fullstack engineer

Senior Frontend EngineerRemote (UK-based) | Full-TimeAbout UsReactive Markets is the 2026 OTC Trading Platform of the Year (Risk.net). Our network handles over $50 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 40+ of the world's leading liquidity providers.We build trading systems that operate at the edge of what's...

Senior Staff Software Engineer | London | Up to £150K | 5 Days Onsite We’re looking for an exceptional Senior Staff Software Engineer to join an early-stage, fast-growing startup and build the next generation of AI products. This is a hands-on engineering role for someone who has actually built and shipped agentic AI systems into production not simply...

A BIT ABOUT FLOCKAt Flock we do insurance very differently. We're nearing 1 billion connected, insured miles.Meaning our real-time, data-driven approach enables us to price connected vehicle insurance and assess risk better than ever before, giving fleet owners the insights they need to improve safety. We don’t just pay claims; we help our customers...

We’re Capital on Tap 👋💳 Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that. Today we're a financial platform - not just a credit card company. We offer a best-in-class business credit...

As a Senior Fullstack Software Engineer at CMT, you’ll design, build, and maintain scalable web applications that power our telematics platform. You’ll work across the tech stack—from intuitive user interfaces to robust backend systems—solving complex problems in collaboration with product, design, and data teams. This is a hands-on engineering role...

**We’re Capital on Tap 👋** 💳 Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that. Today we're a financial platform - not just a credit card company. We offer a best-in-class business...

About JustPark JustPark is the premier partner offering both B2B solutions for destinations and B2C services for drivers, giving us the best of both worlds. We simplify the entire parking experience. From venues and councils to private driveways, our platform makes it simple for drivers to find, book, and pay for parking—while empowering our operating...

**Senior Software Engineer (Typescript/AWS)** Belfast / Remote friendly £70K - £80K p/a + benefits **The Company** A growing startup with close to 30 staff continuing to scale their engineering function in Belfast. **The Role** You’ll be working in a team of 6 people and working closely with the CTO in shaping architecture and driving feature...

Job description🚀 Who are We?Grip is the AI-powered, end-to-end event platform built for engagement. The flexible system helps commercial event organisers like Ascential, Hyve, Emerald and Clarion Events boost revenue by establishing, maintaining and tracking relationships between participants over multiple events. Grip goes beyond networking — combining...

Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems across complex, end-to-end business processes. With built-in governance, auditability, and human oversight, Camunda gives enterprises the control they need to move AI from pilots to production — safely and at scale. Trusted by...

We're unlocking access to the NHS, because healthcare is not truly free until it's truly accessible 💙The world’s best healthcare, for free. It's not a new idea, it's called the NHS. But the largest healthcare provider is fundamentally broken. Patient satisfaction is at an all time low, and the biggest reason cited is lack of access. So we’re on a...

Our LINQ platform is the software that plans, schedules, and drives life-science labs. Our clients run labs for cancer diagnostics, drug discovery, cell manufacturing, synthetic biology and more.This role owns the interface to the lab — not just the UI, but every surface someone builds on or acts through: the app a scientist touches, the APIs and SDK an...

Awareness has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional telcos and installs intelligent protection on any smartphone. By combining network-level controls,device-integrated safeguarding...

We're unlocking access to the NHS, because healthcare is not truly free until it's truly accessible 💙The world’s best healthcare, for free. It's not a new idea, it's called the NHS. But the largest healthcare provider is fundamentally broken. Patient satisfaction is at an all time low, and the biggest reason cited is lack of access. So we’re on a...

We're unlocking access to the NHS, because healthcare is not truly free until it's truly accessibleThe world’s best healthcare, for free. It's not a new idea, it's called the NHS. But the largest healthcare provider is fundamentally broken. Patient satisfaction is at an all time low, and the biggest reason cited is lack of access. So we’re on a mission...

**About JustPark** JustPark is the premier partner offering both B2B solutions for destinations and B2C services for drivers, giving us the best of both worlds. We simplify the entire parking experience. From venues and councils to private driveways, our platform makes it simple for drivers to find, book, and pay for parking—while empowering our operating...

Company DescriptionIFS is a billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters–at the Moment of Service™. Our commitment to internal AI adoption has allowed us to stay at the...

OverviewFull Stack Software Engineer – Early-Stage HealthTech/FinTech - London. Permanent | Competitive Salary + Equity | Seed-Stage Startup | AI, FinTech, Healthcare.We are representing a well-funded, early-stage startup redefining financial visibility in the healthcare sector. Backed by reputable investors and founded by experienced operators, the...

Joining a new project  Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We...

Salary: £51,000 - 91,000 per yearRequirements:Strong commercial experience developing server-side applications with Kotlin or modern Java, ideally Java 17 or later.Good knowledge of the JVM ecosystem and common backend development practices.Experience designing, building and operating APIs.Understanding of service reliability, maintainability, performance...