Southampton, England, United Kingdom Hybrid / WFH Options
Endeavour Recruitment Solutions
systems with Kamailio, Asterisk & FS Scale cloud communications systems & infrastructure Management of bare metal servers, VPS's and containers Network management of core data centre infrastructure Advanced knowledge of opensource telecommunications software such as Kamailio, Asterisk & FS Strong knowledge of SIP, SDP, RTP & SRTP Deep knowledge of Linux systems, networking and tools Experience with containerisation (Docker & Kubernetes More ❯
Southampton, Hampshire, United Kingdom Hybrid / WFH Options
Mansell Recruitment Group
including unit and integration tests Implement and troubleshoot hardware interfaces and data protocols (e.g., CAN, UART, TCP/IP) Build and maintain user-facing applications using both commercial and open-source toolkits Work closely with hardware and firmware engineers to align system-level behaviour Assist in scoping projects, breaking down requirements, and mentoring junior engineers The Candidate Strong More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Bjss
approach. Operating from 26 locations across the world, we bring together teams of creative experts with diverse backgrounds and experiences, who enjoy working and learning in our collaborative and open culture and are committed to world-class delivery. We want to continue to grow our team with people just like you! About the Role We love to experiment with … development in a production context (Kotlin) Understanding how to deal with different screen sizes Familiarity with RESTful APIs Experience with offline storage, threading and performance tuning Knowledge of the open-source Android ecosystem and the libraries available for common tasks Confident working with version control systems (Git) Strong appreciation of OO Design Patterns, Unit Testing and TDD practices More ❯
London, England, United Kingdom Hybrid / WFH Options
Mansell Recruitment Group
including unit and integration tests Implement and troubleshoot hardware interfaces and data protocols (e.g., CAN, UART, TCP/IP) Build and maintain user-facing applications using both commercial and open-source toolkits Work closely with hardware and firmware engineers to align system-level behaviour Assist in scoping projects, breaking down requirements, and mentoring junior engineers The Candidate Strong More ❯
London, England, United Kingdom Hybrid / WFH Options
Trilitech
focus on cultural projects, decentralised finance, and gaming. We're dedicated to redefining possibilities and setting new standards within the rapidly evolving blockchain space. Our Technology Tezos is an open-source blockchain known for its flexibility, security, and unique self-evolving capabilities. With innovations like Etherlink—an EVM-compatible Layer 2—Tezos is scaling rapidly and attracting a … to both devs and product stakeholders. Passionate and opinionated about Web3 and the decentralized finance movement. Nice to have Experience in DevRel/DevOps/Front-end roles. Previous open-source contributions. Familiarity with multi-chain deployments (Polygon, Arbitrum, Optimism, etc.). Knowledge of off-chain scripting (bots, keepers, data pipelines) What you can expect from us Competitive More ❯
London, England, United Kingdom Hybrid / WFH Options
Cera Care Ltd
ll do You’ll work with software engineers and system owners to understand and document where and how data is created, influencing upstream to ensure quality and integrity at source where possible. You’ll engineer pipelines to collect and protect data from multiple sources (e.g. Relational and non-relational data stores, APIs, Google Drive, event delivery pipelines), into a … and overall robustness of our data management capabilities. Who you are You’re committed to making data easy to use by people across our business, ensuring it’s a source of value for the people in care operations and for the people in our care. You’re a creator who applies your skills as a data professional and drive … SQL with experience developing data pipelines in a cloud based database environment (e.g. BigQuery). 3+ years experience delivering data products in a modern BI technology (ideally Looker) or opensource data frameworks (e.g. streamlit). Experience using programming languages (e.g. Python, Scala) to build effective data architecture, streamline data processing, and improve data efficiency via automation. Experience More ❯
London, England, United Kingdom Hybrid / WFH Options
The Dot Collective
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Canonical
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 cloud and silicon providers, and industry leaders in many … working in a remote first organization Able to leverage data to make informed decisions Fluent in business English (written and spoken) Self motivated, organized, accurate, confident, authentic, results-orientated, open-minded and enthusiastic Willingness to travel up to 4 times a year for internal events Nice to have skills Experience with immigration policies and mobility processes Payroll and/ More ❯
