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£60k - £150k per annum
...Crypto Developer Small Trading Firm £60,000-150,000 total comp United Kingdom – remote (Must be legally able to work in the UK and... ...). This is an environment like Google in the 2000’s or a startup where tech is number 1. The firm is known globally for its attitudes...SuggestedRemote- £63k - £84k per annumEstimated...academic or industrial settings. You will play a central role in developing and implementing advanced mathematical models that power the... ...the best in the industry. ToffeeX has recently been named in the Startups.co.uk ( 100 Index 2025! If you think this role is for you,...SuggestedFull-timeVisa sponsorshipOn-siteWork from home
- £66k - £86k per annumEstimated...will pick the best candidates from Jacks network. The next step is to speak to Jack. Senior Developer Company Description: Early-stage IoT and energy startup Job Description: We are seeking a seasoned developer to join our young startup as a core...SuggestedFull-timeRemote
£80k - £100k per annum
...guiding principle in handling peak loads. If you're an enthusiastic Rust developer with an insatiable passion for innovation, and if you yearn for the extraordinary opportunities that lie within the startup realm, seize this chance. Embrace the potential for life-changing...SuggestedRemote jobPermanent- £54k - £71k per annumEstimated...large global enterprise, combined with the freedom and agility of a startup. This is a company with strong values, a clear mission and a... ...About the Role The successful candidate will design and develop embedded systems using C, C++, and VHDL, collaborating with...Suggested3 days/week
- £91k - £121k per annumEstimated...demand for scalable energy and compute in the U.S. We work at the intersection of finance and technology helping institutions startups and developers navigate a digitally native economy. Led by CEO and Founder Michael Novogratz our team blends deep crypto expertise with...SuggestedFull-timeHybrid working
- £88k - £116k per annumEstimated...Fuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy - fast. We're combining... ...more. We’re creating a fully integrated energy company: from developing solar, wind and hydrogen projects to real-time power trading and...SuggestedFull-timeOn-siteShift work
- £31k - £42k per annumEstimated...DH Home Networking & Websites is a new UK-based digital services startup building modern websites and systems for small businesses. Were looking for a motivated Web Developer to help us deliver real client projects while building your own portfolio experience and references...SuggestedRemoteFlexible hours
£35k - £45k per annum
...not hype. We're growing and looking to bring in two junior developers at the start of their careers. Who This Role Is For This... ...engineering decisions Real customers using what we build We're a startup, which means things evolve - but we're not chaotic. We plan...SuggestedFull-timeInternshipOn-siteLondon2 days ago- £54k - £70k per annumEstimated...next-generation fulfilment-as-a-service platform : Bezos.ai develops a cloud-based platform that empowers small and medium-sized online... ...platform. This is a high-impact position in a fast-moving startup with excellent career progression opportunities, where you will...SuggestedRemote jobFull-timeImmediate start
£85k per annum
...We are Harper, a fast-growing Series A startup at the intersection of eCommerce and Fintech. Our mission is to keep personal service... ...partners. You’ll work closely with our CTO and product team to develop new features, improve system performance, and solve complex...SuggestedHybrid working- £75k - £98k per annumEstimated...productivity. Contributing to our platform evolution and improving developer experience. Contributing to our engineering culture of... ...recently Lottie was the acclaimed winner of LinkedIn and Top Startup awards. As of today Lottie offers three core products and services...SuggestedFull-timeHybrid workingOn-site
- £68k - £91k per annumEstimated...this role and help you find others if you ask. Senior Software Engineer Company Description: Tunic Pay - VC-backed fintech startup fighting scams Job Description: Join Tunic Pay a seed-funded fintech startup in London as a Senior Software Engineer. Youll...SuggestedFull-time
- £70k - £91k per annumEstimated...Engineer Company Description: Well-funded AI collaboration startup Job Description: You will build end-to-end features for... ...founders from Oxford and MIT you will shape core architecture and develop agentic AI tools. This role offers a unique opportunity to join...SuggestedFull-time
- £57k - £74k per annumEstimated...Engineer Company Description: High-growth event technology startup building software to coordinate complex real-world operations... ...multiple stakeholders within a complex operational ecosystem. From developing intuitive creator tools and marketplace flows to architecting...SuggestedFull-timeRemote
