Senior Fullstack Developer | Java Spring Microservices

Deploja-Ab; Solna kommun; On-site; SEK 700,000 - 900,000; Full time

Job summary

Deploja is seeking a consultant with strong Java 21+ and Spring Boot expertise to design and build distributed backend systems. You will work on REST APIs, event-driven architectures with Kafka, and contribute to test automation across multiple projects.

Ideal candidates have experience with JUnit, Cucumber, Playwright/Selenium, and CI/CD pipelines (Jenkins). Fluency in English and strong problem-solving are essential for success at Deploja.

Qualifications

• Strong Java 21+ and Spring Boot experience.
• Designing microservices and distributed backends.
• REST APIs, Kafka, event-driven architectures.
• SQL with MS SQL or relational databases.
• JUnit and Cucumber for tests; automated testing mindset.
• Automated and manual testing capabilities.
• API testing tools like REST Assured.
• UI test automation with Playwright or Selenium.
• Git and CI/CD (Jenkins) integration.
• OpenAPI and AsyncAPI understanding.
• Structured manual and exploratory testing when needed.
• Strong problem solving and English communication.

Skills

Java 21+

Spring Boot

Microservices

REST APIs

Kafka

SQL

JUnit

Cucumber

Test automation

Playwright

Selenium

Git

CI/CD

Jenkins

OpenAPI

AsyncAPI

Manual testing

Exploratory testing

English communication

Tools

REST Assured

Job description

Deploja is seeking a consultant with strong Java 21+ and Spring Boot expertise to design and build distributed backend systems. You will work on REST APIs, event-driven architectures with Kafka, and contribute to test automation across multiple projects.

Ideal candidates have experience with JUnit, Cucumber, Playwright/Selenium, and CI/CD pipelines (Jenkins). Fluency in English and strong problem-solving are essential for success at Deploja.