51 to 75 of 274 Open Source Jobs

Software Engineer ( Python )

Hiring Organisation
Experis
Location
London Area, United Kingdom
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 ...

Software Engineer (GenAI)

Hiring Organisation
AJ Bell
Location
Salford, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
technical skills : Strong knowledge and deep experience of Python programming, libraries and toolchains Familiarity with large language models (LLMs) like GPT, Gemini, and open-source models such as Lama and MRR Solid understanding of RESTful API design and implementation Git based source control and JIRA Bonus points ...

AI Engineer

Hiring Organisation
Orion Innovation
Location
London Area, United Kingdom
secure API integration Exposure to multi-agent patterns (e.g., supervisor-worker, planner-executor, judge-critic) is a strong plus Nice to Have Contributions to open-source agent frameworks or AI tooling. Experience working with observability and monitoring tools to track agent performance. Exposure to knowledge graphs, memory management ...

Front End Engineer - AI

Hiring Organisation
Orion Innovation
Location
City of London, London, United Kingdom
secure API integration Exposure to multi-agent patterns (e.g., supervisor-worker, planner-executor, judge-critic) is a strong plus Nice to Have Contributions to open-source agent frameworks or AI tooling. Experience working with observability and monitoring tools to track agent performance. Exposure to knowledge graphs, memory management ...

Senior Technical Architect AI & Agentification

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
pipelines for agentic workflows). Familiarity with AI safety, alignment principles, guardrail frameworks (e.g. NeMo Guardrails, Guardrails AI), and responsible AI practices. Contributions to open-source AI or agentic projects, published research, or active presence in the technical AI community. Experience in regulated industries (finance, healthcare, legal) where ...

Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade-offs Experience ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reconciliation, and multi‐system migration environments. Other: Asynchronous/non‐blocking I/O frameworks (e.g., Vert.x, Netty), multi‐region/BCP architectures, and opensource contribution experience. ABOUT GOLDMAN SACHS At Goldman Sachs, we commit our people, capital and ideas to help our clients, shareholders ...

Global Banking & Markets - Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
reconciliation, and multi‐system migration environments. Other: Asynchronous/non‐blocking I/O frameworks (e.g., Vert.x, Netty), multi‐region/BCP architectures, and opensource contribution experience. ABOUT GOLDMAN SACHS At Goldman Sachs, we commit our people, capital and ideas to help our clients, shareholders ...

Senior Technology Development Operations Manager

Hiring Organisation
Cooley LLP
Location
Palo Alto, California, United States
Employment Type
Any
Salary
GBP Annual
ArgoCD) Familiarity with microservices deployment and release automation Hands-on with .NET Core containers on Linux and scripting in Linux/Windows Knowledge of open-source and NoSQL databases (e.g., MS SQL, MongoDB, Elasticsearch) Experience with APM tools (Datadog, New Relic, etc.) and IaC security tools (Snyk, tfsec ...

Lead Java Developer - Manchester

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
microservices architecture and containerization (Docker, Kubernetes) Exposure to CI/CD pipelines and DevOps practices Background in agile methodologies and delivery management Contributions to open-source Java libraries or frameworks Why Join Them? Work with brilliant, passionate engineers Real ownership & influence over the product roadmap Flexible working hours ...

Backend Software Engineer

Hiring Organisation
We Are Fr Group
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£800 - 850 per day
Design, develop and engineer software and products for customers across secure environments. Produce creative and innovative solutions to customer problems. Integrate and develop against open source components and frameworks. Understand and apply new and emerging technologies. Key Technologies You will use a range of technologies - some ...

Cloud Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
Up to £85 per hour
/ML security challenges and AI-driven security tooling Experience with Kafka, Pulsar, Splunk, or real-time streaming systems Golang expertise Experience contributing to open-source projects or internal developer platforms Knowledge of Microsoft Copilot ecosystem or AI agent frameworks Experience building highly scalable cloud-native services ...

AI Native Software Engineer

Hiring Organisation
TekWissen UK
Location
City of London, London, United Kingdom
fault‐tolerant deployments Collaboration Tools or Platforms Microsoft Office (Excel, Word, Outlook, Teams) AI Platforms & Models: OpenAI, Anthropic (Claude), Google Vertex AI, and select opensource models Agent & Orchestration Frameworks: LangGraph, AutoGen, CrewAI (or similar) Cloud & DevOps Tooling: Docker, Kubernetes, Terraform, Helm, CI/CD pipelines Enterprise Integration ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
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) Other Stuff NB: Please only apply if you are a British National ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
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) Other Stuff NB: Please only apply if you are a UK National ...

Sr. Lead AI Engineer (GenAI Platform)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Senior Lead AI Engineer,(MLX, Agentic AI, Gen AI platform Services)

Hiring Organisation
Capital One
Location
New York, United States
Employment Type
Permanent
Salary
USD Annual
components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Senior Lead AI Engineer (Gen AI Platform Services)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Senior Lead AI Engineer (GenAI Platform Services)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Sr. Lead AI Engineer (Gen AI Platform Services)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Sr. Lead AI Engineer (GenAI Platform)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Senior Manager AI Engineer (GenAI Platform Services)

Hiring Organisation
Capital One
Location
Mc Lean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Make high judgment build-vs-buy decisions across a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state ...

Staff Software Engineer

Hiring Organisation
ShareChat
Location
City of London, London, United Kingdom
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 ...

Red Team Operator

Hiring Organisation
Foregenix
Location
United Kingdom
C++, C#, Java), enabling custom tooling and automation. Active participation and genuine interest in the offensive security community (e.g., evidenced by contributions to open-source tools, security blogs, or conference participation), coupled with the ability to work autonomously and manage multiple high-stakes engagements effectively. Advanced level ...

AI Software Engineer

Hiring Organisation
Centrica - CHP
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
services into production. Strong experience with modern machine learning and or generative AI frameworks Experience working with large language models, either through fine tuning open source models or integrating with managed foundation model platforms. Hands-on experience building data pipelines and model workflows using tools such as Python ...