Polymarket - Senior Platform Engineer

deCircle Open · verified Oct 24, 2026

Remote New York Full-time Senior Platform & Infrastructure

At a glance

Senior Platform & Infrastructure role at deCircle. Remote, United States · full-time · no salary stated · we estimate $185,738–$243,350.

Estimated pay

deCircle has not published a salary for this role. The figure below is our estimate, not theirs.

$185,738 – $243,350

What the middle half of senior platform & infrastructure roles in New York paid, among postings that did state a salary.

Worked out from 31 postings that stated pay, median $212,500. Last updated Oct 22, 2026.

RolePlatform & Infrastructure

SenioritySenior

LocationNew York

WorkplaceRemote

EmploymentFull-time

PostedApr 1, 2026 · 6mo ago

Role brief

remoteroles summary, based on the employer's posting.

What you'll do

Design and maintain backend services and APIs for heavy transaction volumes and live data
Improve system throughput and efficiency so services continue operating as usage scales
Build security, fault tolerance and availability into distributed infrastructure
Review teammates’ code, work with product-facing colleagues and stakeholders, and speak with customers
Explore blockchain trading technologies and ways to improve the platform

What you bring

At least eight years developing backend systems
Deep skill in a systems language such as Go, Rust or C++
Experience solving unclear, high-impact engineering problems used at scale
Strong grounding in database internals, plus cloud infrastructure and infrastructure-as-code tools

Who this fits

This is a senior individual-contributor role for someone who wants to tackle deeply technical platform work. The role is remote and based in New York.

From the employer

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 world-class backend engineer to join our platform engineering team as we scale. The ideal candidate is obsessed with performance, security, and scalability—someone who can architect and optimize high-throughput systems with cutting-edge infrastructure. You will play a key role in building and maintaining the foundation that powers our prediction markets, ensuring reliability and efficiency as we continue to grow.

What you’ll do

We're looking for an experienced individual contributor who enjoys working on deeply technical problems and optimizing mission-critical infrastructure.

Architect & build backend systems. You'll design, implement, and maintain high-performance backend services and APIs that handle large-scale transactions and real-time data.
Optimize performance & scalability. You’ll push the limits of our system’s throughput and efficiency, ensuring seamless operation at scale.
Enhance security & reliability. You’ll implement best practices for secure, fault-tolerant, and highly available distributed systems.
Cross-company collaboration. You’ll collaborate with front-end engineers, designers, and stakeholders across the company to deliver a fully integrated user experience.
Contribute to code reviews. You'll play a critical role in maintaining the high quality of our codebase by providing feedback and suggestions on others' work during code review sessions.
Participate in research & innovation. You’ll stay at the forefront of blockchain-based trading technologies, exploring new solutions to improve our platform.
Interface with Customers. You’ll communicate directly with customers, providing support and gathering feedback.

8+ years of experience in backend development
Experience architecting and developing solutions to ambiguous problems with significant impact and high usage
Master-level proficiency in systems programming languages like Golang, Rust, or C++
Strong knowledge of database systems and internals (e.g., PostgreSQL, MongoDB)
Experience with cloud platforms (e.g., AWS, GCP) and infrastructure as code (e.g., Terraform, Ansible)
Excellent problem-solving and communication skills
(Plus) Blockchain-specific backend experience (e.g., working on BFT consensus engines, event indexing systems, libp2p)
(Plus) Experience with Ethereum roll-up technologies (e.g., Arbitrum Nova, Optimism)
(Plus) Open source contributor
(Plus) Active participant on ethresear.ch