Application Guide
How to Apply for Senior Fullstack Developer - Optimization Team (m/w/d) Green-Tech Start Up
at Green Fusion
🏢 About Green Fusion
Green Fusion is a green-tech startup that automates boiler rooms to maximize energy savings and reduce CO₂ emissions, directly tackling climate change through practical technology. Their mission-driven approach combines environmental impact with cutting-edge software development, offering a unique opportunity to contribute to sustainability while working on complex technical challenges.
About This Role
As a Senior Fullstack Developer on the Optimization Team, you'll engineer end-to-end solutions from database models to frontend interfaces, focusing on automating boiler rooms for energy efficiency. This role involves translating requirements into pragmatic software designs and collaborating closely with engineers to optimize systems that directly reduce CO₂ emissions, making your work environmentally impactful.
💡 A Day in the Life
A typical day involves collaborating with your team via remote tools to discuss optimization requirements for boiler rooms, designing and implementing software solutions using TypeScript and Next.js, and writing SQL queries for database models. You'll contribute to planning sessions, prioritize tasks for energy savings, and ensure your code is production-ready to reduce CO₂ emissions effectively.
🚀 Application Tools
🎯 Who Green Fusion Is Looking For
- Has 5+ years of professional experience with proven expertise in TypeScript, Next.js, and SQL across both frontend and backend development
- Demonstrates ability to write high-quality, production-ready code and streamlined APIs, with a portfolio showing end-to-end implementation from database to frontend
- Exhibits strong collaboration skills, taking responsibility in team planning and working closely with engineers in a remote setting
- Works independently and structured, with fluency in English and a passion for green-tech or sustainability projects
📝 Tips for Applying to Green Fusion
Highlight specific projects where you used TypeScript, Next.js, and SQL together in a fullstack context, emphasizing energy efficiency or optimization if possible
Tailor your resume to show end-to-end development experience, explicitly mentioning database modeling to frontend implementation
Research Green Fusion's technology and mention how your skills align with automating boiler rooms or similar IoT/energy systems
Prepare examples of collaborating remotely on optimization problems, as this is a remote role in a startup environment
Demonstrate your structured working style by organizing your application materials clearly and linking to code samples or portfolios
✉️ What to Emphasize in Your Cover Letter
["Express genuine interest in Green Fusion's mission to reduce CO₂ emissions through boiler room automation", 'Provide concrete examples of your experience with TypeScript, Next.js, and SQL in fullstack projects, especially those involving optimization or efficiency', 'Highlight your ability to collaborate in a team setting and take responsibility, referencing past remote work if applicable', 'Explain how your structured, independent working style aligns with contributing to team planning and timelines']
Generate Cover Letter →🔍 Research Before Applying
To stand out, make sure you've researched:
- → Investigate Green Fusion's technology stack and how they automate boiler rooms—look for any public case studies or whitepapers
- → Explore the green-tech startup ecosystem, particularly companies focused on energy savings and CO₂ reduction
- → Understand the challenges of optimizing boiler rooms, including IoT integration, data analysis, and automation
- → Review the company's remote work culture and team structure, as this is a full-time remote position
💬 Prepare for These Interview Topics
Based on this role, you may be asked about:
⚠️ Common Mistakes to Avoid
- Submitting a generic application without tailoring it to Green Fusion's mission or the Optimization Team's focus
- Failing to demonstrate specific experience with TypeScript, Next.js, and SQL in a fullstack context
- Overlooking the importance of collaboration and structured work in a remote startup environment
📅 Application Timeline
This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.
Typical hiring timeline:
Application Review
1-2 weeks
Initial Screening
Phone call or written assessment
Interviews
1-2 rounds, usually virtual
Offer
Congratulations!