- £55k - £72k per annumEstimated...Full Stack Engineer Company Description: Fast-growing AI startup Job Description: Join a high-performance engineering team... ...problems with modern technology What you will do: Design develop and deploy scalable backend services and intuitive frontend...Full-time
£50k - £80k per annum
...React, Typescript, Node. Fast-growing Climate Tech startup. Exciting projects, collaborative mission-driven team. We’re looking for a full-stack developer with React, Typescript skills to join one of the region’s most exciting Climate Tech companies. They’ve built...Remote jobPermanentOn-siteImmediate start- £57k - £77k per annumEstimated..., we’ve: Cultivated a community of more than 650,000 active developers and builders Earned 145k+ GitHub stars, making us one of the... ...Been ranked as one of Europe’s most promising privately held SaaS startups (4th in Sifted’s 2025 B2B SaaS Rising 100) Raised $240m to...Long-term contractPermanentFull-timeTemporaryHybrid workingVisa sponsorshipRemote
$10 per hour
&##128663; Why us? ~ Join a pre-IPO startup with capital, traction and runway ($240M funded | 60X revenue growth in 5 years | $2T+ market... ...Team at Propelix , where you'll be at the forefront of developing a platform that empowers businesses to create, deploy, and optimize...Remote jobFull-time$10 per hour
&##128663; Why us? Jerry is a fast-growing, pre-IPO startup on a mission to revolutionize the $2T car ownership industry in the U.S. With... ...and architecture to ensure robust and scalable solutions Develop and optimize stream processing applications using Kafka and Flink...Remote job- £61k - £84k per annumEstimated...nine-figure transaction volume. We’re a small, London-based startup experiencing exceptional growth. We’re looking for our next team... ...simulation engines, real-time pricing models, and execution logic. Develop and refine automated trading strategies to outperform...Full-timeOn-site
- ...artificial intelligence with powerful automation, we’re setting a new standard for how businesses recover payments . As a fast-growing startup that has already made an impact within less than a year in the market, we are building a talented team to scale our operations and...Long-term contractHybrid workingOn-siteRemoteFlexible hours
- £22k - £28k per annumEstimated...Unity Developer Intern Location: Edinburgh (In-Person, Minimum 3 Days/Week) Start Date: Flexible | Duration: 3–6 months Are... ...will work closely with our Fullstack and Design teams in a dynamic startup environment, with exposure to the full development lifecycle—...Full-timePart-timeRelief staffInternshipOn-siteFlexible hours3 days/week
$141.35k - $175.73k per annum
...Manager. As the Senior Software Engineer, you will be responsible for developing and executing on the long-term engineering strategy in... ...explore, experiment, and embrace technologies. We act sort of like a startup within the Wikimedia Foundation: we build quickly, deploy often,...Long-term contractFull-timeRemote- £51k - £68k per annumEstimated...proactive engineer eager to make a significant impact in a dynamic startup environment. Location: Remote (UK) Why this role is... ...robust secure and scalable back-end services using PHP/Laravel. Develop and maintain high-performance REST APIs to power our platform...Full-timeRemote
$140k - $200k per annum
...if you ask. Founding Frontend Engineer Salary: $140k$200k Equity Company Description: Fast-growing early-stage tech startup Job Description: Lead frontend development at an early-stage tech startup shaping the technical architecture and building user...Full-time- £74k - £102k per annumEstimated...Jacks network. The next step is to speak to Jack. Full-Stack Founding Engineer Company Description: Early-stage AI startup Job Description: As the first engineering hire you will lead the evolution of an AI-driven prototype into a production-ready...Full-timeOn-site
- £72k - £91k per annumEstimated...candidates from Jacks network. The next step is to speak to Jack. Backend Engineer Company Description: Well-funded fintech startup Job Description: As a Backend Engineer you will play a pivotal role in building and scaling the core infrastructure of our...Full-time
- £81k - £108k per annumEstimated...are considered for this role and help you find others if you ask. Software Engineer Company Description: Fast-growing AI startup Job Description: Join an early-stage AI startup building groundbreaking systems to redefine innovation discovery and protection...Full-timeImmediate start
- £68k - £89k per annumEstimated...owning accounts and sales campaigns in the assigned territory. Develop territory plans participate in sales calls lead technical deep... ...intersection of customer-facing roles and engineering in a dynamic startup on its journey to become an international leader in SaaS...Full-timeHybrid workingFlexible hours
