17 of 17 Permanent Open Source Jobs in Central London

positive direction. Foster and build culture within your team using the values that we set out as an organisation You encourage and drive an open source way of development abiding by open source principles You drive evolutionary and challenging architectural solutions which maintain cohesiveness across … always have an eye on the industry trends You ensure we follow industry best practices You have: Experience creating/contributing to an open source project Experience managing a team of software engineers Architected and built performant, scalable, resilient public facing products Experience in Javascript Experience with state ...

methods * Fine-tune and deploy LLMs in production environments * Apply reinforcement learning techniques (SFT, PPO, DPO, GRPO) * Run hands-on experimentation to outperform closed-source models * Break down ambiguous research ideas into structured roadmaps * Optimise open-source LLMs (LoRa, Llama etc.) for enterprise deployment One hire will … applied AI/ML (exceptional 3+ years considered) * Deep experience in fine-tuning + reinforcement learning * Experience shipping ML systems from research into production * Open-source LLM experience essential * Product-driven engineering mindset (Apple, LinkedIn, Amazon style environments ideal but must be willing to work in a start ...

proof systems Drive continuous improvement of development processes, deployment pipelines, and system reliability Represent Entrust's technical capabilities in industry forums and contribute to open-source biometric standards Your future short-term and major projects: Grow adoption of Biometrics products, from face matching, liveness detection and authentication ...

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 ...

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 ...

party services or financial data providers. Familiarity with performance budgets, monitoring, and observability tooling. Knowledge of crypto, digital assets, or Web3 technologies. Contributions to open-source projects or engineering blogs. What’s Offered Opportunity to work on high-impact fintech projects serving users globally. Collaborative engineering culture focused ...

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 ...

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 ...

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 ...

Operations teams to ensure technical solutions align with global business goals. Technology & Environment Backend Engineering: Extensive experience with complex software systems using Python preferred; open to other OOP backgrounds Architecture: Building and managing services with standard APIs and external integrations. Observability: Incorporating robust monitoring, alerting, and reliability into every … service. Engineering Culture: Open Source friendly (internal and external) with a pragmatic approach to improving legacy code. Deep understanding of financial systems What’s on Offer Competitive salary and benefits package. Discretionary performance-related bonus. Dedicated budget for continued development, training, and certifications. A dynamic, high-growth environment ...

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. ...

Bonus Points Experience with test automation tools and techniques. Experience building multilingual or globalized apps. Interest or background in digital assets or emerging tech. Open-source contributions or community involvement. What’s Offered Meaningful technical challenges in a modern engineering environment. Competitive compensation and growth opportunities. A flexible ...