51 to 75 of 182 Open Source Jobs in London

AI Native Software Engineer

Hiring Organisation
Accenture UK & Ireland
Location
London, UK
agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production or near-production environments. Experience with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + … served as an Agentic/AI Engineer in an enterprise environment. You’ve built multi agent orchestrations using (Lang-graph, Crew AI, Claude SDK, Open AI SDK, etc). Have a GitHub repo with an agent/plugins you have created You have additional AI certifications or experience with ...

AI Native Software Engineer

Hiring Organisation
Accenture UK & Ireland
Location
City of London, Greater London, UK
agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production or near-production environments. Experience with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + … served as an Agentic/AI Engineer in an enterprise environment. You’ve built multi agent orchestrations using (Lang-graph, Crew AI, Claude SDK, Open AI SDK, etc). Have a GitHub repo with an agent/plugins you have created You have additional AI certifications or experience with ...

AI Native Software Engineer

Hiring Organisation
Accenture UK & Ireland
Location
City of London, London, United Kingdom
agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production or near-production environments. Experience with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + … served as an Agentic/AI Engineer in an enterprise environment. You’ve built multi agent orchestrations using (Lang-graph, Crew AI, Claude SDK, Open AI SDK, etc). Have a GitHub repo with an agent/plugins you have created You have additional AI certifications or experience with ...

AI Native Software Engineer

Hiring Organisation
Accenture UK & Ireland
Location
London Area, United Kingdom
agentic solutions (agents, orchestration, context engineering, RAG, workflows) in production or near-production environments. Experience with modern AI platforms — OpenAI, Claude, Vertex AI, or open-source models — including building or using abstraction layers for multi-provider pipelines. Strong Python, Java or equivalent experience building 12 factor applications + … served as an Agentic/AI Engineer in an enterprise environment. You’ve built multi agent orchestrations using (Lang-graph, Crew AI, Claude SDK, Open AI SDK, etc). Have a GitHub repo with an agent/plugins you have created You have additional AI certifications or experience with ...

Senior Staff+ Software Engineer, Node Infra

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high‐performance networking (EFA, RDMA, InfiniBand) for distributed ML workloads Demonstrated ownership of production reliability for high‐throughput, latency‐sensitive systems Contributions to relevant opensource projects (Kubernetes, Linux kernel, container runtimes, etc.) Skill in quickly understanding systems design tradeoffs and keeping track of rapidly evolving software systems ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
distributed systems, transaction management and telemetry pipelines - Understands how state is managed across multiple systems, how rollbacks occur, compensation patterns, fallback handling TMF Open API - Customisation and extension of schemas (extension knowledge is critical) - Understands their role in inter-component integration, how to change schemas, sync and async patterns … Deep understanding of TMF SID (Product/Service domains) and TMF Open APIs used across BSS/OSS HIGHLY DESIRABLE Cloud Services & Observability - Experience designing for multi-cloud, hybrid and on-prem environments - Skilled in cloud-native patterns (PaaS, SaaS, serverless, containers, orchestration) - Cloud platforms (AWS or GCP): commonly ...

Technical Architect

Hiring Organisation
Inspire People
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
DDaT standards. Lead technical specialists across multiple projects, solving complex architectural challenges and owning the technical design of services. Design and assure secure, open-source and user-centred systems, including integration, interoperability, cloud quality, security and performance. Provide technical governance, present designs to boards such as the Technical ...

Principal Machine Learning Engineer, AI & Data Platforms (AiDP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Track record of building and shipping standalone AI‐native products - not just features - with direct accountability for user impact and product quality Contributions to opensource ML frameworks, published research, or patents in relevant areas Expertise in inference optimisation techniques: quantisation (GPTQ, AWQ), speculative decoding, KV‐cache optimisation ...

Principal Automation Test Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
success and leading by example. You will: Design and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination. Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. ...

Principal Architect - GenAI

Hiring Organisation
Jobleads-UK
Location
Isleworth, England, United Kingdom
Ensure compliance with industry standards and international regulations. What you’ll bring: Advanced degree in Computer Science, AI, or a related field. Contributions to opensource AI projects or published research in AI/ML. Extensive experience in software or systems architecture, with strong focus in AI/ ...

