976 to 1,000 of 2,295 Java Jobs in London

Java Developer | Investment Banking | Hybrid, London

Location
City Of London, England, United Kingdom
Java Developer (London, Hybrid) Location: London UK Working Mode: 3 days on site in City of London IR35 Categorisation: Inside Rate: £600 per day We're looking for a Java Developer to join our client (Investment Banking) in a hybrid working model (London, 3 days per week). You will … office processing Provide technical expertise and recommendations for enhancements of existing applications and evaluation of new initiatives Develop clean, secure, and efficient code in Java and Python and work with scripting tools such as PowerShell or Bash Conduct code reviews, unit testing, and participate in application architecture discussions Ensure compliance ...

Java Web Engineer

Location
Greater London, England, United Kingdom
Summary Mid/Senior Java Web Engineer A leading global financial markets infrastructure client is looking to hire a talented Java Engiener on a long term contract in London (City - 3 days onsite pw) The role Join a collaborative engineering team building and enhancing a modular, end-to-end trade … management platform — hands-on across backend services and web UI, working closely with architects and frontend developers. What you'll need Strong Java (21 preferred), Spring Boot 3.x, and REST APIs. Working knowledge of React (v17). SQL/PostgreSQL, Git, and Maven or Gradle. 4–8+ years' software engineering ...

Java / Hybris Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Java/Hybris Developer(up to 50K)Quant Capital is urgently looking for a Java/Hybris Developer to join our high profile client. My client is a well-established online luxury business with headquarters based in London. They are very customer focused and their ethos is that customers … join the process of building one of the most cutting edge data-driven platforms. The current project is to build and evolve the new Java, open source and cloud-based eCommerce technology platform. The team is small at present and training is top of the list if you have ...

Senior Software Engineer, Food Platform & Data Pipelines

Location
Greater London, England, United Kingdom
their data platform and empower fast, reliable data delivery across supplier systems and pricing data. You'll design and ship scalable data services in Java/Micronaut, work with Kafka, and collaborate with Product Managers and colleagues to drive value with clean architecture, security and observability. Hybrid London role. #J ...

Azure Cloud Architect: Migration & Modernization Leader

Location
City Of London, England, United Kingdom
Atyeti in London is seeking a Senior Azure Cloud Architect to lead migration and modernization of enterprise Java applications from on-prem to Microsoft Azure. You will define landing zones, governance, and design secure, scalable Azure architectures, while modernizing applications from monoliths to microservices where applicable. This role requires strong ...

Engineering Manager - Lead Scalable Betting Platform

Location
Greater London, England, United Kingdom
sports betting and data platforms. You will set priorities, translate strategy into actionable plans, and drive delivery with accountability. The role requires hands-on Java Spring and Kafka expertise, cloud-native development (AWS), and strong focus on reliability, observability, and AI-enabled tooling. #J-18808-Ljbffr ...

Quantitative Developer (C++/Python) for Pricing & Risk

Location
Greater London, England, United Kingdom
teams, while upholding governance, risk controls, and ethical standards across the firm. Applicants should combine strong programming skills in C++, C#, SQL, Python and Java with a solid foundation in financial mathematics and statistics. #J-18808-Ljbffr ...

Backend Engineer, Crypto Trading (Hybrid - London)

Location
City Of London, England, United Kingdom
technology company in London is seeking a Software Engineer to design and maintain backend services for crypto trading. This role requires expertise in Go, Java, C++, C#, or Python, and offers a hybrid work environment. Ideal candidates will have problem-solving skills and a proactive mindset, along with a degree ...

Senior Data Scientist — ML in Production (Waterloo)

Location
Greater London, England, United Kingdom
across key sectors for an Enterprise AI client. The candidate should have a mix of data science and software engineering skills, including Python, JavaScript, Java, and experience deploying to cloud platforms. #J-18808-Ljbffr ...

Senior Real-Time Payments Platform Architect

Location
Wimbledon, England, United Kingdom
engineering for the Icon Payments Framework (IPF) engagements from pre-sales through go-live. You will combine a strong back-end development background (Java) with modern architectural patterns, agile delivery, and cloud/Microservices expertise to deliver scalable, real-time payment solutions for major banks and financial institutions. #J ...

Senior Snowflake Data Engineer — Hybrid London Analytics

Location
Greater London, England, United Kingdom
join their team in London. The role requires a minimum of 8 years of IT experience, with a strong focus on Snowflake, Python or Java, and a solid understanding of AWS services. This permanent, full-time position offers a hybrid working model, balancing in-office and remote work, and requires ...

Senior Backend Engineer, Commerce Platform (Remote)

Location
Greater London, England, United Kingdom
engineer to design and scale systems powering its subscription and payments infrastructure from London or Stockholm. You will build scalable services in Python/Java, champion cloud platforms (GCP/AWS), and work with data pipelines across product and engineering. Join a collaborative team, contribute to architecture decisions, and help ...

