to £200k + Equity | London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier 1 banks. We're looking for a Senior Engineer specialising in Go to contribute to v1 … distributed, multi-region infra with five-nines reliability Contribute to backend, DevOps, and CI/CD decision-making Embed AI into engineering workflows & ops Self-motivated, problem-solving mindset; open to non-traditional backgrounds. You should have: Expert backend skill ideally in Golang, or Rust, Zig or C. Deep expereince building distributed systems from scratch. Experience in greenfield projects … Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. Apply within if your skillset matches! Please More ❯
to £200k + Equity | London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier 1 banks. We're looking for a Senior Engineer specialising in Go to contribute to v1 … distributed, multi-region infra with five-nines reliability Contribute to backend, DevOps, and CI/CD decision-making Embed AI into engineering workflows & ops Self-motivated, problem-solving mindset; open to non-traditional backgrounds. You should have: Expert backend skill ideally in Golang, or Rust, Zig or C. Deep expereince building distributed systems from scratch. Experience in greenfield projects … Work with a high-caliber team, fast-paced and product-minded founders who have worked in some of the most recognised tech businesses in the world. Help define an open-source platform from day one. Clear path to tech unicorn status with fruitful equity included. Recently raised 8 figures in funding. Apply within if your skillset matches! Please More ❯
Java to use the new solution where required. - Update and/or change authentication mechanisms (Keycloak) and remove the JBoss integration. - Update the logging functionality to remove JBoss. - Identify open-source libraries that are in use to determine if they are JBoss specific. Where required, change these to non-JBoss open-source libraries. - Replace the existing 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 ! Role overview As a fullstack cross-platform Senior Android Engineer, you'll play a pivotal role in developing Proton Pass using Jetpack Compose and Rust. … meetings Work that Matters: Proton is a community-first organisation, 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 ❯
/CD pipelines from the start. Designing and implementing test frameworks across UI and API. Carrying out both manual and automated testing, supported by exploratory testing where needed. Using open-source tools such as Selenium, Cypress, Playwright, Cucumber, Robot Framework and Rest Assured. Applying agile and DevOps practices including TDD, BDD and continuous testing. Supporting non-functional testing … wider testing community. Qualifications Main Skills Needed: Strong background in manual and automation testing across complex solutions. Proven experience building and maintaining automated test frameworks. Hands-on knowledge of open-source testing tools and frameworks. Comfortable working in agile delivery teams and contributing to best practice. Proactive, collaborative mindset with a passion for learning and innovation. Eligible for More ❯
/CD pipelines from the start. Designing and implementing test frameworks across UI and API. Carrying out both manual and automated testing, supported by exploratory testing where needed. Using open-source tools such as Selenium, Cypress, Playwright, Cucumber, Robot Framework and Rest Assured. Applying agile and DevOps practices including TDD, BDD and continuous testing. Supporting non-functional testing … wider testing community. Qualifications Main Skills Needed: Strong background in manual and automation testing across complex solutions. Proven experience building and maintaining automated test frameworks. Hands-on knowledge of open-source testing tools and frameworks. Comfortable working in agile delivery teams and contributing to best practice. Proactive, collaborative mindset with a passion for learning and innovation. Eligible for More ❯
/CD pipelines from the start. Designing and implementing test frameworks across UI and API. Carrying out both manual and automated testing, supported by exploratory testing where needed. Using open-source tools such as Selenium, Cypress, Playwright, Cucumber, Robot Framework and Rest Assured. Applying agile and DevOps practices including TDD, BDD and continuous testing. Supporting non-functional testing … wider testing community. Qualifications Main Skills Needed: Strong background in manual and automation testing across complex solutions. Proven experience building and maintaining automated test frameworks. Hands-on knowledge of open-source testing tools and frameworks. Comfortable working in agile delivery teams and contributing to best practice. Proactive, collaborative mindset with a passion for learning and innovation. Eligible for More ❯
