remote, however you should be located between UTC-8 and UTC+3 to be considered for this position. Founded in 2015 with the mission to protect the open economy, OpenZeppelin is the world leader in securing blockchain applications and smart contracts. Our Open-Source Contract Libraries are a public good that have facilitated the transfer of over … to plan, code, audit, deploy, and operate projects more quickly and securely. Please note: Always refer to OpenZeppelin's official job page for the most accurate information about our open roles, as we have seen multiple third party job sites posting inaccurate information. The OpenSource Development Team The OpenSource Development team works on … opensource libraries and tools that are part of the OpenZeppelin product family. Our work on opensource is funded by leading L1s and L2s, including EVM and non-EVM platforms, leading protocols, and the Ethereum Foundation. This section of our development department is responsible for widely adopted products, including OpenZeppelin Contracts, Wizard, and Defender, as More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Metamindz UK
s your chance to take full ownership of frontend projects from design to delivery with minimal supervision! About Ballerine Ballerine is a high-growth, early-stage startup building an open-source platform for identity verification and risk management in the financial sector. It’s a fast-paced team preparing for Series A funding — and looking for a Senior … in React, TypeScript, modern frontend frameworks and architectures • Strong understanding of state management, performance optimization, and scalable component-driven design • Experience with testing frameworks (Jest, Cypress, Playwright) • Comfort with open-source principles and contributions • Clear, confident communication in English (minimum C1, no heavy accents) • Ability to onboard quickly and deliver at startup pace • Proactive, independent, and ownership-driven … Chance to join a core team pre-Series A, shaping the product and the company’s direction • Work on complex, high-scale challenges with cutting-edge tools (LLMs, AI, open-source) • A culture where your voice matters — small team, high impact, no bureaucracy • Opportunities for technical leadership and direct influence on strategy • Fully remote role Responsibilities • Architect, develop More ❯
d) Full Time London, Vereinigtes Königreich With Professional Experience 7/15/25 stackable - who are we? Stackable is an innovative technology company focused on delivering cutting-edge, opensource Big Data solutions for data lakehouses, data mesh, event processing and AI. We specialise in designing, deploying, and managing scalable data infrastructures that empower businesses to harness … mission at stackable: We are looking for a skilled Solutions Architect with a strong background in Big Data to join our team. The ideal candidate will have expertise in opensource Big Data technologies and Kubernetes and DevOps practices . This role will be instrumental in designing, implementing, and optimizing cloud-based and on-premise data solutions for … Working either remote or onsite with our customers from UK A technology-focused start-up culture Choice of development tools The chance to shape a sustainable and future-oriented opensource product Our engineering mindset: our aim is make bring architectures and software available in the most automated, maintainable and robust way possible! Diverse training opportunities and social More ❯
creativity, precision, and a shared obsession with what’s next. You’ll be part of a team shaping the future of Agentic AI - architecting and scaling a next-gen open-source framework that powers autonomous systems across industries. We're not just talking innovation - we're building it. Fast . Startup inside Kyndryl: Zero bureaucracy. You’ll work … equally — ideas over titles. What You’ll Do Serve as the bridge between deep technical work and business transformation, solving meaningful challenges through Agentic AI. Work on a modular, open-source Agentic AI framework - integrating GenAI and real-world tools. Develop, train, and deploy intelligent agents using tools like Python, Azure ML, focused on dynamic, self-improving systems. … e.g., microservice ecosystems, message brokers) Plus, You Bring Ability to operate independently and collaborate within a high-trust, low-hierarchy team Contributions to academic/technical communities and shaping open-source projects Bonus Points For Certifications in Azure, AWS, or Google ML platforms Demonstrated contributions to graph theory, DevOps, or distributed systems Previous projects involving digital transformation, AI More ❯
Bloomberg's software? Where do these components come from? How will we know if any are defective? How can we protect Bloomberg from malicious actors while still benefiting from opensource? These are the questions you'll help us answer! The Software Composition Analysis and Security (SCAnS) team in DevX plays a foundational role in securing Bloomberg's … software supply chain (SSC) by enabling engineers to use opensource and third party software safely, in an operationally resilient manner. Our products integrate with build and analysis systems to ensure software component metadata (as SBOMs) is available throughout the SSC to build a software inventory, affording license and vulnerability identification firm-wide. We control the ingress of … around Operational Resilience such as DORA, Software Supply Chain security is a hot topic in the industry and a very dynamic space to be involved in. Our team leverages open-source software (e.g. Syft), and also influences the wider industry on standards for SBOMs and SSC. We also have home-grown solutions for specific problems (e.g. the domain More ❯