Threat Detection Engineer

Hiring Organisation
Barclay Simpson
Location
London, UK
detection fidelity Assess and improve SIEM architecture, including ingestion pipelines, parsing, and correlation logic Implement automation and orchestration (SOAR) to streamline response activities Log Source Onboarding & Integration Identify and onboard new log sources across cloud, network, endpoint, and application environments Develop custom parsers, connectors, and ingestion playbooks Collaborate with … Proactive, self-driven approach with strong analytical capability Desirable Experience Data Loss Prevention (DLP) Secure remote access solutions Network security technologies Threat intelligence and open-source security tools Experience with SaaS, IaaS, PaaS, and DaaS environments Business continuity and disaster recovery planning Knowledge of data privacy regulations ...

Threat Detection Engineer

Hiring Organisation
Barclay Simpson
Location
London Area, United Kingdom
detection fidelity Assess and improve SIEM architecture, including ingestion pipelines, parsing, and correlation logic Implement automation and orchestration (SOAR) to streamline response activities Log Source Onboarding & Integration Identify and onboard new log sources across cloud, network, endpoint, and application environments Develop custom parsers, connectors, and ingestion playbooks Collaborate with … Proactive, self-driven approach with strong analytical capability Desirable Experience Data Loss Prevention (DLP) Secure remote access solutions Network security technologies Threat intelligence and open-source security tools Experience with SaaS, IaaS, PaaS, and DaaS environments Business continuity and disaster recovery planning Knowledge of data privacy regulations ...

Threat Detection Engineer

Hiring Organisation
Barclay Simpson
Location
City of London, Greater London, UK
detection fidelity Assess and improve SIEM architecture, including ingestion pipelines, parsing, and correlation logic Implement automation and orchestration (SOAR) to streamline response activities Log Source Onboarding & Integration Identify and onboard new log sources across cloud, network, endpoint, and application environments Develop custom parsers, connectors, and ingestion playbooks Collaborate with … Proactive, self-driven approach with strong analytical capability Desirable Experience Data Loss Prevention (DLP) Secure remote access solutions Network security technologies Threat intelligence and open-source security tools Experience with SaaS, IaaS, PaaS, and DaaS environments Business continuity and disaster recovery planning Knowledge of data privacy regulations ...

Threat Detection Engineer

Hiring Organisation
Barclay Simpson
Location
City of London, London, United Kingdom
detection fidelity Assess and improve SIEM architecture, including ingestion pipelines, parsing, and correlation logic Implement automation and orchestration (SOAR) to streamline response activities Log Source Onboarding & Integration Identify and onboard new log sources across cloud, network, endpoint, and application environments Develop custom parsers, connectors, and ingestion playbooks Collaborate with … Proactive, self-driven approach with strong analytical capability Desirable Experience Data Loss Prevention (DLP) Secure remote access solutions Network security technologies Threat intelligence and open-source security tools Experience with SaaS, IaaS, PaaS, and DaaS environments Business continuity and disaster recovery planning Knowledge of data privacy regulations ...

Senior AI Research Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
research to deliver high quality models enabling multiple AI projects at scale. Contribute back to the research community via academic publications, tech blogs, opensource code and contributing to internal/external AI challenges. Experience in developing computer vision algorithms for resource‐constrained devices such as mobile phones ...

Senior Python Engineer: AI Agents & Forecasting

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience including random forests, regression models, scikit-learn, and PyTorch AWS infrastructure experience deploying containerised applications and managing cloud environments (EC2, Lambda, RDS) Open-source contributions to AI or crypto projects Compensation Salary: £80,000 to £120,000 depending on experience Equity: Competitive for the right candidate Hours ...

