151 to 175 of 283 Java Jobs in London

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
City of London, London, United Kingdom
years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

Front Office C# Developer – Hedge Fund | London

Hiring Organisation
Undisclosed
Location
London Area, United Kingdom
.Net experience and knowledge are essential for this role, but the fund will consider exceptional candidates who work with other likeminded OOP languages (C++, Java, Go). When it comes to financial markets experience, there is a particular interest in Fixed Income and Rates, but these are not essential, they ...

Lead Backend Software Engineer Rust Low Latency

Hiring Organisation
Client Server
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
environment that encourages knowledge sharing and close collaboration. About you: You are an experienced backend focussed Software Engineer with strong OO programming skills (e.g. Java, C++), ideally you will have commercial Rust and/or Golang experience but you can pick this up on the job You have experience ...

Senior C# Developer - Head of Core Platforms | 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 ...

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 ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
pyramid and tools such as Vitest, Jest, React Native Testing Library, Maestro, Detox Nice to have: Experience with iOS (Objective-C, Swift) or Android (Java, Kotlin) native development. Experience with mobile release processes for the App Store and Play Store. Experience with performance optimisation and profiling in React Native. Familiarity ...

Salesforce Development Team Lead

Hiring Organisation
CitNOW Group
Location
South London, UK
Employment Type
Full-time
Working knowledge of AWS services such as Lambda, ECS Fargate, SQS, and DynamoDB is beneficial Familiarity with off-platform development in languages such as Java or Go is advantageous High level of understanding of architectural patterns and distributed system design principles Strong experience working with APIs (both REST and SOAP ...

RPA Developer

Hiring Organisation
Saga Group Limited
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£35,000
Candidate As one of our RPA Developers, you must have experience in supporting or developing across a diverse tech stack, including browser-based applications, Java clients, and thick clients underpinned by SQL Server databases. Other skills required include: Experienced with UIPath or similar software Familiarity with software implementation cycles Ability ...

Senior Java Game Engine Developer

Hiring Organisation
Eligo Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
experienced Senior Java Game Engine Developer looking for a new challenge? If you enjoy solving complex technical problems and creating reliable systems, this could be a great next step for you. BENEFITS : £80,000 to £90,000 per year, depending on experience, 30 days holiday, Private healthcare, Pension scheme, London … based, hybrid working 3 days work from home About the Role In this role, you will take ownership of developing, enhancing and maintaining Java based game engine components. You will work on core frameworks, introduce improvements that support new features, and contribute to tools that help with performance analysis ...

Senior Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Senior Software Developer (Java + Angular/React) Full Stack Hybrid (Surrey - 6 Days per Month) Up to £85,000 + Benefits We're partnering with a specialist technology consultancy delivering mission-critical software across Defence, Civil Aviation, and the Public Sector , and they're looking for a Senior Software … Clearance to be considered for this role. What you'll be doing: Designing and delivering enterprise-grade, full-stack software solutions Building and maintaining Java-based backend services and REST APIs Developing responsive front-end applications using Angular, TypeScript, and CSS Applying TDD, SOLID principles , and clean architecture best practices ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative solutions for low touch … latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing. The main responsibilities ...

Full-stack Java/Clojure developer

Hiring Organisation
S&P Global
Location
City of London, London, United Kingdom
support of trading, research, valuation and independent price verification. Asset class coverage includes foreign exchange, interest rate and equity derivatives. As Full-stack Java/Clojure developer working within OTC Derivatives Data you’ll be working closely with our product and data specialists across all asset classes, extending our platform. … Looking For: Basic Required Qualifications: Degree in computer science or numerate discipline, or equivalent background 3+ years of experience working on distributed Java platforms and Web Platforms Comfortable working with both UNIX/Linux and Windows environments Good understanding of agile software development methodology Thorough understanding of fundamental software engineering ...

Full-stack Java/Clojure developer

Hiring Organisation
S&P Global
Location
London Area, United Kingdom
support of trading, research, valuation and independent price verification. Asset class coverage includes foreign exchange, interest rate and equity derivatives. As Full-stack Java/Clojure developer working within OTC Derivatives Data you’ll be working closely with our product and data specialists across all asset classes, extending our platform. … Looking For: Basic Required Qualifications: Degree in computer science or numerate discipline, or equivalent background 3+ years of experience working on distributed Java platforms and Web Platforms Comfortable working with both UNIX/Linux and Windows environments Good understanding of agile software development methodology Thorough understanding of fundamental software engineering ...

