24 of 24 Permanent JUnit Jobs in London

Senior Software Engineer

Hiring Organisation
XCEEDANCE LIMITED
Location
London, UK
Employment Type
Full-time
discussions, contribute to low-level design documents and sequence diagrams. Conduct code reviews; flag and reduce technical debt proactively. Write unit and integration tests (JUnit 5, Mockito, Testcontainers) to maintain high coverage. Collaborate with QA, DevOps, and Product teams in an Agile (Scrum/Kanban) environment. Integrate LLM-based capabilities ...

SC Cleared Java Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
other relational SQL databases. Hands-on experience with Docker and containerised application deployment. Experience applying Test-Driven Development (TDD) using frameworks such as JUnit, Mockito, or similar. Experience working with CI/CD pipelines using Jenkins or equivalent tooling. Comfortable working within Agile teams and collaborating across engineering disciplines. Nice ...

Intermediate Java Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
tasks and responsibilities within the project. You will use programming languages such as Java and associated frameworks (e.g., Spring/Spring Boot, JUnit, Hibernate, etc.) to develop software that aligns with client requirements. You will follow best engineering practices and help ensure they are applied throughout the team. Additionally ...

Multiple Java Developers - Contract

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£800.00 - £850.00 per day
looking for Strong commercial Java development experience Spring Boot and Microservices REST API development SQL and database design Oracle experience Unix or Linux JUnit and automated testing Git version control Kafka or RabbitMQ (desirable) AWS, Azure or GCP exposure (desirable) CI/CD and DevOps practices Excellent communication skills Experience ...

Full Stack/Front end Developer (Java/React) (SC & NPPV3)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Java & SpringJavaScript/TypeScript & ReactMicro Front EndsSNS, SQS, S3, Aurora/PostgreSQL, and OpenSearch Postgres (or other relational SQL database) Docker Test-driven development (Junit & Mockito or other similar testing libraries) CI/CD (Jenkins or similar pipeline tooling) Comfortable working in agile teams and collaborating with colleagues from other ...

Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
bring: Essential Criteria Solid commercial experience with Java. Relational databases (e.g., PostgreSQL, Oracle). Spring Boot and Hibernate. Microservices and RESTful API development. Testing: JUnit, Cucumber, Wiremock, Mockito; TDD and BDD. OO analysis and design; clean coding and SOLID principles. Agile frameworks and DevOps culture/practices. XML/JSON ...

Solutions Architect

Hiring Organisation
XCEEDANCE LIMITED
Location
London, UK
Employment Type
Full-time
source control tools like Git , GitHub, BitBucket, Subversion. Experience with DevOps tools (e.g. Teamcity, Jenkins) and strategies. Experience with Unit Testing tools such as Junit 5. Experience in using coding assistant tools, Gen AI and agentic AI skills Experience with OpenAPI Specification (OAS). Exposure to authentication frameworks like OIDC ...

Full Stack Java Developer

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£475.00 - £500.00 per day
experience Spring Boot and REST API development Object Oriented Design and Design Patterns SQL and relational database experience Angular, TypeScript, HTML and CSS (desirable) JUnit, BDD or automated testing frameworks Linux or Unix experience Agile software development experience Hands on use of GitHub Copilot, Claude or similar AI development tools ...

Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
technologies such as HTML, CSS, and JavaScript. Desirable Skills Awareness of clean coding and SOLID principles. Exposure to AWS cloud services. Experience with JUnit or other testing tools. Basic knowledge of XML/JSON data formats and Unix shell scripting. Familiarity with version control and build tools like Git, Maven ...

Java Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
deadlines, unexpected changes, and simultaneous multiple projects with internal and external stakeholders. Mandatory Certifications: Oracle Certified Professional: Java SE 11 Developer DevLabs Alliance Certified: JUnit Expert Submit your resume at Prasanna . merugu @ randstaddigital . com Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. ...

Senior Vice President, Full-Stack Engineer Opportunities

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
preferably Spring) and architectural patterns for scalable, observable, and testable systems. Proficiency in modern engineering practices including CI/CD (e.g., GitLab), automated testing (JUnit/Spock), code reviews, quality focused test-driven development, and DevOps culture. Hands-on experience with containers (Docker) and private cloud infrastructure, alongside familiarity with ...

Senior Kotlin JVM Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
SASS Other We build our Kotlin projects using Gradle and GitHub Actions, deploying to production as soon as we finish a feature We use JUnit Jupiter, Kotest and TestContainers for automated testing What we're looking for technically Strong commercial Kotlin or JVM based engineering experience (willingness to work with ...

DevOps Engineer

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£300.00 - £350.00 per day
Proven experience and understanding of modern engineering practices DevOps Tools (CI/CD tools like Jenkins, Sonar, Nexus, GIT, Docker Containers) Test Automation Tools Junit, Cucumber, Selenium, Postman Passion for collaborating with other engineers and building a strong team culture Proven experience innovating in automation to improve resilience, release frequency ...

Senior Kotlin Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
SASS Other We build our Kotlin projects using Gradle and GitHub Actions, deploying to production as soon as we finish a feature We use JUnit Jupiter, Kotest and TestContainers for automated testing What technical skills you'll need to have Strong commercial Kotlin experience An ability to write simple, clean ...