RAG Systems ( Security Clearance Essential ) Clearance: Active SC Essential | Sector: Defence Role Overview Defence client requires an SC Cleared AI Engineer to build fully on-premises RAG systems using open-source technologies. You'll develop classified AI capabilities on air-gapped infrastructure with zero external dependencies. Key Responsibilities - Build end-to-end RAG pipelines on isolated defence networks … using open-source LLMs (Llama 3, Mistral, Qwen) - Deploy local vector stores (Chroma, FAISS, Milvus) with sensitive document ingestion pipelines - Host and optimise LLMs using vLLM/TGI on local GPU clusters without internet connectivity - Implement agent orchestration using LangChain/LangGraph in completely offline environments - Design secure document processing for classified materials with appropriate data sanitisation - Build … monitoring and evaluation systems that operate within air-gapped infrastructure Essential Requirements - Active SC Clearance (non-negotiable) - willingness to undergo DV if required - Demonstrable experience deploying open-source LLMs (Llama, Mistral, Falcon) on-premises - Expertise with local vector databases (Chroma, FAISS, Weaviate) in offline deployments - Strong vLLM/Text Generation Inference experience for high-throughput model serving - Proven More ❯
X Days a week, Plymouth Clearance: Active SC Essential | Sector: Defence Role Overview Defence client requires an SC Cleared AI Engineer to build fully on-premises RAG systems using open-source technologies. You'll develop classified AI capabilities on air-gapped infrastructure with zero external dependencies. Key Responsibilities - Build end-to-end RAG pipelines on isolated defence networks … using open-source LLMs (Llama 3, Mistral, Qwen) - Deploy local vector stores (Chroma, FAISS, Milvus) with sensitive document ingestion pipelines - Host and optimise LLMs using vLLM/TGI on local GPU clusters without internet connectivity - Implement agent orchestration using LangChain/LangGraph in completely offline environments - Design secure document processing for classified materials with appropriate data sanitisation - Build … monitoring and evaluation systems that operate within air-gapped infrastructure Essential Requirements - Active SC Clearance (non-negotiable) - willingness to undergo DV if required - Demonstrable experience deploying open-source LLMs (Llama, Mistral, Falcon) on-premises - Expertise with local vector databases (Chroma, FAISS, Weaviate) in offline deployments - Strong vLLM/Text Generation Inference experience for high-throughput model serving - Proven More ❯
s IT infrastructure, positioning us at the forefront of a rapidly evolving technology landscape. We're a team of experts experimenting, discovering new ways to harness the power of open-source solutions, and embracing enterprise agile methodology. We encourage professional development to ensure you bring innovative ideas to our products while satisfying your own intellectual curiosity. Our Global … and manage security testing tools and processes within the CI/CD pipeline, including static application security testing (SAST), dynamic application security testing (DAST), software composition analysis (SCA), and opensource security (OSS) Work together with the DevOps team to automate security controls and compliance checks within the development pipeline, ensuring adherence to industry best practices and regulatory More ❯
About the Core Technology Team The Core Technology Team comprises several teams building tools and infrastructure used across all of our research work. This includes projects like Inspect (our open-source evaluation framework), systems for running evaluations at scale, and hosting frontier open-weights models for evaluations or human studies. Working within the Core Technology Team, you … one of our "sandbox plugins" for Inspect, supporting advanced agentic evals with safe mechanisms to let models write and execute arbitrary code Implement support for a new class of open-weights model on our model hosting platform Support a research team with designing custom infrastructure for a new research project Collaborate with the open-source community on … AI architectures. In accordance with the Civil Service Commission rules, the following list contains all selection criteria for the interview process. Additional Information We are committed to fair and open competition and equality of opportunity. We recruit on merit and value diversity. Candidates with disabilities who meet the minimum criteria are encouraged to apply. For more information on diversity More ❯
build, and maintain scalable AI-powered developer tools and services Collaborate with product managers, UX designers, and other engineers to define technical solutions Integrate LLMs (like OpenAI, Claude, or open-source alternatives) into developer workflows Experience building Agentic AI solutions in production environments Experiment with prompt engineering, embeddings, vector search, and fine-tuning techniques Drive initiatives to improve … Haves: Hands-on experience with OpenAI, Hugging Face, LangChain, or similar frameworks Background in AWS AI ecosystem and tools like Bedrock Experience with GitHub Copilot or similar Contributions to open-source developer tools or AI projects At JET, this is on the menu Our teams forge connections internally and work with some of the best-known brands on More ❯