London, England, United Kingdom Hybrid / WFH Options
Starling Bank
make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will find support in your team and from across the business, we are in this together! The way to thrive and shine within Starling is to be … mitigating hallucinations and coherence of generated content. Desirables: Experience fine-tuning large language models is a bonus. Prior experience utilising LLMs on mobile applications is a bonus. Experience with open-source large language models (e.g Llama). Interview process Interviewing is a two way process and we want you to have the time and opportunity to get to … may be put off applying for a role because you don't tick every box. Forget that! While we can’t accommodate every flexible working request, we're always open to discussion. So, if you're excited about working with us, but aren’t sure if you're 100% there yet, get in touch anyway. We’re on a More ❯
Birmingham, England, United Kingdom Hybrid / WFH Options
BJSS
your broad technical knowledge, full lifecycle project experience, and excellent communication skills to bridge clients and internal teams, including enterprise architects, operations, UX, and developers. You’ll evaluate new OpenSource tech, present to CIOs, and troubleshoot critical issues. As a technical leader, you mentor teams, inspire innovation, and balance pragmatism with technical excellence. You love technology, are More ❯
Grantham, England, United Kingdom Hybrid / WFH Options
Axelera AI
engineering excellence. Exceptional communication skills with the ability to influence executives, engineers, and external stakeholders. A robust and continuous (incl. last 2 years) history of contributions to academic research, open-source projects, or industry consortiums is highly desirable. Location We offer a flexible working arrangement, with options to: Work from one of our Axelera AI offices (Leuven in … part of a dynamic, fast-growing, international organization. We offer an attractive compensation package, including a pension plan, extensive employee insurances and the option to get company shares. An open culture that supports creativity and continual innovation is awaiting you. Collaborative ownership and freedom with responsibility is characteristic for the way we act and work as a team. At More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Cavendish Professionals
it, and can scale it pragmatically Strong systems design, architecture, and a clear, pragmatic communication style Experience leading complex technical projects or products, either in a company, startup, or open-source community Bonus points if you’ve worked on privacy tech, GraphQL, OAuth, embedded systems, or large-scale data pipelines. 🌍 Why You Might Love It: ✅ A bold mission More ❯
it, and can scale it pragmatically Strong systems design, architecture, and a clear, pragmatic communication style Experience leading complex technical projects or products, either in a company, startup, or open-source community Bonus points if you’ve worked on privacy tech, GraphQL, OAuth, embedded systems, or large-scale data pipelines. 🌍 Why You Might Love It: ✅ A bold mission More ❯
Fareham, England, United Kingdom Hybrid / WFH Options
UK Ministry of Defence
the maritime domain. Knowledge and experience of the MOD and Defence environment. Experience in programming in any widely-used programming language. The ORA team’s policy is aimed towards open-source languages). Further Note Whilst Operational analysis (OA)/Operational Research (OR), is an applied subject area that draws on scientific and advanced analytical methods to solve … system, where a role has been deemed to be business critical. This role does not meet that category and we will not sponsor a visa. It is therefore NOT open to applications from those who will require sponsorship under the points based system. Should you apply for this role and be found to require sponsorship, your application will be … window).See our vetting charter (opens in a new window). People working with government assets must complete baseline personnel security standard (opens in new window) checks. Nationality requirements Open to UK nationals only. Working for the Civil Service The Civil Service Code (opens in a new window) sets out the standards of behaviour expected of civil servants. We More ❯
London, England, United Kingdom Hybrid / WFH Options
Viator
can collectively revolutionise travel and together find the good out there. We are looking for a junior/intermediate level Salesforce Engineer to join the team. This role is open to candidates based in Oxford or London. We embrace flexibility in where and how work gets done and also value meaningful in-person moments to connect and collaborate. You … England, United Kingdom 2 weeks ago Freelance Software Developer (Java) - AI Trainer London, England, United Kingdom 1 week ago London, England, United Kingdom 4 months ago Frontend Engineer - Java & OpenSource (Private & FS) London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 day ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom More ❯