Senior AI Quality Engineer

Hiring Organisation
Lendable
Location
London, UK
Employment Type
Full-time
services (retail or institutional) or other regulated environmentsOur tech stackFrontend: TypeScript, React, React NativeBackend: PHP (Symfony), Kotlin, AWS, Postgres, RabbitMQ, Docker, KubernetesTesting: PHPUnit, Behat, JUnit, Kotest, Jest, Maestro, K6Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, GrafanaWhy join? See your work matter: Our products are used by millions ...

Programme Test Lead

Hiring Organisation
Arch Capital Group
Location
London, UK
Employment Type
Full-time
equivalent certification. Knowledge of CI/CD pipelines and DevOps practices. Experience in performance and security testing. Familiarity with automation tools - e.g., Selenium, JUnit, TestNG – beneficial but not essentialDo you like solving complex business problems, working with talented colleagues and have an innovative mindset? Arch may be a great ...

Senior Associate, Full-Stack Engineer Opportunities

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
IDEs (e.g., Windsurf). Solid understanding of programming concepts and microservices Proficiency in Java with Spring. Experience with CI/CD, automated testing (JUnit/Spock), and containers (Docker). Familiarity with microservices, observability/telemetry (e.g., Splunk, AppDynamics), and cloud deployments. Curiosity to understand the business domain and translate ...

Lead Android Engineer

Hiring Organisation
Capital One UK
Location
Islington, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Android app and backend orchestration services Android Toolset , including Android Studio, to leverage the Android platform on a large enterprise scale Testing Frameworks , using JUnit, Espresso, and advocating for approaches like Pair Programming, TDD, and BDD AWS , utilizing cloud opportunities to maximize inner-sourcing and continuous improvement And meet most ...

Java Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£41000 - £45000/annum
administration and support activities for J2EE applications and JBoss environments. Develop and maintain infrastructure automation scripts using Ansible. Create and execute unit tests using JUnit to ensure application quality. Track and manage development activities, defects, and user stories using JIRA. Troubleshoot, diagnose, and resolve application and environment issues. Contribute … . Knowledge of Web Services (SOAP and/or REST). Experience with JMS and Message-Driven Beans (MDBs) . Hands-on experience with JUnit and unit testing practices. Experience using Git for source control. Familiarity with Jenkins for build and deployment automation. Experience with Ansible for configuration management ...

Principal Java Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing, TDD or BDD Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work … least the next 5 years. Profile 29 recruitment keywords: Java Spring Boot Microservices Kubernetes Docker AWS EKS Lambda S3 RDS EventBridge CI/CD Junit Mockito integration testing TDD BDD React Camunda BPMN Next.js Terraform lead senior manage manager director remote London hybrid developer engineer ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing, TDD or BDD Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work … least the next 5 years. Profile 29 recruitment keywords: Java Spring Boot Microservices Kubernetes Docker AWS EKS Lambda S3 RDS EventBridge CI/CD Junit Mockito integration testing TDD BDD React Camunda BPMN Next.js Terraform lead senior manage manager director remote London hybrid developer engineer ...

Vice President, Full-Stack Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design. Strong DevOps practices: CI/CD (e.g., GitLab), automated testing (JUnit/Spock), code reviews, telemetry/observability (Splunk, AppDynamics), containers (Docker), and cloud. Hands-on AI development using modern tools and IDEs (e.g., Windsurf … deploy, monitor, iterate); growth mindset with continuous learning and knowledge sharing. Code: Java 17/21 (Spring, Maven), Groovy, JavaScript/TypeScript (Angular) Testing: JUnit, Spock Architecture: Microservices Deployment: Private Cloud (VMs/containers) Tooling: GitLab (git and CI/CD), IntelliJ, Windsurf, Docker, Splunk, AppDynamics At BNY, our culture ...

Senior Associate, Full-Stack Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
IDEs (e.g., Windsurf). Solid understanding of programming concepts and microservices Proficiency in Java with Spring. Experience with CI/CD, automated testing (JUnit/Spock), and containers (Docker). Familiarity with microservices, observability/telemetry (e.g., Splunk, AppDynamics), and cloud deployments. Curiosity to understand the business domain and translate … deploy, monitor, iterate); growth mindset with continuous learning and knowledge sharing. Code: Java 17/21 (Spring, Maven), Groovy, JavaScript/TypeScript (Angular) Testing: JUnit, Spock Deployment: Private Cloud (VMs/containers) Tooling: GitLab (git and CI/CD), IntelliJ, Windsurf, Docker, Splunk, AppDynamics At BNY, our culture speaks ...

Senior Java Developer

Hiring Organisation
Synnovate
Location
London, United Kingdom
Employment Type
Permanent
Salary
£115000 - £125000/annum Hybrid Working
requirements Write clean, well-tested code following SOLID principles, Design Patterns and Clean Code practices Apply TDD and BDD methodologies; maintain test coverage using JUnit, Spock and Mockito Participate in code reviews and contribute to continual improvement of engineering standards Manage and mentor a team of Java (and other) developers … high-quality software practices: TDD, Agile, automated builds/deployments Strong knowledge of CI build and deployment management tools Experience with test frameworks (JUnit/Spock) and mocking libraries (e.g. Mockito) Proficiency with Git and Maven Senior Java Developer ...