1 to 25 of 450 Open Source Jobs

Opensource Software Engineer

Hiring Organisation
Lorien
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Open Source Software Engineer Location: Cheltenham DV Clearence - Required Are you passionate about open source technologies and building innovative solutions? We are looking for an Open Source Software Engineer to join our team and deliver bespoke solutions across multiple platforms, disconnected networks, and cloud … environments. About the Role As an Open Source Software Engineer, you will work within a small, collaborative team to design and develop software solutions based on open source principles. You'll contribute to all stages of the development life cycle, from requirements gathering to deployment, while ...

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 - Telco Engineering (Ireland)

Hiring Organisation
Red Hat, Inc
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 60,000 - 80,000 Annual
industry-leading technologies in the Kubernetes ecosystem.As a part of a geographically distributed team, you will collaborate with multiple Red Hat engineering teams and open source communities around the globe. To be successful in this role, you will need to have motivation, curiosity, passion for problem solving, experience … with Telco technologies, Linux, Kubernetes, and open source.What you will do Play an active role researching and then integrating various Kubernetes and TelCo features into an unified solution. Daily activities will be deploying, automating, demonstrating, troubleshooting and documenting integrations Develop and integrate changes in multiple projects to troubleshoot, analyse ...

Senior Software Engineer - Azure Red Hat OpenShift

Hiring Organisation
Red Hat, Inc
Location
Ireland
Employment Type
Permanent
Salary
EUR 70,000 - 90,000 Annual
role in container and virtualization-related projects and communities like Kubernetes, Red Hat OpenShift, and KubeVirt Create and guide new feature development; contribute to open source projects in Golang, Python. Coordinate with team leads, architects, and other engineers on the design and architecture of our offerings Become responsible … considered a plus: Experience with cloud development Familiarity with virtualization, networking, or storage Background in DevOps or site reliability engineering (SRE) Experience with open source development About Red Hat is the world's leading provider of enterprise software solutions, using a community-powered approach to deliver high-performing ...

Senior Software Engineer - API Server (OpenShift)

Hiring Organisation
Red Hat, Inc
Location
Waterford, Ireland
Employment Type
Permanent
Salary
EUR 60,000 - 80,000 Annual
assist us in ensuring the OpenShift Kubernetes foundation is rock solid. Create and guide new feature development; contribute to high profile and strategic open source projects in Kubernetes SIGs Create/submit patches for bug fixes and review patches from other contributors Continuously test your component/code … Kubernetes API Server, Control Plane components, and architecture Experience working with Red Hat OpenShift Knowledge of Distributed Systems Record of contributing to an open source project or community including Kubernetes special interest groups (SIGs) Graduate of computer science or software engineering or equivalent work experience Presentations skills ...

Lead Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Lead Software Engineer Salary: £70,000 - £80,000 Location: Leicester (Hybrid - 2 days per week in office: Tuesday & Thursday) Industry: Open-Source/Enterprise Web Applications The Opportunity I'm recruiting for an ambitious Leicester-based tech company that's expanding its engineering leadership team. This role … mentor a team, and deliver enterprise-grade solutions. You'll lead a team of around 15 developers, working in a collaborative environment that values open-source contributions, code quality, and professional growth. What You'll Be Working On Leading the design, development, and maintenance of scalable web applications ...

Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Level Software Engineer Salary: £45,000 - £55,000 Location: Oxford (Hybrid - 3 days per week in office) Industry: Open-Source Software/Digital Platforms The Opportunity I'm recruiting for an innovative Oxford-based tech company that's expanding its engineering team to support its growing suite … open-source digital platforms. This role is perfect for a mid-level Software Engineer who wants to take on exciting projects while benefiting from mentorship and guidance from a supportive senior engineering team. You'll join an engineering team of around 12 developers, working in a collaborative environment ...

Mid-Level Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Derby, Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Level Software Engineer Salary: £45,000 - £55,000 Location: Derby (Hybrid - 1 day per week in office) Industry: Open-Source/Cloud-Based Platforms The Opportunity I'm recruiting for a forward-thinking Derby-based tech company that's expanding its engineering team. This role is perfect … level Software Engineer who wants to work on scalable open-source applications while learning from a supportive senior team. You'll join a team of around 10 developers, working in a collaborative environment where code quality, innovation, and professional development are genuinely encouraged. What You'll Be Working ...

Senior Director, EMEA Cloud Ecosystem (UK or Germany) (m/f/d)

Hiring Organisation
Red Hat, Inc
Location
München, Bayern, Germany
Employment Type
Permanent
Salary
EUR 120,000 - 150,000 Annual
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 … make an impact. Inclusion at Red Hat Red Hat's culture is built on the open source principles of transparency, collaboration, and inclusion, where the best ideas can come from anywhere and anyone. When this is realized, it empowers people from different backgrounds, perspectives, and experiences to come ...

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 ...

