Senior Platform Engineer

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Backend Engineer responsible for architecting and maintaining scalable systems at Polymarket. Collaborating across teams to enhance platform efficiency and security.

Posted 5/15/2026full-timeRemote • New York • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AnsibleAWSCloudGoGoogle Cloud PlatformMongoDBOpen SourcePostgresRustTerraform

About the role

Key responsibilities & impact

Architect & build backend systems
Optimize performance & scalability
Enhance security & reliability
Cross-company collaboration
Contribute to code reviews
Participate in research & innovation
Interface with Customers

Requirements

What you’ll need

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

Benefits

Comp & perks

Competitive salary & equity
Unlimited PTO
Health, Vision, & Dental coverage
401k match
Hardware setup — new MacBook Pro, big display, & accessories.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend developmentsystems programming languagesGolangRustC++database systemsPostgreSQLMongoDBcloud platformsinfrastructure as code

Soft Skills

problem-solvingcommunicationcollaboration