Average salary: £78,305 /yearly
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£55k - £60k per annum
...development processes. We will expect you to use bespoke and open-source software, primarily Linux-based, to add value to our in-house... ...coordinate with the Head of Technology and help lead and mentor our Developer and Graduate Developer in your immediate team. We will...SuggestedPermanentFull-timeImmediate startISR RECRUITMENT LIMITED
Redhill, Surrey5 days ago£55k per annum
...Senior Developer Permanent (must have or be able to obtain SC Clearance) Redhill, Surrey Up to £60,000 per year Plus an excellent... ...design/development processes. You will be using bespoke and open-source software, primarily Linux based to bring additional value to...SuggestedPermanentImmediate start- £65k - £85k per annumEstimated...Principal Engineer for a club of over 80 people (approx. 30-40 developers of all experience levels from Associate to Technical Lead), you... ...industry expert in a specialist field, or have contributed to open source projects or charitable technical projects (like TuringLabs etc....SuggestedFull-timeFlexible hours
- £77k - £103k per annumEstimated...single points of failure, using scalable architectural patterns. Develop secure code so that our customers and ourselves are protected... ...platform that use other languages as needed. We look to use Open source when it makes sense and build ourselves when it doesn't. We...SuggestedLong-term contractOn-site
£40k - £50k per annum
...Job description Frontend Developer - Belfast (Hybrid Working) About the Business A rapidly expanding technology firm focused on... ...Platform Advantageous Background Active GitHub portfolio or open-source contributions Experience producing technical content such as...SuggestedPermanentHybrid workingOn-siteRemote£70k per annum
...Tech: HTML5 CSS3 JavaScript Angular / React Challenge: Develop Greenfield systems and increase functionality for existing high transaction... ...be prototyping a new feature for the product, working on an open source project, data integration, or learning a new skill. •...SuggestedOn-site£150k - £200k per annum
...0 + bonus Quant Capital is urgently looking for a Crypto FPGA Developer to join our high profile clients Team Our client is a well known... ...The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is...SuggestedRemote£70k - £90k per annum
...versioning software such as GIT ~ Experience contributing to open-source projects, even if they are your own ~ Fluency in English ~... ...work well within a small team Bonuses Experience developing cross-platform apps for desktop, web, and mobile Experience...SuggestedPermanentRemote- £40k - £53k per annumEstimated...best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges,... ...practices to mitigate. Should have some experience in researching open- source technologies for use in building systems and participate in open...SuggestedFull-timePart-timeSecond jobHybrid working
- £47k - £62k per annumEstimated...the NHS. ABOUT THE ROLE We are looking for a Full Stack Developer to join our engineering team at our Canary Wharf headquarters.... ...define engineering processes and standards - Contributions to open-source projects LOGISTICS - Education: We value skills and...SuggestedFull-timeOn-siteImmediate start5 days/weekFlexible hours
- ...they're now looking for a rockstar, jack of all trades backend developer to help to build the next generation of the apps that enables the... ...An interest in financial markets and investment Passion for open-source technology and engaging with the wider technology community...Suggested
£40k - £45k per annum
...would prefer experience with Git or similar source control. We would prefer strong debugging... ...first or synchronised applications. We are open to both motivated graduates with solid C#/.NET foundations and experienced developers looking to broaden their skills....SuggestedFull-timeOn-siteRemote- £81k - £108k per annumEstimated...continuously evolving our recruitment processes to ensure fairness and are open to accommodating any needs you might have. AI Disclosure: We use AI tools (Google Gemini) to help our team source and review applications for roles with a high volume of applications. These...SuggestedFull-timeHybrid workingOn-siteRemoteFlexible hours
£91.76k - £110.11k per annum
...Grafana Labs, the company behind the open observability cloud, is founded on the principles of open source, open standards, open ecosystems, and open culture. Grafana... ...hands in a self-driven way Some experience with developing software that runs in the Cloud or some...SuggestedRemote jobFlexible hours- £77k - £102k per annumEstimated...found * As at 31 December 2025 The Role As a Quant Developer at Man Group you will be part of one of our flagship teams in Man... ...stack: numpy, scipy, pandas, scikit-learn to name a few of the open-source libraries we use extensively. We implement the systems that...SuggestedLong-term contractOn-siteFlexible hours