Looking For 3+ years of experience in full-stack engineering Proficiency with TypeScript, React, Next.js, and Python Experience (or strong interest) in LLMs, AI agents, or NLP Side projects, open-source contributions, or personal AI experiments are a big plus Startup experience or comfort in fast-paced environments A passion for building whether it’s features, tools, or More ❯
London, England, United Kingdom Hybrid / WFH Options
FBSPL
Vice President, Mid Market Sales London, England, United Kingdom 2 weeks ago Bracknell, England, United Kingdom 6 days ago London, England, United Kingdom 6 days ago Manager of Enterprise OpenSource Sales Team London, England, United Kingdom 5 days ago London, England, United Kingdom 3 days ago Manager Software Engineering Java Derivatives London, England, United Kingdom 2 weeks More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
experience in applied research, especially in voice conversion, speech synthesis, or NLP. PhD specialization in voice or speech-related ML fields. A track record of thought leadership through publications, open-source contributions, or patents. #J-18808-Ljbffr More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
experience in applied research, especially in voice conversion, speech synthesis, or NLP. PhD specialization in voice or speech-related ML fields. A track record of thought leadership through publications, open-source contributions, or patents. #J-18808-Ljbffr More ❯
London, England, United Kingdom Hybrid / WFH Options
TriliTech
and Gaming. We’re committed to pushing the boundaries of what’s possible and continue to set new standards in this ever-evolving space. Our Technology Tezos is an open-source platform known for its flexibility, security, and self-amendment capabilities. It’s built to empower developers to create smart contracts and decentralised applications with ease. Today, the … projects offer you a chance to lead the way in shaping the future. We are dedicated to keeping your enthusiasm alive by fostering a fulfilling work environment that encourages open conversations and creativity. Collaboration and mutual support is key! Our commitment to work-life balance ensures you have the time and energy to excel in your role while still More ❯
London, England, United Kingdom Hybrid / WFH Options
ToffeeX
in multi-physics simulations, optimization, and workflow integration. Experience developing technical resources and presenting at industry conferences or workshops. Experience with CFD analyses for internal flow problems (proficiency in open-source tools is a plus). Ability to analyze, post-process, and debug CFD simulations independently and collaboratively. Solid understanding of heat transfer principles; experience with thermal design More ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
or CoPilot is a plus A degree-level qualification is preferred but not essential. This is not an entry-level position; candidates should have either commercial experience or demonstrable open-source contributions. Benefits include: Life insurance Income protection Cash Plan 5% matched pension 25 days annual leave Bike to work scheme Electric car scheme Additional holiday for long More ❯
Southampton, England, United Kingdom Hybrid / WFH Options
ITDev
complex embedded problems across diverse industries. We offer a personal development plan, mentorship, paid IET membership fees, and support for continued learning—whether pursuing Chartered Engineer status, contributing to open-source projects, or exploring advanced kernel development techniques. We're seeking an experienced embedded Linux engineer with strong kernel development skills. You should be comfortable working across the More ❯
Chelmsford, Essex, South East, United Kingdom Hybrid / WFH Options
Anson Mccade
using libraries and toolkits. Familiarity with at least one major ML framework such as TensorFlow or PyTorch. Desirable Technical Expertise: Candidates should demonstrate expertise (through publications, industrial applications, or open-source contributions) in one or more of the following areas: Graph-based machine learning, including predictive, causal or neuro-symbolic models. NLP techniques, including information extraction, text mining More ❯
chelmsford, east anglia, United Kingdom Hybrid / WFH Options
Anson Mccade
using libraries and toolkits. Familiarity with at least one major ML framework such as TensorFlow or PyTorch. Desirable Technical Expertise: Candidates should demonstrate expertise (through publications, industrial applications, or open-source contributions) in one or more of the following areas: Graph-based machine learning, including predictive, causal or neuro-symbolic models. NLP techniques, including information extraction, text mining More ❯