1 to 25 of 119 Open Source Jobs in London

part of a small, expert team driving a global shift in how platform engineering is done. Your ideas will directly influence Kratix, our open-source framework, and our commercial product, Syntasso Kratix Enterprise. By joining us, you won’t just build technology, you'll help define the standards … company after seeing too many teams struggle to build internal platforms that developers actually enjoy using. That’s why we created Kratix: an open-source framework that helps organisations design, deliver, and scale their platforms with confidence. One early adopter cut platform onboarding from weeks to hours using ...

that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform … abstractions to streamline data access across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning ...

GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly … Director, Regional Sales New Business, you'll build and lead a dedicated new logo function across EMEA. You'll focus on bringing GitLab's open source, DevSecOps, and SaaS platform to first-time customers. You'll report to the Vice President for New Business ...

events and networking opportunities; Involvement in managing clientele to grow existing relationships as well as the development of wider networks and industry stakeholders; Managing open source and human source-led due diligence investigations; Editing reports written by analysts; Delivering constructive feedback and managing performance; Training, development … finance, political science, journalism, economics, or international relations; Excellent written and spoken English; Excellent understanding of research and investigative skills required to conduct open-source investigations; Proven ability to effectively plan, staff, and manage projects of varying complexities within budget and timelines, as well as being accountable ...

systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise … frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake ...

must gracefully shield our customers from any of the above. The Delta DML team owns the core write-path operations for Delta Lake, the open-source storage layer behind the Databricks Lakehouse. Our mission is to deliver industry-leading performance and a seamless user experience at massive scale … most data written in Databricks flowing through our platform. We drive performance innovations like Low Shuffle Merge and Deletion Vectors and actively contribute to open source efforts to unify Delta and Iceberg formats. We are seeking a highly skilled and experienced Senior Staff Software Engineer to join ...

penetration testing to assess the effectiveness of security measures. The Information Security department is responsible for the security and risk management of closed source, open source and proprietary applications throughout development and implementation. Utilising your knowledge of secure development lifecycles and code assessment, you will work with … either web applications or infrastructure. Strong understanding of and demonstrable experience with automated, dynamic, and static application security testing tools. Knowledge and understanding of Open Web Application Security Project (OWASP) and its utilisation within threat modelling. Experience of software development and languages. Working knowledge of CI/CD pipelines ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake ...

case-management or service-orchestration platforms Understanding of agentic AI capabilities and how they can complement workflow automation Experience mentoring developers or contributing to open-source Camunda extensions Already holding UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake ...

knowledge graphs or graph DBs Experience with RDF, SPARQL , ontologies Familiarity with cross-domain data flow patterns Infrastructure-as-Code (Terraform, CloudFormation) Exposure to open-source data frameworks 👤 The Ideal Contractor Operates independently with minimal oversight Pragmatic, delivery-driven, and quality-focused Excellent communication across technical & non-technical ...

specialists. The successful candidate will meet all of the following essential criteria: Demonstrable experience in designing large scale cloud migration projects/programmes with open source and commercial software within AWS, Azure, GCP or hybrid Experience in operating within a multi-disciplined team and clearly communicating complex technology … Understanding of NCSC Cloud Security Principles and its practical implementations Aker Systems Attributes At Aker we work as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider ...

software in client cloud environments Exposure to core banking, payments, or financial services infrastructure Familiarity with gRPC, protobuf, or service-to-service communication patterns Open-source contributions or evidence of self-driven learning in cloud, infra, or backend tooling Experience contributing to support process design or automation initiatives ...

skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL … scripts, store procedures Shift to the left: Functional test automation (API testing, UI testing [cucumber, nightwatch]) Nice to have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift ...

model safety, bias mitigation, evaluation frameworks and governance. Background in Computer Science, AI/ML, Engineering, or related fields. Experience deploying or fine-tuning open-source LLMs. Tech Stack LLMs: GPT-4/5, Claude 3.x, Gemini 2.x, Mistral Large, LLaMA 3, Cohere Command R+, DeepSeek Frameworks: LangChain ...

project too. Responsibilities include: Work within a multi-disciplinary product team and lead decisions on development and maintenance of a robust, scalable open data website (front end and back end); it's services and API's. Provide strategic technical leadership by setting software architecture, engineering practices, and technical direction … Collaborate with teams to select technologies, shape roadmaps, and deliver resilient, maintainable digital services that meet programme goals Represent the department at technical forums, open-source communities, and government working groups Ensure delivery aligns with the Service Standard, Technology Code of Practice, and departmental governance processes Essential Skills ...

term security hardening practices You appreciate building systems with good engineering practices and may have a background in software engineering at scale You're open to being a part of an on-call rota, ready to respond if we have a severe, platform-impacting security tooling failure or need … private Data Centers Kubernetes, Helm, Flux Distributed systems, mostly Golang based with CockroachDB and NATS SIEM/SOAR, EDR, CNAPP, and a suite of open source tools with custom integrations This is a fully remote role, please email your CV to apply ...

related discipline. Minimum 3 years of experience writing and deploying production-grade Python. Strong coding skills and passion for data science and open-source technologies. Experience with cloud platforms (AWS, Google Cloud, or Azure) and modern DevOps practices (Infrastructure-as-Code). Proficiency with Git, Unix/Linux ...

focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you're a Senior Go Developer looking for a challenging 6-month contract with a forward-thinking tech ...

practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases (Pinecone, ChromaDB, FAISS), embeddings ...

practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases (Pinecone, ChromaDB, FAISS), embeddings ...

years. As a Software Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves designing, developing, documenting and deploying backend services with a focus on high availability, low latency and scalability. Design, develop, document … clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using GitHub/GitLab for source control Test Driven Development with appropriate tools and frameworks Experience in Big Data technologies Experience in Public Cloud services, such as AWS Aker Systems ...

take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days … technology-driven organisations or start-ups Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a Senior Go Developer looking for a fast-paced, collaborative contract role where your work will ship quickly ...

related discipline. Minimum 3 years of experience writing and deploying production-grade Python. Strong coding skills and passion for data science and open-source technologies. Experience with cloud platforms (AWS, Google Cloud, or Azure) and modern DevOps practices (Infrastructure-as-Code). Proficiency with Git, Unix/Linux ...

retrieval-augmented generation (RAG), or similar architectures into production systems. Strong background in consultancy, digital transformation, or multi-industry project delivery. Contributions to open-source projects or AI engineering communities. What you can expect from us: Remote-first working with flexibility around client needs. Private health insurance Projects ...

underlying compute infrastructure that powers all of these builds at scale. You'll be responsible for transforming the performance of builds, working with open source authors to understand the requirements of their frameworks. If you're based within a pre-determined commuting distance of one of our offices ...