# Software Engineer, Cash Line

**Company:** [Upstart](https://hotfix.jobs/companies/upstart)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $136k – $197k/yr
**Experience:** 5+ years
**Skills:** Python, Java, Kotlin, Ruby, Node.js, REST APIs, GraphQL, Data Models, Distributed Systems, Service-Oriented Architecture, CI/CD, Observability, A/B Testing, Feature Flagging, AI Tools
**Posted:** 2026-08-19

> Build and operate backend services and APIs powering Cash Line lending experiences, including pricing, underwriting, funding, and account management. The role requires a bachelor's degree or equivalent experience, at least four years of professional software engineering experience, and proficiency with backend development.

## Job Description

## Responsibilities
- Design, build, and maintain reliable backend services and APIs supporting Cash Line and the broader borrower journey.
- Develop systems for offer generation, pricing, underwriting, funding, and account management.
- Integrate backend capabilities with borrower-facing applications and partner systems as needed.
- Collaborate with product managers, designers, and engineers to deliver features that improve borrower flows.
- Write tested, maintainable code and participate in code reviews.
- Improve performance, scalability, reliability, and observability; diagnose and resolve issues across environments.
- Support experimentation and iterative improvements using data and customer feedback.
- Occasionally travel for team onsites and company gatherings.

## Requirements
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- 4+ years of professional software engineering experience.
- Strong proficiency building backend services and APIs with a language such as Python, Java, Kotlin, Ruby, or Node.js.
- Experience with REST or GraphQL APIs, data models, and distributed systems or service-oriented architectures.
- Strong fundamentals in tested, maintainable code and team-based code review.
- Ability to work with product and design partners from requirements through production.

## Nice-to-haves
- Experience building scalable, reliable systems for consumer-facing products with complex user journeys.
- Familiarity with automated testing, CI/CD workflows, observability, and modern software development practices.
- Exposure to fintech, lending, payments, or regulated financial products.
- Experience with experimentation, A/B testing, or feature flagging in production.
- Active use of AI tools in engineering workflows.

## Compensation & Benefits
- United States base salary range: $142,000–$196,600 USD.
- Canada base salary range: $136,000–$184,800 CAD.
- Target bonuses, equity compensation, and benefits including medical, dental, vision, retirement plans with company match, ESPP for eligible US employees, health savings account contributions, life insurance, disability coverage, paid time off, holidays, and family and parental leave.

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