Junior/Mid-Level Full Stack Developer

Jobtailor; Deutschland; Vor Ort; EUR 55.000 - 85.000; Vollzeit

Zusammenfassung

Jobtailor in Germany is seeking a software engineer to build and maintain features using Java or Kotlin, Spring Boot and modern web technologies, including RESTful APIs that support internal systems and integrations. You will contribute to front-end work when needed with HTML, CSS, JavaScript, TypeScript, React, Angular or AngularJS.

We value a test-first mindset, collaboration in an agile team, and ongoing learning to take on more technical ownership over time.

Qualifikationen

• Around 2 to 5 years of software development experience.
• Hands-on experience with Java or Kotlin and object-oriented programming, with exposure to Spring Boot or similar backend frameworks, alongside working knowledge of relational and NoSQL databases.

Aufgaben

• Build and maintain software features using Java or Kotlin, Spring Boot and modern web technologies, including RESTful APIs that support internal systems and integrations.

Kenntnisse

Java

Kotlin

Spring Boot

RESTful APIs

HTML

CSS

JavaScript

TypeScript

React

Angular

Tools

Git

CI/CD pipelines

build tools

relational databases

NoSQL databases

automated testing

unit testing

integration testing

functional testing

code reviews

Jobbeschreibung

Overview

• Build and maintain software features using Java or Kotlin, Spring Boot and modern web technologies, including RESTful APIs that support internal systems and integrations.
• Contribute to front‑end development where needed, working with technologies such as HTML, CSS, JavaScript, TypeScript, React, Angular or AngularJS.
• Write clean, readable and maintainable code, working with relational and NoSQL databases to query, structure and manage data effectively.
• Support quality through unit, integration and functional testing, code reviews and defect resolution, with support from the team where needed.
• Use Git, build tools and CI/CD pipelines as part of everyday development, working closely with product, QA, design, DevOps and other engineers to deliver working software.
• Develop and apply good engineering practice across security, performance, accessibility and maintainability.

Requirements

• Around 2 to 5 years of software development experience, preferably in a commercial development environment, although capability and potential matter more than exact years.
• Hands‑on experience with Java or Kotlin and object‑oriented programming, with exposure to Spring Boot or similar backend frameworks, alongside working knowledge of relational and NoSQL databases.
• Familiarity with Git, collaborative development workflows, CI/CD pipelines and automated delivery.
• A test‑first attitude, with a willingness to write and maintain automated tests as part of normal development.
• Ability to work well in an agile team, communicate clearly and take a practical, reliable approach to delivery.
• Genuine enthusiasm for technology, with a willingness to learn, improve and take on more technical ownership over time.

ATS Optimization Keywords

Hard Skills

• Java
• Kotlin
• Spring Boot
• RESTful APIs
• HTML
• CSS
• JavaScript
• TypeScript
• React
• Angular

Soft Skills

• communication
• collaboration
• agile teamwork
• problem‑solving
• reliability
• enthusiasm for technology
• willingness to learn
• practical approach
• ownership
• attention to detail

Industry Keywords

• software development
• commercial development environment
• object‑oriented programming
• engineering practice
• security
• performance
• accessibility
• maintainability
• defect resolution
• collaborative development workflows

Tools & Technologies

• Git
• CI/CD pipelines
• build tools
• relational databases
• NoSQL databases
• automated testing
• unit testing
• integration testing
• functional testing
• code reviews