As a Staff Full-Stack Engineer, you'll design and enhance payments APIs, mentor engineers, collaborate with cross-functional teams, and ensure operational excellence in a secure, scalable environment.
About GoodLeap:
GoodLeap 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 GoodLeap’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.
GoodLeap is also proud to support our award-winning nonprofit, GivePower, 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.
Position Summary
We’re looking for a passionate and experienced Staff Software Engineer to join our team that owns the core of our payments technology. In this role, you’ll help design, build, and scale both our payments platform and customer-facing payment products, ensuring they are secure, reliable, and performant. You’ll collaborate closely with product managers, designers, and fellow engineers to deliver seamless payments experiences that power every transaction.
What You'll Do
- Architect, design, and evolve scalable, high-performance APIs in a distributed environment that power Web, Mobile, and partner integrations
- Lead integrations with payment processors and alternative payment rails, ensuring reliability, compliance, and future extensibility
- Collaborate cross-functionally with Product, Risk, Finance, and Operations to translate business requirements into resilient technical solutions
- Drive the full software development lifecycle, from technical design and implementation through testing, deployment, and post-launch support
- Mentor and guide engineers across the team, setting high standards for system design, security, scalability, and code quality
- Champion operational excellence by building and enforcing practices around observability, documentation, monitoring, and alerting
- Proactively identify, troubleshoot, and resolve complex technical issues to maintain high availability and seamless customer experiences
What You Bring
- 7+ years of back-end development experience with Node.js and TypeScript
- Proven expertise in architecting complex distributed systems with a focus on scalability, reliability, and security
- Extensive experience in designing and developing RESTful and APIs, including versioning, documentation, and performance optimization
- Hands-on experience with cloud infrastructure (preferably AWS), including microservices, serverless, and containerized environments
- Strong system design and architectural decision-making skills, balancing trade-offs between performance, maintainability, and business needs
- Demonstrated ability to mentor and lead engineering teams, fostering collaboration, knowledge-sharing, and technical excellence
- Passion for writing clean, maintainable code and driving best practices in testing, CI/CD, and observability
- Excellent communication and cross-functional collaboration skills, with a proven track record of influencing technical direction at scale
Bonus Points
- Knowledge of Stripe, QuickBooks, or similar payment platforms
- Experience with C#
- Experience with Datadog or similar observability tools
- Experience in FinTech or other highly regulated industries
- Previous work with real-time payment processing systems
Why Join Us
- 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.
Additional Information Regarding Job Duties and Job Descriptions:
Job duties include additional responsibilities as assigned by one's supervisor or other managers related to the position/department. This job description is meant to describe the general nature and level of work being performed; it is not intended to be construed as an exhaustive list of all responsibilities, duties and other skills required for the position. The Company reserves the right at any time with or without notice to alter or change job responsibilities, reassign or transfer job position or assign additional job responsibilities, subject to applicable law. The Company shall provide reasonable accommodations of known disabilities to enable a qualified applicant or employee to apply for employment, perform the essential functions of the job, or enjoy the benefits and privileges of employment as required by the law.
If you are an extraordinary professional who thrives in a collaborative work culture and values a rewarding career, then we want to work with you! Apply today!
We are committed to protecting your privacy. To learn more about how we collect, use, and safeguard your personal information during the application process, please review our Employment Privacy Policy and Recruiting Policy on AI.
Top Skills
AWS
CSS
HTML
Nestjs
Node.js
React
Typescript
GoodLeap Irvine, California, USA Office
22 Executive Park, Irvine, CA, United States, 92614
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