51 to 75 of 199 JUnit Jobs in the UK

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
domain is half the job. Our stack Core backend: Kotlin, Java 17+, Spring Boot & Co, JPA/Hibernate, SQL and NoSQL, Elasticsearch, Gradle, JUnit/AssertJ/MockK Metrics, analytics and AI: Python, FastAPI, Polars, LangChain Frontend: React (TanStack Query/React Router/react-hook-form + Zod), TypeScript ...

Backend Java Developer – Data Fabric / Platform Engineering

Location
City Of London, England, United Kingdom
planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker, Maven, Jenkins ⭐ Nice to Have ...

Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Location
Birmingham, England, United Kingdom
planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker, Maven, Jenkins ⭐ Nice to Have ...

Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Location
Greater London, England, United Kingdom
planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker, Maven, Jenkins ⭐ Nice to Have ...

Vice President, Full-Stack Engineer Opportunities

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, 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 ...

Software Engineer II - Low-Latency Java and Kafka

Location
Bournemouth, England, United Kingdom
Understanding of Java 17+ fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience with modern testing tools (JUnit, Mockito, Spring Test Framework) Experience using and designing schemas/data structures in resilient SQL and NoSQL databases (e.g. CockroachDB) Familiarity with maintaining and troubleshooting ...

Software Engineer II - Java

Hiring Organisation
JP Morgan Chase
Location
Bournemouth, Dorset, UK
Employment Type
Full-time
Understanding of Java 17+ fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience with modern testing tools (JUnit, Mockito, Spring Test Framework) Experience using and designing schemas/data structures in resilient SQL and NoSQL databases (e.g. CockroachDB) Familiarity with maintaining and troubleshooting ...

Integration Developer

Location
United Kingdom
What we’re looking for: Must have skills/experience: Java 11+ (we are now mostly using Java 17) Java unit testing (we use JUnit 5) Teamwork Fast learner Advantageous skills/experience: HTML and JavaScript Spring Framework AWS Salesforce Apex, Visualforce, and Lightning Cloud Formation Docker/Kubernetes Agile ...

Test Automation Engineer - Security & Intelligence

Hiring Organisation
Hackajob Ltd
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
designing and executing functional, integration, regression, system and acceptance testing, including defect investigation Hands-on experience with test automation tools (e.g. Selenium, Cypress, Playwright, JUnit, pytest, Cucumber or similar), including API and UI testing Experience building and maintaining automated test frameworks, reusable test assets and managing test data Familiarity with ...

QA Engineer

Location
Greater London, England, United Kingdom
years of experience in QA Automation Engineering. Strong Java and/or Kotlin programming skills. Experience with Selenium, Selenide or Playwright. Knowledge of TestNG, JUnit and automation frameworks. SQL and database testing experience. Experience with CI/CD pipelines and GitHub Actions. Previous experience within Agile teams. What Will Make ...

Java Full stack Engineer

Hiring Organisation
Mphasis
Location
Glasgow, UK
deploying and managing applications on Kubernetes. Front-End Technologies: Working knowledge of Angular and React UI frameworks (2+ years). Testing: Deep expertise in JUnit and integration testing (5+ years). SQL: Ability to write efficient and optimized SQL queries (3+ years). Agile Methodologies: Solid understanding of Agile practices ...

QA Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
Automation Engineering. · Strong Java and/or Kotlin programming skills. · Experience with Selenium, Selenide or Playwright. · Strong API testing expertise. · Knowledge of TestNG, JUnit and automation frameworks. · SQL and database testing experience. · Experience with CI/CD pipelines and GitHub Actions. · Previous experience within Agile teams. What Will Make ...

Devops Engineer

Location
United Kingdom
Kubernetes, Docker, and Infrastructure as Code. Familiarity with monitoring, logging, alerting, and SRE concepts (Prometheus, Grafana, ELK, etc.). Experience with test automation tools (JUnit, Cucumber, Selenium, Postman). Knowledge of messaging and streaming platforms (Kafka) and service mesh (Istio). Understanding of network protocols, security best practices, and compliance ...

Contract Lead Java Developer

Location
Birmingham, England, United Kingdom
Agile Scrum environment Utilising TDD and working on Java projects built with Spring MVC/Boot, Thymeleaf, RESTful, MongoDB, MySQL, Junit and others Produce well documented, clean code Provide recommendations on development approaches to address critical business requirements Requirements You'll be coding on a daily basis, naturally Demonstrable Java ...

