1 to 25 of 28 Contract Java Jobs in the South East

Senior Java Developer - Multithreading/Caching

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £1,000 per day
Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract *inside IR35 - umbrella* Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional teams to define … joins, and large/complex datasets. Leverage AI tooling to enhance productivity in coding and system design. Required Skills & Experience 8+ years ' experience in Java backend development (Java 17+). Degree in Computer Science, Software Engineering, or related field. Strong expertise in Java + Spring Boot/Spring Data/ ...

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
Title: Senior Java full stack developer/Tech Lead Work model – Hybrid (3 days in an office) Location – London, UK We are seeking an experienced and results-driven Senior Java Full Stack Developer (React Mandatory) to join our team in London. This project is associated with one of the largest … maintain robust, scalable, and high-performance web applications. Build responsive and dynamic user interfaces using React js. Develop backend services and APIs using Java (Spring Boot/Spring Framework). Write clean, maintainable, and efficient code following best practices. Perform code reviews and mentor junior developers. Optimize applications for maximum ...

Principal SRE - Site Reliability

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Ensure compliance with security, governance, and regulatory standards Required Skills & Experience Strong background in software engineering for large-scale distributed systems Proficiency in Golang, Java, or Python Hands-on experience with AWS, Azure, or GCP Deep knowledge of Kubernetes and container orchestration Proven experience with CI/CD and infrastructure ...

Release Manager - Active SC, AWS

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £506 per day
experience working as a Release Manager within the Public Sector. Active SC Clearance. Own and coordinate end-to-end release cycles for AWS-hosted Java/Spring Boot services, ensuring readiness, dependency management, quality checks and stakeholder communication. Oversee deployments through CI/CD pipelines (Jenkins or similar), managing environments ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60.00 - £80.00 per hour
distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud & DevOps: Kubernetes (BKS), AWS, and advanced observability (Metrics, Dashboards, Alerts). What You Will ...

Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experience working with Legacy Java versions (Ideally Java 8). This 6-Month contract is determined as Inside IR35 and is offered on a Hybrid remote basis requiring …/2 days per week of onsite work in Swindon or London. Key Requirements Strong commercial experience with Java 8 or similar legacy Java frameworks Solid skills in SQL, Spring Boot, and Hibernate development practices Proven ability to build microservices and reliable RESTful APIs Hands-on experience applying ...

Site Reliability Engineer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £551 per day
multi-region environments Strong experience with Kubernetes and container orchestration at scale Proficiency in at least one programming language such as Go, Python, or Java Proven experience managing high-severity incidents and leading remediation efforts Preferred Qualifications Ideally, candidates will also have: Experience with multi-region or multi-cloud architectures ...

Software Engineer - Axiom ControllerView

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
solving skills with attention to detail Nice to Have Knowledge of regulatory frameworks such as Basel, Liquidity, Capital, or Financial Reporting Experience with Python, Java, or other scripting languages Familiarity with scheduling and automation tools Experience supporting production regulatory platforms Additional Information Hybrid working model: minimum of 3 days ...

Web GIS Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £300 to £400 per day
tools, extensions, and advanced geoprocessing. Competency in ArcGIS Online and Portal for ArcGIS content creation, administration, and deployment. Programming & Development Proficiency in .NET or Java, along with Python, SQL, and JavaScript. Experience with React JS for custom widget/tool development in Experience Builder. Knowledge of web services, open standards ...

Site Reliability Engineer (Contractor)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£540 - £550 per day
experience operating production workloads in AWS, GCP, or Azure (multi-region)* Strong Kubernetes experience in large-scale production environments* Proficiency in Go, Python, or Java for tooling and automation* Proven experience leading high-severity incidents and driving cross-team remediation* Experience designing and operating CI/CD systems with deployment ...

Frontend Software Engineer

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £685 per day
micro-frontends Knowledge of AWS, Kubernetes or CI/CD tooling Experience in fintech, payments or regulatory environments (KYC, compliance) Backend exposure (e.g. Java) Experience migrating from Vue/Next.js to React Working Arrangements: Hybrid working - flexible approach to office attendance Typically 1 day every 2 weeks in the office ...

KDB Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
experience with KDB/Q * Excellent troubleshooting, unit testing, and problem-solving skills * Technical design expertise focused on maintainability and reusable code * Experience with Java/JavaEE * Exposure to JSCRIPT and Web UI technologies (big plus) * Knowledge of equities and equities trading flows (big plus) * Familiarity with Azure, Fitnesse, automated ...

Senior UI React

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £900 per day
Frameworks: Mastery of React and Redux, with extensive experience shaping robust UI architectures used in demanding trading workflows. Back-End: Strong working knowledge of Java, capable of contributing effectively to full-stack solutions when required. Industry Insight: A comprehensive understanding of the full trading lifecycle within investment banking, particularly across ...

Lead Android Developer (SDK, MVVM) - Hybrid - Sussex

Hiring Organisation
Salt Search
Location
East Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
role plays a critical part in shaping the technical direction and delivering seamless digital customer experiences. Qualifications Strong experience in Android development using Kotlin, Java, Android SDK, and Jetpack Proven experience operating as a Technical Lead or senior engineer with architectural responsibilities Deep understanding of mobile architecture patterns (e.g. MVVM ...

