126 to 150 of 650 Open Source Jobs in the UK

tuning, feature engineering, and MLOps practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases (Pinecone, ChromaDB, FAISS), embeddings, and building AI-powered automation solutions More ❯

your team to success and leading by example. What Youll Be Doing 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. Provide Expert Insights: Conduct technical More ❯

or event-driven architectures Experience leading migrations (e.g., monolith → services, PHP upgrades, cloud re-architecture) Exposure to front-end frameworks (React, Vue, etc.) for full-stack collaboration Contribution to open-source projects or technical community involvement More ❯

or event-driven architectures Experience leading migrations (e.g., monolith → services, PHP upgrades, cloud re-architecture) Exposure to front-end frameworks (React, Vue, etc.) for full-stack collaboration Contribution to open-source projects or technical community involvement More ❯

and experimentation We'd love to hear from you if you Have an advanced degree in Computer Science, Mathematics or a similar quantitative discipline Are proficient with Python, including open-source data libraries (e.g Pandas, Numpy, Scikit learn etc.) Have experience productionising machine learning models Are an expert in one of predictive modeling, classification, regression, optimisation or recommendation More ❯

physics, computer science, engineering, or a related field. Understanding of data science concepts and experience collaborating with data scientists to productionise machine learning models. Active participation in tech or open-source communities, with a passion for sharing knowledge and inspiring others. Strong communication skills, with the ability to translate complex business needs into effective technical solutions. The salary … We expect to pay from £100,000 - £160,000 for this role. But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development More ❯

to data problems Knowledge of data visualisation tools such as Tableau or Power BI Interest in building Machine learning and Data science applications Ability to use wide variety of open-source technologies Knowledge and experience using at least one Data Platform Technology such as Quantexa, Palantir and DataBricks Knowledge of test automation frameworks and ability to automate testing … with our recruitment team, all you 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 talent across the country but our core Tech hubs for this role are: Leeds This position will be based from our Leeds offices, with 3 days More ❯

JSON, XML, CSV, etc., and detail oriented; Experience in developing and deploying applications and solutions using cloud platforms, such as AWS, Azure, Google Cloud, etc.; A portfolio of supported Open Source GitHub projects (desirable); Experience in leading and managing technology teams and projects, including agile methodologies, budgeting, reporting, and documentation; and Passionate and knowledgeable about climate and sustainability … professional relationships with others. People who come together to make the world a better place forge a close connection. Selection Process As a voluntary organization, we are pleased to open the door for candidates who may not have the prior experience they need to start, progress, or switch their careers. To recruit the most suitable, talented, or potential new … complete the following assessment. Section A: Verbal and Numerical Reasoning (20 multiple choice questions) Section B: Situation Judgement Test (20 multiple choice questions) Section C: In Tray Exercise (An open ended assessment relevant to the duties of the role) Candidates who pass all three sections will be invited to attend a phone screening, first interview, and final interview online. More ❯

core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll … and familiarity with working in technology-driven organisations or start-ups Experience with Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a Senior Go Developer looking for a fast-paced, collaborative contract role where your work will ship quickly and matter to real users More ❯

means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: Firefox developers land code every day to delight users with new … life/AD&D, disability, EAP, etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. More ❯

Keras, SKLearn) Proficiency with Git, Unix/Linux, Docker Cloud experience (AWS, Azure, or similar) Excellent communication skills UK citizen eligible for SC clearance Nice to have: MLOps experience Open source contributions Curiosity for learning new tech Perks: £50k–£60k salary EMI share scheme Personal L&D budget 25 days holiday (rising to 30) Pension More ❯

to gain buy-in and feedback on proposals and designs. Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding More ❯

context management, orchestration). Familiarity with MCP or similar standards for managing model interactions and tooling integration. Knowledge of A/B testing and automated UX optimization. Contributions to open-source projects in automation, AI, or web engineering. More ❯

