151 to 175 of 296 Java Jobs in London

Graduate Software Developer – Boutique Systematic Mayfair Hedge Fund – Excellent Compensation + Benefits

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
involved in extracurricular pursuits such as start-ups. They should possess deep expertise in Python or demonstrate proficiency in other languages like C#, C++, Java, React, or Ruby. You can expect: 1 year of experience in a leading institution. Proficiency in C# Market-leading compensation with a generous base salary ...

Technical Lead

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Work closely with product managers and business stakeholders to align technical direction with strategic goals Write high-quality, production-ready code using Kotlin or Java Lead by example through code reviews, architectural decisions, and continuous delivery practices Drive improvements in engineering practices, tooling, and team workflows Help scale backend infrastructure ...

Junior Software Engineer

Hiring Organisation
Metfolio
Location
City of London, London, United Kingdom
using Cursor and AI IDEs Understanding the fully synchronous behaviour of MERN Understanding of MVC design patterns Experience in front-end technologies, such as Java, Dart and potentially Swift Knowledge of object-oriented programming Strong ability to write custom APIs linking to front end interfaces, with a focus on mobile ...

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
London Area, United Kingdom
essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web Leadership & Approach Experience working in front‐office or trading‐technology ...

Lecturer in Computing

Hiring Organisation
Regent College London
Location
Wembley, England, United Kingdom
deliver and support modules in the Computing related disciplines some of these are as follows: Advanced Programming in C# Data Structures and Algorithms in Java Databases using SQL Advanced Databases and Big Data using Python Web Design Programming using ASP .Net Core Cloud Computing Applied Machine Learning using Python ...

SAP BTP Lead

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
/4HANA architecture, extensibility models, and clean-core principles. Expertise in API design, integration technologies, and cloud development (CAP, RAP, Node.js, Java). Knowledge of identity and access management (IAS/IPS, OAuth, XSUAA) and security best practices. Experience with CI/CD, Git, deployment automation, and cloud operations. Proven ...

Palantir Consultant

Hiring Organisation
Staffworx Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
OSDK/APIs Actions and AIP/agentic features Proficiency in at least one general-purpose programming language commonly used with Foundry (eg Python, Java or similar) for data transformations, services and integrations. Solid understanding of core data engineering concepts: batch/stream processing basics, data modelling, data quality ...

Java Developer with SQL & GIT

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Adword Job title: Java Developer with SQL & GIT Duration: Permanent Location: London - Hybrid (3 days a week from office) Job description: We are seeking talented Senior Hands on Java Developers to join our core Fixed Income team in lead and support roles To help design develop and implement our applications … years of experience in software development required 5 years of experience working with Fixed Income Products and Associated Electronic Workflows Strong proficiency with Java SQL and Git Very good understanding of industry standard trading protocols like FIX FpML Proficiency with Data Standards Data Modelling Proficiency with textbased formats like ...

Backend Software Engineer Java AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Backend Software Engineer/Developer (Java AWS Spring) London/WFH to £90k Are you a backend focussed technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across capital markets with a new cloud … Backend Software Engineer you will join a small team responsible for building a brand new Futures Trading platform for the UK, primarily using Java with a focus on backend development but also with some React UI work. You'll be working on complex and challenging, highly available mission critical systems ...

Full Stack Engineer

Hiring Organisation
Persistent Systems
Location
London Area, United Kingdom
details: Role : Full Stack Engineer Location: Glasgow, UK Hybrid: 2 days to office Job Type : Permanent role Summary: Looking for Expertise in advanced Java and open-source technologies. Skilled in Spring Boot, Hibernate, Microservices, Docker, Kubernetes, JPA, MySQL, SQL Server, Snowflake, REST API, Apache Kafka, Jenkins, CI/CD, Python … Machine Learning, Data Analytics. Leveraging GitHub Copilot to enhance productivity and reduce delivery timelines. Core Competencies • Languages: Java (7–17), Python • Frameworks: Spring Boot 3.x, Hibernate, JPA, Microservices, Apache Kafka, Docker, Kubernetes, API gateways, JWT, Spring MVC, Spring Cloud etc. • Tools: Jenkins, Maven, Gradle, Git, SonarQube, check style, Spotless, GitLab ...

Senior Java Engineer – Reactive (Spring WebFlux)

Hiring Organisation
Fynity
Location
London Area, United Kingdom
Senior Java Engineer – Reactive (Spring WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

Senior Core Java Engineer - Low-Latency Trading

Hiring Organisation
Understanding Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £125,000 per annum
Senior Core Java Engineer - Low-Latency Trading Salary: Up to £125,000 + bonus + benefits Location: City of London (3 days onsite) Build ultra-low latency systems at the heart of global FX trading! This is an opportunity for a Senior Core Java Engineer to join a leading Asian … fast-paced financial environment, this is the role for you. What you'll be doing Design, build and optimise low-latency, high-throughput Core Java trading systems Own and drive performance improvements across critical components Contribute to the architecture and evolution of a world-class FX trading platform processing billions ...

