276 to 300 of 346 Java Jobs in London

Software Engineer (Systematic Hedge Fund)

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real, measurable impact. … join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders to solve practical problems. ...

Staff Kotlin Engineer

Hiring Organisation
George Blake
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 90,000 Annual
leadership and drive the development of our next-generation platforms. Key Responsibilities Lead the design and implementation of scalable, high-performance software solutions using Java and Kotlin. Provide technical direction and mentorship to a team of engineers. Drive architectural decisions and ensure adherence to best practices in software engineering. Collaborate … continuous improvement. Qualifications & Experience Bachelor s or Master s degree in Computer Science, Engineering, or a related field. Extensive experience in backend development using Java and Kotlin. Deep understanding of software design patterns, data structures, and algorithms. Proven experience in system architecture and designing distributed systems. Familiarity with cloud platforms ...

Staff Kotlin Engineer

Hiring Organisation
George Blake
Location
W1, Marylebone High Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
leadership and drive the development of our next-generation platforms. Key Responsibilities Lead the design and implementation of scalable, high-performance software solutions using Java and Kotlin. Provide technical direction and mentorship to a team of engineers. Drive architectural decisions and ensure adherence to best practices in software engineering. Collaborate … continuous improvement. Qualifications & Experience Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. Extensive experience in backend development using Java and Kotlin. Deep understanding of software design patterns, data structures, and algorithms. Proven experience in system architecture and designing distributed systems. Familiarity with cloud platforms ...

Lead React Developer Software Engineer Trading Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
take concepts and ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: Ag-Grid and GraphQL Golang Java Role: Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds … multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL and Playwright. This all sits on Golang, Kafka, Java and AWS, which the other developers will be building. Although, any Back End experience would be advantageous. You need experience building trading systems but it does ...

REMOTE React Developer Software Engineer Trading Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
take concepts and ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: Ag-Grid and GraphQL Golang Java Role: REMOTE Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates … multi-asset portfolio management system. The stack is React, TypeScript, Redux, Ag-Grid, GraphQL and Playwright. This all sits on Golang, Kafka, Java and AWS, which the other developers will be building. Although, any Back End experience would be advantageous. You need experience building trading systems but it does ...

Senior Backend Engineer

Hiring Organisation
Ferry
Location
London, England, United Kingdom
other engineers as we execute on our mission. Our platform is multi-disciplinary, and our tech stack reflects this. We utilize Go and Java on the backend (strong proficiency in one is expected; willingness to learn the other is essential). We also use Python, with Typescript/Next.js … junior engineers, and contribute to a strong engineering culture Who You Are 7+ years as a Backend Engineer Strong proficiency in either Go or Java (and excited to learn new languages & frameworks) Comprehensive knowledge and experience building, testing and deploying APIs & distributed systems Familiarity with microservice architectures and event-driven ...

Senior Java Kafka Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 750 Daily
currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking - Must have. Extensive Kafka experience click apply for full ...

Senior Software Engineer - JavaScript

Hiring Organisation
RedTech Recruitment
Location
London Area, United Kingdom
environment • Solid hands-on experience with JavaScript and server-side technologies such as Node.js • Experience working with PostgreSQL, Redis and Elasticsearch • Exposure to Python, Java or modern front-end frameworks would be beneficial • Exceptional problem-solving skills with the ability to think strategically and analytically • Proven ability to mentor …/Software Architect/Web Application Engineer/JavaScript/Node.js/PostgreSQL/Redis/Elasticsearch/TypeScript/Express.js/Python/Java/React/Angular/Vue/Computer Science/Software Engineering/Web Development RedTech Recruitment Ltd focus on finding roles for Engineers ...

Senior Security Cloud Engineer

Hiring Organisation
Cint
Location
London, England, United Kingdom
Other significant tools of the platform include Linux, Terraform, Kubernetes, Docker, Packer, Ansible and Jenkins. We support applications and services written in Golang, Python, Java, Scala and .Net. We monitor and alert on everything we deploy via Grafana, Prometheus, Graphite and ELK stacks. You will be someone that shares … defensive programming techniques and visualisation and measurement of security KPIs Expertise in at least one scripting or programming language (Python, Bash, Ruby, Node, Golang, Java) Plays well with others - we build and ship as a team Advantageous Qualifications AWS Certified Security Specialist Hands on experience designing and implementing security controls ...

Full Stack Java Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Location: Canary Wharf(Hybrid, 2 days p/w onsite)Pay Rate: £500-£550 (outside) Duration: 6 monthsTech Stack:- Essential: Java, Angular, Azure cloud services- Desirable: React I am currently looking for an experienced Full Stack Developer to join a major transformation programme within a global financial institution. … digital platforms with a strong engineering culture and a cloud-first approach. What You'll Be Working On Building and enhancing backend services using Java Developing responsive, user-focused front-end interfaces primarily in Angular Supporting cloud-native delivery using Azure Services Collaborating with architects, product teams, and fellow engineers ...

