Onshore
Senior Software Engineer
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Job Description
Onshore is seeking a Senior Software Engineer to join their team. This role involves owning a major product surface on one of three engineering teams: Platform & Agents, Agriculture, or Corporate Tax & Compliance. The position requires writing code for critical parts of the product, setting technical standards through code contributions, and potentially leading a small pod of engineers. The role emphasizes high ownership, technical decision-making, and a strong focus on correctness, as the company's output is reviewed by tax professionals and filed with the IRS. Onshore operates under a technical leadership model where all engineers ship code, with leadership opportunities scoped to complement individual contribution, not replace it.
Qualifications
Required Qualifications
- 5+ years designing, shipping, and operating production software, including systems you owned end to end.
- Strong proficiency in a typed language. We work in TypeScript; deep experience elsewhere with real interest in switching counts.
- A track record of leading technical work: architecture that shipped, systems that lasted, engineers who got better because you were there.
- High ownership: comfortable with ambiguity, able to define the problem and the plan rather than execute a predefined spec.
- You care about correctness beyond what most product engineering demands. Our output is reviewed by tax professionals and filed with the IRS.
- Clear, precise communication on technical topics, in writing and in person.
- Able to work in person at our New York City office.
Preferred Qualifications
- Experience building or operating LLM-powered systems in production: agents, evaluation harnesses, structured extraction, or prompt and skill infrastructure.
- Experience building platforms or internal tools where other engineers were your customers, and judgment about when to build a primitive versus ship a one-off.
- Depth in AWS or comparable cloud infrastructure, especially workflow orchestration, queueing, and relational data at scale.
- Compliance-aware system design: audit trails, data lineage, tenant isolation, or work in regulated domains.
- A track record of mentoring engineers through code review and technical direction, and of aligning people without direct authority.
Skills & Technologies
About the Company
Onshore
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Sign in to applyJob Details
Employment Type
Full Time
Experience Level
Senior
Location
New York, NY
Posted
Today
Country
US