senior java backend developer jobs in London

This is a Development role in the creation, maintenance and enhancement of services that support the Back Office at our Financial Services & Banking client in London. STRONG STAKEHOLDER ENGAGEMENT EXPERIENCE IS ESSENTIAL! DURATION : 12 MONTHS LOCATION : 3 DAYS PER WEEK ON SITE CITY OF LONDON The role is in the Back Office Java Services team which is...

Company DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 million users, Depop is on a mission to make fashion circular, redefining fashion consumption. Founded in 2011, the company is headquartered in London, with offices in New York and...

Role: Senior Backend Engineer (Product) Location: Hybrid - London Compensation: Up to £130,000 + equity We’re supporting a next-generation AI company developing a groundbreaking platform that automatically creates and scales immersive 3D environments. The team is bringing world-class technology from research to reality — turning complex creative...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

MOBILE DEVELOPER (FLUTTER, DART) Intro to Gophr On demand delivery has never been so in demand. E-commerce has seen 5 years worth of growth in the past 12 months, and online grocery has gone nuts, bananas and crackers. Then add into the mix ever tighter margins, and all-time-high customer expectations (thanks Prime) and you see why better, and faster and...

Senior Flutter Developer - Full Stack - London - Outside IR35 My client, a start up requires a Senior Flutter Developer with full stack experience for a permanent position. your CV must evidence recent experience with the following: Senior Flutter Development Firebase Services JAVA Spring Boot Framework API's Data Structures This position is based in...

**Job Title: Server-side Java Engineer** **Location: London (Hybrid – 3 days per week onsite)** **Duration: 12Months+** **Rate: 460GBP/Day Inside IR35 Max** **Description** We're looking for a Server-side Engineer – Mobile Application Backend to join our team. In this role, you’ll design and develop the Backend-for-Frontend (BFF) API layer that...

M-KOPA is hiring a permanent Senior Backend Engineer to join our Asset Sales group as we scale one of the most important parts of our FinTech platform. Build distributed, event-driven microservices and help shape what AI-native engineering looks like at M-KOPA.Your code will power systems that enable smartphones and e-motorbikes for Everyday Earners across...

Senior Backend Engineer (Node.js) Office: London About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build a strong...

Senior Full Stack Engineer / Developer (TypeScript React API Rust) London onsite to £120kOpportunity for a Senior / Founding Full Stack Developer to join a fast growing sports technology business as it establishes its new UK operation.The company sits at the intersection of sports, data, digital insights and betting, working across major US sports including...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

Backend Software Engineer - Product Eligibility Full-time Compensation: GBP 68,000 - GBP 87,500 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international...

Company DescriptionWhen you join Turnitin, you'll be welcomed into a company that is a recognized innovator in global education. For over 25 years, Turnitin has partnered with educators and institutions to develop learning integrity solutions that recognize the enduring value of critical thinking in a rapidly changing world. Over 16,000 academic...

DescriptionAbout Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery.We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining...

Joybuy in London is seeking a senior backend architect to lead technical decisions and shape the architecture of our international core systems. You will combine hands-on coding with strategic planning to ensure performance, security, and scalability.The role emphasizes Java and Spring Boot, collaboration across global teams, mentoring engineers, and...

First Orion is hiring an experienced Backend Engineer to own core microservices across our platform. You will work on call treatment orchestration, brand data, analytics, and billing within a hexagonal, event‑driven architecture.We seek 5+ years in backend or software engineering, strong Java 21 and Spring Boot experience, and proficiency with PostgreSQL,...

Senior Python Developer / Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands‑on role at an early stage AI start‑up within the beauty space? As a Senior Python Developer you'll focus on building backend services and FastAPIs using Python as well as integrating LLMs and payment systems into...

Role:- Senior Application Developer – .NET & Azure Integration Services Location: London, UK Job Summary We are looking for a highly experienced, hands-on Senior Application Developer – .NET & Azure Integration Services who can independently design, develop, test, troubleshoot, and deliver enterprise-grade integration solutions. The candidate will work...

Understanding Recruitment is partnering with an FX Market Disruptor FinTech that has been acquired by a leading capital markets group. They seek an experienced Java Developer for a hands-on Senior/Lead role in London, leading the next generation of Java developers.You will work on multithreading, low latency, FX/trading domains, and build microservices in...

About HIVED 📦At HIVED, we’re steamrolling forward as one of Europe’s fastest growing startups, and our momentum shows no signs of slowing.Based in London, we are a climate and logistics start-up building the first sustainable parcel delivery network at scale, powered by a 100% electric fleet. In an ever-growing industry where unreliable service has...