Senior Backend Engineer – Mortgage Platform (Go, AI Workflows)

Swish Labs, Inc.; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Swish Labs, Inc. seeks a Senior Backend Engineer to build the core infrastructure for our mortgage platform. You will design, build, and maintain backend systems that support the mortgage lifecycle from application to funding.

You’ll collaborate with product, design, and leadership to solve complex, data-heavy problems in a highly regulated industry. As an early engineering team member, you’ll set standards, improve reliability, mentor others, and influence technical direction.

Qualifications

• 6+ years of professional software engineering experience with ownership of production systems.
• Strong backend experience incl API design, distributed systems, databases.
• Experience building scalable, reliable, production-grade applications.
• Experience with cloud infra and containerized deployments.

Responsibilities

• Design and build scalable backend services in Go powering complex, data-intensive loan workflows.
• Develop APIs and integrations with credit bureaus, verification providers, and pricing engines.
• Build automation and decisioning systems that transform AI outputs into workflows.
• Design systems with auditability, data integrity, security, and regulatory compliance.
• Improve platform performance, observability, testing, and production reliability.
• Help define technical architecture and engineering best practices as the platform scales.
• Collaborate with product and design to turn mortgage workflows into reliable software.
• Review code, mentor engineers, and help build a strong engineering culture.

Skills

Go

Backend architecture

API design

Distributed systems

Relational databases

Observability

Testing

Communication

Tools

Docker

Kubernetes

AWS

Job description

Swish Labs, Inc. seeks a Senior Backend Engineer to build the core infrastructure for our mortgage platform. You will design, build, and maintain backend systems that support the mortgage lifecycle from application to funding.

You’ll collaborate with product, design, and leadership to solve complex, data-heavy problems in a highly regulated industry. As an early engineering team member, you’ll set standards, improve reliability, mentor others, and influence technical direction.