Governance Oversee the company's overall legal risk management framework, identifying and mitigating risks associated with AI models, data usage, and freemium service models. Advise on intellectual property ownership, opensource licensing, and data usage rights for AI models, datasets, and user generated data in freemium environments. Develop scalable legal processes that enable product experimentation while maintaining compliance … protection standards. What You Will Need 8+ years PQE as a UK qualified lawyer (or equivalent common law jurisdiction). Advisory experience on AI model ownership, intellectual property, and opensource licensing. Substantial in house experience within an AI SaaS, or data analytics company, ideally supporting freemium or subscription based commercial models. Proven expertise in drafting and negotiating … subscription ecosystems. Pragmatic, adaptable, and solutions oriented. Comfortable working in a fast moving, scale up environment where product experimentation and market testing are part of the culture. Collaborative and open, thriving in cross functional work with AI, Product, Data Science, and Commercial teams. Passionate about AI technology, its transformative potential, and the ethical and legal frameworks that underpin responsible More ❯
Codethink is looking for Software Engineers to help us deliver advanced solutions for our world-class clients. At Codethink you can contribute proactively to client projects and opensource initiatives, working across the whole software delivery lifecycle; from requirements capture and estimation to system and software design, development, test, deployment and maintenance. Key responsibilities include: Participate in all … to do things, and to advance the state-of-the-art with us. Ideal candidates will have experience and interest in some of the following: Working with free and opensource software ( FOSS ) Linux, C, C++, Python, Rust, Java Device drivers, embedded systems Git branching strategies, safety and cybersecurity concepts and processes, systems architecture design, CICD processes, build More ❯
production environments. Proven hands-on experience with GCP (Google Cloud Platform) . Deep understanding of CI/CD pipelines - GitLab CI, Argo, or Flux. Experience with HashiCorp Vault and open-source tooling. Background in automation, observability, and platform reliability . Excellent problem-solving skills and a collaborative, pragmatic mindset. THE DETAILS Day rate: £550-£650/day (Outside … production environments. Proven hands-on experience with GCP (Google Cloud Platform). Deep understanding of CI/CD pipelines - GitLab CI, Argo, or Flux. Experience with HashiCorp Vault and open-source tooling. Background in automation, observability, and platform reliability. Excellent problem-solving skills and a collaborative, pragmatic mindset. THE DETAILS Day rate: £550-£650/day (Outside IR35 More ❯
to maximise efficiency Automate model experimentation, tuning and retraining in partnership with research teams Work with infrastructure specialists to optimise workflows and reduce compute costs Assess and integrate emerging open-source tools to enhance ML development and deployment Skills and Experience 5+ years’ experience in machine learning with a focus on training and inference systems Strong programming expertise … Hands-on experience with GPU acceleration and distributed training (Horovod, NCCL or similar) Background in real-time, low-latency ML pipelines Familiarity with cloud and orchestration technologies Contributions to open-source ML or distributed systems projects are advantageous Why This Firm? Direct impact: your work feeds into live trading strategies, not just experiments. Buy-side edge : fewer layers More ❯
to maximise efficiency Automate model experimentation, tuning and retraining in partnership with research teams Work with infrastructure specialists to optimise workflows and reduce compute costs Assess and integrate emerging open-source tools to enhance ML development and deployment Skills and Experience 5+ years’ experience in machine learning with a focus on training and inference systems Strong programming expertise … Hands-on experience with GPU acceleration and distributed training (Horovod, NCCL or similar) Background in real-time, low-latency ML pipelines Familiarity with cloud and orchestration technologies Contributions to open-source ML or distributed systems projects are advantageous Why This Firm? Direct impact: your work feeds into live trading strategies, not just experiments. Buy-side edge : fewer layers More ❯
