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# Senior Backend Engineer - Golang

- **Company:** Career Renew
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Salary:** $120,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Distributed Systems, Monitoring of Systems, Software Engineering, SQL Databases, Transaction Processing (Computing), Backend, Data Analytics, Front End Software Development, Data Pipelines, Golang
- **Published:** August 29, 2026
- **Apply:** https://www.careerjet.com/job/us45bcdf02106e5490ebe85072b8ff7786/eaa

## About the Role

2 - 5 years of experience in backend software engineering, with focus on Go and distributed systems
Has owned a real product/technical outcome end- to- end, can speak to the business impact
Startup experience at Series A/B stage
Background in data- heavy, high- velocity environments (fintech, adtech, analytics, etc. ) (Nice-to-have)
Bachelor's degree in CS or related technical field
Full- stack with real backend depth , not primarily front- end (stack- agnostic)
SQL and data analytics - can query data to inform engineering and product decisions
Experience with distributed systems (Nice-to-have)
Must work on- site 5 days/week in Seattle, WA

## Description

We are a fintech company on a mission to level the financial playing field for hard-working Americans by building products that help users better manage their financial future. Founded in 2018 and backed by $22.5M in funding from top-tier investors including Goodwater Capital, Unusual Ventures, Obvious Ventures, Fika Ventures, and Defy.vc, we've already helped thousands of users access cash advances, build credit, optimize taxes, and more. The company operates a high-velocity cash advance product processing thousands of transactions daily, serving subprime customers who have been underserved by traditional financial institutions.
We are looking for a Senior Backend Engineer with 2-5 years of experience to help rebuild and scale our cash advance platform from a scrappy prototype into a system capable of processing hundreds of millions in originations. You'll be a generalist who can take a business outcome and drive the technology end-to-end, working across distributed systems, financial infrastructure, data pipelines, and internal tooling.
What will you be doing?

 * Rebuilding core backend systems (ledger, transaction processing, payment integrations) to support 5-10x growth in advance originations
 * Building high-reliability, high-scale collection systems that make targeted transactions across thousands of small-cap advances daily
 * Ingesting and processing massive volumes of customer banking data from partners to power underwriting and collection decisions
 * Using SQL and data analytics to drive engineering decisions, monitor system performance, and validate business outcomes
 * Designing and operating event-driven distributed systems with Pub/Sub and asynchronous workflows


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