Full Stack Java Developer - Java Springboot React

Hiring Organisation
SGI
Location
Greater London, England, United Kingdom
Full Stack Developer 12 Month Contract initially Bournemouth - 3 to 4 days a week onsite Rate DOE A leading consultancy are currently searching for a Full Stack Developer to join them on a 12 month ...

Senior Automation Test Engineer - ETRM / Trading Platforms

Hiring Organisation
Data Careers
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Permanent Location: London/Home (Hybrid) Salary: £70,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are looking to recruit an Automation Tester, with trading platform experience, for a leading software company that delivers advanced solutions for trading ...

Technical Lead

Hiring Organisation
Third Nexus Group Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £105000/annum
leadership, architecture, and hands-on coding capability, with close engagement in client-facing and pre-sales activity. What good looks like: Strong engineering foundation (Java, .NET, or similar modern stack) Comfortable being hands-on in code when needed (e.g. CI/CD, Terraform, Kubernetes) Proven experience leading teams and mentoring ...

Principal/Lead Android Engineer - Mobile Banking

Hiring Organisation
Vertus Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 - 120,000 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 ...

Android Developer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
London Area, United Kingdom
improve CI/CD pipelines (Bitrise) Participate in code reviews, design discussions, and agile ceremonies 💡 What We’re Looking For Strong Kotlin skills (Java knowledge a plus) Experience with MVVM/Clean Architecture Hands-on with Jetpack Compose, Hilt, Retrofit Exposure to or strong interest in KMP/CMP Comfortable ...

Mobile App Developer - IoT Payment Technology

Hiring Organisation
Enterprise Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
weeks. Requirements: Strong experience with React and React Native Hands-on experience with native iOS (Swift/Objective-C) and Android (Kotlin/Java) development (or the desire to pick this up) Proven ability to build, deploy, and maintain mobile apps on the App Store and Google Play Solid understanding ...

Graduate Software Developer / Quantitative Developer / Quantitative Researcher - Up to £170,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
performance-driven culture ✅ What You’ll Bring 🎓 Degree in Computer Science, Mathematics, Physics, Engineering , or another STEM discipline 💻 Strong programming skills in Python, C++, Java, C#, or KDB+/Q 🔍 Analytical mindset with a passion for tackling complex, data-driven challenges ⚡ Curiosity, drive, and the ability to thrive in fast ...

Gen AI Engineer

Hiring Organisation
AVENSYS CONSULTING (UK) LTD
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
Retrieval-Augmented Generation), and context-aware pipelines to ensure accuracy and relevance. Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js backends. Collaborate with architects to define scalable and secure AI service architectures. Experience in the following Implementing AI/ML pipelines for model ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
London Area, United Kingdom
lifecycle management, concurrency, and performance tuning. ● Familiarity with Gradle and how architecture influences build and release pipelines. ● Ability to read or maintain legacy Java code. Bonus Points ● Experience integrating Kotlin with hybrid technologies like React Native. ● Experience building modularised Android architectures. ● Exposure to enterprise-scale retail or transactional systems. ● Strong ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
City of London, London, United Kingdom
lifecycle management, concurrency, and performance tuning. ● Familiarity with Gradle and how architecture influences build and release pipelines. ● Ability to read or maintain legacy Java code. Bonus Points ● Experience integrating Kotlin with hybrid technologies like React Native. ● Experience building modularised Android architectures. ● Exposure to enterprise-scale retail or transactional systems. ● Strong ...

AI/ML Principal Engineer

Hiring Organisation
Velocity Talent Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day £400 a day inside IR35
Reasoning, text-embedding-ada-002 Libraries & Tools numpy, pandas, scipy, scikit-learn, tensorflow, keras, nltk, matplotlib, seaborn, plotly Programming Languages Python, R, C++, C#, Java, Node.js, HTML, SQL Agentic AI OpenAI Agents SDK, Model Context Protocol (MCP), LangChain, LangGraph, Bedrock Agents, CrewAI, Helicone Rate:400GBP/day Inside IR35 Work ...

IT Service Engineer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
/HyperV/Virtualisation) Technologies: MS Server 2019/22, Redhat Linux, AD and Group Policy Management, MS Certificate and KPI, MS SQL, Gigaspace, Java, Network config and Management, WSUS,/UXMS Hardware: Cisco LAN/WAN switches, Dell/Fujitsu/HP Server and user devices, Dell/Fujitsu ...