Senior Backend Engineer developing multi-rail payment systems at Kikoff. Leading backend services design and optimization to support high transaction volumes and reliability.
Responsibilities
Own and scale our multi-rail payment systems (ACH, RTP, card networks) to handle transaction volume while maintaining 99.99% reliability
Design and build scalable backend services that can handle millions of transactions with low latency and high throughput
Optimize our Sidekiq job infrastructure to efficiently process complex workflows for underwriting, collections, and payment distribution
Lead architectural decisions for our core financial systems, balancing speed, reliability, and cost as we scale
Build robust data pipelines that power our ML models and real-time decision engines
Requirements
5+ years of experience with modern backend frameworks and a track record of building and scaling production systems
Strong systems design skills - you've architected and shipped distributed systems that handle high throughput and maintain data consistency
Production experience with background job processing systems (Sidekiq, Resque, or similar)
Solid understanding of database optimization, caching strategies, and performance tuning
Benefits
Medical, dental, and vision coverage - Kikoff covers the full cost of health insurance for the employee!
Meaningful equity in the form of RSU's
Flexible vacation policy to help you recharge
Competitive pay based on experience consisting of base + equity + benefits
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