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Sunly

Software Developer

Sunly
Estonia · Full-time · Entry

Want to make a positive impact on the environment? Sunly is a renewable energy producer, dedicated to developing and operating renewable energy projects across the Baltics and Poland. We also invest in startups in the electrification sector and sell 100% renewable electricity to consumers in Estonia. At the heart of Sunly’s mission is renewable energy production, playing a crucial role in achieving regional climate goals, energy security, and affordability.


We are looking for a Software Developer to join our dynamic team! You will join our software team, which is building new tools and platforms from scratch. 


Your daily role:    


  • Develop and maintain back-end services that ensure high performance and scalability. 
  • Design and optimise relational databases with a focus on efficient data storage and retrieval. 
  • Build and integrate APIs, ensuring smooth deployment and version control processes. 
  • Contribute to scaling system architecture, with expertise in real-time data transmission protocols. 
  • Maintain high standards of code quality through thorough testing and code reviews, helping to shape the technical direction of the team. 


What describes you:     


  • At least 2 years of experience with Java, and comfortable working with Python, Docker, GitHub, SQL, and REST APIs. 
  • Familiarity with real-time data and a strong interest in building scalable systems to handle it. 
  • Thriving in an agile environment, with a preference for working within a fast-paced, collaborative team. 
  • Experienced with pair programming, including active collaboration and shared problem-solving. 
  • Solution-oriented mindset, with a talent for solving complex technical challenges. 
  • Fluency in English. 
  • Genuine passion for renewable energy. 


What's in it for you:      

  • Contribute to the growth of renewable energy and a sustainable future, working with experts in the renewable energy sector within an international company. 
  • Engage in interesting challenges and continuous learning opportunities due to our fast growth.      
  • Enjoy benefits that support an active lifestyle and foster team building, including health insurance, a professional development fund, sports reimbursement, access to mental health counselling and coaching sessions through the Siffi platform, additional health days, and 28 workdays of annual leave.    

  

We would love to hear from you if you are excited about contributing to a sustainable future! We are reviewing applications continuously, so don't wait - seize the opportunity today!  

Join Sunly and be a part of a passionate team dedicated to making a positive impact on the world!   

Key Skills

Ranked by relevance

storage python docker java sql
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Posted
Sep 24, 2025
Type
Full-time
Level
Entry
Location
Tallinn
Company
Sunly

Industries

Renewable Energy Power Generation

Categories

Engineering Information Technology

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