Java Software Engineer (National Security)

Hiring Organisation
Frontier Resourcing
Location
City of London, London, United Kingdom
reviews Comfortable taking projects from initial concept through to delivery Analytical thinker who can decompose challenges and deliver iterative value Preferred Background Experience using Java, C++, or Python Understanding of data-intensive systems, backend services, or cloud-based platforms Familiarity with regulated, high-security, or mission-critical development contexts Confidence ...

Senior Java Developer

Hiring Organisation
Lynx Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software ...

Backend Software Engineer Java - Futures Trading

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Backend Software Engineer/Developer (Java AWS Kafka) London/WFH to £140k Are you a Java technologist with Futures trading systems experience? You could be progressing your career, in a senior, impactful role at a global, cloud-native, prime broker that is replacing the legacy infrastructure used across capital ...

Java Developer (SC Cleared)

Hiring Organisation
True North Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£455 per day
Cleared Java Developer Contract : Inside IR35 Rate : £450 per day Location : Any of: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London Hybrid : 1 day per fortnight in the office closest to your address Skills : Java, TDD, Microservices, Paired Programming, APIs Role : You'll work with a consultancy client ...

Java Developer - Equities Algo Trading x2

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £950 per day
Role type - Contract role IR35 status - Inside Dat rate - £750 - £900 pd About the Role: A premier Tier 1 investment bank seeks an adept Java developer specialized in algorithmic trading to join their Electronic Trading Technology team. This position involves driving forward new projects and maintaining essential trading engines. … phases of the development cycle, including requirement gathering, coding, unit testing, patch reviewing, and providing second-level support Qualifications: Skills: Strong command of core Java APIs (Concurrency, collections) Experience with multithreaded systems, Java garbage collection, and low-latency I/O Knowledge of design patterns Experience with TDD Familiarity with ...

Java Software Engineer

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods ...

AI Technical Lead

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
bank-model registries, feature stores, lineage services, governance controls, dashboards, and reporting pipelines. Work directly with technologies such as AWS SageMaker, Python, SQL, Java, event-driven systems, Open Telemetry, Kafka, and cloud-native monitoring stacks. Support governance of AI systems through transparent metrics, automated reporting, and integrated control mechanisms Identify … standards, and new tooling Key Skills and Experience Strong engineering foundations, with experience building scalable distributed systems or data platforms. Fluency in Python, SQL, Java , and modern data processing frameworks. Expertise in cloud-based AI/ML ecosystems , particularly AWS SageMaker (required). Proven experience developing monitoring frameworks , observability pipelines ...

Automation Assurance Specialist

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
business development, internal initiatives and knowledge-sharing activities Technology Exposure You will gain experience across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB … Foundation certification (or equivalent experience) Strong experience in functional, integration, exploratory and manual testing Experience building and contributing to automation frameworks (Java or JavaScript) Hands-on experience with backend and frontend automated testing tools Experience working in agile delivery environments Confident using Git-based version control tools (GitHub, GitLab etc. ...

Senior Java Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 900 - 925 Daily
currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking or commodities - must have click apply for full ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
clearance held at the point of application Experience defining data strategy, data migration, and data integration approaches Hands-on experience when required using Java, Scala, or Python Strong experience with big data technologies Experience designing architectures on Microsoft Azure Experience with both open-source and vendor data platforms Strong understanding … architectural methodologies and design principles Experience designing microservices-based architectures Strong data modelling experience Understanding of non-functional design drivers Strong background in Java and RESTful services, including solution design and code review Consultancy & Communication Skills As a Data Architect , you will also be expected to: Communicate complex technical concepts ...

Full Stack Developer - React / Java (SC Cleared)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 500 - 525 Daily
Full Stack Developer (80% React/20% Java) Location: Fully Remote (UK Based) Rate: £525 per day (Inside IR35) Clearance: Active SC Clearance (Essential) Contract Length: Initial 6 months We are looking for a Frontend-heavy Full Stack Developer to join a long-term digital transformation programme click apply ...

Senior Java Developer - Electronic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
months (extension likely) Working Model: Hybrid Level: Senior/VP-equivalent individual contributor Overview A leading global financial services organisation is seeking a Senior Java Developer (Contract) to join its Electronic Fixed Income (eFI) Technology team click apply for full job details ...

Senior Java/ Python Engineer

Hiring Organisation
Deloitte
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
Senior Java/Python Engineer Location : London (5 days in office) Duration 12 months Competitive Day Rate (Inside IR35) Key Skills: Proficient in Java/Python concepts and proficient advanced experience. Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud environments. Advanced knowledge ...

Full Stack Engineer Java AWS React - Start-up

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
Full Stack Engineer/Developer (Java AWS React) London/WFH to £80k Are you a Java technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start ...

Java Developer with SQL & GIT

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
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 ...