We're Looking For* Strong experience with orchestration tools (Airflow, Prefect, Dagster).* Expertise in Docker and Kubernetes.* Solid understanding of CI/CD principles and tooling.* Familiarity with open-source data technologies (Spark, Kafka, PostgreSQL).* Knowledge of Infrastructure as Code (Terraform, Ansible).* Understanding of data architecture principles.* Experience with monitoring tools like Grafana and Prometheus. More ❯

to gain buy-in and feedback on proposals and designs. Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding More ❯

We're Looking For * Strong experience with orchestration tools (Airflow, Prefect, Dagster). * Expertise in Docker and Kubernetes. * Solid understanding of CI/CD principles and tooling. * Familiarity with open-source data technologies (Spark, Kafka, PostgreSQL). * Knowledge of Infrastructure as Code (Terraform, Ansible). * Understanding of data architecture principles. * Experience with monitoring tools like Grafana and Prometheus. More ❯

QA Automation Engineer working on innovative projects at the forefront of digital transformation. The Digital Transformation Centre specialises in modernising legacy systems into cloud-native solutions using Java and open-source technologies. They embrace agile and DevOps principles to deliver high-quality applications and platforms. The tech stack includes Java, microservices, infrastructure-as-code, NoSQL databases, containerisation, JEE More ❯

Cloud Engineer Our client is seeking a Cloud Engineer with Enhanced Developed Vetting , and strong experience in automating software delivery pipelines within highly scalable, secure systems that leverage open-source technologies. They thrive on solving complex challenges through creative thinking and innovative use of the latest tools and technologies. The culture is inclusive, modern, and collaborative ideal for More ❯

functional setting-and is eager to deliver meaningful results in a short time frame. Main Duties and Responsibilities Spearhead and execute complex data science projects using a combination of open-source and cloud tools, driving innovation and delivering actionable insights. Develop and deploy advanced machine learning models using cloud-based platforms. Collaborate with product managers and designers to More ❯

effectively and communicate findings and recommendations clearly Proven experience of cloud technologies (AWS, MS Azure, GCP) Advantageous competencies (but not essential) Exposure to AI/ML Exposure to the open source stack Experience in price modelling techniques Experience in managing a small data team and mentoring Some exposure to behavioural data (eg Google or Adobe analytics) Benefits At More ❯

effectively and communicate findings and recommendations clearly Proven experience of cloud technologies (AWS, MS Azure, GCP) Advantageous competencies (but not essential) Exposure to AI/ML Exposure to the open source stack Experience in price modelling techniques Experience in managing a small data team and mentoring Some exposure to behavioural data (eg Google or Adobe analytics) Benefits At More ❯

and communicate findings and recommendations clearly. Proven experience of cloud technologies (AWS, MS Azure, GCP). Advantageous competencies (but not essential): Exposure to AI/ML. Exposure to the open source stack. Experience in price modelling techniques. Experience in managing a small data team and mentoring. Some exposure to behavioural data (eg Google or Adobe analytics). Benefits More ❯

embedded platform We're excited if you have Extensive experience with C or C++ and Embedded Linux or Native Application Development In depth understanding of Linux, tools, libraries, and open source development Experience developing UI applications using popular frameworks such as ReactJS Experience with Python, JavaScript, BrightScript, or similar languages Proven track record of designing and shipping high More ❯

ideas with clarity and inspire others to adopt higher standards. It's a Plus if You Have Experience building developer-facing APIs or SDKs. Experience contributing to or maintaining open-source projects. Familiarity with the localization domain and its unique technical challenges. Competitive salary and employee stock options plan. Fully remote and flexible working hours. Co-working budget More ❯

a fully remote environment Security-first software development mindset Comfort with AI technologies and automation Bonus Skills Experience with Cloud products, Kubernetes or other orchestration tools API management experience Open source contributions Experience with React performance tooling Knowledge of authentication/authorization flows (OAuth/OIDC) Here's why you should join us: Everyone has unlimited paid holiday. More ❯