1 to 25 of 159 Open Source Jobs in London

Enterprise Account Manager - UK Service Providers

Hiring Organisation
MBR Partners
Location
London, UK
Employment Type
Full-time
CompanyOur client is one of the fastest-growing software companies in Europe and is the publisher of a popular Open-Source operating system. Their aim is to help the enterprises welcome open source from end to end, across every category of compute and application, starting with … world's top Telecoms Service Provider's like BT and AT&T and their use cases span 5G Core, 5G Edge and Open RAN. The OpportunityIn this hunter sales role. The qualified candidate will have the responsibility to attain the given annual quota. You are expected to successfully prospect ...

Staff Solutions Engineer (UK)

Hiring Organisation
Kong
Location
London, UK
Employment Type
Full-time
events, etc.And any additional tasks required by manager.What You'll Bring:7+ years of pre-sales Solution Engineering or relevant experience at a SaaS, Open-source or Enterprise Software company.Experience working with Open-source technology.Foundational knowledge/understanding of API Management & Integration, Cloud computing trends, Open-source business models.Confident ability to present and lead discussions with C or Director level executives as well as Product Managers and Engineers.Enthusiasm for working in a high profile, fast-paced startup culture.Bonus Points:Previous experience with API Gateway or Service Mesh is preferred.Experience with Docker or Kubernetes.Strong knowledge ...

Linux Systems Engineer- Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
their main development team. Our client is a small but well known quant hedge fund.The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a role … petabyte storage storage solutions utilising ZFS, Ceph, NVMe and other cutting edge technologies • Work on a diverse range of projects – recent examples include utilising Open Source technologies to build our own High Availability Virtual Machine cluster and a bespoke Container creation tool • Contribute to the development of configuration ...

Fullstack Engineer (Backend)

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
Opportunity You will join a high-impact development squad building commercial offerings on top of the thriving open-source Backstage framework. You will design and build backend systems, APIs, and developer portals that elevate the developer experience across external commercial clients and internal engineering teams alike. Your Impact … streamline engineering workflows. Engineering Excellence: Elevate code quality through technical RFCs, code reviews, architectural feedback, unit testing, and full operational ownership of your services. Open Source Collaboration: Partner with product managers, designers, and the open-source community to shape the evolution of internal developer platforms. Your ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Already live with banks and financial institutions, and hiring to build the product further. You'll work across our data integration platform and our open-source schema language and ecosystem. What You'll Work On Mostly Kotlin backend, but everyone touches the full stack: the integration platform (streaming … pipelines, query execution, API composition, schema resolution, running in production at real financial institutions); our open-source schema language (compiler, type system, query engine, no prior compiler experience needed); our AI agent built on Spring AI (greenfield work orchestrating integrations autonomously); and the frontend (mainly Angular, some React ...

Worldwide Specialist Solutions Architect - Analytics, Messaging Services, Data & AI GTM

Hiring Organisation
AmazonWebServices
Location
London, UK
Employment Type
Full-time
generalist role. You'll be the go-to expert for Amazon SNS, Amazon SQS, Amazon MQ, and the broader messaging ecosystem — including open-source technologies like RabbitMQ, Apache ActiveMQ, and MQTT-based architectures. You'll guide customers through trade-offs between managed services and self-managed alternatives, helping … leadership in the messaging space- Collaborate with account teams and other specialists to identify messaging-related opportunities and accelerate customer adoption- Engage with the open-source community and help customers understand when managed services vs. self-hosted solutions best fit their needsAbout the team### Diverse ExperiencesAmazon values diverse ...

Senior Integrated Campaigns Manager, FinTech & Capital Markets - London - Up to 90k

Hiring Organisation
Adaptive Financial Consulting
Location
London, UK
Employment Type
Full-time
help clients build high-performance, resilient trading systems across asset classes and create lasting competitive advantage.At the heart of it is Aeron, our open-source technology used by hundreds of market participants to build high-throughput, low-latency, resilient trading systems, on-premises and in the cloud. Together … trading tech clear and compelling: not dumbed down, just sharp.Hands-on with the message, the copy, the assets, the execution: all of it.A source of commercial focus and momentum for the people around you.Genuinely curious about capital markets, technology, and the audiences shaping where this industry goes.YOU HAVE:Strong ...

