients around the world, two important revenue drivers for the firm. In Futures Engineering we use both open-source industry standard and internal proprietary technologies to build cutting‐edge platforms for pricing, execution, and control over each of these millions ...

customers Lead customer workshops on Property-Based Testing (PBT) and related methodologies Support the sales team with technical qualification and consultation Find bugs. Break open source software. Make a point of it. Build, maintain, and deliver product demos that land with technical audiences Guide customers and prospects ...

plus local holidays. Flexible Hours: Tailor your working hours to suit your productivity. Tech: Engage with cutting-edge AI projects and contribute to leading open-source software. Gear: Brand-new Apple MacBook and Apple Display provided. Team: Become part of a supportive and passionate team environment. ...

Ruby on Rails environments. Experience with Docker, Kubernetes, or cloud-native systems. Experience working with external product owners or regulated industries. Contributions to open-source JavaScript projects or technical blogging. Benefits Private healthcare after your probation (including children) Free flu jab for you and your family 25 days ...

pipelines—from feature engineering and preprocessing to deployment‐ready model outputs. Essential skills/knowledge/experience: Hands-on experience with GenAI, Gemini or Open source LLMs and develop GenAI applications for Code Translation, Text Extraction, Summarisation and SDLC Optimization etc. Hands-on Experience with AI Agents, Chat ...

depth cyber security experience and building platforms/infrastructure with security built in at code level. Expert level knowledge of Terraform, Python and open-source databases (Postgres & Clickhouse a bonus) Experience working in fast-paced, top tier financial institutions. If you’re an experienced Platform Engineer looking ...

transform data for analytics and reporting. Develop ETL/ELT workflows to move data efficiently into data warehouses, data lakes and lake houses using open-source and AWS tooling. Apply DevOps practices, including CI/CD, infrastructure as code and automation, to improve and streamline data engineering processes. ...

building REST APIs using NestJS or Express Or Python Experience with MongoDB or similar databases Evidence of building independently, for example side projects, startups, open source work Experience in a company with fewer than 50 employees High agency and comfort operating in fast moving environments Nice to have ...

standards and a commitment to building trust-based software. Nice to Have Previous experience in a fintech or high-growth startup environment. Contributions to open-source projects or a background in building custom tooling. Familiarity with cross-functional "tribe and squad" working models. Why Join ...

commercial C++ expertise Significant bias towards C++ development Genuine passion for writing clean, performant code Bonus if : Commercial C++ experience Have worked on open-source projects Have an activity portfolio of personal C++ projects Full details are available. Please don't hesitate to get in touch. ...

Enhance overall system efficiency, expandability, and dependability within distributed robotic setups. Experience you'll need: Production experience with Rust , or contributions to production grade open source repos. 2+ Years. Experience working with Tokio , or other asynchronous frameworks such as async.std or Smol. Ideally a background in a core ...

moving at startup speed Establish a culture where iteration is celebrated and perfectionism is challenged How we work at Lightdash We build in public. Open source means moving fast with shared context. We challenge problems, not people. No blame, just solutions. We’re highly collaborative. Independent ...

their first few years at a traditional firm. Fully-formed FDEs have: Deep, real-world AI experience An impressive portfolio of shipped impact Open doors to future strategic and leadership roles Person: Relentless Operators We're not looking to hire resumes; we hire mindsets. Successful FDEs are: Scrappy. Curious. … Action-oriented. Resilient. Ownership-driven. Whether that mindset shows up through side projects, community builds, freelance hacks, competitions, open-source contributions, or experimentation, we're interested in how you can think, learn, and build. Apply here: https://www.silvertreeequity.com/join-us Applications will remain open ...

distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. 3 Month Plan: Develop a working understanding of the product, federated training setup, and key life-sciences modelling ...

some cases, net-zero targets. Experience with Future-Proofing: Designing flexible infrastructure that can adapt to future technological advancements. Desirable Experience: Exposure to open-source ontologies and smart building frameworks (e.g. Brick, Project Haystack, DBO) Experience of designing or working with or implementing a digital twin, analytics platforms ...

distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. 3 Month Plan: Develop a working understanding of the product, federated training setup, and key life-sciences modelling ...