Senior Database Administrator - Temp to Perm

Hiring Organisation
Greenlight Professional Services (GPS)
Location
Richfield, Ohio, United States
Employment Type
Any
Salary
USD Annual
PostgreSQL Richfield, OH $55 $60/hr Temp-to-Perm Were seeking an experienced PostgreSQL DBA to support database operations in a fast-paced, open-source environment (primarily RHEL). This is a temp-to-perm opportunity working across PostgreSQL, MS SQL Server, and other open-source … experience as a PostgreSQL DBA Strong knowledge of PostgreSQL architecture and tuning Proficiency with backup/recovery strategies and query optimization Experience in open-source/Linux environments (especially RHEL) Familiarity with scripting languages (e.g., Bash, Python) Excellent problem-solving and communication skills Bachelor's degree ...

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 ...

Node.js/Angular Developer

Hiring Organisation
Best analyticsllc.com
Location
Linthicum Heights, Maryland, United States
Employment Type
Any
Salary
USD Annual
Duties: Work cross-functionally and collaboratively to develop an application using open source technologies. Create single page applications using HTML5, Angular, node.js and java, based on user stories with documented acceptance criteria. Troubleshoot issues and create code fixes for open source products. Address defects and collaboratively … RESTful web services using Node.JS. Experience with Angular 2/4/6. Experience with agile development methodologies. Experience with issue resolution skills within open source products. Experience with troubleshooting and improving performance of single page applications using Angular. Experience with AWS cloud based development. Functional experience ...

(Former) CTO

Hiring Organisation
Langfuse
Location
Britz, Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
About Langfuse Open Source LLM Engineering Platform that helps teams build useful AI applications via tracing, evaluation, and prompt management (mission, product) We have the chance to build the "Datadog" of this category; model capabilities continue to improve but building useful applications is really hard, both in startups … enterprises Largest open source solution in this category: >2k customers, >14M monthly SDK downloads, >6M docker pulls We raised money from world class investors (Y-Combinator, Lightspeed, General Catalyst) and are default alive by making more money than we spend We're a small, engineering-heavy, and experienced ...

Magento Developer

Hiring Organisation
TEAM
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
shape a high-volume e-commerce platform, this Magento Developer role gives you exactly that. Youll lead the technical direction of a Magento 2 (Open Source) platform that sits at the heart of ambitious growth plans through 2026 and beyond. This is a hands-on, senior position … leave plus additional benefits and company events As Magento Developer, youll be responsible for: Owning the stability, performance and evolution of a Magento 2 Open Source platform Designing, building and maintaining custom modules and backend functionality Delivering upgrades, new features and additional EU storefronts Managing integrations with ...

Shopify Developer

Hiring Organisation
Impact Recruitment Services
Location
Kettering, Northamptonshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
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 ...

Sales Director (Telco Sector) - Germany, Austria, Switzerland

Hiring Organisation
MBR Partners
Location
HafenCity, Hamburg, Germany
Employment Type
Permanent
Salary
EUR 60,000 - 100,000 Annual
client is one of Europe's fastest-growing companies and provides open-source solutions and offers their own widely adopted Linux-based operating system. They provide licensed enterprise software products, commercial support, managed services, consulting and training services to customers who are deploying open source applications … business, maintain and develop existing relationships, and work with colleagues and partners on account strategy. They must be comfortable selling enterprise software, open source, cloud, virtualization, container technologies and technical software solutions to senior levels of the enterprise. There will be some lead generation support from sales development ...

Sales Director (Telco Sector) - Germany, Austria, Switzerland

Hiring Organisation
MBR Partners
Location
Britz, Berlin, Germany
Employment Type
Permanent
Salary
EUR 60,000 - 100,000 Annual
client is one of Europe's fastest-growing companies and provides open-source solutions and offers their own widely adopted Linux-based operating system. They provide licensed enterprise software products, commercial support, managed services, consulting and training services to customers who are deploying open source applications … business, maintain and develop existing relationships, and work with colleagues and partners on account strategy. They must be comfortable selling enterprise software, open source, cloud, virtualization, container technologies and technical software solutions to senior levels of the enterprise. There will be some lead generation support from sales development ...

Sales Director (Telco Sector) - Germany, Austria, Switzerland

Hiring Organisation
MBR Partners
Location
München, Bayern, Germany
Employment Type
Permanent
Salary
EUR 60,000 - 100,000 Annual
client is one of Europe's fastest-growing companies and provides open-source solutions and offers their own widely adopted Linux-based operating system. They provide licensed enterprise software products, commercial support, managed services, consulting and training services to customers who are deploying open source applications … business, maintain and develop existing relationships, and work with colleagues and partners on account strategy. They must be comfortable selling enterprise software, open source, cloud, virtualization, container technologies and technical software solutions to senior levels of the enterprise. There will be some lead generation support from sales development ...

Sales Director (Telco Sector) - Germany, Austria, Switzerland

Hiring Organisation
MBR Partners
Location
Düsseldorf, Nordrhein-Westfalen, Germany
Employment Type
Permanent
Salary
EUR 60,000 - 100,000 Annual
client is one of Europe's fastest-growing companies and provides open-source solutions and offers their own widely adopted Linux-based operating system. They provide licensed enterprise software products, commercial support, managed services, consulting and training services to customers who are deploying open source applications … business, maintain and develop existing relationships, and work with colleagues and partners on account strategy. They must be comfortable selling enterprise software, open source, cloud, virtualization, container technologies and technical software solutions to senior levels of the enterprise. There will be some lead generation support from sales development ...

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 ...

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 ...