Senior Integrated Campaigns Manager, FinTech & Capital Markets - London - Up to £90k

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
help clients build high-performance, resilient trading systems across asset classes and create lasting competitive advantage. At the heart of it is Aeron®, our open-source technology used by hundreds of market participants to build high-throughput, low-latency, resilient trading systems, on-premises and in the cloud. … tech clear and compelling: not dumbed down, just sharp. Hands-on with the message, the copy, the assets, the execution: all of it. A source of commercial focus and momentum for the people around you. Genuinely curious about capital markets, technology, and the audiences shaping where this industry goes. ...

Enterprise Architect - AI

Hiring Organisation
World Wide Technology
Location
London, UK
Employment Type
Full-time
degree (MS in CS/AI/ML or related) beneficial but not required given sufficient hands-on depth.Continuous, demonstrable learning in AI — publications, open-source contributions, conference speaking, or lab-based experimentation are all valued signals.Job RequirementsEnterprise Architect — Artificial IntelligenceAI/ML Infrastructure, Platform & GovernancePractice AreaEnterprise Architecture … documentation, audit trail, and approval-gate processes for production AI systems.Security & CloudAI-specific security fundamentals: model security, prompt-injection defenses, supply chain security for open-source/open-weight models.Solutions-architect level expertise in at least one hyperscaler (AWS, Azure, or GCP), including their native AI/ ...

Senior React Native Engineer

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
default and be ever curious. What we offer:Competitive salary and benefits package.Discretionary bonus based on performance.Continued personal development through training and certification.We are open-source friendly, following open-source principles in our internal projects and encouraging contributions to external projects.Responsibilities:React Native Mobile App Ownership ...

Security Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650 per day
candidate will have come from a strong technical background, and have an understanding of attack vectors for high threat environments, across both proprietary and open-source technology stacks. You will advise and enable technical teams to make security decisions and provide advice and guidance, ensuring the effective … programmes, projects or a product-centric organisation. You will have a good understanding of a broad range of industry-standard technologies, both proprietary and open source, across a diverse range of Microsoft and Linux-based deployments, across physical, virtual and containerised compute. You will have experience in securing ...

Senior ML Platform Engineer - Artificial Intelligence

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
cohesive, integrated, and managed AI development life cycle to enable the building and maintenance of our AI systems. Our teams make extensive use of open source technologies such as, Kubernetes, Kubeflow, KServe, Argo, Buildpacks, and other cloud-native MLOps technologies. From technical governance to upstream collaboration … committed to enhancing the impact and sustainability of open source. Join the AI Group as a Senior ML Platform Engineer and you will have the opportunity to: * Architect, build, and diagnose multi-tenant AI platform systems * Work closely with AI application teams to design seamless workflows for continuous model ...

Node.js Javascript Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
pegged as one of the fastest growing ecommerce platforms in Europe and are building a new unrivalled platform and application using cutting edge open source technologies.As a Javascript Node.JS Developer you will be a part of building this new open source cloud-based application and platform.As … important.Experience of full stack development but emphasis on back – mid end beneficial.Interested the latest technologies and open minded to using them.Good experience with opensource databases technologies such as MySQL and ideally exposure to noSQL databases like Redis, MongoDB and COuchDB.Experience in a continuous integration environmentKnowledge of Werbservices and APIs.If ...

Test Lead

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
acumen to drive quality across our engineering processes. You will be responsible for designing, building, and maintaining robust automation and performance testing frameworks using open-source tools, while also mentoring and guiding other engineers.Key Responsibilities: Strategic Leadership: Plan and lead large-scale, complex testing activities, managing risks … identifying opportunities to improve quality and efficiency. Technical Ownership: Build, maintain, and evolve automation frameworks using open-source technologies. Process Improvement: Lead investigative work into existing processes to identify gaps and implement improvements. Test Design & Execution: Design and execute a wide range of testing techniques including functional, performance ...

Senior Java Software Engineer- Platform Engineering

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
decide where the team should invest.What you'll work onDesign, build, and operate capabilities within Wise's Continuous Delivery platform.Evolve our use of the Open Source CD tool Spinnaker and contribute improvements upstream where appropriate.Build reliable guardrails that help engineers deploy changes safely with minimal manual effort.Improve … will gainMeaningful influence over a platform used by engineers across Wise.The opportunity to solve engineering problems at company-wide scale.Scope to contribute to open source software.Support to develop your technical leadership and help other teams improve how they deliver software.A flexible working environment and regular team and company ...

