16 of 16 Contract Spring Jobs in London

Front End Developer - Active SC

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + Up to £550 per day - Inside IR35
with CI/CD pipelines and modern DevOps practices (e.g., Jenkins or similar tooling). Familiarity with Swagger/OpenAPI, Gradle, Liquibase, Kafka, Java (Spring Boot). Comfortable working in Agile environments and collaborating across multidisciplinary teams. Excellent communication skills. Nice to have: Active NPPV3 Clearance. Immediate availability. Hays ...

Release Manager - Active SC, AWS

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day - Inside IR35
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, resolving issues ...

Core Java Engineer - Low-Latency Financial Trading!

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£90,000
commercial projects involving multithreading, concurrency, or low-latency programming. A strong desire to develop in a low-level Java environment (no frameworks like Spring) in public cloud environments (AWS/GCP)! Familiarity with CI/CD environments and practices such as pair programming or TDD. Keen to expand your ...

Software Engineer Java/Full Stack Contract-to-Perm London

Hiring Organisation
LMA Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
solve complex problems and contribute to the firm's growth. Key Accountabilities: Full Stack Development: Design and develop scalable backend services using Java (Spring Boot) and modern frontend components (Angular/React). Cloud & DevOps: Deploy and maintain secure, performant code within AWS , implementing CI/CD pipelines with … design. Engineering Excellence: Promote code quality, security best practices, and knowledge sharing within internal tech communities. Technical Requirements Backend: Strong proficiency in Java 17+ , Spring Boot, REST APIs, and Microservices. Frontend: Experience with Angular (with an interest in React/TypeScript for future workstreams). Data: Solid SQL skills ...

Java Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. You'll contribute to CI/CD pipelines, ensure non-functional requirements are met and collaborate with colleagues … across engineering, analysis and design. Essential experience Java and Spring Boot Building and maintaining microservice based systems Postgres or other relational SQL databases Test-driven development (JUnit, Mockito or similar) Docker and containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such …/experience: Minimum 10 years of experience Java application development Strong hands-on expertise in Java 11+ (preferably Java 17 or latest) Proficiency in Spring Boot, Microservices architecture, and Core Spring Experience with Java Server-Side Concurrent Programming, Multithreading, and Design Patterns Deep understanding of AWS Cloud services ...

Solutions Architect

Hiring Organisation
FBI &TMT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day
+ in a relevant role. Essential Skills and Experience Demonstrable experience working as a Solutions Architect using a range of technologies (e.g. Java/Spring, Salesforce, JavaScript/TypeScript, microservices, containers, databases, cloud technologies) Experience in complex modernisation initiatives Ability to evaluate new technologies and understand their impact ...

Backend Software Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + up to £550pd (inside IR35)
client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-scale, business-critical microservices programme. Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active … Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident containerising and deploying applications Test-Driven Development (JUnit & Mockito or similar testing frameworks) CI/CD: Hands ...

Backend Software Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-scale, business-critical microservices programme click apply for full job details ...

Senior Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
delivery framework while maintaining a clear focus on product impact and customer outcomes. Core Technical Skills Skills Java and/or Kotlin Micronaut or Spring Boot Experience building and supporting distributed systems React/Next.js AWS and/or Azure experience Experience Identity & Access Management standards (OAuth 2.0, OIDC ...

Backend Engineer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Role: Backend Engineer (ATA) Location: United Kingdom (Remote work) Skills: Java, AWS, Spring Boot, REST APIs,MySQL Job Summary: We are looking for a Backend Engineer to join the Core Portal team and build scalable backend services for an enterprise discovery application click apply for full job details ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real-time streaming. Build performant and accessible UIs with modular, reusable components; drive state … implementation plans. Essential: Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar), multithreading/concurrency, performance tuning. Experience designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
/Experience Option 1: Java-Based Skills Java skill set. Strong foundation in Java, including OOP and functional programming (Java 8+). Familiarity with Spring Boot annotations, configuration, and how it simplifies Spring application setup and deployment. RESTful API development experience. Option 2: Integration & Middleware Skills Hands ...

Java Developer - Financial Services

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
brand-new business-critical project. What you'll need to succeed : 5+ years' Java Development experience in financial services. Extensive experience with SpringBoot, Spring MVC, and Spring Security. Strong experience in distributed programming. Extensive microservices development experience with RESTful services. Strong cloud experience. What ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 Daily
Your responsibilities: Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns click apply for full job details ...

Backend Engineer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Role: Backend Engineer (ATA) Location: United Kingdom (Remote work) Skills: Java, AWS, Spring Boot, REST APIs,MySQL Job Summary: We are looking for a Backend Engineer to join the Core Portal team and build scalable backend services for an enterprise discovery application. You will design and develop robust APIs … search and knowledge graph platforms, and ensure high performance, reliability, and security of backend systems. Key Responsibilities: Develop and maintain backend services using Java, Spring Boot, AWS Build and optimize REST and GraphQL APIs Ensure code quality through testing, refactoring, and best practices Own services end-to-end, including ...