1 to 25 of 635 Open Source Jobs

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
Cambridge, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
Senior Software Engineer Salary: £55,000 - £65,000 Location: Cambridge (Hybrid - 2 days per week in office) Industry: Open-Source Software/Data & Collaboration Platforms The Opportunity I'm recruiting for a fast-growing Cambridge-based technology company that's making waves in open-source software … team growth. You'll be joining an engineering team of around 10 developers, working in a collaborative environment where mentorship, technical excellence, and open-source contributions are genuinely encouraged. What You'll Be Working On Designing, developing, and maintaining scalable open-source applications Building new features ...

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Senior Software Engineer Salary: £55,000 - £65,000 Location: Cambridge (Hybrid - 2 days per week in office) Industry: Open-Source Software/Data & Collaboration Platforms The Opportunity I'm recruiting for a fast-growing Cambridge-based technology company that's making waves in open-source software … team growth. You'll be joining an engineering team of around 10 developers, working in a collaborative environment where mentorship, technical excellence, and open-source contributions are genuinely encouraged. What You'll Be Working On Designing, developing, and maintaining scalable open-source applications Building new features ...

Senior Software Engineer - Ansible (Waterford Office, Ireland or Brno Office, Czech Republic)

Hiring Organisation
Red Hat, Inc
Location
Waterford, Ireland
Employment Type
Permanent
Salary
EUR 60,000 - 85,000 Annual
/CD systems like Jenkins and GitHub Actions Experience working on large-scale projects utilizing version control (we use Git and GitHub/GitLab), open-source experience is a plus Demonstrated ability to quickly and accurately troubleshoot system and performance issues Interest in participating in the software design … requirements of their role. Red Hatters are encouraged to bring their best ideas, no matter their title or tenure. We're a leader in open source because of our open and inclusive environment. We hire creative, passionate people ready to contribute their ideas, help solve complex problems ...

Senior Product Manager

Hiring Organisation
MariaDB Corporation
Location
Ireland
Employment Type
Permanent
Salary
EUR Annual
database engine, integrated AI capabilities, and high availability solutions. This is an important role at the intersection of distributed systems, OLTP, high availability, and open source innovation. You will contribute to the product direction for our scalable distributed architecture, our core MariaDB based OLTP server, and our synchronous … boundaries of what a database can do. While providing key product support for our core MariaDB based OLTP server, you will collaborate with the open source community that is core to our identity. Your work will empower organizations worldwide to build resilient, high performance applications. Key Responsibilities Product ...

Agentic AI Engineer Kyndryl Data & AI

Hiring Organisation
Kyndryl
Location
South East, United Kingdom
Employment Type
Permanent
possible and unleash your potential. Why this role matters Youll be part of a fast-moving group shaping Kyndryls Agentic AI Framework an open, modular system that connects data pipelines, LLMs, reasoning engines and orchestration layers to power autonomous solutions across industries. Were not just imagining the future … from proof-of-concepts to AI-native operations Collaborative innovation: Pair with data scientists, architects and platform engineers to deliver integrated, client-ready systems Open-source mindset: Contribute to the evolution of our Agentic AI framework and the wider AI ecosystem What youll do Design and build agentic ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Improving system performance, reliability, and security Projects include API-first platforms, data-driven services, and internal tooling that supports customer-facing applications. Tech Stack (Open-Source) Backend: Node.js (TypeScript) Frameworks: Express or NestJS APIs: REST, GraphQL Databases: PostgreSQL, MongoDB Infrastructure: Linux, Docker, CI/CD pipelines Cloud … Commercial experience as a Software Engineer Strong experience building backend services with Node.js Familiarity with TypeScript and modern JavaScript practices Experience working with open-source technologies in production Comfortable owning features from development through to delivery A collaborative mindset and experience working in Agile teams Salary & Benefits Salary ...

Embedded Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions LTD
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£60,000
Automation. What You'll Need Strong proficiency in C Experience with at least one of the following: C++, Python, Rust, or Java Familiarity with open-source technology stacks Understanding of modern software development practices Solid experience working in Linux environments About the Team You'll join a passionate … role, you'll work across the full software development lifecycle - from concept and design through to implementation and deployment. Experience with embedded systems and open-source technologies will give your application an edge. Who We're Looking For This role will suit Software Engineers who: Are genuinely enthusiastic ...

Storage Engineer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing. The Role: Design and develop scalable data orchestration services across cloud and on-prem environments. Create unified platform … abstractions to streamline data access across diverse storage technologies. Integrate open-source and vendor storage solutions through rapid prototyping and engineering. Optimise storage performance and efficiency across large-scale infrastructure. Collaborate across engineering functions to deliver robust end-to-end platform capabilities. Own operational responsibilities: troubleshooting, performance tuning ...