React Developer (TypeScript) – Hybrid London Contract

Location
Greater London, England, United Kingdom
from home. Join a global technology team to deliver UI initiatives for the Credit Flow business. You will work with TS/React, Java back-end exposure, and CI/CD tooling in an Agile/DevOps environment, contributing to secure, auditable trading UI solutions with leadership in the team. ...

Feature Lead, eTrading Systems

Location
Greater London, England, United Kingdom
will lead a team of engineers, collaborate with desks, strategists and quants, and shape production support for critical trading systems. The role requires deep Java/Spring expertise, experience with microservices, and strong knowledge of SQL/NoSQL data stores, CI/CD pipelines, and modern RPC frameworks. #J ...

Senior Software Engineer, Scalable Pricing Systems

Location
Greater London, England, United Kingdom
PowerToFly is seeking a skilled software developer in London to manage key services and enhance customer experiences using technologies like Java and AWS. The ideal candidate will have over 5 years of experience, a Bachelor’s degree in Computer Science, and a proven track record in scalable system design. Your ...

Market Data Software Engineer – Hybrid (London)

Location
Greater London, England, United Kingdom
contributing to new tools for data governance, and collaborating on production issues. The successful candidate will have strong programming skills in C#, Python, or Java, and a good understanding of database design and AWS technologies. TradingHub offers a hybrid working policy, annual bonus, and further training opportunities. #J-18808-Ljbffr ...

Senior Backend Engineer — Scale Payments (Remote-Friendly)

Location
Greater London, England, United Kingdom
data science squads to build scalable services handling high daily traffic. You’ll write high-quality code in TypeScript/Scala/Java/Kotlin, work with Postgres, DynamoDB, and Kafka, and contribute to a DevOps culture. Hybrid working with dog-friendly offices is offered. #J-18808-Ljbffr ...

AI Solutions Architect — Banking, Cloud & Innovation

Location
Greater London, England, United Kingdom
London seeks an IT professional to drive AI-powered banking solutions within an agile team. You will work on modern tech like Python, Java/Kotlin, Angular, Docker and Kubernetes, and collaborate with business units to deliver value-driven AI applications. You’ll help design, develop and integrate AI services ...

Software Engineer II — AI-Enabled Investment Tools

Location
Greater London, England, United Kingdom
Software Engineer within the Investment Group Technologies organization to build scalable systems and tools used by millions. You will work with TypeScript, Python, and Java, leveraging AWS services and contributing to data-driven investment solutions. The team values autonomy, learning, and impactful projects, with a culture focused on integrity ...

Remote Senior Software Engineer - Pioneering AI Training

Location
Greater London, England, United Kingdom
Senior Software Engineer to join a remote team focused on training next-generation AI systems. You will apply strong engineering skills in Python3, Java, Rust, Go, TypeScript, and possibly C++ to build scalable solutions that shape how models learn and perform. The role emphasizes high-quality, real-world input ...

Automation Test Engineer - Hybrid & Impactful QA

Location
Greater London, England, United Kingdom
play a client-facing role to ensure solutions align with business needs. The role suits developers with Agile experience and hands-on testing in Java/C#/JavaScript ecosystems, plus CI/CD familiarity. #J-18808-Ljbffr ...

Senior Software Engineer - Real-Time Securities Platform

Location
Greater London, England, United Kingdom
build a real-time, event-driven platform for securities lending, repo and delta-1 trading. The role covers end-to-end development across Java server-side components, Python ETL pipelines, and external integrations. You will drive architecture discussions, mentor teammates, and collaborate with traders and risk/ops teams ...

Senior Backend Engineer - 5G NTN & Satellite Orchestration

Location
Greater London, England, United Kingdom
between satellite operators and terrestrial networks using modern interfaces and protocols. As a backend engineer, you will design distributed systems with C++, Go, and Java, leveraging gRPC and Protocol Buffers, deployed on Kubernetes, while collaborating #J-18808-Ljbffr ...

Senior Lead Software Engineer - AI-Driven Data Platforms

Location
Greater London, England, United Kingdom
will lead metadata and distributed system workstreams and guide AI-supported development practices in a large, cloud-native environment. The role demands deep Java/Typescript expertise, hands-on system design, and the ability to operate with minimal #J-18808-Ljbffr ...

Senior Software Engineer – AI-Driven Payments

Location
Greater London, England, United Kingdom
cross-functional teams. Ideal candidates will possess a Bachelor's or Master's degree in Computer Science or Engineering, be proficient in C# .NET, Java, or Go, and have strong communication skills. This position offers opportunities for mentorship and growth in a dynamic engineering environment. #J-18808-Ljbffr ...