126 to 150 of 275 Open Source Jobs

Director, Application Architecture, Content Platforms

Hiring Organisation
S&P Global
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
140000 to 185000 USD Annually
overall software development experience with at least 3+ years in high-level architecture design and implementation Expert-level proficiency in a Java based or open-source ecosystem, with strong experience in building enterprise-scale applications and microservices architectures Proven experience designing and implementing cloud-native architectures using ...

Senior Site Reliability Engineer

Hiring Organisation
Realm
Location
City of London, London, United Kingdom
Hands-on experience with data centre or bare-metal infrastructure Knowledge of high-performance networking technologies Experience managing large-scale storage systems (commercial or open-source) Compensation & Benefits Competitive salary and equity package Retirement or pension contributions aligned with local standards Health coverage including medical, dental, and vision ...

Python Developer

Hiring Organisation
Sanderson
Location
United Kingdom
Exposure to containerized environments (Docker, Kubernetes) and CI/CD workflows Familiarity with data pipelines and integration with AI/ML models Contributions to open-source projects or Python/Django communities ...

Machine Learning Engineer PyTorch LLM

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
friendly office Pension Monthly socials Impactful role that you can shape and influence Your role: As a Machine Learning Engineer you'll take open-source LLMs (code and general models) and turn them into high-performance software engineer agents using supervised fine tuning and large scale reinforcement learning. ...

Senior Full Stack Engineer @ Eloquent AI (YC X25)

Hiring Organisation
Eloquent AI
Location
United Kingdom
design and have built intuitive, AI-driven interfaces. You have experience with GraphQL, WebSockets, or real-time data streaming. You’ve contributed to open-source projects or have built developer tools for AI. Whats on offer: Salary up to £120k. Meaningful early equity. Remote-first setup anywhere ...

Kubernetes Linux AIOps Engineer – Elite Quant Hedge Fund

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
write high quality Automation/scripts from scratch. Configuration Management Tools (Ansible/Puppet/Kapitan/Terraform....) Observability: Experience within the modern open-source ecosystem (ELK, OpenTelemetry, LGTM stack, Prometheus, Grafana, Loki...) CI/CD and GitLab/GitOps : working with Development teams. A track-record ...

Geospatial Engineer

Hiring Organisation
nxzen
Location
England, United Kingdom
driven data architectures. Knowledge of ArcGIS Enterprise, ArcGIS Online, or other geospatial platforms. Scripting or workflow automation experience beyond core data engineering. Exposure to open-source geospatial tools and libraries. Summary This is an excellent opportunity for a capable Geospatial Data Engineer who enjoys hands‐on development ...

Senior Cloud Security Engineer

Hiring Organisation
N26 GmbH
Location
Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
communication skills. Growth-Driven: A growth mindset focused on learning and pushing the team forward. Community Contributor: Contributions to the security community, such as open-source tools, research papers, conference talks, etc. Educational Background: A Master's degree in cybersecurity or a related field or a Bachelor ...

Senior Cloud Security Engineer

Hiring Organisation
N26 GmbH
Location
Potsdam, Brandenburg, Germany
Employment Type
Permanent
Salary
EUR Annual
communication skills. Growth-Driven: A growth mindset focused on learning and pushing the team forward. Community Contributor: Contributions to the security community, such as open-source tools, research papers, conference talks, etc. Educational Background: A Master's degree in cybersecurity or a related field or a Bachelor ...

Senior C++ Developer (Hybrid, UK-Based)

Hiring Organisation
Hoptroff
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
database experience Python and/or Go (Golang) for tooling, automation, or supporting services Familiarity with time synchronisation protocols such as PTP or NTP Open-source contributions or evidence of staying current with the C++ standard Open to integrating AI tools where they add value What ...

Senior AWS Data Engineer - SC Cleared

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £450 per day
robust data pipelines for ingestion, processing, and transformation Implement and maintain ETL/ELT workflows feeding data warehouses, data lakes, or lakehouse platforms Leverage open-source and AWS-native tools to deliver scalable data solutions Apply DevOps practices , including CI/CD and automation Ensure solutions align with … solutions Experience working in Agile (Scrum) delivery environments Strong communication and stakeholder-management skills Proactive, collaborative, and delivery-focused mindset Desirable Skills Knowledge of open table formats (Iceberg, Delta) Experience with additional AWS services (CloudWatch, SNS, Athena, DynamoDB, EMR, Kinesis) Data modelling Job scheduling and orchestration tools Data virtualisation ...

Forensic Data Analytics Manager

Hiring Organisation
KPMG UK
Location
London Area, United Kingdom
role The role will involve leading a team deploying forensic analytics (including testing routines across structured data and LLM-enabled unstructured, structured and open-source data analysis) over large datasets to help our clients solve their most complex fraud, misconduct and integrity matters. This role requires a deep … need to do is apply, create a profile, upload your CV and begin to make your mark with KPMG. Our Locations: We are open to talk to Forensic talent across the country but our core hubs for this role are: Birmingham London Canary Wharf Manchester With 20 sites across ...

