76 to 100 of 1,074 Open Source Jobs in London

AI Engineer

Location
Greater London, England, United Kingdom
Research & Development: Stay at the forefront of AI research and emerging technologies, evaluating and integrating cutting‐edge techniques into our technology stack. Contribute to opensource projects and represent the company at technical conferences and industry forums. Drive proof‐of‐concept initiatives and experimental projects to explore … requiring statistical rigour. Proven track record of leading the development and deployment of production AI systems at scale. Strong publication record or contributions to opensource AI projects preferred. Experience with modern software development practices including CI/CD, testing frameworks, and agile methodologies. Office Address : Unit ...

Cloud Native Specialist

Location
Greater London, England, United Kingdom
code-level visibility into microservices without manual instrumentation or sidecar overhead.* Advocate for OpenTelemetry (OTel) integration and explain how Dynatrace extends the value of open-source telemetry in a production-grade environment.2. Domain Execution:* Lead technical discovery and high-stakes Proof of Concepts (POCs) specifically targeting "Born … Experience with eBPF-based monitoring tools.* Familiarity with FinOps principles (matching cloud spend to container performance).* Active participation in the CNCF community or open-source projects.## **Why you will love being a Dynatracer*** A one-product software company creating real value for the largest enterprises and millions ...

Software Engineer - Data Infrastructure - OpenSearch/ElasticSearch

Location
Greater London, England, United Kingdom
levels. We will help you identify a suitable position depending on your experience and interests. Engineers who thrive at Canonical are mindful of open-source community dynamics and equally aware of the needs of large, innovative organisations. Location: This role can be filled in European, Middle East … upgrades for long haul company events About Canonical Canonical is a pioneering tech firm that is 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 ...

Solution Architect (SFIA 5)

Location
Greater London, England, United Kingdom
looking for a Solution Architect to lead the design and delivery of cutting-edge digital services for the UK Public sector using the latest open source technologies and working under an Agile and DevOps framework. Role Objectives: These are the expected objectives for this role. We are happy … within Zaizi, share knowledge and drive continuous improvement Technical: You will have extensive commercial experience in the many of the following: Technical & Solution Design Open Source software Cloud computing (ideally AWS) Security best practices IAM, OAuth, Cognito, OIDC - all advantageous Containers and Orchestration (Docker, Kubernetes) DevOps/DevSecOps ...

Solution Architect (SFIA 5)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
looking for a Solution Architect to lead the design and delivery of cutting-edge digital services for the UK Public sector using the latest open source technologies and working under an Agile and DevOps framework. Role Objectives: These are the expected objectives for this role. We are happy … Zaizi, share knowledge and drive continuous improvement Requirements Technical: You will have extensive commercial experience in the many of the following: Technical & Solution Design Open Source software Cloud computing (ideally AWS) Security best practices IAM, OAuth, Cognito, OIDC - all advantageous Containers and Orchestration (Docker, Kubernetes) DevOps/DevSecOps ...

Solution Architect (SFIA 5)

Location
Westminster, West End, United Kingdom
looking for a Solution Architect to lead the design and delivery of cutting-edge digital services for the UK Public sector using the latest open source technologies and working under an Agile and DevOps framework. Role Objectives: These are the expected objectives for this role. We are happy … Zaizi, share knowledge and drive continuous improvement Requirements Technical: You will have extensive commercial experience in the many of the following: Technical & Solution Design Open Source software Cloud computing (ideally AWS) Security best practices IAM, OAuth, Cognito, OIDC - all advantageous Containers and Orchestration (Docker, Kubernetes) DevOps/DevSecOps ...

AI Technical Lead - Contract

Hiring Organisation
167 Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £700.00 per day
agent architectures Building and integrating conversational, voice-to-text and speech-based AI solutions Developing AI applications using commercial and open-source models Working with ElevenLabs and other voice AI/speech technologies Designing solutions across AWS and GCP Building AI services using AWS Bedrock Evaluating and integrating … Amazon SageMaker Google Cloud Platform (GCP) Vertex AI Python FastAPI/APIs LangChain/LangGraph Vector databases Embeddings and semantic search Hugging Face/open-source AI models Prompt engineering Model evaluation and optimisation MLOps/LLMOps Docker/Kubernetes CI/CD Cloud architecture AI security, governance ...

Node.js Javascript Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
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 ...

Remote Python Engineer — Open Source & Cloud Scale

Location
Greater London, England, United Kingdom
Canonical is a leading open source software company known for Ubuntu, hiring Python developers across teams with remote roles in every time zone. You will write high-quality, well-tested Python, collaborate with a globally distributed team, and contribute to documentation and community efforts. This track spans server ...

Senior Data Scientist

Hiring Organisation
West and North London ICB
Location
London, NW1 5JD, United Kingdom
Salary
£66274.00 to £73496.00
making best use of statistical modelling and/or machine learning methods and working with other team members to deployment and maintain these Use open-source analytical tools (including R or Python) in an open and collaborative way using Git to code collaboratively ensuring work follows industry … post qualifying and continuing professional development An active member of relevant professional body and/or wider analytical networks. Experience Essential Expert in open-source scripting languages, such as Python/R Demonstrated experience in one or more of: o Simulation methods, such as Discrete Event Simulation, System ...

