Application Guide

How to Apply for Senior Full-Stack Software Developer (SF-Preferred, Remote-Possible)

at Atmos Financial, PBC

🏢 About Atmos Financial, PBC

Atmos Financial is a mission-driven fintech company that uniquely focuses on accelerating clean energy adoption through innovative financial solutions. They're not just another fintech startup—they're specifically channeling capital toward distributed solar, storage, and electrification projects. Working here means contributing directly to climate solutions while building financial technology.

About This Role

This Senior Full-Stack Developer role involves building and maintaining Atmos's clean energy lending platform, requiring both front-end (React/React Native) and back-end (Node.js, Postgres, AWS) expertise. You'll be directly enabling faster deployment of solar and storage projects by improving the platform's efficiency and scalability. The role balances technical implementation with collaboration across product, design, and engineering teams.

💡 A Day in the Life

You might start by reviewing pull requests for new lending platform features, then collaborate with product managers on translating clean energy financing requirements into technical specs. Afternoons could involve optimizing Postgres queries for loan processing performance or enhancing React components for the borrower interface, with regular team syncs on platform security and scalability improvements.

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Interview Prep

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🎯 Who Atmos Financial, PBC Is Looking For

  • Has 5+ years in fintech or related industries with hands-on experience in React/React Native, Node.js, Postgres, and AWS cloud systems
  • Demonstrates experience with both relational (Postgres) and NoSQL (MongoDB, Elastic) databases in distributed systems
  • Shows evidence of improving platform security, scalability, and reliability in previous roles
  • Can discuss specific contributions to clean energy, fintech, or mission-driven technology projects

📝 Tips for Applying to Atmos Financial, PBC

1

Highlight specific fintech experience—mention any lending platforms, payment systems, or financial compliance work you've done

2

Showcase projects using their exact tech stack: React/React Native, Node.js, Postgres, AWS, MongoDB, and Elastic

3

Include metrics about platform performance you've improved (response times, scalability numbers, security enhancements)

4

Demonstrate knowledge of clean energy or climate tech—even if tangential, show you understand their mission

5

Provide GitHub links showing clean, well-documented code with their technologies, especially distributed systems examples

✉️ What to Emphasize in Your Cover Letter

['Your experience with fintech platforms and how it applies to clean energy lending specifically', 'Examples of improving platform security and scalability in previous roles', "How you've collaborated with product managers and designers to translate requirements into technical solutions", "Your interest in Atmos's specific mission of accelerating distributed solar and storage projects"]

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → Atmos's specific clean energy projects and partners—understand what 'distributed solar, storage, and electrification' means in practice
  • → Their funding rounds and investors to understand their growth stage and priorities
  • → Competitors in clean energy fintech (like Mosaic, Sunlight Financial) to understand market positioning
  • → Recent news about their platform or technology stack developments

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 How you've optimized Postgres and MongoDB/Elastic databases in distributed AWS systems
2 Specific security measures you've implemented in fintech or lending platforms
3 Experience with React/React Native for both web and mobile in financial applications
4 How you balance rapid development with platform reliability in a startup environment
5 Your understanding of clean energy financing and how technology accelerates it
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⚠️ Common Mistakes to Avoid

  • Applying with only generic web development experience without fintech or specific stack expertise
  • Not being able to discuss distributed systems or database optimization in detail
  • Failing to show interest in or understanding of their clean energy mission beyond surface level

📅 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:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

✓

Offer

Congratulations!

Ready to Apply?

Good luck with your application to Atmos Financial, PBC!

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