Shopify Developer

Hiring Organisation
Commercial
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
performing ecommerce experiences. Key Responsibilities Shopify Development Maintain, optimise, and enhance existing Shopify stores. Build new websites, storefronts, and landing pages using Shopify and open-source frameworks. Custom-code Shopify themes, templates, and features using Liquid. Implement and configure third-party integrations, apps, and payment gateways. Ensure fast … Diagnose and resolve technical issues across all company websites. Web Development Build and maintain in-house websites using HTML, CSS, JavaScript, PHP, or similar open-source technologies. Develop custom web functionality and integrations where required. Improve site architecture, navigation, and overall user experience. Test and deploy updates ...

OSINT Specialist

Hiring Organisation
Tadaweb
Location
Poole, England, United Kingdom
mind with the right information at the right time. We are a scale-up technology company that provides an operating system that makes OSINT (Open Source Intelligence) investigations more effective and efficient. Tadaweb is known within the industry for its "nothing is impossible" attitude and family-first culture … users, their bosses and key customer stakeholders. You will deliver training sessions on our platform and mentor our customers to deliver value in open-source data collection and analysis. You will be problem solving daily and helping customers with use cases that push what is technically possible. ...

Java Software Engineer

Hiring Organisation
Accenture
Location
England, United Kingdom
experience in the following skills Excellent hands-on experience with Java and associated technologies. Experience working with Spring Boot. Hands-on knowledge of open-source tools, libraries and standards. Some working knowledge of containers (Docker). Strong experience of working in Test Driven Development, test coverage, unit tests … Knowledge of both traditional and agile delivery methods. Drive and desire to further your skillset and lead in the application domain. Good knowledge of Open source and open standards. Strong analytical skills and attention to detail. Knowledge and demonstrable experience of both traditional and agile delivery methods. ...

Senior ML Research Engineer

Hiring Organisation
microTECH Global LTD
Location
Egham, England, United Kingdom
optimization to runtime integration of AI models on-device. Toolchain Evaluation: Compare deployment toolchains and runtimes for latency, memory, and accuracy trade-offs. Open-Source Contribution: Enhance open-source libraries by adding new features and improving capabilities. Experimentation & Analysis: Conduct rigorous experiments and statistical analysis ...

Senior ML Research Engineer

Hiring Organisation
microTECH Global LTD
Location
Guildford, Surrey, UK
Employment Type
Full-time
optimization to runtime integration of AI models on-device. Toolchain Evaluation: Compare deployment toolchains and runtimes for latency, memory, and accuracy trade-offs. Open-Source Contribution: Enhance open-source libraries by adding new features and improving capabilities. Experimentation & Analysis: Conduct rigorous experiments and statistical analysis ...

Sr. Lead, Software Engineer, Back End (Cloud Operations Resilience Engineering)

Hiring Organisation
Capital One
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD Annual
solutions that drive powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like Java, Python, SQL, Node, Go, and Scala, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor … following: Java, Scala, Python, Go, or Node.js 3+ years of experience with AWS, GCP, Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices Capital One will consider sponsoring a new qualified ...

Senior Lead Software Engineer, Full Stack

Hiring Organisation
Capital One
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD Annual
powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor … Java, TypeScript, SQL, Python, or Go 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices Capital One will consider sponsoring a new qualified ...

Lead Software Engineer, Back End

Hiring Organisation
Capital One
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD Annual
solutions that drive powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like Java, Python, SQL, Node, Go, and Scala, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor … following: Java, Scala, Python, Go, or Node.js 2+ years of experience with AWS, GCP, Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices At this time, Capital One will not sponsor ...

Lead Software Engineer, Back End/Full Stack (Intelligent Foundations & Experiences)

Hiring Organisation
Capital One
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD Annual
solutions that drive powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like Java, Python, SQL, Node, Go, and Scala, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor … following: Java, Scala, Python, Go, or Node.js 2+ years of experience with AWS, GCP, Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices At this time, Capital One will not sponsor ...

Lead Software Engineer, Full Stack

Hiring Organisation
Capital One
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD Annual
powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services Basic Qualifications: Bachelor … Java, TypeScript, SQL, Python, or Go 3+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service 4+ years of experience in open source frameworks 1+ years of people management experience 2+ years of experience in Agile practices At this time, Capital One will not sponsor ...

