backend java

Virtu is a leading financial firm that leverages cutting edge technology to deliver liquidity to the global markets and innovative, transparent trading solutions to our clients. As a market maker, Virtu provides deep liquidity that helps to create more efficient markets around the world. Our market structure expertise, broad diversification, and execution...

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar is on...

Senior Java Architect | Banking, Payments & AI EngineeringLocation: London (Hybrid)Role Type: Contract Rate: Up to £600 a day (Outside IR35)We're seeking an experienced Java Architect to play a key role in a major banking transformation programme, helping to deliver enterprise-scale banking and payments platforms with a focus on cross-border banking...

Lead Backend Software Engineers (Golang / Java) Hybrid Roles | Cloud Security | Northern Ireland We're proud to be working in partnership with a high-growth cloud security company that established its Northern Ireland engineering hub less than two years ago.The full job description covers all associated skills, previous experience, and any qualifications...

📍London or UK Remote | 💰 Engineer III Compensation: £85,000 - £110,000 + Incentive Awards tied to your performance + Benefits | Technology  About our Engineering Teams: We have around 650 engineers across Monzo who design and build our in-house banking platform. We have big ambitions for the future, and technology plays a big role in creating a...

Help build and operate reliable, scalable and secure digital services that support UK businesses and trade . Department for Business, Innovation, Science and Trade (BIST), in partnership with Inspire People, is seeking a Senior Backend Engineer. Whilst the team primarily develops in Python, we welcome applications from experienced backend developers with...

Job DescriptionBackend Software EngineerLocation: LondonDESCRIPTIONOur platform is the video platform built for live, social and mobile. The cloud-based platform removes the traditional complexities of professional video production and distribution.We work with the world’s largest broadcasters and rights holders including: Sky Sports, BT Sport, Eurosport,...

Waracle 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 clients to...

Job Description Role Overview This role focuses on building and enhancing electronic trading systems used in fast-paced capital markets environments. You’ll develop backend services that support high-volume trading, working closely with product and trading stakeholders. Key Responsibilities Develop backend services using Java Enhance performance,...

Introduction At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by...

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 Developer (Java/C++) - A1 SC Cleared | £53,000-78,000A leading engineering team is looking for a UKIC DV-cleared Software Developer to support the development of high-performance backend software solutions within secure government and defence environments.The role focuses on designing, developing and maintaining scalable systems using Java and C++...

Accepting applications until: 16 October 2026 Job Description Your Role: Senior Java Developer We’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...

Company DescriptionDepop is a peer-to-peer circular fashion marketplace where anyone can buy, sell and discover secondhand fashion. Our mission is simple: to make fashion circular by making secondhand as exciting and rewarding as buying new.Founded in 2011, Depop’s diverse community has helped move resale into the mainstream, where buying secondhand is no...

DescriptionLead Java Developer - 12 Month FTCWho We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our work should always leave a legacy for the client. We do this...

At Rockstar Games, we create world-class entertainment experiences.  Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry.  Rockstar...

DescriptionAt Mindera, we craft software with people we love. We’re looking for a Principal Java Engineer with strong Retail experience who can join our crew!Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week.What does the role involve? Lead technical deep dives and knowledge sharing...

Working at CreateFutureCreateFuture is an AI-native consulting partner where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference  while always putting people first. We’re a team of...

About The Role Cognizant is seeking a highly technical, hands-on Java Developer to join a dynamic engineering team focused on building and enhancing enterprise-scale applications. The team is responsible for developing innovative, high-performance technology solutions that support complex business processes and deliver exceptional user experiences. This...

**Hiring: Senior Java Backend Developer – Payments** We are looking for an experienced **Senior Java Backend Developer (Payments)** for a **contract** opportunity **(INSIDE IR35, Hybrid , Hampshire , Long-Term)** . You should have experience developing highly available, scalable backend services and APIs, preferably within the **Payments / Settlement...