[Hiring] Platform Engineer @OnePay

Role Description

As an Agentic Platform Engineer at OnePay, you will build the core platform services and developer frameworks that power large-scale, distributed systems and enable the next generation of intelligent, agent-driven applications.

• 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.

Qualifications

• 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.

Requirements

• Familiarity with modern software engineering practices.

Benefits

• Competitive base salary, stock options, and health benefits from Day 1.
• 401(k) plan with company match.
• Remote-friendly (US), flexible time off (FTO), and opportunities for growth.
• A high-growth, mission-driven, inclusive culture where your work has real impact.

Company Description

OnePay is the consumer fintech trusted by millions of Americans to make money better. We’re an all-in-one financial services platform that brings together banking, high-yield savings, credit cards, point-of-sale lending, investing, and crypto in one place.

• Backed by Walmart, the world’s largest retailer, and Ribbit Capital, one of fintech’s most respected investors.
• Focused on delivering embedded financial services to millions of employees and frontline workers.
• Fast-paced environment that values urgency and exceptional performance.