backend engineer

Backend Engineer - Java / Kotlin / Spring Boot London - Hybrid (1 day per week) Up to £100,000 + Share Options Unfortunately, sponsorship cannot be provided I'm working with a growing technology startup looking to hire a Backend Engineer to join its engineering team in London. They're looking for someone who is genuinely strong technically - not just...

VOY is a fast growing Healthtech scale-up, aiming to be the healthcare provider that millions of people trust as their partner to a long and healthy life. Our platform allows users to quickly and safely diagnose possible conditions, get treatment and support them afterwards to live a higher quality life. To do this we are building an all in one healthcare...

At Gradient Labs, we're building the AI customer operations platform for financial services.Founded in 2023, we now work with some of the biggest names in banking and fintech. Our platform runs specialist agents, purpose-built for financial services, to eliminate manual work across customer support and back-office operations. Together, they give product and...

DescriptionSeedLegals is the leading provider of automated legal solutions for startups, with offices in London, New York and Paris. Since launching in 2016, we’ve supported over 75,000 startups who have collectively raised more than £2bn on our platform.We’re a Series A company backed by Index Ventures, on a mission to make entrepreneurship more...

About 9fin9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion.Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform that centralises proprietary credit data, deep analysis,...

Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with...

We’re hiring a Senior Backend Engineer to help build a brand-new product that will transform how finance teams operate. This isn’t incremental feature work, you’ll be helping to remove deeply manual processes and replace them with intuitive, scalable solutions used by 7,000+ businesses worldwide. If you’re motivated by ownership, real customer...

Job description Backend Engineer (TypeScript, Node.js & AI) – Remote (UK or EU) We're hiring a Backend Engineer to join a growing FinTech business that is using technology to modernise and simplify complex financial processes for institutional and corporate clients. This is an opportunity to join a collaborative engineering team working on scalable,...

About The Company Inspire People is a leading organization dedicated to fostering innovation and excellence across various industries. With a commitment to delivering exceptional solutions and services, we pride ourselves on our dynamic work environment that encourages growth, collaboration, and continuous learning. Our company values integrity, creativity,...

## Backend EngineerApplyremote type: Hybridlocations: London, UKtime type: Full timeposted on: Posted Todaytime left to apply: End Date: July 11, 2026 (10 days left to apply)job requisition id: JR101613This role will focus on implementing APIs and backend systems for new features to the platform.**What this role will do:** • Build, enhance,...

Back End Software Engineer at Revolution Technology An award‑winning SaaS customer loyalty platform are currently seeking a Back End Software Engineer to join their growing team in London. The company has been recognised by the Financial Times as one of the fastest‑growing companies in the US. The platform enables companies to build, manage and publish...

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier. By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. Now, we’re scaling fast and building the next...

About 9fin9fin is the AI platform powering global debt markets — the world's largest asset class at over $145 trillion.Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows.Take the next step in your career now, scroll down to read the full role description and make your application.9fin replaces...

Backend EngineerHit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.- Java / Kotlin / Spring BootLondon- Hybrid (1 day per week)Up to 100,000 + Share OptionsUnfortunately, sponsorship cannot be providedI'm working with a growing technology startup looking to hire a Backend...

This role will focus on implementing APIs and backend systems for new features to the platform.What this role will do:• Build, enhance, and scale the core application using Django and Django REST Framework, while developing and maintaining microservices with FastAPI and Pydantic to support new features and APIs.• Create robust, high-performance APIs to...

Backend Engineer (on-site/London) - up to £260k A high-growth blockchain infrastructure company is building the next generation of ultra-fast trading and digital asset platforms, and were looking for an exceptional Backend Engineer to join the London team onsite. If you thrive in high-performance environments, love tackling complex engineering...

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier.  By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. Now, we’re scaling fast and building the next...

TL;DR: We're looking for exceptional builders who help us design and ship the foundational infrastructure that lets Conduct scale to the world's largest enterprises, while accelerating the product teams building on top of it.Why ConductThe world's largest companies are slowed down by the software they run on. We’re building the AI operating system that...

Backend Engineer (3+ Years Experience) — Job Description Role: Backend Engineer Experience: 3+ Years Location: [Your Location / Remote / Hybrid] Employment Type: Full-time About the Role We are looking for a skilled Backend Engineer with 3+ years of experience building scalable, reliable, and high-performance backend systems. You will work closely with...

Job DescriptionWe’re hiring a talented and experienced Backend Engineer to join an agile product development team working on modern web applications and scalable platforms. You’ll be responsible for building, maintaining, and optimising server-side logic and APIs, and contributing to full-stack solutions using JavaScript/TypeScript, Node.js, and...