Backend Developer (Java, Mobile, Microservices, FCM, REST API, etc.) (m/f/d)

Frankfurt am Main 01.08.2026

What is Backend Developer (Java, Mobile, Microservices, FCM, REST API, etc.) (m/f/d)?

Backend Developer (Java, Mobile, Microservices, FCM, REST API, etc.) (m/f/d) is an exciting career opportunity based in Frankfurt am Main. This role offers competitive compensation and the opportunity to work in the technology sector with modern tools and methodologies.

Employment Type: Remote possible: true

Work Arrangement: Remote work available with flexible scheduling

Industry: Information Technology & Professional Services

Complete Job Description

Only employees subject to social security contributions may be considered for this project. Framework: Minimum 90% remote work, full workload. Project duration: August 1, 2026 - December 31, 2026 (option to extend). Your responsibilities: Delivering services in accordance with the agreed standards, architecture and security guidelines, and programming standards of the client. Ensuring the quality of the developed software code. Programming, implementing, and customizing technical components in applications...

What skills are required for this backend developer (java, mobile, microservices, fcm, rest api, etc.) (m/f/d)?

The essential skills and qualifications for this position include:

Essential Requirements: Vulnerability Management: Experience in resolving security vulnerabilities in application code using Defect Dojo. – at least 1 year of experience. Software Development: Experience in backend development for mobile applications (references no older than 7 years). – Number of references: 2. Software Development: Experience in developing with FCM (Google Firebase Cloud Messaging) for push notification solutions for mobile apps. – at least 3 years of experience. Software Development: Experience in developing microservices based on Java Spring Boot. – at least 3 years of experience. Software Development: Experience in developing REST API interfaces. – at least 3 years of experience. Desired Requirements: CI/CD: Experience with Continuous Integration/Continuous Delivery using GitLab. – at least 3 years of experience. Agile Methodologies: Experience in an agile project environment, e.g., with Scrum or SaFe. – at least 3 years of experience. Performance Optimization: Experience in reverse engineering for analyzing and optimizing existing software applications. – Number of references: 2 Software development: Experience in AI-supported software development, e.g., GitHub Copilot, Kiro, or Claude – at least 1 year of experience

Additional preferred qualifications may include problem-solving abilities, strong communication skills, and experience working in collaborative team environments.

What type of employment is this backend developer (java, mobile, microservices, fcm, rest api, etc.) (m/f/d)?

This is a Remote possible: true position offering:

  • Competitive compensation in EUR currency
  • Remote work flexibility
  • Professional development opportunities
  • Modern technology stack and tools

How can I apply for this backend developer (java, mobile, microservices, fcm, rest api, etc.) (m/f/d)?

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