Software Engineer, Integration

Location
Wakefield, England, United Kingdom
design skills Extensive experience with SQL and Relational Databases such as SQL Server Expertise in testing scalable systems using tools/frameworks such as JUnit/NUnit, Jasmine/Selenium, and JMeter Strong evaluation skills of components or systems to determineintegrationrequirements Experience in object-relational mapping technologies such as Entity ...

Senior Software Engineer (Java)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
environments (AWS, EC2, EKS, Kubernetes) Experience with memory architectures and network performance in low latency platforms Experience with Maven or Gradle (Maven preferred), and JUnit Experience in Git or other source control systems Experience in CI/CD concepts Strong communication skills with the ability to collaborate effectively across globally ...

Software Engineer II - Low-Latency Java and Kafka

Location
Bournemouth, England, United Kingdom
Understanding of Java 17+ fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience with modern testing tools (JUnit, Mockito, Spring Test Framework) Experience using and designing schemas/data structures in resilient SQL and NoSQL databases (e.g. CockroachDB ) Familiarity with maintaining and troubleshooting ...

Lead Engineer, Trading Product Engineering

Location
Greater London, England, United Kingdom
latency trading systems from the ground up.* Strong command of data structures, algorithms, and TDD/BDD practices, including thorough unit test coverage with JUnit and Mockito.* Hands-on experience with Spring or Micronaut, Docker, and Kubernetes.* Working knowledge of messaging technologies such as Kafka, RabbitMQ, or Solace.* Solid understanding ...

Software Engineer III - Low-Latency Java and Kafka

Location
Bournemouth, England, United Kingdom
running in a Linux environment, familiarity with the Linux operating system, system utilities, containers and cloud architectures and services. Experience with modern testing tools (JUnit, Mockito, Spring Test Framework). Strong interpersonal and communication skills, with experience working with globally distributed engineers and stakeholders. Understanding of the full software development ...

Lead Software Development Engineer - Shared Platforms

Location
Nottingham, England, United Kingdom
Spring Boot. Proficiency in cloud-based projects, particularly with AWS and software engineering Experience with CI/CD tools like Jenkins and unit testing (JUnit, Mockito) Familiarity with OpenTelemetry, datalakes and Observability products (metrics, traces, logs, Go) You’re able to effectively communicate and work together across engineering to maximise ...

Java Engineer

Hiring Organisation
Sanderson Government and Defence
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
Up to £620 per day + Inside IR35
will focus on the modernisation and enhancement of legacy services, contributing to the delivery of scalable and reliable applications. Required Skills Java Spring Boot JUnit Desirable Skills JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting Reasonable Adjustments: Respect and equality are core values to us. ...

Security Engineer IAM

Location
City Of London, England, United Kingdom
infrastructure as code (IaC) tools: Terraform and CloudFormation Proficiency in Python, Go or Java Proficiency in unit testing frameworks such as Behave, pytest or Junit Proficiency in developing and securing SOAP and REST based web service APIs Experience in DevOps and agile methodologies and automated solution delivery and testing through ...

Senior Software Engineer (Java)

Location
City Of London, England, United Kingdom
environments (AWS, EC2, EKS, Kubernetes) Experience with memory architectures and network performance in low latency platforms Experience with Maven or Gradle (Maven preferred), and JUnit Experience in Git or other source control systems Experience in CI/CD concepts Strong communication skills with the ability to collaborate effectively across globally ...

Lead Software Development Engineer - Shared Platforms

Location
Nottingham, England, United Kingdom
based projects, particularly with AWS, and in software engineering best practices. Experience with CI/CD tools such as Jenkins and unit testing frameworks (JUnit, Mockito). Familiarity with OpenTelemetry, data lakes and observability products (metrics, traces, logs, Go). Effective communication across engineering teams to maximize inner‐sourcing opportunities ...

Software Test Engineer - Unit Test

Hiring Organisation
Gold Group
Location
Rugeley, Staffordshire, United Kingdom
Employment Type
Contract
quality procedures. Essential Skills & Experience Unit testing and test-driven development (TDD). Testing frameworks such as Google Test, Catch2, CppUnit, NUnit, xUnit, MSTest, JUnit or pytest. Reading, writing and debugging code in C++, C#, Java or Python. Mocking and test-double frameworks such as Google Mock, Moq, Mockito ...