151 to 175 of 243 Java Jobs in London

Java Developer - Contract

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Java Developer - Contract 3 - 6 Month experience Remote working, Outside IR35 SC: Must be Eligible for SC (Criteria: 5 years as a resident in the UK and no longer than 30 consecutive days abroad outside the UK in the last 5 years) Run-Time are looking for +10 Senior Java … term project. Requirements: The environment is fast paced and rewarding and of great interest in terms of its use of latest tools and technologies. Java 7/8 to current Applied knowledge of front end frameworks (Angular, React, other similar) Spring framework Knowledge of selected front end technologies (HTML, JavaScript

Senior Fullstack Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
Senior Full Stack Developer - Active SC, Java, React Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Full Stack Developer with Active SC, to join a business-critical programme click apply for full job details

Python Automation Engineer

Hiring Organisation
International Business Solutions Consulting Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 Daily
Python Automation Engineer Location: London This position requires: Good understanding in Python Hand-on experience in different framework. Good working knowledge on Python or Java based framework (Eg. PyNum, PyTest, PyUnit, Django, PyCharm, etc ). (Mush Have) Knowledge on Android and iOS tools for debugging (ADB/Logcat) (Nice

Python Automation Engineer

Hiring Organisation
International Business Solutions Consulting Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 per day
Python Automation Engineer Location: London This position requires: Good understanding in Python Hand-on experience in different framework. Good working knowledge on Python or Java based framework (Eg. PyNum, PyTest, PyUnit, Django, PyCharm, etc..). (Mush Have) Knowledge on Android and iOS tools for debugging (ADB/Logcat) (Nice

Tech Lead- Fullstack with AI

Hiring Organisation
eTeam Inc
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £490 per day
Working Mode: Fully Onsite Contract Type: Inside IR35 Duration: 6 months Must have skills: Full stack with AI hands-on, Gen AI, React, Java, GCP, AWS Responsibilities: -deliverables -scope -planning *Ensure timely completion of assigned features and modules with proper testing and documentation. *Understand project requirements *Work within defined scope

Security Architect

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
view on current Departmental security standards and broker an enhanced set of Cloud security standards. Target technical platform is Oracle on AWS with a Java middleware layer and Pro*C, PL/SQL batch application. Provide leadership and direction to technical engineering/development resources in impacting potential security requirements

Observability Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, Cheap, United Kingdom
Employment Type
Contract
succeed Extensive experience in observability/SRE/platform engineering roles Strong experience with OpenTelemetry, Prometheus, Grafana, Splunk, Elastic etc Python, Go or Java programming Experience with Terraform, Helm or other IAC tools What you'll get in return An exciting opportunity to join an international organisation in financial services.

AI Agent Developer

Hiring Organisation
Microtech Global Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
related technical field. Experience in software development (Backend or Full-Stack). Strong proficiency in Python or other backend languages (e.g., Node.js, Java) and frameworks (e.g., Flask, Django, Express). Proven experience building applications using LLM APIs (e.g., OpenAI) in commercial or production-level environments. Hands-on experience with

OS Frameworks Engineer

Hiring Organisation
US TECH SOLUTIONS LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£54.00 - £58.00 per hour
degree (or equivalent) in Computer Science, Computer Engineering, or a related field. 6+ years of software development experience. Strong experience in C++ and Java , with familiarity in embedded systems programming. Minimum 3 years’ experience working on operating systems , AOSP, NDK, device management, or device security on Android/iOS platforms.

Senior Software Engineer - eDV Cleared

Hiring Organisation
NSD
Location
London, United Kingdom
Employment Type
Permanent
automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE … hearing from you. SENIOR SOFTWARE ENGINEER - DV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER/SENIOR SOFTWARE DEVELOPER//LEAD SOFTWARE ENGINEER/JAVA DEVELOPER/JAVA ENGINEER/LEAD SOFTWARE DEVELOPER/SENIOR SOFTWARE DEVELOPER/DV CLEARED/DV CLEARANCE/DEVELOPPED VETTING/DEVELOPED VETTED/DEEP

Machine Learning Engineer

Hiring Organisation
Amazon
Location
City of London, London, United Kingdom
Employment Type
Permanent
Experience (non-internship) in professional software development Experience in professional, non-internship software development Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design Preferred Experience Bachelor's degree in computer science or equivalent Experience with full software development life cycle, including

Senior Java Developer Global Investment Bank | Electronic Trading

Hiring Organisation
Feenicks Ltd TA Archway International
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Java Developer who thrives in fast-paced, high-performance environments? Were partnering with a global investment bank thats building the next generation of its electronic trading platforms powering algorithmic trading, smart order routing, and low-latency execution across global markets. This is a chance to join an elite engineering … engineers and quants who design, build, and optimise low-latency electronic trading systems used across EMEA and beyond. Youll work hands-on with core Java frameworks, enhancing benchmark algo engines, smart order routing systems, and internal crossing platforms that handle high volumes of market data in real time. This role

Mid Level Software Developer (Java)

