beyonnex.io

Senior Fullstack Developer

beyonnex.io

full-time

Posted on:

Location Type: Remote

Location: Germany

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Job Level

Senior

Tech Stack

AndroidAngularJavaJavaScriptKotlinMySQLPostgresReactSQLVue.js

About the role

  • Responsible for further developing beyonnex's Enterprise-Suite and services
  • Develop and maintain full-stack software solutions for an Android-based installer app and supporting backoffice tools in the field of real estate energy management
  • Implement installer workflows that guide technicians through device installation, replacement, including full digital documentation of installations
  • Build and operate backend services and APIs for data processing, validation, health checks, and integration with downstream systems
  • Design and maintain data models for buildings and installed devices, ensuring data quality and consistency
  • Collaborate closely with product, UX, and domain experts to deliver reliable, user-friendly solutions and continuously improve the platform
  • Participate in code reviews, architectural discussions, and continuous improvement of development practices, performance, and system stability
  • Support the full software lifecycle, from concept and implementation to testing, deployment, and maintenance

Requirements

  • Proactive, problem solving mindset
  • Ability to communicate complex ideas in clear and concise way (in English)
  • Strong collaboration skills and experience working closely with other teams (product, frontend, QA, DevOps, etc.)
  • At least 5 years of experience working as a Software Developer
  • Proficiency in development with Kotlin, Java or similar (JVM) languages
  • Professional working experience with a frontend framework like Angular, React or Vue.js
  • Solid understanding of object-oriented design, clean code principles, and software architecture
  • Experience designing, implementing, and consuming RESTful APIs
  • Good knowledge of relational databases (e.g. PostgreSQL, MySQL) and SQL
Benefits
  • Modern hardware and the opportunity to work with cutting-edge technologies
  • 100% remote work possibility
  • Space and budget for personal growth
  • Flexible working hours
  • 30 days vacation
  • Events for employees to celebrate our achieved goals and great team-spirit
  • Community of Practice and Knowledge Nuggets for improving your skills
  • Corporate Benefits and Mental Health Programme
  • JobRad-Leasing
  • Coffee, tea and water for free in our office
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KotlinJavaAngularReactVue.jsRESTful APIsPostgreSQLMySQLSQLobject-oriented design
Soft Skills
problem solvingcommunicationcollaboration