Senior Backend Engineer, API

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

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• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

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401(k) match

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Senior From the posting source checked Jun 20, 2026

Work mode

Remote From the posting source checked Jun 20, 2026

In-office days

0 days From the posting source checked Jun 20, 2026

Schedule

Shift type

Not verified

Weekend work

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Company

Equity

Offered From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Senior Backend Engineer, API New York, NY, United States, Remote About Polymarket Polymarket is the world's largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future. We're growing fast, both in terms of volume ($21B traded in 2025) and adoption as an alternative news source. Our ambition is to become a ubiquitous beacon of truth in global media and we need your help adding fuel to the fire. About the Role Polymarket is looking for a Senior Backend Engineer to work on Gamma, the core backend powering Polymarket's markets platform. Gamma processes every market creation, trade, and resolution on the platform: at scale, under load, with no margin for error. You'll ship features with direct product impact, push the boundaries of what the system can handle, and help define how ownership evolves as the platform grows. If you want your work to matter immediately and visibly, this is that role. What You'll Do - Architect and implement Go-based services. Design and build services capable of sustaining high request throughput with low latency at scale. - Define and enforce engineering standards. Own API versioning strategy, error handling conventions, and service health benchmarks across the backend. - Uphold code quality. Drive quality through code reviews, shared conventions, and technical documentation that the broader

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