java jobs in London

Lead Software Engineer - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Information Job Identification 210587260 Job Category Software Engineering Business Unit Corporate Sector Posting Date 01/14/2025, 08:19 AM Locations 4 John Carpenter St, London, Greater London, EC4Y 0JP, GB Job Schedule Full time Job Description Out of the...

Fasanara Capital Ltd is seeking a Junior Java Software Developer to join Fasanara Digital and help build and maintain our multi-venue collateral management platform that supports 24/7 trading across traditional and digital assets.You will work within a small high-performing team, contributing to both new development and existing production systems, with...

Contract: 6-month rolling contractStart Date: ASAPOverviewWe are looking for three experienced Senior Java Developers to join a high-performing engineering team delivering large-scale, cloud-native applications. You'll be working on modern distributed systems, building highly scalable services using Java, Kafka, AWS and Kubernetes within an Agile...

Are you a passionate Java Developer looking to work on large-scale application transformation projects? Join us and play a key role in modernizing critical applications that support one of the UK's most important public sector organizations.About the RoleAs a Java Developer, you will contribute to the refactoring and modernization of key applications for the...

Work with cutting-edge tech, lead greenfield initiatives, zero bureaucracy, collaborative culture and stunning office space!Our rapidly scaling FinTech Client is seeking a highly skilled Kafka Engineer/Java Developer to become part of their elite engineering team.You'll join a group of exceptionally talented professionals with experience from top-tier...

A leading software development company in Greater London is seeking a Senior Java Developer to contribute to the development of Back Office and integration services. You'll work on greenfield projects, collaborate with cross-functional teams, and engage in aspects from architecture to deployment. The ideal candidate has over 5 years of Java experience, and...

We're hiring: AWS Technology Lead — Java ModernisationLondon (Holborn), hybrid · [Permanent / Contract] · 12–15+ yearsNCONS Talent Solutions is looking for a hands‑on AWS Technology Lead to take a monolithic Java application running on EC2 and rebuild it as an AWS‑native solution.This is a builder-leader role. You will design the target...

Contract: 6-month rolling contractStart Date: ASAPOverviewWe are looking for three experienced Senior Java Developers to join a high-performing engineering team delivering large-scale, cloud-native applications. You'll be working on modern distributed systems, building highly scalable services using Java, Kafka, AWS and Kubernetes within an Agile...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable...

Join to apply for the Junior Java Developer-Listed Derivatives role at eClerxJoin to apply for the Junior Java Developer-Listed Derivatives role at eClerxDirect message the job poster from eClerx______________________________________________________________________Location: LondonType: Full-time/HybridDepartment:...

Tech Lead - .NET - London - paying up to £110k The Company Our client places engineers directly inside client teams to deliver modernisation, cloud and product work. Their clients range from regulated financial services to high-growth consumer businesses. Because of new client demand, they're looking to add experienced Lead Engineers to the team. The...

Alexander Ash Consulting is seeking an experienced Java/Spring Boot Developer for a leading banking client. You will design, develop and maintain scalable Java applications and Spring Boot microservices within a fast‑paced financial services environment.You will collaborate with architects, product owners and other engineering teams to deliver secure,...

A prominent UK technology organization is looking for a Mid-Level Software Engineer to join their team in London. The role focuses on developing and maintaining Java-based microservices in an AWS environment, and involves hands-on coding, collaboration, and problem-solving. The ideal candidate will have strong cloud service experience and be proficient in...

Tech Lead - .NET - London - paying up to £110k The Company Our client places engineers directly inside client teams to deliver modernisation, cloud and product work. Their clients range from regulated financial services to high-growth consumer businesses. Because of new client demand, they're looking to add experienced Lead Engineers to the team. The...

Solirius Reply is seeking a Principal Engineer specializing in Java to lead technical teams and drive innovation. This role involves working across the full software lifecycle, engaging with clients, and shaping cutting-edge solutions.Ideal candidates should possess strong leadership skills and substantial experience in Java engineering, advocating for best...

Hastings Direct in the UK is seeking an IT Developer to join our CIO IT team. You will work on core systems for policy administration and claims handling, developing new features and implementing regulatory changes as needed.You will also help integrate new suppliers and systems to improve workflows and performance. You will receive training on Guidewire and...

Location: London, hybrid (typically 2 days a week in the office)Contract Duration: 6 monthsWe are hiring Java Developers for a leading global tech company's team in London. This is an opportunity to build and run customer-facing applications used by millions of people, owning services end to end from design through deployment and production support.What...

Senior Low Latency EngineerBuild the Technology Behind Modern Financial MarketsJoin a global financial markets technology organisation where engineering plays a central role in powering electronic trading, market connectivity and real-time decision making.This is an opportunity to work on mission-critical systems that support high-performance trading...

The RoleAs a Senior Java Low-Latency Developer, you will design, develop and deliver high-performance trading, exchange connectivity and Direct Market Access platforms. You will build resilient, scalable, and latency-sensitive solutions using modern Java technologies while supporting the evolution of next-generation market connectivity capabilities. Working...

CreateFuture, an AI-native consulting partner, is seeking a Senior Fullstack Engineer to shape technical direction, mentor teams and embed AI into delivery. You’ll design scalable backend in Java/Spring and frontend in React, building APIs and microservices that power business outcomes.You’ll collaborate with clients across industries, champion quality,...