Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Canonical
Join to apply for the Senior Jira Software Engineer role at Canonical Get AI-powered advice on this job and more exclusive features. Canonical is a leading provider of open-source software and operating systems for global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science … systems including popular SaaS solutions, such as Jira, Salesforce, NetSuite, Greenhouse, GSuite, and a few dozen others. To achieve this goal, we leverage Python and Go in combination with opensource tools, such as Airbyte and Temporal. Our work helps to make data-driven decisions, and increases the efficiency of business operations. Location: This role can be held … to meet colleagues Priority Pass, and travel upgrades for long haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT and the cloud, we are changing More ❯
Blockchain Core Developer - Golang, Ethereum London/Remote About Clearmatics Clearmatics is a blockchain protocol engineering company that builds decentralised financial market infrastructures that are more open, efficient, and resilient than those serving legacy market structures of today. We have a bold vision for this new market infrastructure - enabling market participants to solve currently unaddressed problems of the real … intermediaries. We are building this new infrastructure in collaboration with incredible trading and blockchain communities. Clearmatics was founded in 2015, and we have ever since been committed advocates of OpenSource development, and active participants in the blockchain and cryptography research communities. We've also been an active participant and supporter of decentralized infrastructure initiatives. We're looking … importance of careful design choices and can anticipate the impact of code changes on wider system behaviour. You can demonstrate a strong interest in blockchain and may even have opensource contributions that you can highlight. You express yourself clearly in writing and in discussions. RESPONSIBILITIES You will be involved at all stages of the development lifecycle for More ❯
that oversees the infrastructure used by the rest of the firm, your main focus will be designing, developing and continually improving these platforms, using a combination of commercial products, open-source software and custom code. Some examples of recent products: in-house job scheduling system; custom Kerberos infrastructure and related tools; standardised open-source and in More ❯
scalable, and high-availability system architectures on Linux-based platforms. Employ your expertise in automation and scripting (Bash, Python, etc.) to streamline deployment, monitoring, and maintenance tasks. Work on source control and configuration management tools (Git, Subversion, Puppet, Ansible, etc.) to build efficient CI/CD pipelines. Set up and manage network services (Apache, NGINX, BIND, HAProxy, sendmail/… critical environments. Provide prompt support and maintain security best practices for sensitive systems. What We’re Looking For Extensive Linux Knowledge : Strong experience with Bash scripting, output parsing, and open-source technologies. Automation & Scripting : Familiarity with Python or similar scripting languages and DevOps tools (Vagrant, Docker, Kubernetes). System Architecture Expertise : Background in creating repeatable, fault-tolerant architectures … an eye for performance tuning and metrics collection. Networking & Security Proficiency : Confidence in IPv4, routing, firewalls, and high-availability setups. Version Control Mastery : Skilled in Git and Subversion for source code and version control. Configuration Management : Experience with Puppet or Ansible for provisioning and infrastructure-as-code. Web & C/C++ Development Understanding : Able to support application build processes More ❯
London, England, United Kingdom Hybrid / WFH Options
Aiven
We’re a global team of over 400 people, working together to push the boundaries of open-source technology and multi-cloud solutions. Our vision is to become the trusted Data & AI Platform for everyone, leveraging the most popular open-source technologies like Apache Kafka, Aiven for PostgreSQL, Aiven for Clickhouse, and Aiven for OpenSearch. to … solving and results over following directions, so we make better decisions for our customers, our products and our employees. Who we are: So, how do we become the trusted open-source data platform for everyone? By listening closely to our customers and taking action to ensure they achieve their business goals. You see, the software we create is … win/loss interviews and continuous feedback loops, directly informing external messaging and proactively refining the product's value proposition. Continuous learning: Proactively stay abreast of the rapidly evolving open-source data landscape, including new features, versions, emerging trends, and the broader market dynamics relevant to the domain. Pre-launch: Lead the cross-functional orchestration of integrated messaging More ❯
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
East London, London, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Altrincham, Greater Manchester, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Bury, Greater Manchester, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Bolton, Greater Manchester, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Leigh, Greater Manchester, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
reliable, scalable cloud infrastructure and ensuring operational excellence. Senior Site Reliability Engineer position at Veeva Systems focusing on ensuring scalability and reliability of enterprise applications using Java and modern open-source technologies. Senior Site Reliability Engineer position at Veeva Systems, focusing on ensuring scalability and reliability of enterprise applications using Java and modern open-source technologies. More ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Turing
software development. This is a unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases locally to assess LLM performance … with Git, Docker, and basic software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation in LLM research or evaluation More ❯