Quality Analyst - Mobile

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
strong Business Knowledge. Strong and clear Communication Skills. Experienced working within Banking/Ecommerce. Knowledge and Experience of: Test Case Management Jira/Zephyr Java/Appium IND_PC3 Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Oracle EBS Senior Technical Consultant

Hiring Organisation
cer Financial Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£405 - £690 per day
successful candidate will have: Oracle EBS R12.2 (GL, AP, FA), SQL/PLSQL, Reports/Forms, BI Publisher, Workflow, OAF, Unix scripting APEX, Java, AME, Oracle Integration Cloud (OIC) Full lifecycle EBS Financial implementations Translate business requirements into technical solutions Troubleshoot and support complex customizations ...

Junior Quantitative Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
across our engineering hubs (London, New York City, and Sydney) About You Professional experience programming in a strongly typed programming language such as C#, Java, C++, Go, or Rust Working knowledge of producing quantitative applications targeting at least one major asset class (e.g. Credit, Rates, FX, Equities, Commodities, etc.) Degree ...

Java Developers x 2 - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £70/hour
Java Developer - Cloud Services + 12 month initial contract + Hybrid working out of Guildford + SC Cleared role + £70 p/h - Inside IR35 Key Skills: + Java Developer + Cloud Services + RedHat/Kubernetes Role Overview - The Software Engineer will join our collaborative, forward-thinking Agile … days a week, with the opportunity to work 2 days from home. Responsibilities Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting requirements and coding standards. Develop reusable patterns and encourage innovation that will enhance team velocity. Contribute to quality assurance by writing unit ...

Contract Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525 per day
Java Developer - SC Cleared Guildford - Hybrid - 2-3 days per week 12-month Contract £525 per day InsideIR35 SC Clearance is essential for this role Hiring for a Java Software Engineer to join a collaborative Agile team building cutting-edge software solutions using modern cloud technologies. You will be involved … across the full development lifecycle, designing and delivering scalable, high-performance cloud-based services in a fast-paced, innovative environment. Responsibilities: - Develop high-quality Java-based applications - Build scalable, reusable code and contribute to best practices - Write unit and automated tests to ensure quality - Participate in code reviews, design discussions ...

Salesforce Engineer | £400 – £450 | Outside IR35 | 6 Months | Remote First

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
testing Drive modern engineering practices and support AI-assisted development tools Resolve technical debt, improve performance, and ensure scalable architecture Requires strong Salesforce Apex, Java, CI/CD, integrations, automation, and refactoring experience Previous experience working in Fintech or regulated environments is beneficial What to do next If this Salesforce ...

Senior EFX Java Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£90,000 - £125,000 per annum
About The Role FDM is a global business and technology consultancy seeking a senior EFX java developer to work for our client within the Financial Services sector. This is initially a 12 month contract with the potential to extend and will be a hybrid role that will be based … strategic EFX pricing and auto-hedging capabilities for FICC E-Trading for 2026. In a typical day you can expect to develop Java code, review code written by your colleagues, attend Agile ceremonies, refine requirements with users (Quantitative Strategies Group and Traders) and liaise with sibling teams in EFX (market ...

Java Developers x 2 (Guildford)

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Java Developer (x2) - SC Cleared Guildford or Newcastle - 2/3 days per week onsite £525 per day (Inside IR35) Active SC Clearance Required Join a collaborative Agile Scrum team as a Java Developer, building innovative geospatial solutions using modern cloud technologies. You'll work across the full software development … collaborate closely with your team in Agile ceremonies to deliver impactful, high-quality software. What We're Looking For Strong experience with Java Experience in cloud services development Solid understanding of unit testing frameworks and practices DevSecOps awareness (e.g. Tekton, ArgoCD, SonarQube ) (desirable) Experience with Kubernetes or Red Hat OpenShift ...

Contract Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited
Location
Guildford, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 525 Daily
Java Developer - SC Cleared Guildford - Hybrid - 2-3 days per week 12-month Contract £525 per day InsideIR35 SC Clearance is essential for this role Hiring for a Java Software Engineer to join a collaborative Agile team building cutting-edge software solutions using modern cloud technologies. You will be involved ...

Web GIS Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £300 to £340 per day
Role/Job Title: Web GIS Developer Work Location: Wokingham Mode of Working: Onsite Duration of Assignment: 6 months Role Summary We are looking for a skilled Web GIS Developer to design, develop, and maintain ...

Java Developer - IAM - SC Cleared - Remote - Inside IR35

Hiring Organisation
Morson Edge
Location
South East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£530 - 550 per day
This is a fantastic opportunity to work as a contract Java Developer on a remote basis, inside IR35 for the public sector. Current SC Clearance that has been used in the last 12 months and recent Identity Access Management experience are essential. The key experience required for this Java Developer … position are: SC Cleared Identity Access Management Java Azure If you do have the relevant experience for remote contract Java Developer position, please do apply. ...