Jobs for staff java backend developer at London

Accepting applications until: 16 October 2026Job DescriptionYour Role: Senior Java DeveloperWe’re looking for an experienced backend engineer with a passion for technical excellence and improving user experiences. You’ll join our DAX engineering team, working on our ad server platform and related products that power campaign delivery at scale. This role...

We are looking for an experienced Full-Stack Developer to design, develop, and maintain scalable web and mobile applications. The role involves building modern user interfaces using React or React Native, developing robust backend services using Java, and ensuring seamless integration between front-end and back-end systems. Key Responsibilities •  ...

P-1514 At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platform so our customers can use deep data insights to...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

**Role:** Backend Java Developer – Capital Markets (FX Systems) **Location:** London – Hybrid - 3 days client location / 2 days WFH **Start Date:** September / October **End Date:** 6 months **Rate Breakdown** **Daily Rate:** £400 per day (Inside IR35) **Daily ACR:** £308.33, plus daily holiday pay of £37.21 ...

Backend Software Engineer / Developer (Java Kafka) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in it for you:As a Software Engineer / Developer you will earn a highly competitive...

Software Developer (Java/C++)Up to £77,000 DOE | SC Clearance Required | GloucesterAbout the RoleWe're recruiting for a Software Developer to join a growing technology organisation delivering innovative software solutions within a secure and highly technical environment. Working as part of an experienced engineering team, you'll be involved in the...

Your newpany You will be joining a leading financial services organisation, working within a specialist risk technology team supporting a proprietary risk platform. The team is focused on delivering high-quality technology solutions across a regulated financial environment, with development centred around new business requirements and platform evolution.Your...

Backend Software Engineer Manchester - 2 days in the office 6 Months Contract + Extension £72.00 per hour A global e-commerce product organisation is urgently looking for experienced Backend Engineers to help lay the technical groundwork for scaling global partner connectivity across our travel and attractions ecosystem. In this role, you will be part of a...

DescriptionLMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions.Developers are encouraged to constantly develop and learn new skills. Pair programming...

Salary: up to £200k base + bonus Summary Tech-savvy algorithmic trading firm looking to hire a Java Developer to help develop and operate the off-exchange trading system and products. This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join one of the only Java teams you will find in HFT. A...

About the job LotusFlare is a provider of cloud-native SaaS products based in the heart of Silicon Valley. Founded by the team that helped Facebook reach over one billion users, LotusFlare was founded to make affordable mobile communications available to everyone on Earth.Today, LotusFlare focuses on designing, building, and continuously evolving a...

Software Engineer | Building Intelligent Systems That Make an Impact London, Manchester or Cheltenham 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector Tech: JAVA/C++/Python - or Devops/Data Background   An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful,...

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts, accounts for 16-17 year olds, a free...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure, and well-documented services that...

Role Summary :We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building end‑to‑end product experiences across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services...

Company DescriptionVertex Solutions is a specialist technical recruitment company which works with some of the Europe's brightest and most innovative technology companies within Research, Development and Science. Since 1997, we have helped to build talented teams of Engineers (Software, Hardware and IT/Network Support) and scientific staff from graduate...

Job descriptionWaracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.We work with ambitious clients to help them solve their biggest business and customer challenges. We help our...

**Key Skills:** - Strong hands-on experience in **Java and backend development** - Good experience with **Apache Kafka** and event-driven architecture - Strong understanding of **Spring Boot, REST APIs, and microservices** - Experience working on **end-to-end, real-world projects** - Good problem-solving and coding skills - Strong understanding of...

Project descriptionOur Client is a leading global financial markets infrastructure and data provider. Their purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.Team is seeking a highly technical, hands-on Java developer. Our group is focused on bringing a new level of efficiency, transparency and...