1 to 25 of 30 Open Source Jobs in the City of London

complexity into fun. About Tiptap Chances are high that you've already used Tiptap without knowing it in one of the apps you have open daily. With 37k GitHub stars and over 45M npm downloads per month, Tiptap is the most popular open-source editor framework worldwide … build, every prospect you unblock turns into revenue, into products our customers ship, and into the signal that shapes our roadmap. Our Core Values Open Source: We believe in the power of open source and community collaboration. Transparency: We share knowledge openly. Autonomy and Impact: Your ...

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 ...

Company Description WireMock is the industry standard for API environment simulation. With a massive global open-source footprint and deep adoption across the Fortune 500, we provide the critical infrastructure that engineering teams use to de-couple development from fragile dependencies. As AI agents and LLM-integrated apps … function without them where necessary. Cares about user delight over technical purity. Writes code in Java, Kotlin and ideally Javascript. Enjoys contributing to open source, including writing and speaking. Proactively improves their own skills and understanding of the domain they’re working in Salary range £80k-110k. Java ...

What You'll Do As a Computer Vision Engineer at Ultralytics, you will be at the forefront of developing and refining our world-class, open-source AI models. You will drive the entire lifecycle of our models, from research to real-world deployment. Key responsibilities include: Developing, training … Excellent problem-solving skills and the ability to perform in a fast-paced, high-intensity environment. A strong portfolio of projects or contributions to open-source AI repositories. 🌟 Cultural Fit - Intensity Required Ultralytics is a high-performance environment for world-class talent obsessed with achieving extraordinary results. ...

applications , translating complex business and analytical requirements into well-architected technical solutions. Implement and integrate large language models (LLMs) , including: Utilising both proprietary and open-source models Fine-tuning models to meet specific business use cases Delivering solutions via APIs, such as OpenAI APIs Collaborate closely with product ...

FastAPI or similar) Collaborate with engineers, data scientists, architects, and business stakeholders to deliver end-to-end solutions Evaluate and implement AI technologies across open-source and commercial ecosystems Design integration patterns for enterprise banking environments Contribute to system architecture, design decisions, and technical documentation Support architecture governance ...

large-scale models using tools such as Tensorflow or PyTorch is a plus. You stay up-to-date with the state-of-the-art open source infrastructure solutions applicable to designing and improving large scale recommender systems, data engineering, and machine learning You have a Master ...

with AWS, GCP, or Azure. Experience in construction, architecture, BIM, building materials, technical product data, catalogues, standards, or compliance-heavy data systems. Contributions to open-source projects, academic publications, or applied research are a plus. Problem Areas You may work on: construction product classification and enrichment; entity resolution ...

experience Hands-on with dedicated Agentic AI platforms (e.g. Agentforce, Copilot Studio) Knowledge of AI compliance requirements: GDPR, EU AI Act, SOC 2, HIPAA Open-source or research contributions to LangChain, RAG, or Knowledge Graph communities ...

relevant field. Experience implementing or fine-tuning vision-language models such as CLIP, BLIP, or SAM. Experience with multimodal AI, visual grounding, open-vocabulary detection, or image-text retrieval. Familiarity with edge deployment frameworks such as TensorRT, OpenVINO, or ONNX Runtime. Experience with 3D vision, point clouds, depth estimation … technical document analysis, or product data systems. Experience with OCR, technical document processing, drawing analysis, catalogue data extraction, or visual product matching. Contributions to open-source computer vision projects. Experience deploying models on cloud platforms such as AWS, GCP, or Azure. Experience with data annotation, synthetic data, active ...

scientific disciplines Nice to have: Experience working with molecular, chemical or biological datasets Exposure to computational chemistry, cheminformatics or drug discovery applications Contributions to open-source scientific or machine learning software projects PhD or advanced degree in Chemistry, Computational Chemistry, Computer Science, Machine Learning or a related discipline ...

programmes • Experience working alongside AI, Automation or Power Platform teams • Background in software development with the ability to work with internal codebases • PHP or open source framework experience would be beneficial • Microsoft Azure certifications would be advantageous Why Apply? This is an opportunity to join a forward thinking ...

write high quality Automation/scripts from scratch. Configuration Management Tools (Ansible/Puppet/Kapitan/Terraform....) Observability: Experience within the modern open-source ecosystem (ELK, OpenTelemetry, LGTM stack, Prometheus, Grafana, Loki...) CI/CD and GitLab/GitOps : working with Development teams. A track-record ...

powered features is valuable but not required. End-to-end ownership mindset : You've shipped something meaningful on your own—a project, open source tool, or business—and you drive work from conception to production. Modern backend fundamentals : Comfortable with modern backend languages and frameworks, plus exposure ...

Experience working with mobile applications (React Native/Kotlin/Swift). Experience working in regulated industries or multi-client B2B systems. Contributions to open-source Ruby projects or technical blogging. Benefits Private healthcare after your probation (including children) Hybrid working model 25 days holiday Volunteering Leave Free ...

worked on a live deal, you know what this feels like. Builder DNA. You don't just recommend, you build. Side projects, open-source contributions, 0-to-1 products, or intrapreneurial ventures all signal the instinct we're looking for. Structured synthesis at scale. You can process massive ...

Fluency in English Nice to have A degree in computer science A perspective on mobile development best practices A GitHub portfolio showcasing personal or open-source projects Experience in financial services Familiarity with test-driven development ...

Fluency in English Nice to have A degree in computer science A perspective on mobile development best practices A GitHub portfolio showcasing personal or open-source projects Experience in financial services Familiarity with test-driven development ...

private infrastructure — with unprecedented speed, efficiency, and control over their data. With 8,000+ GitHub stars, 2,000+ global deployments, and a rapidly expanding open-source community, we are building a global go-to-market presence across Australia, Singapore, and Southeast Asia. Events and community ...

evolving tech stack. The environment includes a mix of TypeScript and Scala on the backend, but prior Scala experience is not required. We’re open to engineers from a variety of backgrounds, particularly those with strong experience in Node.js and/or modern frontend frameworks, as well as those … scale web applications or digital media platforms Familiarity with distributed systems or microservices Experience in CI/CD and modern DevOps practices Interest in open-source or engineering communities ...

move fast, and care deeply about product impact. Don't just send a CV. Show us something you've built. A side project, an open-source contribution, a demo, a write-up of a hard technical problem you solved - anything that shows how you think and what ...

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 ...

training, or edge ML deployment Simulation experience - building or using physics-based simulators, digital twins, surrogate models, or large physics models Published research or open-source contributions Who You Are You want both halves of this job. You'll run experiments and read papers, but you also want ...

Consulting environment In-depth understanding, knowledge and experience of the testing industry to include: testing services (type, costing, route to market), tools (commercial/open-source, selection and implementation), practices (methods by SDLC-type, test accelerators), metrics (selection, implementation), and key players (suppliers, tool vendors, industry “regulators”). ...

Company Description Sapient Insight specializes in providing clients with actionable insights derived from digitized human networks and open-source analytical software. With a focus on discovering verified and novel information, Sapient Insight empowers clients to make informed, strategic decisions by offering a competitive advantage. By combining cutting-edge ...