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Staff Software Engineer, Payments (Backend) Roseville, CA - HQ / San Francisco, CA / Irvine, CA / Plano, TX / Austin, TX / Lehi, UT / West Palm Beach, FLSoftware Engineering – Engineering /Full Time /Hybrid APPLY FOR THIS JOB 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 pr ... (truncated, view full listing at source)