1 to 25 of 230 Open Source Jobs in the South East

Soda - creators of the Soda Core - are looking for a Senior Software Engineer (Data and Backend) to help improve our Open Source and Cloud products. We're moving in an exciting new direction, and we need your help. If you're a software engineer who thrives on tackling large-scale challenges and wants to build the future of … multiple OSS projects generating hundreds of millions in value). Together, they built a tool that ensures data quality across Data Engineering, Data Governance, and business use cases. Our open-source project, Soda Core, is already used by companies like Tesla, Slack, Adyen, Walmart, and JPMC. Soda commercializes its software through the Soda Cloud product. We're well … improving how we validate, benchmark, and scale our systems Work with product and engineering teams to design new Data Observability and Data Quality features Contribute to Soda Core, our open-source data testing and observability library Participate in technical discussions, code reviews, and mentorship within the team Requirements Strong proficiency in Python and comfort working with one or More ❯

We're looking for open-source contributors and experienced engineers who understand how to review, maintain, and troubleshoot live repositories. Who You Are An open-source developer or maintainer who has contributed to or reviewed code in live repositories Comfortable reasoning about Git at a deep level Adept at debugging repository states and fixing broken histories … without data loss Preferred Qualifications 3+ years of software engineering experience in open-source, backend, or DevOps roles Demonstrated history of contributions on GitHub, GitLab, or other OSS platforms (Bonus) Experience in code review or AI/LLM model evaluation Why Join Turn your open-source experience into valuable, high-impact data Fully remote, flexible work More ❯

intersection of design and technology, with hands-on experience in image generation models, strong technical skills, and a sharp visual/design eye. Key Responsibilities Model evaluation & benchmarkingTest new open-source and proprietary models against Gendo's features, assessing aesthetic quality, fidelity, and usability from an architectural design perspective. Custom pipeline prototypingCreate and adapt ComfyUI custom nodes and … teams to hand off validated pipelines and guide feature development. Stay current with emerging technology Track, evaluate, and report on new model releases, training methods, and tools in the open-source ecosystem. Share insights with the team on opportunities and risks, and propose experiments to test new approaches. Requirements Hands-on generative AI experience: Direct work with image … generation models (Stable Diffusion, SDXL, ControlNet, VAE, embeddings). Practical experience training LoRAs, fine-tuned checkpoints, or other open-source models. Strong understanding of dataset management, labeling data, and training workflows. Technical skills: Python + PyTorch for model manipulation and training. ComfyUI & Other Open Source Projects: comfortable building and extending workflows with custom nodes. Ability to More ❯

creative with digital technology, with a specific focus on broadening the diversity of students passionate about computing. This is a broad role in a small organisation, working predominantly on open source projects, in collaboration with other organisations like Lancaster University, Arm and Microsoft. Current projects include: The micro:bit CODAL - the abstractions on which the primary, web-based … the job and adapt to evolving challenges is more valuable than anything listed here. Experience working on firmware that runs at scale on consumer or industrial devices Experience managing open source projects & documentation Experience managing continuous integration pipelines for embedded systems with or without hardware-in-the-loop Experience with wired (USB, I2C, SPI, UART) and/or … DAL) and micro:bit V2 (CODAL), and to ensure continued improvement in the educational experience for users of both micro:bit devices To lead the process of maintaining these open source projects, including managing their GitHub repositories, continuous integration pipelines, release management, triaging and prioritising bug reports and pull requests, and identifying when to raise prioritisation with senior More ❯

love to hear from you. The Centre for Information Resilience (CIR) is an independent organisation dedicated to exposing human rights violations and threats to democracy. We achieve this through open source research, digital investigations, capacity-building with local partners, and collaboration with media to amplify our impact. CIR was born out of a determination to expose those spreading … and influence operations. We work closely with multilateral and national justice accountability bodies. We're always looking to connect with experienced investigators who specialise in collecting, analysing, and interpreting open-source data to generate actionable intelligence. Whether you're currently working in the private sector, law enforcement, journalism, or national security, we want to hear from you. Role … our talent community is the first place we look when hiring. The role The OSINT Investigator will work in a team dedicated to investigating information operations. They will use open-source tools, techniques and methodologies to monitor, collate, verify and analyse information shared across social media platforms and other media outlets, generating internal and external insight products and More ❯

