Jonathan Twite

Available to hire

Hi, I'm Jonathan Twite, an experienced Java developer with over 5 years in backend engineering and QA automation. I specialize in Spring Boot, RESTful APIs, and testing frameworks like JUnit and Selenium.

About

Hi, I’m Jonathan Twite, an experienced Java developer with over 5 years in backend engineering and QA automation. I specialize in Spring Boot, RESTful APIs, and testing frameworks like JUnit and Selenium. I’m passionate about writing secure, maintainable, and well-tested code and enjoy working with international teams remotely.

I thrive in Agile environments and have experience delivering solutions for both government and private sectors. I’m currently open to remote freelance missions and look forward to contributing to exciting projects with my skills and dedication.

  • 4 years' experience
  • Joined June 2025

Languages

  • FrenchFluent
  • EnglishAdvanced
  • DutchIntermediate

Industry experience

  • Government
  • Software & Internet
  • Financial Services
  • Professional Services

More experts in Brussels, Belgium

Work experience

Java Backend Developer · FPS Economy (via Randstad Digital)Jan 2023 – Jun 2024 · 1 yr 6 mos

Developed backend services using Java 17 and Spring Boot for a restricted-access legal platform used by government officials and legal professionals. Designed and exposed RESTful APIs, integrated third-party ServiceNow API, managed data persistence with JPA/Hibernate, wrote unit and integration tests with JUnit and Mockito. Participated in frontend development with Angular 15, performed code reviews, and worked autonomously within an Agile/Scrum team handling development to deployment with GitLab CI/CD, Maven, and Docker.

Java Development Engineer in Test · Vadis TechnologiesApr 2021 – Dec 2023 · 2 yrs 9 mos

Designed backend test modules and automation in Java 17 using Selenium and Cucumber. Built Postman test suites for API endpoints, maintained test data flows with SQL Server and XML. Contributed to CI/CD pipelines using Docker and GitLab, supported backlog tasks with BAs and developers, and ensured code quality and business logic validation within regulated environments.

Junior QA Engineer · Sitecore BelgiumJan 2020 – Apr 2021 · 1 yr 4 mos

Conducted manual testing of CMS components and admin interfaces, collaborated with developers on defect management, automated test scripts using Playwright and Python, built Postman test collections, and contributed to regression testing in Agile QA teams.

Education

Secondary School Diploma · Saint-Vincent de Paul2007 – 2017
Bachelor's Degree · Université Catholique de Louvain2017 – 2021
B.Sc. · Université Catholique de Louvain2017 – 2021

Hire Jonathan Twite today

Post a job and invite Jonathan, or contact them directly. No hidden commission.

Post a job