151 to 175 of 311 Java Jobs in London

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure ...

Full-Stack Developer

Hiring Organisation
Sanderson Recruitment
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day + Inside IR-35
experienced Backend Developer to join a key public sector programme focused on delivering secure, high-performance systems that support critical government services. Required Skills * Java * Kafka Nice to Have Skills * Spring (Framework, Boot, Data) * Postgres * OpenSearch/ElasticSearch * NodeJS * Rest API * Wiremock (API mocking) Reasonable Adjustments: Respect and equality ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies ...

Lead Software Engineer

Hiring Organisation
Burns Sheehan
Location
London Area, United Kingdom
accountable and sustainable cloud provider🌳 What they're looking for in a Lead Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident ...

Machine Learning Engineer

Hiring Organisation
Mintus
Location
London Area, United Kingdom
degree in data analytics, or similar will be advantageous. At least two years' experience as a machine learning engineer. Advanced proficiency with Python, Java, and R code writing. Extensive knowledge of ML frameworks, libraries, data structures, data modeling, and software architecture. In-depth knowledge of mathematics, statistics, and algorithms. Strong ...

Palantir Consultant

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
knowledge of Palantir Foundry (Ontology, pipelines, apps, AIP); Palantir certifications desirable. Proficiency in at least one coding language (e.g., Python/PySpark, R, Java, SQL, Typescript) and experience with object-oriented design or software engineering. Strong understanding of data engineering, modelling, platform integration, UX design, and data visualisation. Excellent communication ...

AI Engineer - AVP Capital Markets

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
boundaries and champion modern engineering trends. Stay ahead of the curve in Generative AI, ML infrastructure, and cloud-native tooling. Tech Stack Programming: Python (Java familiarity is a plus). AWS: S3, Kinesis, Glue, Lambda, Step Functions, SageMaker, and more. On-Prem: Managed Kubernetes Platform and Hadoop ecosystem. Why This ...

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 ...

AI Engineer - VP Capital Markets

Hiring Organisation
Caspian One
Location
London Area, United Kingdom
boundaries and champion modern engineering trends. Stay ahead of the curve in Generative AI, ML infrastructure, and cloud-native tooling. Tech Stack Programming: Python (Java familiarity is a plus). AWS: S3, Kinesis, Glue, Lambda, Step Functions, SageMaker, and more. On-Prem: Managed Kubernetes Platform and Hadoop ecosystem. Why This ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
East 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 ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
Central London / West End, 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 ...

Full Stack Engineer

Hiring Organisation
The Profs
Location
London Area, United Kingdom
Support data-driven improvements through analytics and experimentation Essential Skills & Experience 2–5 + years experience as a Full Stack or Software Developer React Java JavaScript, HTML, CSS PostgreSQL Experience using Git in a collaborative environment Ability to communicate technical concepts clearly to non-technical stakeholders Strong written and verbal ...

Front Office C# Developer – Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, 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 ...

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 ...

AWS Security Engineer

Hiring Organisation
Apsley Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
data platforms on AWS (Glue, EMR, Redshift, Athena, RDS, OpenSearch, Kafka/MSK). Knowledge of secure coding practices in Python/Node/Java or your core development stack. Experience with policy-as-code and automated control enforcement (OPA/Conftest, tfsec, Checkov). Personal Attributes Highly collaborative ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
London Area, 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 ...

Java Software Engineer (SC Cleared)

Hiring Organisation
Sanderson Government & Defence
Location
London Area, United Kingdom
Java Software Engineer Location: London Business Unit: Central Government, Law Enforcement and National Security Level: Mid-Senior Employment Type: Permanent Clearance: Must hold active UK Security Clearance About the Opportunity We are partnering with several businesses seeking experienced Java Software Engineers to help deliver mission-critical capabilities that protect … backlog refinement. Contributing to technical strategy, innovation, and tactical upskilling across emerging technologies. Key Skills & Experience Strong commercial experience with Spring Boot and Java Enterprise development. Front-end proficiency with React , Vue.js , or AngularJS . Experience with modern testing frameworks and TDD. Ability to work across UI, API, and data ...

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 ...

Data Scientist

Hiring Organisation
Emporia Consulting Group Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 650 Daily
paying up to £600 per day, depending on experience. Experience and skills required for the Data Scientist, Advanced SQL, LLM, RAG, Machine Learning, Python, Java Development experience in one or more object-oriented programming languages (e click apply for full job details ...