opportunity to create a more cohesive, integrated, and managed AI development life cycle to enable the building and maintenance of our AI systems. Our teams make extensive use of opensource technologies such as, Kubernetes, Kubeflow, KServe, Argo, Buildpacks, and other cloud-native MLOps technologies. From technical governance to upstream collaboration, we are committed to enhancing the impact … and sustainability of open source. Join the AI Group as a Senior ML Platform Engineer and you will have the opportunity to: Architect, build, and diagnose multi-tenant AI platform systems Work closely with AI application teams to design seamless workflows for continuous model training, inference, and monitoring Work with AI experts to understand workflows, pinpoint, and resolve inefficiencies … and to inform the next set of features for the platforms Collaborate with open-source communities and AI application teams to build a cohesive MLOps experience Design CI/CD automation frameworks that incorporate regulatory requirements Develop cloud-native deployment patterns for AI systems across environments Troubleshoot and debug user issues Provide operational and user-facing documentation We More ❯
opportunity to create a more cohesive, integrated, and managed AI development life cycle to enable the building and maintenance of our AI systems. Our teams make extensive use of opensource technologies such as, Kubernetes, Kubeflow, KServe, Argo, Buildpacks, and other cloud-native MLOps technologies. From technical governance to upstream collaboration, we are committed to enhancing the impact … and sustainability of open source. Join the AI Group as a Senior ML Platform Engineer and you will have the opportunity to: Architect, build, and diagnose multi-tenant AI platform systems Work closely with AI application teams to design seamless workflows for continuous model training, inference, and monitoring Work with AI experts to understand workflows, pinpoint, and resolve inefficiencies … and to inform the next set of features for the platforms Collaborate with open-source communities and AI application teams to build a cohesive MLOps experience Design CI/CD automation frameworks that incorporate regulatory requirements Develop cloud-native deployment patterns for AI systems across environments Troubleshoot and debug user issues Provide operational and user-facing documentation We More ❯
a regulated or data-rich industry (e.g., financial services, healthcare, or similar). Demonstrated track record of thought leadership in AI/ML, evidenced by patents, publications, or significant open-source contributions. Relevant industry certifications (AWS/Google/Azure/IBM ML Certifications) and deep understanding of technical courses (e.g., Andrew Ng's Coursera Courses, Andrei Karpathy … of real-world impact highly desirable. Expert-level proficiency in Python, and modern AI/ML frameworks, including PyTorch, TensorFlow, and specialised Generative AI libraries (LangChain, LangGraph or related open-source toolkits strongly preferred. Background in Traditional ML/AI is preferred. Deep understanding of LLMs, prompt engineering, RAG pipelines, vector databases, and generative architectures; related security practices More ❯
frameworks such as TIBER-EU, DORA or STAR. Strong coding skills primarilly in C/C++, Rust or Python. Deep familiarity with C2 frameworks, OPSEC and extending commercial/open-source frameworks. Proven tool development or open-source contributions. Extensive knowledge of MITRE ATT&CK and red-team related security frameworks. Qualifications Red Team specific certs More ❯
The platform supports features like real-time location mapping of officers and resources, AI-driven alerts, and live video streaming which empower officers with timely intelligence. The platform is open and supports interoperability with a wide range of third-party technologies, while community engagement tools facilitate collaboration with residents and businesses to share camera feeds and tips. By providing … Operational excellence process with improved metrics/dashboards for observability, respond to and debug livesite issues, and prevent the issues from reoccurring. Working with the latest cloud based and opensource technologies What You Bring Bachelor's Degree in Computer Science, Engineering, or related field 8+ years of professional software development experience Experience designing and delivering highly-available … Go, C#, or similar Experience working with SQL or NoSQL data stores, queue services, cache services, and/or gateway services. You follow the latest in software engineering and opensource technologies, and can intuit the fine line between promising new practice and overhyped fad You love delighting end users and hunger for novel challenges Benefits that Benefit More ❯
to maintain and improve the core C++ codec integration layers. Integrate compression solutions, like VC6 and Point Cloud Compression, into different video editing and creation applications. Engage with the open-source community to contribute changes upstream to video player OpenSource projects and assist in integrating LCEVC. Resolve defects within the codec integration layer and across More ❯
experience for both small projects and large monorepos. Stay abreast of industry trends and advancements in CI/CD technologies, bringing innovative ideas to the team. Engage with the open-source community, participate in discussions, and contribute to related projects, aligning with Vercel's commitment to giving back to the developer community. Write clean, efficient, tested, and well … If You: Are a React or Next.js expert. Have worked to develop a CI/CD platform for other developers to use. Have experience contributing to, or participating in opensource projects. Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network More ❯