teams Key Requirements Advanced C/C++ programming skills Passion for compiler development and low-level optimization Basic understanding of CPU architecture BSc/MSc in Computer Science preferred Open-source contributions and strong practical skills are a plus Keywords LLVM/C++/compiler optimization/xPU/CPU architecture/HPC/AI/open-source/R&D/CPU/High Performance Computing/Artificial Intelligence/Compiler/Compiler Engineer If you are interested in this Compiler Engineer position, please send a copy of your CV to ts@eu-recruit.com By applying to this role you understand that we may collect your personal data and store and process it on More ❯
teams Key Requirements Advanced C/C++ programming skills Passion for compiler development and low-level optimization Basic understanding of CPU architecture BSc/MSc in Computer Science preferred Open-source contributions and strong practical skills are a plus Keywords LLVM/C++/compiler optimization/xPU/CPU architecture/HPC/AI/open-source/R&D/CPU/High Performance Computing/Artificial Intelligence/Compiler/Compiler Engineer If you are interested in this Compiler Engineer position, please send a copy of your CV to ts@eu-recruit.com By applying to this role you understand that we may collect your personal data and store and process it on More ❯
Desborough, Northamptonshire, United Kingdom Hybrid/Remote Options
Impact Recruitment Services
and producing engaging visual content. Key Responsibilities Web Development & Shopify Maintain, optimise, and further develop existing Shopify stores. Build new websites and landing pages using Shopify and/or open-source frameworks. Custom-code Shopify themes, templates, and functionality as needed. Implement third-party integrations, apps, and payment gateways. Ensure site performance, security, and mobile optimisation. Troubleshoot technical … conversions, and online branding. Monitor website analytics, reporting on performance and identifying opportunities. Skills & Experience Strong experience with Shopify development including Liquid, theme customisation, and app integration. Proficiency in open-source coding (HTML, CSS, JavaScript, PHP, or similar). Ability to manage and update in-house websites and build new sites from scratch. Marketing or creative experience, particularly More ❯
Kettering, Northamptonshire, United Kingdom Hybrid/Remote Options
Impact Recruitment Services
and producing engaging visual content. Key Responsibilities Web Development & Shopify Maintain, optimise, and further develop existing Shopify stores. Build new websites and landing pages using Shopify and/or open-source frameworks. Custom-code Shopify themes, templates, and functionality as needed. Implement third-party integrations, apps, and payment gateways. Ensure site performance, security, and mobile optimisation. Troubleshoot technical … conversions, and online branding. Monitor website analytics, reporting on performance and identifying opportunities. Skills & Experience Strong experience with Shopify development including Liquid, theme customisation, and app integration. Proficiency in open-source coding (HTML, CSS, JavaScript, PHP, or similar). Ability to manage and update in-house websites and build new sites from scratch. Marketing or creative experience, particularly More ❯
work ensures our models are not only intelligent, but also safe, trustworthy, and impactful at scale. What You'll Do Fine-tune & adapt - Use LoRA/QLoRA to optimize open-source models (LLaMA, Mistral, Gemma) Engineer prompts & curates data - Craft prompts and datasets that reflect tone, brand voice, and safety. Evaluate models - Build metrics pipelines for perplexity, toxicity … in algorithms, data structures, and clean code practices. Nice to Have Prior work in text generation, moderation, or personalization. Experience with RLHF or reinforcement learning in LLMs. Contributions to open-source ML projects. What You'll Get Flat structure & real ownership Full involvement in direction and consensus decision making Flexibility in work arrangement High-impact role with visibility 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 ❯
new position where the successful candidate will be instrumental in scaling and leading a team as we grow the OSINT capability. A strong interest and experience in Cyber Security, Open-Source and/or the Dark Web is necessary for this role. Serve as the main point of contact for current clients. Interaction with the US team, Dark … organised crime - cyber attacks; ransomware; drug trafficking. Communicate regularly with clients and formally track adoption trends, sentiment, and opportunities for deeper engagement. Present OSINT capabilities at events. Familiarity with open-source intelligence/research (OSINT) Acting as a point of triage and giving warm leads back to clients to help source. Create vignettes for use case development and More ❯
