Senior Software Engineer

About Good Leap:

Good Leap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat pumps, roofing, windows, and more. Over 1 million homeowners have benefited from our simple, fast, and frictionless technology that makes the adoption of these products more affordable, accessible, and easier to understand. Thousands of professionals deploying home efficiency and solar solutions rely on Good Leap’s proprietary, AI-powered applications and developer tools to drive more transparent customer communication, deeper business intelligence, and streamlined payment and operations.

Our platform has led to more than $30 billion in financing for sustainable solutions since 2018.

Good Leap is also proud to support our award-winning nonprofit, Give Power, which is building and deploying life‑saving water and clean electricity systems, changing the lives of more than 1.6 million people across Africa, Asia, and South America.

We are seeking a highly skilled Senior Full-Stack Software Engineer with deep experience in the payments industry, especially with Stripe. As a Senior Engineer, you will play a critical role in designing, developing, and scaling our payments platform. You’ll work closely with cross-functional teams, including product managers, designers, and other engineers, to build payment solutions that are reliable, secure, and optimized for performance.

This is a great opportunity for someone who thrives in a fast‑paced environment and is eager to take ownership of key initiatives within a growing company.

• Design, develop, and maintain scalable micro‑services, APIs and micro‑frontends that integrate with Stripe and other payment gateways.
• Build secure, reliable, and compliant payment solutions with a focus on scalability and performance.
• Collaborate with the product team to understand business requirements and deliver high‑quality solutions.
• Contribute to the entire software development lifecycle, from concept and design to testing and deployment.
• Mentor and guide junior engineers, promoting best practices in software development and payments security.
• Stay updated on the latest trends and innovations in the payments space and bring new ideas to the team.
• Troubleshoot, debug, and resolve issues in a timely manner to maintain high system availability.

• 5+ years of full-stack software development experience using NodeJS, Type Script, NestJS, React, HTML, CSS.
• Experience with cloud platforms such as AWS.
• Experience working with Stripe’s API and other payment processing platforms.
• Ability to design systems that are secure, scalable, and resilient to failure.
• Familiarity with relational databases like PostgreSQL.
• Experience with RESTful APIs and microservices architecture.
• Excellent communication skills and a collaborative mindset.
• A passion for clean code, continuous improvement, and best practices in software engineering.

• Experience in Fin Tech or other highly regulated industries.
• Previous work with real‑time payment processing systems.

• Work on impactful projects that enable sustainability and energy solutions.
• Competitive salary and benefits package.
• Opportunity for professional growth in a collaborative, inclusive, and fast‑paced environment.
• Work with a passionate, forward‑thinking team dedicated to making a difference.

$146,300 - $186,600 a year

Base pay range (CA, WA, NJ, MA, DC, NYC) per year: $160,900 - $186,600

Base pay range (all other US locations) per year: $146,300 - $169,600

In addition to the above salary, this role may be eligible for a bonus.

Job duties…