Hiring Organisation
Spyrosoft Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55,000
high-quality software solutions. As a key member of the engineering team, you will be responsible for developing robust and scalable applications using Java , working within a Linux environment, and leveraging the power of Amazon AWS cloud infrastructure . Youll apply Test-Driven Development (TDD) or Behavior-Driven Development … objectives. Were seeking someone who takes pride in writing clean, well-documented, and testable code, with solid experience in unit and component testing. While Java expertise is essential, familiarity with Ruby and Python will be considered an advantage. Experience or interest in video technologies and video streaming/packaging would

IT Developer Java

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Agile methodology * To Contribute to continuous improvement plans throughout the product lifecycle, particularly during team retrospectives Knowledge, Skill and Experience * Proven experience of Java, Spring and Hibernate * Proven experience of Angular, Javascript, HTML5, CSS, RESTful services * Proven experience of Oracle database * Proven experience of testing framework using Junit 5 * Experience

Senior eFX Low Latency Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £160000/annum
Title: Senior eFX Low Latency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in low latency trading systems. This is a hands-on development role focused on building and optimizing pricing, hedging … systems for the eFX trading desk. Experience in eFX pricing is essential , including price construction and algorithmic trading . You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture

Recruitment Consultant Technology

Hiring Organisation
NexGen Talent Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£35,000
maintain strong client relationships, understanding their hiring needs and providing market insights Source and screen candidates for technical roles (SAP, ERP, CRM, DevOps, Java, Cloud, Digital, Blockchain, etc.) Negotiate offers and manage the end-to-end placement process Meet and exceed agreed KPIs and revenue targets Requirements Minimum 12 months

Senior Java Engineer (Kubernetes, Kafka, Docker) - Hybrid

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 750 Daily
Senior Java Engineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) Duration: 12 months Hybrid: 8 days per month Start: ASAP A banking client of mine is looking for a Senior Java Engineer with Kafka and Docker skills to join the team on a freelance basis click

Java Developer - eTrading Solutions

Hiring Organisation
Hays Specialist Recruitment Limited
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Join a leading banking firm as a Java Developer - eTrading Solutions Job Overview: Do you have a proven track record of building high-performance solutions? Are you confident at iteratively refining user requirements and removing any ambiguity? Do you want to design and build best-in-class, enterprise scale applications … using the latest technologies? We're looking for a java developer to: Develop scalable Java applications for complex business challenges Optimise and refactor existing services to improve performance and maintainability Translating business requirements into technical specifications Perform code reviews and share results with colleagues Lead UAT and demonstration sessions with

Software Engineer - Core Wealth

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
adoption throughout HL Digital. Contributing to technical decisions and shaping how we build our services. About You Experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An understanding of observability, using tools like Prometheus and Grafana … engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS/NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/

Senior Java Developer

Hiring Organisation
Hireful
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving our development

Junior / Mid level Java developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£320 per day
working with a consultancy looking for multiple junior Java developer to join a 12 month contract.Inside IR35SC eligible Remote (2x in London across the 12 months)Around £320per day Java Rust Bash Python AWS - Serverless/EC2/SQS IAC – Terraform, Ansible CI/CD – Gitlab Encryption - PKCS#11 (working knowledge

QA Engineer Java

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Engineer (Java) | Fintech Trading £70,000 - £80,000 + Bonus + Benefits Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean, quality Java-based automation code to contribute … internal Java-based test automation framework, catching issues before they hit production and helping deliver flawless, high-performance user experiences. What You'll Do Build and maintain robust Java test automation Work on an internal Java-based test automation framework used across all teams handling high-traffic, real-time trades.

Full Stack Developer

Hiring Organisation
Reed
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£480 - £500 per day, Inc benefits
join our team. The successful candidate will have a proven track record in both front-end and back-end development, with strong skills in Java, Python, and API development. You will be instrumental in building and maintaining scalable, high-quality applications that deliver exceptional user experiences. … role: Develop and maintain front-end and back-end components of applications. Utilise Java and Python to create robust, scalable server-side logic. Implement responsive and visually appealing front-end designs using HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue. Design and manage API integrations, ensuring seamless

Senior Fullstack Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + up to £550 pd (Inside IR35)
Senior Full Stack Developer - Active SC, Java, React Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Full Stack Developer with Active SC, to join a business-critical programme. Key Requirements: Proven experience working … Full Stack Developer within the public sector Active Security Clearance (SC) Strong proficiency in Java and Spring Boot for Backend development Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Experience implementing CI/CD pipelines and familiarity with Docker/Kubernetes

Senior Fullstack Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Senior Full Stack Developer - Active SC, Java, React Up to £550 per day (Inside IR35) London/Remote 12 months My client is an instantly recognisable consultancy who urgently requires a Senior Full Stack Developer with Active SC, to join a business-critical programme. Key Requirements: Proven experience working … Full Stack Developer within the public sector Active Security Clearance (SC) Strong proficiency in Java and Spring Boot for Backend development Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Experience implementing CI/CD pipelines and familiarity with Docker/Kubernetes