Full-Time

Senior Full-Stack Developer

Frontend-Oriented

Posted on 8/21/2026

5Blue Software

5Blue Software

No salary listed

Remote in Germany

Remote

Bachelor's

Category
Software Engineering (1)
Required Skills
Kubernetes
UI/UX Design
React.js
Node.js
Java
RDBMS
Docker
Microservices
C#
AWS
REST APIs
Web Development
C/C++
DevOps
Requirements
  • At least 5 years of frontend development experience with React, plus solid backend experience in Node.js; experience with C#, Java, or C++ is also relevant.
  • Strong command of modern frontend fundamentals, including component architecture, state management, performance, and responsive user interfaces.
  • Experience building and integrating Representational State Transfer (REST) application programming interfaces (APIs).
  • Working knowledge of relational and non-relational databases.
  • Familiarity with Amazon Web Services (AWS) or a similar cloud provider and understanding of microservices architecture.
  • Ability to own a feature or technical project end to end and drive it independently.
  • Strong software design fundamentals and a self-driven approach to problem-solving.
  • Upper-Intermediate English level or above, with strong verbal and written communication.
  • Knowledge of containerization tools such as Docker and Kubernetes.
Responsibilities
  • Build intuitive, performant frontends in React and shape the platform's user interface and user experience (UI/UX) architecture.
  • Implement backend logic and integrate with third-party APIs as part of full-stack feature delivery.
  • Participate in architectural decisions, research, and design for scalable, maintainable software.
  • Work directly with Product and stakeholders to shape requirements and break them into well-scoped tasks.
  • Mentor teammates, promote knowledge sharing, and uphold coding standards.
  • Continuously improve user interface performance, scalability, and maintainability while keeping up with industry trends.
Desired Qualifications
  • Experience developing high-scale software-as-a-service (SaaS) products with polished, complex user interfaces.
  • An eye for user experience (UX) and close collaboration with Product and Design.
  • Understanding of continuous integration and continuous delivery (CI/CD) and quality assurance (QA) automation processes.
  • Maturity with artificial-intelligence-assisted development, including the ability to review and understand generated code rather than relying on it blindly.
  • Academic background in Computer Science, Software Engineering, or a related field.

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Company Stage

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Total Funding

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Headquarters

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Founded

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