Data & AI Senior Consultants - Dynamic AI Consulting firm

Hiring Organisation
Staffworx Limited
Location
Home Based, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
engineering, model selection, handling imbalanced data, choosing and interpreting metrics Experience with PyTorch or TensorFlow GenAI specific Hands on experience with LLM APIs or open source models such as Llama or Mistral Experience building RAG systems with vector databases such as FAISS, Pinecone or Weaviate Ability to evaluate … bash Experience with BI tools such as Looker or Tableau Prior consulting experience or leading client projects end to end Contributions to open source, conference talks or published papers that show your ability to share ideas and influence the wider community Got a background that fits ...

Data & AI Senior Consultants

Hiring Organisation
Staffworx Limited
Location
United Kingdom
Employment Type
Permanent, Work From Home
engineering, model selection, handling imbalanced data, choosing and interpreting metrics Experience with PyTorch or TensorFlow GenAI specific Hands on experience with LLM APIs or open source models such as Llama or Mistral Experience building RAG systems with vector databases such as FAISS, Pinecone or Weaviate Ability to evaluate … bash Experience with BI tools such as Looker or Tableau Prior consulting experience or leading client projects end to end Contributions to open source, conference talks or published papers that show your ability to share ideas and influence the wider community #DataAIConsultant #DataConsulting #AIConsultant #GenAIConsultant #HiringNow #DataScience #MachineLearning ...

Senior Software Engineer, Platform Observability Remote - Ireland

Hiring Organisation
Twilio
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 60,000 - 90,000 Annual
Design and build developer-friendly tooling and APIs to support incident response, performance analysis, and platform debugging at scale. Leverage (and optionally contribute to) open-source standards like OpenTelemetry to ensure interoperability and extensibility. Champion a pragmatic approach to observability-balancing performance, cost, and user value across diverse … looking technical decisions and lead others through ambiguity. Familiarity with ClickHouse, Grafana Loki, Athena, or equivalent systems for log and metrics querying. Contributions to open-source observability tools or communities. Experience building cost visibility or FinOps tooling for cloud compute and telemetry pipelines. Location This role will ...

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
office) Industry: Sustainable Technology/Data & Analytics Platforms The Opportunity I'm recruiting for a growing Birmingham-based tech company that's building open, scalable software used to power data-driven platforms in the sustainability and energy space. This is an exciting opportunity for a Senior Software Engineer … Working closely with Product, Design, and Data teams Projects include customer-facing dashboards, data ingestion services, internal tooling, and API-first platforms. Tech Stack (Open-Source) Backend: PHP (Laravel), Python Frontend: JavaScript, TypeScript, React APIs: REST, GraphQL Databases: PostgreSQL, MySQL, Redis Infrastructure: Linux, Docker, Kubernetes, CI/ ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
Hockley, Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
office) Industry: Sustainable Technology/Data & Analytics Platforms The Opportunity I'm recruiting for a growing Birmingham-based tech company that's building open, scalable software used to power data-driven platforms in the sustainability and energy space. This is an exciting opportunity for a Senior Software Engineer … Working closely with Product, Design, and Data teams Projects include customer-facing dashboards, data ingestion services, internal tooling, and API-first platforms. Tech Stack (Open-Source) Backend: PHP (Laravel), Python Frontend: JavaScript, TypeScript, React APIs: REST, GraphQL Databases: PostgreSQL, MySQL, Redis Infrastructure: Linux, Docker, Kubernetes, CI/ ...

Principal Software Engineer

Hiring Organisation
Keurig Dr Pepper
Location
Frisco, Texas, United States
Employment Type
Permanent
Salary
USD Annual
plans and risk mitigation. Coach tech leads; partner with Security, Architecture Data, and Legal on compliance-by-design. Coordinate with internal platform teams and open-source communities to align on standards. Who you are Proven leadership across multiple engineering teams in SDLC/Agile/DevOps at enterprise … Education/Experience: Bachelor's in CS/IS or equivalent; 5+ years minimum as a developer/engineer; enterprise leadership experience required . Open-source familiarity (examples; no vendors Expert knowledge of system dev. life cycle (SDLC) methodologies (e.g., waterfall, spiral, SAFe , agile, rapid prototyping, incremental, synchronize ...

Mid-Level, DevOps Engineer- Azure

Hiring Organisation
European Bank for Reconstruction and Development
Location
United Kingdom, UK
disaster recovery. • Experience of setting up CI/CD pipelines including production deployments • Configuration management tooling. • Package/dependency management solutions. • Commercial or open source observability tooling. • Comfortable provisioning platforms through IaC tools. • Robust understanding of on-premise infrastructure. • The ability to apply DevOps tools and practices … inform you that we are unable to provide detailed feedback to candidates who have not been shortlisted (for further consideration). Job Segment: Cloud, Open Source, Sustainability, Engineer, Banking, Technology, Energy, Engineering, Finance ...