Senior Fellow, Forecasting, Collective Intelligence and Strategic Risks

Location
Greater London, England, United Kingdom
government, intelligence, industry, or a leading policy-research environment with responsibility for analytical delivery. Experience of research and analysis using the full range of open-source information, with strong judgement on source reliability and uncertainty, and an ability to translate evidence into clear probabilistic assessments for decision … written English, with a proven ability to brief senior stakeholders and write clearly to deadline. Additional languages desirable, particularly relevant to priority regions and open-source exploitation. Experience implementing appropriate governance for an externally facing platform, including information security and assurance expectations, and responsible AI use in analytical ...

Senior Audio AI Research Engineer

Hiring Organisation
Logitech
Location
London, United Kingdom
Salary
£ 70 K
solving complex problems prior to their productization. We’re looking for someone inventive, who can prototype and trial novel algorithms, combining prior internal research, open-source contributions, and their own ideas to create novel user experiences. This role offers the chance to collaborate with some of the best …/PyTorch) with a proven history of building ML pipelines in the audio domain.Proficiency in Python, including package development and collaborative coding practices (e.g., open-source contributions).Expertise in performance analysis and optimization of ML systems.Hands-on deployment experience with systems like TensorFlow Lite, ONNX, TVM, and Glow.Strong ...

Lead C++ / Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial … growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.LSEG is headquartered ...

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 … 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. ...

Lead C++ / Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial … growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered ...

Backend Software Engineer - Infrastructure

Location
Greater London, England, United Kingdom
process, helping to refine and enhance our products. Core Responsibilities Building a performant search and indexing ecosystem for complex granularly permissioned data Contributing to open-source data processing libraries, integrating the latest innovations to achieve performance gains Building the distributed systems that power large scale compute workloads, orchestrating … complex distributed systems like Cassandra, Elasticsearch, Kafka, and more across different environments Technologies We Use Different backend languages, including Java, Rust, and Go Open-source technologies like Cassandra, ElasticSearch, Spark, Kafka, Kubernetes, Flink Industry-standard build tooling, including Gradle and GitHub What We Value Demonstrated ability to collaborate ...

AI Engineer - Systems Integrator

Location
Greater London, England, United Kingdom
using statistically robust methodologies Analysing failures and identifying opportunities for optimisation Experimenting with prompts, workflows and playbooks to improve outcomes Testing different models, including open-source and fine-tuned LLMs Evaluating and improving multi-agent workflows Researching defences against prompt injection and adversarial attacks Collaborating with security analysts … experience Experience evaluating AI systems or LLM performance Familiarity with cloud environments such as GCP Knowledge of modern software development practices Experience working with open-source AI models Interest in cyber security, threat detection or security operations Location & Working Pattern London Hybrid (fortnightly office travel plus occasional customer ...

Core AI Engineer

Location
Greater London, England, United Kingdom
team within the AI Engineering department. We build, operate and scale the foundational platform that powers AI innovation across G‐Research, including on‐prem open model inference, model serving, AI developer experience tooling, centralised MCP servers and secure agent sandboxing. We provide the foundations that enable teams across … provision and consume AI infrastructure independently Integrating platform services with existing technology stacks, ensuring clear interfaces, monitoring and CI/CD Evaluating and adopting opensource technologies and applying emerging best practices to improve the platform Who are we looking for? We value pragmatic engineers who combine deep ...

Principal AI Data Scientist

Location
Greater London, England, United Kingdom
Timeseries Forecasting models to solve complex enterprise business and planning challenges. Generative AI Architecture: Architect GenAI solutions, focusing on fine‐tuning proprietary and opensource Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks. Next‐Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic … analytics applications. Familiarity with Anaplan or similar enterprise planning platforms. Experience with A/B testing and experimentation frameworks for AI features. Contributions to opensource ML projects or research publications. Our Commitment to Diversity, Equity, Inclusion, and Belonging (DEIB) We believe at Anaplan that diversity, equity, inclusion ...

Principal AI Data Scientist

Hiring Organisation
Anaplan
Location
London, United Kingdom
Salary
£ 80 K
Learning, and Timeseries Forecasting models to solve complex enterprise business and planning challenges.Generative AI Architecture: Architect GenAI solutions, focusing on fine-tuning proprietary and open-source Large Language Models (LLMs) via Transformer architectures for specialised enterprise data tasks.Next-Gen Interfaces: Design and integrate Conversational AI and autonomous Agentic … forecasting, planning, or analytics applicationsFamiliarity with Anaplan or similar enterprise planning platformsExperience with A/B testing and experimentation frameworks for AI featuresContributions to open-source ML projects or research publicationsOur Commitment to Diversity, Equity, Inclusion and Belonging (DEIB) We believe attracting and retaining the best talent ...

Fastly: Senior SRE – Networks

Location
Greater London, England, United Kingdom
significant portion of the content delivered to internet consumers across the planet, with customers ranging from online media streaming services to e-commerce, to open source projects, nonprofits and more. We take this responsibility seriously! We’re looking for an experienced SRE with strong focus on Networks … small company with a big reach. Not only do our customers have a tremendous user base, but we also support a growing number of open source projects and initiatives.Outside of code, employees are encouraged to share causes close to their heart with others so we can help lend ...

Cost Accounting Manager

Hiring Organisation
Canonical
Location
London, United Kingdom
Salary
£ 80 K
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 ...

Cost Accounting Manager

Location
Greater London, England, United Kingdom
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 … travel upgrades for long-haul company events About Canonical Canonical 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 ...

Group Financial Controller

Hiring Organisation
Canonical
Location
London, United Kingdom
Salary
£ 80 K
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 ...

Group Financial Controller

Location
Greater London, England, United Kingdom
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 … travel upgrades for long-haul company events About Canonical Canonical 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 ...