Senior Java Software Engineer- Platform Engineering

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
team should invest. What you’ll work on Design, build, and operate capabilities within Wise’s Continuous Delivery platform. Evolve our use of the Open Source CD tool Spinnaker and contribute improvements upstream where appropriate. Build reliable guardrails that help engineers deploy changes safely with minimal manual effort. … Meaningful influence over a platform used by engineers across Wise. The opportunity to solve engineering problems at company-wide scale. Scope to contribute to open source software. Support to develop your technical leadership and help other teams improve how they deliver software. A flexible working environment and regular ...

Group Financial Controller

Hiring Organisation
Canonical
Location
London, UK
Employment Type
Full-time
Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading … colleaguesPriority Pass and travel upgrades for long-haul company eventsAbout CanonicalCanonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform ...

Machine Learning Engineer, Consumer Gen AI Product Engineering

Hiring Organisation
Snap
Location
London, UK
Employment Type
Full-time
refine them through A/B testing and user feedbackActively monitor the market and research landscape for new developments in Gen AI, evaluate open-source models and third-party AI APIs/services to inform build-vs-buy decisions to leverage the best available tools (or iterate … them) to keep Snap's products at the cutting edgeEvaluate open-source Gen AI models and APIsKnowledge, Skills & Abilities:A proven passion for machine learning; you stay up-to-date with research and are excited about prototyping new ideas quickly Knowledge of mathematics and deep learning foundations Excellent ...

Technical Product Manager - GenAI Platforms - Experiences & Integrations - CTO Office

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
prototype the next generation of infrastructure, hardware, and applications that power the Bloomberg Terminal and beyond. Our work spans AI platforms, cloud infrastructure, open-source stewardship, and generative AI innovation.For over a decade, Bloomberg has been at the forefront of applying Artificial Intelligence, ML, and NLP to financial … teamsWe'd Love to SeeA degree in Computer Science, Engineering, or equivalent experienceExperience with LLMs, generative AI, agent frameworks, and orchestration systems Contributions to open source or developer ecosystemsWhy Join UsYou will play a pivotal role in shaping Bloomberg's AI future by building the platform that enables ...

Senior Staff Software Engineer - Delta

Hiring Organisation
DataBricks
Location
London, UK
Employment Type
Full-time
software 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 our backend ...

Applied AI ML Director

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
Machine Learning team in Corporate and Investment Banking is transforming the operations of the world's largest bank by leveraging the latest advancements in open source artificial intelligence and proprietary frontier models. To facilitate rapid growth, the team is focusing expertise in key "Domains" that are crucial … Domains. We seek an team member with a strong foundation in artificial intelligence and software engineering, who has made significant contributions to open source projects and/or led the development and maintenance of AI systems vital to business operations.As an Applied AI ML Director within the Corporate ...

Solution Architect

Hiring Organisation
Accenture
Location
London Area, United Kingdom
development of innovative offerings Participate in thought leadership about Architecture and Digital Transformation. Experience Required: The successful candidate will have: Strong working knowledge of open source, open standards and cloud technologies Good understanding of architectural concepts, methodologies and approaches Excellent working knowledge of design patterns and modelling ...

Field Marketing Manager, Sponsorship & Experiential — United Kingdom

Hiring Organisation
Temporal Technologies
Location
London, UK
Employment Type
Full-time
About UsTemporal is an open source programming model that can simplify code, make applications more reliable, and help developers focus on the important things like delivering features faster. We are on a mission to be the reliable foundation of every developer's toolbox, and are building the team … values, challenge 'standard' thinking, and want to influence our future. If you have a passion for improving the developer experience, building world-class open-source software and communities, and want to be a part of our amazing team, we'd love to hear from you!Summary:Temporal ...

Security Operations Room Operator

Hiring Organisation
Sapient Insight
Location
City of London, London, United Kingdom
Company Description Sapient Insight advises clients on strategic opportunities and risks by turning complex information into clear, actionable insight. Using digitised human networks and open-source analytical software, the company sources verified, novel, and relevant data that gives clients a competitive advantage and supports better, faster decisions. Sapient … analytical and observation skills for monitoring multiple information sources, identifying anomalies, and assessing security-related risks. Proficiency with security monitoring systems, dashboards, and basic open-source information tools or intelligence platforms. Effective written and verbal communication skills for logging events, producing incident reports, and coordinating with internal ...

Full Stack Engineer - AI Enabled - Senior Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
Experience in the financial services industry.Knowledge of domain-driven design and clean architecture principles.Experience with observability tools (e.g., Prometheus, Grafana, ELK stack).Contributions to open-source projects or active participation in developer communities.What we'll provide you:By joining Citi London, you will not only be part ...