- ...Intelligence Platform Development: Enhance and develop our internal Django Python based threat... ...internal and external threat intelligence sources. Platform Optimisation: Continuously... ...automation frameworks, or contributing to open source security projects. Cloud & CI/CD...Shift work
- £34k - £43k per annumEstimated...measurable business value. As a Full Stack Developer within our Intelligent Automation team,... ...Covenant. Join us and you?ll be part of an open, friendly community of experts. We?ll train... ...experience with Python Experience of open source systems especially Kubernetes (K8s) & Helm...Full-timeHybrid working
- £25k - £34k per annumEstimated...and Digital Democracy. The Role: As a Full Stack GIS Developer at Informed Solutions, you’ll play a key role in shaping, building... ...also leverage Geographic Information Systems (GIS) and open-source geospatial tools, helping clients unlock the value of location...Full-timeHybrid workingOn-siteFlexible hours
- £53k - £70k per annumEstimated...the business of gaming. Experience in a startup or fast-paced environment. A track record of side projects, experiments, or open-source contributions. Interest in building things from 0 to 1—and being part of a long-term product vision. What We Offer The chance...Remote jobLong-term contractFull-timeLive-inFlexible hours
£80k per annum
...FastAPI / Flask) JavaScript, REST APIs & SQL Server AI & LLM applications RAG pipelines & agentic AI workflows Locally hosted open-source LLMs Microsoft Power Platform LangChain, LangGraph, Semantic Kernel & Copilot Studio exposure Why this role stands out:...Long-term contractPermanentHybrid workingOn-siteRemoteRobert Half
London3 days ago£25k - £30k per annum
...JavaScript, React, or similar would be desirable. Personal projects, open-source contributions, or a portfolio of work, however small, would be... ..., and server-side logic under the guidance of a senior developer. We will expect you to get hands-on across the full stack, including...PermanentFull-timeHybrid workingOutserve
Stafford, Staffordshire6 days ago£49.12k per annum
...We are seeking an experienced software developer with an interest in infrastructure engineering. Your role will revolve around designing... ...documentation and tooling. OpenSAFELY is a highly secure, modular, open-source data analysis platform created by the team at the Bennett...RemoteUniversity of Oxford
Oxford, Oxfordshire3 days ago£25k - £30k per annum
...Junior Full Stack Developer (Backend Focused) Location: Stafford / Hybrid Contract: Permanent, Full‑Time About Outserve... ...development (JavaScript, React, or similar) Personal projects, open-source contributions, or a portfolio of work, however small Awareness...PermanentFull-timeHybrid working£62k - £72k per annum
...the Mozilla Foundation and home to Thunderbird , our flagship open-source email and productivity platform empowering more than 20 million... ...Corporation. Everything we build at MZLA is open source, developed transparently and in collaboration with a global community of contributors...PermanentFull-timeRemote- £62k - £82k per annumEstimated...the centerpiece of our brand — the public source of truth about Intercom’s products and the... ...performant experiences across web and mobile. Develop backend logic and APIs , manage data... ...days per week. We have a radically open and accepting culture at Intercom. We avoid...Hybrid workingOn-siteWork from homeFlexible hoursWeekday work
£60k - £75k per annum
...Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also... ...tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including... ...have skills: AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti...Full-timeWork from homeFlexible hoursShift work- £59k - £79k per annumEstimated...in the most demanding environments. Job Title: C++ Developer Location: Gloucester (Onsite working) Who we are... ...development in C++ including use of modern standards, third-party/open source software (e.g. boost), writing for performance, and concurrency...Remote
- £37k - £49k per annumEstimated...components of the toolchain to meet the clients needs; extend the open source LLVM, Clang, binutils code bases to support the client's... ...platform specific tests, analyze and identify system level issues; develop new and maintain the existing target specific tests....Long-term contractFull-timeRelocation packageFlexible hours
- £60k - £80k per annumEstimated...different projects, providing a broad range of knowledge on which to develop their careers and progress in the direction they choose.... ...leading globally distributed engineering teams Contributions to open-source projects or technical communities Benefits What We Offer:...Flexible hours
- ...ownership throughout the process. What You’ll Do Design, develop, and maintain backend services in Python 3.11 using Django / DRF... ...systems such as RabbitMQ or Kafka Contributions to open-source projects or personal technical initiatives Prior experience...Long-term contractRemoteFlexible hours