Technical Architect - Data Products & Open Data 12-Month Contract Inside IR35 2 days a week on site in London Role Overview We are seeking an experienced Technical Architect to provide technical leadership for data products and open data services. This role requires a strong background in data product design, solution architecture, and open data platforms, with the … ability to lead multi-disciplinary teams and drive technical strategy across a large programme. Key Responsibilities Lead technical architecture and solution design for data products and open data services Provide design leadership across a multi-disciplinary team Apply expertise in data cataloguing, metadata management, and open/licensed data portals Leverage understanding of AI developments to shape and … enhance data services Work with open source tools and cloud infrastructure (AWS, Terraform) Guide technical direction and ensure consistent implementation across the programme Collaborate with a core team of 7-8 and a wider programme of 50 Essential Skills & Experience Proven experience with data products and open/licensed data portals Knowledge of data cataloguing systems and More ❯

empower developers to rapidly build and test their cloud applications, allowing for a more enjoyable dev experience, and saving valuable time and resources. LocalStack has a large and active open-source community (57k+ stars on GitHub) with over 100k active users worldwide and 290M+ downloads to date. Our customer base ranges from SMBs to Global Fortune 500 companies. … local cloud service emulators while maintaining a strong focus on reliability and developer experience. Contribute to the evolution of LocalStack's overall architecture and frameworks, and contribute to the Open Source ecosystem. Help make LocalStack's AWS emulator more robust by contributing to AWS sample applications and parity tests. Spearhead the development of scalable support processes as the … and the ability to tackle complex technical challenges in a fast-paced environment. Excellent communication and collaboration skills, with the ability to effectively interact with team members. Has an open, honest, and compassionate personality, shows empathy, and demonstrates a proactive approach to tasks and challenges. Preferred Qualifications Experience working with other cloud platforms such as Azure, Google Cloud Platform More ❯

Together, let's redefine what's 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 of AI transformation were building … deployments will help clients move 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 systems that combine reasoning, planning … you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused someone who prioritizes customer success in their work. And finally, youre open and borderless naturally inclusive in how you work with others. Required Skills and Experience Degree or equivalent practical experience in computer science, data engineering, AI or a related technical More ❯

systems using Imandra. Working directly with customers to prototype and develop new product features. Contributing to novel advanced proof automation techniques, formal verification, and code synthesis algorithms. Contributing to open source projects, both upstreaming new features and fixes and publishing new open source libraries. You'll be working with a globally distributed team in different time … Experience building projects with OCaml, ReasonML, Haskell, or other functional programming languages. Working with cloud infrastructure, specifically GCP. An interest in theorem proving and formal verification. Experience contributing to open-source projects. Benefits Private Healthcare and Dental Plan Pension Plan Stock Option Plan More ❯

to support a leading AI lab in advancing research and infrastructure for next-generation machine learning systems. This engagement focuses on diagnosing and solving real issues derived from major open-source repositories through hands-on coding, debugging, and validation. It's an opportunity to contribute your technical expertise to cutting-edge AI research while working independently and remotely … on your own schedule. Key Responsibilities Analyze and resolve software issues drawn from large open-source codebases Write, test, and validate code solutions that address specific bugs or system inefficiencies Implement and refine APIs, database structures, and backend components supporting AI workflows Configure local development environments to replicate and investigate complex issues Ideal Qualifications 1+ years of professional … software engineering experience in a fast-paced or technically demanding environment Proven contribution history to one or more of the following open-source repositories is a must: astropy/astropy django/django matplotlib/matplotlib pytest-dev/pytest scikit-learn/scikit-learn sphinx-doc/sphinx sympy/sympy Advanced proficiency in Python, API development More ❯

The Infrastructure Engineer is responsible for supporting and maintaining Responsiv Assist and Responsiv Cloud services, including s upport for IBM middleware, databases, and open-source software across Linux and Windows systems. In practice, this involves resolving support tickets, performing software installations and upgrades, proactive monitoring and management of cloud and customer platforms, and delivering infrastructure improvement projects. You … platforms. Perform software installations, upgrades, and patching for cloud and customer systems. Monitor cloud and on-premises platforms, identifying issues proactively and mitigating risks. Support IBM Middleware, databases, and open-source software across Linux and Windows systems. Contribute to technical planning, runbooks, and documentation to ensure consistent processes. Work with developers to support software development pipelines where necessary. … systems, networking, LVM, backups, clustering, upgrades, installation, and scripting Windows Server administration and Microsoft enterprise software. Database management: DB2, PostgreSQL IBM Middleware: WebSphere Application Server, MQ (Nice to Have) Open-source software configuration: Apache and similar packages Cloud platforms: Azure, AWS, GCP ? About Us ? Responsiv build distinctive business solutions that are simple and effective. Our expertise spans cloud More ❯

scaling and optimising storage systems 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, and user support. Your Background: 5+ years' development experience with a degree in Computer Science … complex backend systems at scale. Experience with Elasticsearch, Prometheus, Grafana and/or Datadog. Exposure either AWS or GCP plus IaC, (Terraform or similar) would be beneficial. Knowledge with open-source storage tools (Ceph, Minio, JuiceFS or Fuse) and familiarity with high-performance data transport protocols (RDMA, GPUDirect, DPDK) would be well received. This is a chance to More ❯