their systems after. Responsibilities as an Embedded Linux Engineer : Porting the OS, integrating with ODM software Fixing build issues when moving to new platforms and applying patches to debug open-source software Researching technical growth Requirements: Highly experienced with embedded build systems, preferably buildroot, OpenWRT, or other WRT-Variants Experienced with CLANG and very confident working with patches … on opensource software Strong understanding of network protocols Desirable skills for an Embedded Linux Engineer: Experience developing Linux kernel modules and using the kernel build system Knowledge of the Wireless and Linux network stack Experience managing the process from a reference board to production Apply now to join an R&D team shaping the future of networking More ❯
Dec 2026, with potential to extend What the hiring manager says "As the AI Research Lead, you will be at the forefront of developing and maintaining the GSMA's Open Telco AI benchmarks and working with members on evaluating low-resource language models. This role is critical to ensuring our evaluation pipelines are robust and transparent, directly impacting the … and technical excellence. We value curiosity, initiative, and a drive to set new benchmarks for the industry. About the role You will own and maintain the evaluation pipeline for open telco benchmarks, designing and implementing new benchmarks in collaboration with telecom operator members and AI partners. You'll lead the integration and benchmarking of new models, including member-submitted … means delivering robust, transparent benchmarking processes and supporting the community in adopting best practices. About You You are passionate about machine learning model evaluation and have demonstrable experience with open-source evaluation frameworks (such as HELM or lm-eval-harness). You thrive in collaborative environments, working with technical partners and cross-functional stakeholders. Your experience developing or More ❯
AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments. Our offerings include … mindset and willingness to "roll up your sleeves" to get things done. Commitment to responsible AI, including fairness, transparency, and accountability in content usages. Knowledge of US copyright law, open-source licensing, or AI/ML technologies is a strong plus. Benefits Competitive cash salary and equity Food : Daily lunch vouchers Sport : Monthly contribution to a Gympass subscription More ❯
AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments. Our offerings include … mindset and willingness to "roll up your sleeves" to get things done. Commitment to responsible AI, including fairness, transparency, and accountability in content usages. Knowledge of US copyright law, open-source licensing, or AI/ML technologies is a strong plus. Benefits Competitive cash salary and equity Food : Daily lunch vouchers Sport : Monthly contribution to a Gympass subscription More ❯
ahead of advancements in Solana, DeFi infrastructure, and performance engineering. Lead RâD on liquidity models, execution architecture, and risk systems that push the limits of decentralized trading. Engage with opensource contributors, auditors, and the broader Solana community to strengthen the protocol and brand. Qualifications Proven experience as CTO, Technical Co Founder, or Lead Engineer in DeFi, trading … of decentralized finance. Bonus Points Prior experience launching or contributing to a DEX, perpetual protocol, or trading platform. Familiarity with MEV, orderbook based architectures, or risk engines. Contributions to opensource projects or public technical work in the Solana ecosystem. Benefits Competitive equity and token package. Opportunity to shape a flagship Solana native DEX from inception. Deep backing More ❯
Bitcoin, and Zcash and has pioneered a completely new, next-generation blockchain protocol with Polkadot and the framework it's built with, Substrate. Parity is passionate about building the open-source technologies needed to power an unstoppable, decentralised web -known as Web3- and helps developers and organisations implement and build upon the Web3 tech stack. People in our … in a relatively new industry and an uncertain regulatory environment Prior knowledge of blockchain would be an advantage, however an interest in and a desire to learn about blockchain, opensource and decentralised systems will be the key to success in this role About working for us: Competitive remuneration packages based on iterative market research, including tokens (where … everyone in our collective feeling included and welcome. View our Applicant Notice to see how we use your data. Is this position not quite your match? Browse our other open roles. More ❯
