Senior Full-Stack Product Engineer - AI-Driven, End-to-End

HubSync; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

HubSync seeks a senior full-stack product engineer to own features end to end within a small pod, including an engineering lead and tax-domain product owner. You will own requirements, implementation, testing, shipping, and production monitoring.

You will code across the stack using TypeScript/Node, React, PostgreSQL on AWS, and leverage AI tooling for QA, review, and automation. Tax/fintech experience is a plus, with a strong customer workflow focus.

Qualifications

• 5+ years building and shipping production web software with depth across the stack.
• Delivery track record: able to narrate a specific release and actions taken.
• Proficient in TypeScript/Node and React; strong SQL instincts.
• Experience with AWS and end-to-end testing including Playwright.

Responsibilities

• Own features end to end from ambiguous requirement to production.
• Refine requirements with tax-domain experts and write clear acceptance criteria.
• Build across the stack using React, TS/Node, PostgreSQL; move where needed.
• Ship with tests and monitor production; fix and iterate.

Skills

End-to-end feature ownership

TypeScript/Node

React

PostgreSQL

AWS

Testing (unit & Playwright)

AI tooling usage

Domain: tax/fintech

Tools

Playwright

Fastify/Express

AWS (SQS/S3/Lambda)

PostgreSQL (Aurora)

Job description

HubSync seeks a senior full-stack product engineer to own features end to end within a small pod, including an engineering lead and tax-domain product owner. You will own requirements, implementation, testing, shipping, and production monitoring.

You will code across the stack using TypeScript/Node, React, PostgreSQL on AWS, and leverage AI tooling for QA, review, and automation. Tax/fintech experience is a plus, with a strong customer workflow focus.