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 economy, including "missing markets" problems. We aim to … 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 ❯
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 economy, including "missing markets" problems. We aim to … 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 ❯
do we do? The Public Sector Customer Engineering (PS CE) team helps customers solve their most interesting business challenges by rapidly developing innovative prototypes using world-class cloud and open-source technologies, and working to co-build with AWS customers and partners. We've helped customers by using image recognition to find missing persons, Artificial Intelligence to optimise … functionality you've written in demos and finally see the difference you've made when customers deploy solutions into their production environments. - Work with the latest AWS services and open-source technologies to build solutions. You'll always be encouraged to pick the right tools for the job. Here at AWS, we embrace our differences. We are committed … at least one modern language such as Java, C++, or C# including object-oriented design PREFERRED QUALIFICATIONS - Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations - Bachelor's degree in computer science or equivalent and/or relevant professional or military experience Amazon is an equal opportunities employer. More ❯
s IT infrastructure, positioning us at the forefront of a rapidly evolving technology landscape. We're a team of experts experimenting, discovering new ways to harness the power of opensource solutions, and embracing enterprise agile methodology. We encourage professional development to ensure you bring innovative ideas to our products while satisfying your own intellectual curiosity. What you … relationships with a highly technical client base, including operations, low-latency developers, and systematic trading experts. Automate processes to reduce manual work required by support teams using enterprise and open-source tools. Test and analyze vendor products for selective use in production systems. Serve as the escalation point for support teams on priority issues. Document and create Standard More ❯
the reliability and stability of the SDK. Collaborate with cross-functional teams, including product managers, designers, and infrastructure experts, to address challenges and deliver exceptional results. Engage with the open-source community, participate in discussions, and contribute to related projects, aligning with Vercel's commitment to giving back to the developer community. Actively gather feedback from developers and … use it to drive continuous improvement and innovation in the AI SDK. About You: You have at least 5+ years of relevant experience Experience contributing to or participating in opensource projects Excellent communication skills and the ability to work effectively in a collaborative team environment Competitive compensation package, including equity. Learn and Grow - we provide mentorship and More ❯
architectures. Be able to describe the structure and behaviour of the technology platform that underpins user applications and understand on-premise, Cloud hosting and end-user compute Knowledge of opensource, open standards and cloud technologies An understanding of architectural concepts, methodologies and approaches Knowledge and demonstrable experience of both traditional and agile delivery methods Effectively explain More ❯
hiring managers to deeply understand team needs, technical requirements, and ideal candidate profiles. Proactively identify and engage passive candidates through innovative sourcing methods-including GitHub, GoogleScholar, Stack Overflow, arXiv, open-source communities, tech events, and bespoke search strategies. Experiment with and implement new sourcing tools, outreach methods, and engagement tactics to increase pipeline quality and diversity. Act as … talent globally. A strategic mindset with a proactive approach to talent discovery-you don't wait for reqs to get started. Expertise in sourcing beyond LinkedIn (e.g. GitHub, Kaggle, open-source projects, technical blogs, conferences, custom Boolean strings). Strong communication and storytelling skills-you know how to craft compelling outreach messages that resonate with technical candidates. Ability … a great culture while still providing flexibility to work from home. We expect employees to be in the office at least three days per week. We have a radically open and accepting culture at Intercom. We avoid spending time on divisive subjects to foster a safe and cohesive work environment for everyone. As an organization, our policy is to More ❯
are not just developing software; we are redefining the internet's architecture to empower users and protect privacy. Our pioneering peer-to-peer (P2P) development platform, built on our open-source technology stack, Pear, eliminates the need for traditional server infrastructure. This revolutionary approach ensures that users maintain full control over their data, with unparalleled privacy and freedom … applications, from messaging and file sharing to complex collaborative environments, all while maintaining user sovereignty over personal data. Keet is built to demonstrate the flexibility and scalability of our open-source tech stack Pears. Join Our Mission: Software Engineer - Node (100% Remote) We are seeking a talented and motivated Node.js Software Engineer to join our dynamic team. In More ❯
