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Senior Development Full-Stack Engineer

Onsite or remote • Kansas City+1💼 Full-time🗓 2026-06-24

Core

Design, operate, and optimize external developer enablement including SDKs, tutorials, and code samples for a fintech startup's transaction processing platform.

Role type

Senior Full-Stack Engineer (Developer Enablement & SDKs)

Builds

External developer SDKs, tutorials, code samples, and documentation for a multi-cloud financial transaction platform.

Domain

Fintech / Payments / Developer Experience

Deliverable

product features

Required skills

Ruby on Rails, API design, SDK development, technical writing, unit testing, code review, PCI DSS compliance

Preferred skills

AWS, Azure, GCP, AI tools (Claude Code)

Technologies

Ruby on Rails, AWS, Azure, GCP

Responsibilities

Write reusable, reliable code for high-volume transaction systems; Lead design and execution of medium to large software features; Build and scale developer resources (SDKs, tutorials, code samples); Author and maintain documentation for mission-critical services; Embed PCI DSS v4.0 compliance into developer workflows.

Seniority

Senior, hands-on IC

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