Note: The job is a remote job and is open to candidates in USA. OnePay is a consumer fintech company focused on improving financial services for millions of Americans. As a Platform Engineer, you will build core platform services and developer frameworks for large-scale systems, while collaborating with various teams to solve complex computing challenges in a secure AWS environment.

Responsibilities

• Design and operate platform-oriented core services that support high-scale distributed systems across OnePay’s product ecosystem
• Architect, build, and manage Kafka-based event streaming systems that power real-time data flows and mission-critical financial workflows
• Develop internal developer tooling and shared infrastructure that improve velocity, reliability, and observability across engineering teams
• Build and evolve frameworks that support the construction and orchestration of agentic applications, enabling intelligent, automated workflows across products
• Partner closely with engineering, data, and AI teams to solve complex distributed computing challenges in a secure, cloud-native AWS environment

Skills

• 7+ years of experience in software engineering within fintech, cloud infrastructure, or large-scale distributed systems environments
• Strong hands-on experience designing, operating, and scaling Kafka-based event-driven architectures
• Deep expertise in distributed systems, asynchronous processing, and high-availability platform services
• Production experience in AWS cloud environments and building cloud-native infrastructure
• Experience building developer platforms, internal tooling, or frameworks that enable other engineers to move faster
• Drive and proactivity - everyone here is a builder and executor

Benefits

• Stock options
• Health benefits from Day 1
• 401(k) plan with company match
• Remote-friendly (US)
• Flexible time off (FTO)
• Opportunities for growth
• A high-growth, mission-driven, inclusive culture where your work has real impact

Company Overview

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