Senior Python Software Engineer - Web3, DeFi London/Remote ABOUT CLEARMATICS Clearmatics is a blockchain protocol engineering company that builds decentralised financial market infrastructures that are more open, efficient, and resilient than those serving legacy market structures of today. We have a bold vision for this new market infrastructure - enabling market participants to solve currently unaddressed problems of the … intermediaries. We are building this new infrastructure in collaboration with incredible trading and blockchain communities. Clearmatics was founded in 2015, and we have ever since been committed advocates of OpenSource development, and active participants in the blockchain and cryptography research communities. We’ve also been an active participant and supporter of decentralized infrastructure initiatives. We’re growing … and command-line tools Familiarity with CEX/DEX trade lifecycle and common DeFi protocols Excellent attention to detail and appreciation for software correctness BONUS POINTS Contributed code to open-source projects in the Web3 space Experience developing DeFi trading tools or frameworks Proficiency with Python scientific computing stack (NumPy, Pandas, Jupyter) Smart contract programming experience in Solidity More ❯
Consult with clients and the account team to ensure the use of effective Internet-based technologies for enterprise business applications. Debug and problem-solve across a wide variety of open-source and mobile platforms. Qualifications Bachelor’s degree in computer science or related discipline preferred. Strong knowledge of database design and troubleshooting. Solid understanding of software development life … project-level experience with PHP/WordPress CMS utilizing Advanced Custom Fields (we do not work with page builders). Solid project-level experience with at least one other open-source CMS platform such as Magento, Shopify, Joomla, Drupal, etc. Experience with web-based programming languages. Experience with cloud platforms (e.g., Google Cloud, AWS, Microsoft Azure). Proficiency 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: What you'll do: Drive the architecture, development, and optimization of … 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: Mozilla VPN is seeking an experienced software engineer to join our … tools Excellent communication skills and experience mentoring engineers Bonus points: Experience developing cross platform applications with Qt Proficiency in any of the following: Rust, Go, Python, Javascript, TypeScript, Git Open-source contributions to networking or VPN-related projects Experience implementing or improving application observability What you'll get: Generous performance-based bonus plans to all regular employees - we More ❯
London, England, United Kingdom Hybrid / WFH Options
ProtonMail
Patterns, TDD, CI/CD Is eager to both learn and share their knowledge by engaging in respectful and constructive conversation Familiarity with modern PHP and the Symfony framework Opensource contributions Experience leading complex, highly scalable production systems Experience with data processing and storage (e.g., MySQL, MongoDB, Redis, Kafka, Elastic) High-level understanding of cryptography concepts such … Be part of a movement - Proton is not just a product or service but a community-driven movement united by a shared vision of online freedom. Our services are opensource, audited, and supported by community contributions. We give back to our community by maintaining core encryption libraries and by supporting other organizations furthering the same goals as … us.Proton is free, opensource, neutral, independent, and community first, while remaining financially sustainable. Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit with people coming from all walks of life, including many of the world’s top academic institutions and organizations, such as MIT, Harvard, Stanford, Caltech, Cambridge, and ETH. Join a More ❯
London, England, United Kingdom Hybrid / WFH Options
Proton
fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since … structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects here ! Purpose of the role We are looking for a talented data analyst to help us support data-driven decision-making across the company. You will … intelligence, product analytics, marketing KPIs, or web analytics at least 5 years of relevant working experience in the field Advanced knowledge of SQL Good knowledge of Python Git knowledge Open-minded, ready to test and implement new ideas What We Offer Office First: Collaboration is easier and more effective in person, which is why we have offices in Geneva More ❯
London, England, United Kingdom Hybrid / WFH Options
Canonical
Social network you want to login/join with: Canonical is a leading provider of opensource software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public … locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. This is an exciting opportunity for a software engineer passionate about opensource software, Linux, and Web Services at scale. Come build a rewarding, meaningful career working with the best and brightest people in technology at Canonical, a growing pre … that align with business objectives. You mentor junior engineers, foster technical excellence, and contribute to a culture of innovation, continuous improvement, and knowledge sharing. You embrace challenges with an open mind, continuously seeking opportunities to learn, improve, and innovate in a rapidly evolving IoT landscape. You are familiar with Ubuntu as a development and deployment platform. You hold a More ❯
London, England, United Kingdom Hybrid / WFH Options
Canonical
United Kingdom Job Category: Other - EU work permit required: Yes Job Reference: e853decfa455 Job Views: 8 Posted: 02.07.2025 Expiry Date: 16.08.2025 Job Description: Canonical is a leading provider of opensource software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data … locations around the world, to align on strategy and execution. The company is founder-led, profitable, and growing. This is an exciting opportunity for a software engineer passionate about opensource software, Linux, Python, and web services at scale. We are building the next generation management solution for Ubuntu in the enterprise - on premise and on the public More ❯