Lead Software Engineer

Hiring Organisation
Sanderson Government & Defence
Location
Cheltenham, England, United Kingdom
secure backend platforms used by National Security and Defence customers. You’ll work on modern cloud‐based systems using a mix of commercial and opensource technologies across private and public cloud environments. What you’ll be doing Designing, building, deploying and improving backend services and platforms Delivering ...

Cloud Engineer

Hiring Organisation
X4 Technology
Location
London Area, United Kingdom
highly scalable, cloud-native platforms in secure environments. This is a great opportunity to work on mission-critical systems, leveraging modern DevOps, automation, and open-source technologies. Cloud Engineer – Key Responsibilities Automating infrastructure and application deployments in secure AWS environments Building and maintaining CI/CD pipelines ...

Lead Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
secure backend platforms used by National Security and Defence customers. You'll work on modern cloud-based systems using a mix of commercial and open-source technologies across private and public cloud environments. What you'll be doing Designing, building, deploying and improving backend services and platforms Delivering ...

Artificial Intelligence Engineer

Hiring Organisation
Soho Square Solutions
Location
London Area, United Kingdom
accuracy, latency, and reliability • Implement observability and monitoring for agent lifecycle AI Platform Integration • Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) • Build abstraction layers to support multi-model and multi-provider architectures • Optimize model usage for performance, cost, and latency Cloud-Native Development ...

Forward Deployed Engineers

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
accuracy, latency, and reliability Implement observability and monitoring for agent lifecycle AI Platform Integration Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) Build abstraction layers to support multi-model and multi-provider architectures Optimize model usage for performance, cost, and latency Cloud-Native Development ...

Forward Deployed Engineers

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day + Inside IR35
accuracy, latency, and reliability Implement observability and monitoring for agent lifecycle AI Platform Integration Integrate with AI providers (e.g., OpenAI, Anthropic, Google Vertex, open-source models) Build abstraction layers to support multi-model and multi-provider architectures Optimize model usage for performance, cost, and latency Cloud-Native Development ...

Full Stack Developer

Hiring Organisation
CMD Recruitment
Location
Melksham, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
cost-saving insights and predictive maintenance through robust data engineering and modern software practices. The focus of this role is to integrate existing and open-source software and hardware to deliver these innovative services. This includes building and maintaining automated data pipelines, managing cloud infrastructure and creating digital ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
West London, London, United Kingdom
Employment Type
Contract, Work From Home
agentic systems Familiarity with secure-by-design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open-source AI/ML projects Soft Skills Delivery-focused - you ship working systems, not prototypes Comfortable operating across the stack when needed Strong ...

Threat Intelligence Manager

Hiring Organisation
Foregenix
Location
United Kingdom
such as Kubernetes, Docker, or serverless functions. Hands-on experience evaluating, implementing, and managing dedicated Threat Intelligence Platforms (TIPs) and integrating various commercial and open source OSINT, and internal intelligence feeds. Expertise in security operations, threat detection methodologies, and managing defensive platforms (SIEM, EDR, SOAR). Exposure ...

Chief Technology Officer (CTO)

Hiring Organisation
Jobleads-UK
Location
Havant, England, United Kingdom
defining agency technology offerings or service lines. Exposure to multiple industry verticals. Experience with AI applications, automation, or emerging technology R&D. Contributions to opensource projects or thought leadership within the tech community. How to apply Please submit your CV and a covering letter outlining your relevant ...

Head of Sales

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
secure, and innovate across cloud, data platforms, and AI by blending practical engineering expertise with real-world experience. Drawing on our background in creating open source projects like Terranetes and our self‐service agentic developer platform, Wayfinder, we bring that industry know‐how and expertise into your organisation … launch of Wayfinder as an agentic developer platform. The right candidate will have a strong services background and understand how to use product to open and expand those relationships. This is a player‐coach role, with both a personal new business contribution and accountability for the team’s collective ...

SOC Engineer - 6 Month FTC

Hiring Organisation
Precise Placements
Location
London, UK
Employment Type
Full-time
propose improvements to ingestion pipelines, parsing rules, correlation logic, and storage management. Implement automation and orchestration components (SOAR) to streamline incident response activities. Log Source Onboarding & Integration Identify, prioritise, and onboard new log sources from cloud, on-prem, network, endpoint, identity, and application platforms. Develop and maintain custom parsers … colleagues at all levels and project a solid, professional attitude consistently. Nice to have Data Loss Prevention Secure Remote Access solutions Network Security solutions Open Source and Cyber Threat Intelligence Suitable experience working with the market leading technology vendor product suites Experience in software-defined and cloud services ...

SOC Engineer - 6 Month FTC

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65,000 - £80,000 per annum
propose improvements to ingestion pipelines, parsing rules, correlation logic, and storage management. Implement automation and orchestration components (SOAR) to streamline incident response activities. Log Source Onboarding & Integration Identify, prioritise, and onboard new log sources from cloud, on-prem, network, endpoint, identity, and application platforms. Develop and maintain custom parsers … colleagues at all levels and project a solid, professional attitude consistently. Nice to have Data Loss Prevention Secure Remote Access solutions Network Security solutions Open Source and Cyber Threat Intelligence Suitable experience working with the market leading technology vendor product suites Experience in software-defined and cloud services ...