18 of 18 Contract Spring Boot Jobs in London

Automation Test Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
ideal for someone who is comfortable working autonomously, designing and maintaining automation frameworks, and collaborating closely with developers working on React front ends and Spring Boot APIs. You will play a key role in ensuring the reliability and quality of their applications across the full stack. Key Responsibilities … Design, build, and maintain automated test frameworks from scratch Create and execute automated tests for React-based front-end applications & Spring Boot REST APIs Develop and maintain test suites for regression, integration, and end-to-end testing Identify, document, and track defects through to resolution Continuously improve test ...

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 ...

Senior Java Microservices AWS developer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
applications using Java and AWS Serverless architecture Model. Your responsibilities: (Up to 10, Avoid repetition) 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 as EC2, S3, Lambda, RDS, and API Gateway for cloud-native deployments. Build and optimize multithreaded and concurrent applications, ensuring thread safety and performance. Implement CI/CD pipelines using Jenkins, GitHub Actions, or AWS CodePipeline ...

Back End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570/day
Hands-on experience with Kafka in production environments Experience building and consuming RESTful APIs Solid understanding of backend engineering principles Nice-to-Have Skills Spring ecosystem (Spring Framework, Spring Boot, Spring Data) Postgres or other relational databases OpenSearch/Elasticsearch Node.js Wiremock or other ...

FX e Trading Senior Full Stack Engineer (React TypeScript + Java)

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £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 … looking for 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 ...

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 … 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 ...

Senior Full Stack Engineer – FX e-trading – Java / React

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £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 … looking for 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 ...

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 ...

Automation Tester

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
within the release process About You Extensive experience in Automation testing and keenly interested in gaining experience in Automated testing using common frameworks including Spring boot, Phyton and Selenium Possess strong programming language expertise in Java and Spring boot Familiar with agile software development especially SCRUM ...

Back End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£550.00 - £575.00 per day
APIs and data-driven solutions. Key Responsibilities Design, build, and maintain high-quality backend services and APIs Develop scalable, resilient microservices using Java and Spring Work with event-driven architectures using Kafka Build and consume RESTful APIs Write clean, testable code and support automated testing (including API mocking) Collaborate … cross-functional teams to deliver secure, performant solutions Support troubleshooting, bug fixing, and performance optimisation Must-Have Skills & Experience Strong commercial experience with Java Spring Framework , including Spring Boot and Spring Data Experience with Kafka and event-driven systems PostgreSQL database experience OpenSearch/Elasticsearch Node.js ...

Senior Platform Software Engineer

Hiring Organisation
Caresoft Global Ltd
Location
Stratford, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£73.18 per hour
coding standards. Qualifications and Skills Essential: Java Ecosystem: Extensive software development experience in JVM languages (Java, Kotlin) across multiple projects, with deep knowledge of Spring and Spring Boot Frameworks. Cloud & Infrastructure: Experience with Google Cloud Platform (GCP) products (e.g., Cloud Run, PubSub, Secret Manager). Observability: Experience ...

Mobile App Experience Layer Engineer

Hiring Organisation
ARM
Location
Stratford, London, United Kingdom
Employment Type
Contract
Contract Rate
£508 - £548/day Inside IR35
Ensure UX alignment with platform conventions Community - Share best practices - Define coding standards - Identify cross-product opportunities Essential Skills & Experience - Java/Kotlin with Spring and Spring Boot - Google Cloud Platform (Cloud Run, Pub/Sub, Secret Manager) - Observability tools (Grafana, Splunk) - REST API design - TDD, pair ...

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 ...

Senior Java Engineer - Azure - Finance Domain - London

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
€500 - €700 per day
core Java programming skills Experience of developing services/micro-services in Java Experience of developing containerised services using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 620 Daily
background in distributed, cloud native, and data intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
background in distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers ...

Principal Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £640.0 per day + up to £640 pd (Inside IR35)
depth knowledge of a fourth-generation programming language (4GL) Strong skills in object-oriented analysis and design (OOAD) Proven experience with C#, Java (Spring Boot, JPA/Hibernate), REST APIs, observability, monitoring, queue technologies, security, and relational databases (especially Postgres). Strong understanding of SOLID principles, microservice development ...

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 ...