Backend Engineer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Role: Backend Engineer (ATA) Location: United Kingdom (Remote work) Skills: Java, AWS, Spring Boot, REST APIs,MySQL Job Summary: We are looking for a Backend Engineer to join the Core Portal team and build scalable backend services for an enterprise discovery application click apply for full job details ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 - 900 Daily
Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure ...

Principal/Lead Android Engineer - Mobile Banking

Hiring Organisation
Vertus Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 - 140,000 Annual
team management experience Ability to influence cross-functional teams and senior stakeholders Extensive experience building complex Android applications System design and architecture capabilities Kotlin, Java, and Jetpack Compose Experience with Agile methodologies, TDD, and CI/CD practices This is an excellent opportunity to help shape the future of digital ...

Senior Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, United Kingdom
Employment Type
Contract
development and education in this area Nice-to-Haves: Experience in pair programming Proficiency in idiomatic Kotlin for application development Experience: Extensive knowledge of Java programming language (5 years+) 5+ years practical experience in test driven development AI Integration: We have an AI special interest group and are adopting ...

Senior Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, UK
Employment Type
Full-time
development and education in this area Nice-to-Haves: Experience in pair programming Proficiency in idiomatic Kotlin for application development Experience: Extensive knowledge of Java programming language (5 years+) 5+ years practical experience in test driven development AI Integration: We have an AI special interest group and are adopting ...

Head of Platform Engineering (AI) - Senior Technology Leader - £250,000

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
scaling of the platform globally. The right engineer should bring experience with Neo4j, production grade LLM/AI capabilities (RAG, embeddings, inference pipelines), Kafka, Java/JVM and API-first architecture. The position offers a rare modernisation opportunity, you'd be transitioning from a third-party engineering team to inhouse ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
where the code you ship shows up in production fast and at scale. 💡 They’re looking for engineers who: Have strong OOP fundamentals ( Python, Java, Go, or Rust ) (core stack is C# , and they’ll support you getting up to speed) Enjoy breaking down complex systems and rebuilding them into ...

Global Head of Front Office Application Engineering

Hiring Organisation
Cititec
Location
City of London, London, United Kingdom
engineering leadership within trading, commodities, energy or capital markets. Proven experience running front-office application teams supporting live trading desks. Strong technical background in Java, React, APIs, real-time data and AWS. Experience delivering high-performance, low-latency trading platforms. Confident working directly with traders, quants and senior commercial stakeholders. ...

Software Tester

Hiring Organisation
EightMoose.com
Location
Harrow, London, United Kingdom
Employment Type
Permanent
Salary
£30,000
testing principles. Familiarity with SQL or Excel for data validation is advantageous. Knowledge of testing tools (e.g., Selenium, JIRA) or programming languages (e.g., Python, Java) is a plus. What We Offer: Structured training and professional development opportunities. A collaborative and supportive team culture. Competitive salary with a comprehensive benefits package. ...

Software Tester

Hiring Organisation
EightMoose.com
Location
Dagenham, Essex, South East, United Kingdom
Employment Type
Permanent
Salary
£30,000
testing principles. Familiarity with SQL or Excel for data validation is advantageous. Knowledge of testing tools (e.g., Selenium, JIRA) or programming languages (e.g., Python, Java) is a plus. What We Offer: Structured training and professional development opportunities. A collaborative and supportive team culture. Competitive salary with a comprehensive benefits package. ...

AI Semantic Architect

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent
graph databases (Neo4j, GraphDB, Apache Jena, etc.). Data Modelling & Integration: Strong understanding of data architecture and integration techniques. Programming Skills: Proficiency in Python, Java, or similar for semantic data processes. Analytical Skills: Ability to troubleshoot ontology logic and query performance. Desired Experience Familiarity with metadata standards (Dublin Core, schema.org ...

Fidessa Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
trade lifecycle, market structure, and regulatory requirements (MiFID II, Reg NMS, CAT/TRF). Experience with message-driven architectures, SQL, and scripting in Java or Python. Excellent problem-solving skills and the ability to work closely with traders and engineers in fast-paced environments. Apply today or email your ...

Backend Engineer

Hiring Organisation
Native
Location
City of London, London, United Kingdom
architecture of the company from early days Required experience Experience with Python in production systems, plus at least one additional backend language (e.g. Rust, Java, Go) Experience building and running production backend systems Comfortable turning ambiguous research or ideas into real software Solid understanding of APIs, databases, and distributed systems ...