Average salary: £78,305 /yearly
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£45.32k - £67.98k per annum
...Open Banking Technology IT Software Engineer | S2 | Payments Technology | Milton Keynes | Internal Mobility Country: United Kingdom... ...driven transformation through the adoption of cloud-native and open-source technologies. ~ Collaborating with business stakeholders, UX...SuggestedPermanentFull-timePart-timeHybrid workingFree visaVisa sponsorshipOn-siteRelocationFlexible hoursShift work- Lead Developer with OpenText This position will contribute to the planning, development, and administration of an enterprise content management... ...background with experience in commodities markets. Skills · Open Text Content Hub for Publishers configuration and integrations...SuggestedRemote
- £52k - £67k per annumEstimated...music, image, and video across 70+ languages. ElevenAPI gives developers access to our leading AI audio foundational models. Everything... ...reporting and accounts.Evidence of product ownership: side projects, open source, or work in a product-facing context.Has taken projects from...SuggestedImmediate start
- £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
£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- £64k - £85k per annumEstimated...scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy,... ...lifecycle, tools, and code structure for an improved developer experience through technical leadership and architecture. Write...SuggestedOn-siteWork from homeFlexible hours
- ...oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using... ...with SOAP and REST web services , open API development, and SOA concepts, using Spring... ...(KanBan) Experience with different open source stacks including build & release processes...SuggestedFlexible hours
- £54k - £73k 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
$48k - $70k per annum
...Canonical is a leading provider of open-source software and operating systems to the global enterprise and technology markets. Our platform... ...profitable and growing. We are hiring a Web/UI Engineer to develop a data-rich and reliable user experience. These frontends are constructed...SuggestedFull-timeOn-siteRemoteWork from home£57k per annum
.... We are now looking for a Full Stack Developer to join our Publishing & Journalism engineering... ...you choose. Much of our code is openly available on GitHub, and some of our projects are widely used throughout the Open Source community. Many of our developers...SuggestedFull-timeApprenticeshipHybrid workingRemoteFlexible hours- £67k - £89k per annumEstimated...Collaborate with backend engineers and product managers to design, develop, and deliver new features while offering technical input on API... ...mechanisms, and proprietary state management built on top of open-source technologies. About the Team: - Mission: Deliver...SuggestedFull-timeHybrid working
- £44k - £58k per annumEstimated...senior engineers. Help build interactions across multiple data sources, services, and blockchain protocols. Learn to model real... ...demonstrate equivalent practical ability. Nice to Have Personal or open-source projects, or a GitHub profile we can look at. Exposure...SuggestedFull-timeInternshipHybrid workingRemoteFlexible hours
- £58k - £78k per annumEstimated...trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability...SuggestedFull-timeRemote
£91k - £114k per annum
...resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any... ...that leverage Cloud object storage. We invest heavily in developer productivity. You can use modern AI coding assistants as part...SuggestedFull-timeRemote- £59k - £77k per annumEstimated...About the Role We're seeking talented mid level backend developers to join our team. You'll play a pivotal role in individual contribution... ...you write a blog, help with friends' websites, contribute to open source projects etc.) You've worked with LLMs such as Claude, and...SuggestedFull-timeHybrid workingOn-siteRemoteWork from homeFlexible hours
£85k - £95k per annum
...market. Clarity and candour. We write things down, build in the open, and give direct feedback. Intensity, honestly. This is... ...rather than assume You've matched messy real-world data across sources that share no common identifier — company names, addresses, records...Full-time£128.77k - £178.54k per annum
...Software Engineer to join our growing Control Plane Team. You will work as part of the engineering team to: - Develop the Tailscale product, contributing to both open source client code and related backend services; - Take ownership of the entire product lifecycle, from writing...Full-timeRemoteFlexible hours- £52k - £67k per annumEstimated...About Sentient Sentient is advancing and empowering the development of open-source artificial general intelligence (AGI). We build research, products, and frameworks that help developers and researchers to push the boundaries of AI in the open. Our mission is to enable a...Full-timeWork from homeFlexible hours
£70k - £80k per annum
...maintain backend systems that power AI-driven product features. Develop scalable APIs and services used across mobile and desktop... ...beneficial: Python Node.js PyTorch OpenAI, Anthropic and open-source LLMs SQL & NoSQL databases Kubernetes Docker...Remote jobLong-term contractFull-timeHybrid working£91k - £114.7k per annum
...resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any... ...and impact: Take full ownership of the database solutions you develop, ensuring they are not only innovative but also scalable,...Long-term contractFull-timeRemote£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...Full-timeRemoteFlexible hours£55k - £70k per annum
...Fully Remote (UK based) We’re recruiting a Senior Backend Developer for a UK-based ecommerce specialist. You’ll own technical work... ...Strong PHP and MySQL skills, with experience across Magento Open Source and Adobe Commerce. Knowledge of Composer, Redis, caching, message...Remote jobPermanentImmediate startFlexible hours- £49k - £66k per annumEstimated...Dedicated funding for professional certifications, training, and conferences. Open Source First: We embrace open-source principles internally and actively encourage contributions to the wider developer community. About us Ebury delivers sophisticated, integrated...Long-term contractHybrid workingOn-siteRemote
- £62k - £81k per annumEstimated...pillar placement is not guaranteed and may vary from time to time based on business needs. We are advertising broadly for full-stack developers, but are actively seeking candidates with distinct front-end or back-end specialisms to fulfill three specific profiles: #...Long-term contractFull-timeRemote
- £37k - £49k per annumEstimated...successful. THE POSITION Our roster has an opening with your name on it We’re looking for... ...with industry tools, utilities, and open-source frameworks. Most importantly, you are... ..., and drive. A desire to learn and develop your skills through a growth mindset. Demonstrated...TemporaryFlexible hours
- £41k - £54k per annumEstimated..., music, image, and video across 70+ languages.ElevenAPI gives developers access to our leading AI audio foundational models.Everything we... ...’t needed.Evidence of product responsibility: side projects, open source, or product-facing work.Thrives in a fast-moving, startup-style...Immediate start
£80k - £95k per annum
...creates differentiated value for Perci and source the rest.Own the testing of your own work,... ...for someone else to provide it.You are open to experimentation, including working in ways... ...them.Strong testing ability and practice, developed through enough experience to be able to...Long-term contractPermanentRemoteShift work£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...Remote£62.89k - £77.88k per annum
...tech non-profit founded in 2021. TransitionZero builds software to reduce the time to build clean energy at scale. We pioneer open-access and open-source tools that make electricity system modelling more transparent, accessible, and actionable for governments, financiers and...Long-term contractFull-timeShift work- £46k - £60k per annumEstimated...reliability, performance, and user satisfaction. Design and develop responsive, high-performance user interfaces and application state... ...cross-platform applications. Preferred: contributions to open-source projects, particularly in peer-to-peer or decentralized technology...Full-timeRemote