Staff Software Engineer (Payments), Backend
Roseville, CA - HQ / Austin, TX / Flexible within tech hubs / Irvine, CA / Plano, TX / Salt Lake City, UT / West Palm Beach, FL
Software Engineering - Engineering / Full Time / Hybrid
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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 payment 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.
Key Responsibilities 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
Qualifications 8+ years of full-stack development experience with Node.js, TypeScript, NestJS, React, HTML, and CSS
Experience with cloud infrastructure, preferably AWS
Strong system design skills with a focus on scalability, reliability, and security
Excellent communication skills and a collaborative, leadership-oriented mindset
Passion for clean, maintainable code, mentoring others, and continuous improvement
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.
$173,000 - $200,000 a year
In addition to the above salary, this role may be eligible for a bonus and equity.
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