Principal Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pipelines, and containerization (Docker, Kubernetes) With preferred backgrounds covering some of the following: Experience with speech‐to‐text or text‐to‐speech Contributions to opensource projects or published research in top‐tier conferences We encourage you to apply even if you do not feel you match … exhaustive. If you are interested in the role, the team, and our mission, we would love to consider your application. We are always open to conversations and look forward to hearing from you. Who we are: Speechmatics is the leading expert in Speech Intelligence, and uses AI and Machine ...

Lead Data Platform Engineer (DV Clearable) - Up to £140,000

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
within a secure, cloud-native environment. You will play a key role in building scalable, resilient, and low-latency data platforms, working with modern open-source and commercial technologies while driving engineering excellence across the team. Key Responsibilities Design, develop, document, and deploy backend services and platform features … including: Continuous delivery Clean code principles Automated testing & TDD Code reviews and documentation Experience working in Agile/DevOps environments Proficiency with Git-based source control (GitHub/GitLab) Experience working with Big Data technologies Strong hands-on experience with AWS or other public cloud platforms Desirable Skills Experience ...

AI Solution Architect - Senior Manager/Associate Director | Capital Markets

Hiring Organisation
Datatech
Location
London, United Kingdom
Employment Type
Permanent
containerised and GPU enabled environments ·Supporting AI implementation programmes from proof of concept through to enterprise deployment and optimisation ·Evaluating and selecting technologies across open source and commercial platforms ·Designing and integrating AI solutions into existing enterprise systems and applications ·Working with AI Engineers, Data Scientists and technical ...

Senior/Staff Software Engineer, Backend

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
silos. What you see in the editor is what ships in production. Companies like Spotify, Duolingo, LinkedIn, Google, and Fortune 500 automakers use our open-source runtimes to build once and ship everywhere — websites, apps, games, and vehicles. We’re looking for a Senior Software Engineer to join ...

Quantitative Trading & Research - Global Clearing - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
kdb+/q, SQL), and performance engineering for large‐scale simulations. Contributions to research (internal notes, publications, patents, conference talks) and engagement with the opensource scientific computing ecosystem. Benefits Competitive total rewards package including base salary, commission‐based pay, and discretionary incentive compensation. Benefits include comprehensive health ...

Quantitative Trading & Research - Global Clearing - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
kdb+/q, SQL), and performance engineering for large-scale simulations. Contributions to research (internal notes, publications, patents, conference talks) and engagement with the open-source scientific computing ecosystem. Compensation & Benefits We offer a competitive total rewards package including base salary determined based on the role, experience, skill ...

Data Analytics Engineer

Hiring Organisation
Intec Select Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 70,000 Annual
platform's data modelling and architecture Building dashboards and semantic models, and presenting these directly to stakeholders Working across the full pipeline from source systems to target repositories, with a strong focus on data quality Collaborating with Data Scientists to help productionise ML pipelines Operating within an Agile/… experience building data platforms in a commercial setting Nice to have: Real-time pipeline experience Azure Data Engineer certification Exposure to Kafka or other open-source tools Background in a regulated industry (finance/insurance) Details: 60,000 - 70,000 Permanent position Hybrid (Basingstoke ...

Data Analytics Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
platform's data modelling and architecture Building dashboards and semantic models, and presenting these directly to stakeholders Working across the full pipeline from source systems to target repositories, with a strong focus on data quality Collaborating with Data Scientists to help productionise ML pipelines Operating within an Agile/… experience building data platforms in a commercial setting Nice to have: Real-time pipeline experience Azure Data Engineer certification Exposure to Kafka or other open-source tools Background in a regulated industry (finance/insurance) Details: £60,000 - £70,000 Permanent position Hybrid (Basingstoke ...

Senior Rust Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
long as they are strong senior developers in another systems language (e.g. C/C++ etc.) and can demonstrate proficiency in Rust through open source contributions and/or personal projects. If you have a portfolio of Rust projects that you have authored and can share then this … areas is important to us. Languages Rust, C, C++ and Python About us Founded in 2022, team of 70+ which is expanding rapidly Modern, open offices in London and Bristol Collaborative, problem-solving culture built on deep curiosity, entrepreneurial initiative and technical fluency Fractile offers hybrid working. You will ...