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 The Team As a Front-end Engineer at Standard Notes, you will play a crucial role in evolving our platform into the leading secure note … all built with React and TypeScript and secured with end-to-end encryption. Tech Stack and Tools: • JavaScript, TypeScript, React, ES6, Playwright, Jest, Grafana • All Standard Notes codebases are open source: Encryption presents unique challenges to front-end development. Features like search and syncing are designed to function entirely within a secure and encrypted environment, pushing the boundaries More ❯

practices, performs triaging of security issues, and implements fixes to deliver secure applications. Familiar with common software vulnerabilities and leading practices to mitigate. Should have some experience in researching open- source technologies for use in building systems and participate in open source communities as needed. Works on projects of moderate scope and complexity. Pro-actively identifies More ❯

dedicated to exceeding customer expectations through innovative and sustainable solutions. As an Application Support Engineer at Sensus , you will play a key role in supporting and maintaining bespoke and open-source applications that enable our smart metering and utility technology solutions. Working within a dedicated team of engineers and support team, you will investigate, troubleshoot, and resolve software … platforms. Sensus provides the opportunity to contribute to a market-leading organisation at the forefront of smart utility innovation. Key Responsibilities Provide 2nd/3rd line support for both open-source and bespoke software stacks across Linux, Windows and Android. Investigate, troubleshoot, and resolve software issues, coordinating with development teams as needed. Support software upgrades, including patch testing More ❯

Zaizi is looking for a Solution Architect to lead the design and delivery of cutting-edge digital services for the UK Public sector using the latest open source technologies and working under an Agile and DevOps framework. Role Objectives: These are the expected objectives for this role. We are happy to discuss this further during the interview process … Collaborate with other teams within Zaizi, share knowledge and drive continuous improvement Requirements Technical: You will have extensive commercial experience in the many of the following: • Technical & Solution Design • Open Source software • Cloud computing (ideally AWS) • Security best practices • IAM, OAuth, Cognito, OIDC - all advantageous • Containers and Orchestration (Docker, Kubernetes) • DevOps/DevSecOps and related tools • Knowledge of More ❯

high-performing teams. PhD or equivalent advanced degree in Data Science, Statistics, Computer Science, or related quantitative discipline. Recognized as a technical thought leader through publications, external talks, or open-source contributions. Preferred Experience: Experience using Palantir platforms (Foundry, AIP, Ontology) to develop and operationalize insights. Familiarity with LLM application frameworks, vector databases, and knowledge graphs. Publications in … top-tier AI/ML or data science conferences/journals (e.g., NeurIPS, ICML, KDD, AAAI, ACL, JASA). Contributions to the open-source data science/ML ecosystem (libraries, frameworks, widely adopted tools). Track record of thought leadership (invited talks, keynotes, conference leadership roles). Experience establishing standards for reproducibility, experimentation, and responsible AI. Cloud or More ❯

role grows, this may extend to leading these teams, owning solutions end-to-end and advising clients in this space. The typical applications we build use existing closed or open-source foundational models, potentially with some fine tuning. We generally do not need to train our own foundational models from scratch. Requirements Responsibilities The examples describe the types … hands-on experience of developing production-grade solutions involving: • Building Microservices (including scalable data pipelines using frameworks like Spark) • Data technologies (Python, SQL) • Large language models, fine tuning (closed & open source, OpenAI API) • Solution design (mainly data applications using Python, SQL and other allied tech stack) • Analytical problem solving We are not restricted to the technologies we use More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation theyre building meaningful missions. More ❯

use cases Prototype multi-agent systems, reasoning engines, and knowledge-graph integrations Implement and fine-tune models for language understanding, decision automation, and data insight generation Evaluate and integrate open-source and commercial AI frameworks into orchestration workflows Ensure AI solutions are explainable, auditable, and compliant with public- sector governance standards Advise on AI strategy, ethical use, and … Understanding of ethical AI, governance frameworks, and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful More ❯

PyTorch custom ops or backends. Working knowledge of performance profiling tools and GPU/CPU interplay. Strong written communication and ability to deliver well-documented, self-contained modules. Prior open-source contributions to PyTorch, TorchInductor, Triton, or related projects are a plus. 4) More About the Opportunity Ideal for contractors who enjoy building clean, high-performance abstractions in … invoice cadence. Confidentiality and IP assignment agreements may apply. 6) Application Process Share a concise summary of your experience with PyTorch internals and systems-level programming. Include links to open-source work, GitHub PRs, or sample operator implementations. Provide hourly rate, availability, and relevant technical background. Selected experts may complete a short, paid pilot module to demonstrate fit. More ❯

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 As we are rapidly growing, we are now in search of a sharp and mission-driven Senior Product Designer (UX/… programs. Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton's only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do. Read more about our More ❯

improving the debugging experience. This involves work LLVM, the Clang and Swift compiler frontends, the LLDB debugger, and related tools. You will closely collaborate with the Swift and LLVM open source projects. Description Our team works at the intersection of compiler and debugger technology: we are responsible for the debugging experience — from generating debug information in our compilers … Experience with serialization formats such as Clang and Swift modules Experience with LLVM, Clang, and LLDB development Experience working with debug info formats like DWARF Experience with contributing to Open Source projects More ❯