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Principal Software Engineer, Enterprise Platform APIs

GoodLeap • Financial Software & Embedded Finance • Mortgage Lending & Brokers • Bachelor's Degree • JavaScript • TypeScript • C# • Node JS • 2 months ago

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Salary

$183k – $229k per year

Location

Hybrid (Roseville, San Francisco, Irvine, Austin, Plano, United States)

Seniority

Principal · 9+ years exp

Visa

H-1B filings in 12 months: 27 · for this role: 13 · green card filings: 2

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Aug 26, 2026. GoodLeap scores B on the Alion truth index.

Overview

Company

Impact

Profile match

GoodLeap

GoodLeap is a financial technology company headquartered in Roseville, California, that provides point-of-sale financing and software for home improvement and sustainable solutions such as solar panels, batteries, energy-efficient HVAC, roofing and windows. Its platform, used by contractors and homeowners across the US, has funded more than $30 billion in sustainable-solution financing since 2018, it also runs an in-house mortgage lending operation, and it supports the nonprofit GivePower. It hires loan officers, client support and collections specialists, solar energy consultants, software engineers, product managers for AI and Salesforce work, marketing systems staff and IT support.

goodleap.com • HQ: Roseville, United States • Mortgage Lending & Brokers • Financial Software & Embedded Finance • 1001-5000 employees

Tech stack of GoodLeap

Backed by NEA, Silicon Valley Investclub

Position Summary

The Principal Software Engineer will be responsible for building, maintaining, monitoring, and scaling the enterprise platform services in our portfolio, spanning IAM, Communications, Payments, and API Gateways. Applying engineering best practices to help ensure a culture of software quality and operational excellence throughout the organization. This role will work directly with product and engineering teams to help define the platform roadmap and provide input towards the overall technical strategy.

Essential Job Duties and Responsibilities

Collaborate with product, architecture, and design leads to deliver highly-available, fault-tolerant products and services.
Work on significant and unique technical challenges, evaluate and recommend solutions, and guide decision making by considering technical tradeoffs.
Grasp both the technical and business perspective so you can help drive innovation.
Work autonomously and be self-disciplined, requiring no supervision or guidance.
Mentor and coach the team members to grow both their technical skills and soft skills.

Required Skills

Bachelor's degree
9+ years experience in backend or platform software engineering
Highly proficient in backend platform engineering, C#/.NET or TypeScript/Node.js, REST and GraphQL API design, event-driven messaging, OAuth 2.0/OIDC and token lifecycle
Proficient with agentic coding tools and AI-assisted development, including agent design and evaluation, MCP and tool integration, and prompt and context engineering
Adept with agile software development lifecycle and DevOps principles
Passion for software development, emerging technologies and culture of innovation
Excellent communication and interpersonal skills

Preferred Qualifications

Experience with AWS cloud infrastructure, Terraform, and containerized workloads (Kubernetes/ECS)
Hands-on experience with enterprise API gateways (Kong, Apigee) and integrating third-party payment providers
Experience delivering software in a regulated environment (SOC 2, PCI DSS) and translating technical tradeoffs for business stakeholders

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