20 of 20 Contract Spring Boot Jobs in London

Senior Back-End Developer – Java

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
with cross-functional team, including product owner, business analysts, scrum masters, front-end and back-end developers • Design, develop and implement microservices using Java Spring Boot, ensuring code is modular, testable and re-usable • Design, develop and implement responsive and intuitive user interfaces using Angular and TypeScript/… with the project’s overall vision. Qualifications: • Strong expertise in Core/Advanced Java and J2EE • Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, Spring Data, or similar frameworks • Knowledge of JIRA, Junit, and Apache Kafka are preferred • In-depth knowledge ...

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 ...

Lead Java Developer

Hiring Organisation
Response Informatics
Location
Croydon, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day
Support live systems and diagnose incidents. Collaborate with the team to ensure high-quality Java code. Essential Skills and Experience: Proficiency in Java 17+, Spring Boot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messagingservice … components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum) Public sector experience. 8-10 years of hands-on experience with large-scale Spring-based Java projects. Experience supporting live systems and diagnosing incidents. Experience in large-scale integration projects involving microservices, messaging, web services, and distributed systems. Experience with ...

Senior Java Engineer (Smart Contract)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
paced atmosphere and enjoy collaborating with cross-functional teams, this opportunity is for you! What We're Looking For: Strong expertise in Java and Spring/Spring boot. Hands on Smart Contract (Solidity) experience in essential Experienced in financial services , Ideally Commercial Lons. Experience in developing and deploying … microservices architectures using Spring Boot, Spring Batch, and Spring Data In-depth knowledge of REST API principles and HTTP protocols. Proficiency in Git, CI/CD, and Agile methodologies. Familiarity with JIRA, JUnit, and Apache Kafka is preferred. Experience with NoSQL databases such as CosmosDB ...

Senior Java Microservices AWS developer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
develop scalable, cloud-native web applications using Java and AWS Serverless architecture Model. 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 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 ...

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 ...

Senior Platform Software Engineer - Mobile Apps

Hiring Organisation
ARM
Location
Stratford, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day
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 ...

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 ...

Mobile Apps Developer

Hiring Organisation
Harvey Nash IT Recruitment UK
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
automotive applications tech. Experience within Automotive industry Technical essentials Software development experience in JVM languages (Java, Kotlin) across multiple projects, with deep knowledge of Spring and Spring Boot Frameworks. Experience with Google Cloud Platform (GCP) products (eg, Cloud Run, PubSub, Secret Manager). Experience implementing and utilizing ...

Mobile Apps Developer

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
automotive applications tech. Experience within Automotive industry Technical essentials Software development experience in JVM languages (Java, Kotlin) across multiple projects, with deep knowledge of Spring and Spring Boot Frameworks. Experience with Google Cloud Platform (GCP) products (e.g., Cloud Run, PubSub, Secret Manager). Experience implementing and utilizing ...

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 ...

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 ...