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GreenPocket GmbH

Full-Stack Developer – Kotlin/Java

GreenPocket GmbH

Full-Stack-Entwickler:in bei Greenpocket, Anbieter von Smart-Energy- und Energiemanagementsoftware. Entwicklung nachhaltiger SaaS-Lösungen, insbesondere Schnittstellen, mit Kotlin/Java oder TypeScript.

Posted 8/15/2026full-timeCologne • 🇩🇪 GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in software development within a SaaS environment, focusing on Java or Kotlin in the Spring ecosystem, and possesses strong skills in microservices and cloud infrastructures. Capable of collaborating effectively in agile teams while maintaining a quality mindset and a proactive approach to problem-solving.

Highest-signal resume keywords
Java DevelopmentKotlin DevelopmentMicroservices ArchitectureCloud InfrastructureAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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

Hard Skills
JavaKotlinJavaScriptTypeScriptSpring FrameworkMicroservicesCloud InfrastructureSoftware TestingSoftware DesignAPI Development
Soft Skills
Creative ThinkingAnalytical ThinkingSelf-MotivationHands-On AttitudeCollaboration
Tools & Technologies
JIRAConfluence
Industry Keywords
SaaSDevOpsAgileCross-Functional TeamsProduct Management

Tech Stack

Tools & technologies
JavaJavaScriptKotlinMicroservicesSpringTypeScript

About the role

Key responsibilities & impact
  • Collaborate with the development team, Product Owners and UX/UI designers to further develop the SaaS solutions, with a focus on interfaces/APIs
  • Design, test, maintain and continuously improve software independently and as part of a team
  • Advise product management on technical questions
  • Discuss functional and technical requirements and their implementation with product management and the business unit
  • Take increasing co-responsibility in the DevOps area for architecture, development and testing
  • Advance products through pair programming, code reviews and prototyping
  • Regularly communicate with agile, cross-functional teams in DevComs and the Architecture Board
  • Develop and contribute your own ideas during monthly GreenDays

Requirements

What you’ll need
  • Degree in IT or a related field, or equivalent vocational training
  • Initial experience as a software developer, ideally in a SaaS environment
  • Practical experience with microservices and cloud infrastructures
  • Strong knowledge of Java or Kotlin, ideally in the Spring ecosystem; alternatively very good JavaScript/TypeScript skills and experience with common frameworks
  • Familiarity with standard tools in agile environments, particularly JIRA and Confluence, for managing and documenting development
  • Creative and analytical thinking
  • Interest in new technologies and a strong quality mindset
  • Startup mentality, self-motivation and a hands-on attitude
  • Good German skills and very good English skills

Benefits

Comp & perks
  • Intensive coaching and training opportunities, including participation in the DevCom and the Architecture Board
  • Permanent employment
  • Startup atmosphere with plenty of scope for shaping things, flat hierarchies and short decision paths
  • Flexible working hours
  • Option to work from home
  • One GreenDay per month to develop your own ideas
  • Regular team events
  • Daily table football (foosball) tournaments
  • Convenient location with excellent cultural, sporting and transport connections
  • Unlimited coffee and water supplies
  • Regular fresh fruit