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About OnePay OnePay is the consumer fintech trusted by millions of Americans to make money better. Our financial system is broken. High fees, low rates, and too few ways to actually grow your money. We’re fixing it.…
Build and maintain backend services for a fintech platform offering banking, savings, credit, lending, investing, and crypto, using Node.js, TypeScript, NestJS, Kubernetes, and AWS.
Senior backend/full-stack engineer on OnePay's Banking team, designing and delivering scalable banking services and real-time money movement (ledgers, ACH, card processing) for a consumer fintech app. Stack is TypeScript end to end: Node.js/NestJS on the server, React Native clients, running on Kubernetes and AWS.
Designs, automates, and secures corporate IT infrastructure for a fast-growing fintech platform, using IaC (Terraform) and cloud-native tools to enforce security policies and protect data.
OnePay, a consumer fintech backed by Walmart and Ribbit Capital, is hiring a QE Platform Engineer to build and own shared test automation frameworks and test-execution infrastructure (flaky-test detection, environment provisioning, parallelized runs) used by teams across web, mobile, and backend. Stack: TypeScript/Node.js with NestJS, Kubernetes, AWS, React Native, and tools like Playwright/Seleni
Backend engineer on OnePay's Credit Card team, designing services and APIs that power a co-branded credit card product, with ownership of reliability for real-time credit transactions. Stack is Node.js/TypeScript (NestJS) microservices running on Kubernetes and AWS, with heavy emphasis on security and compliance.
Full-stack Software Engineer on OnePay's @Work team, building employer benefit features like Instapay, savings, and budgeting for a consumer fintech. Day to day: lead technical design and architecture, ensure reliability and scalability, and ship across a Node/TypeScript (NestJS, Kubernetes, AWS) backend and React Native iOS/Android/web clients.
Platform Engineer (AI & Automation) at consumer fintech OnePay: builds and ships production-grade AI agents and automation workflows, embedding with cross-functional teams to automate complex business processes. Core tech: LLM APIs, LangGraph/Claude SDK, MCP servers, Cursor/Claude Code, plus Node/TypeScript, Kubernetes, and AWS/GCP.
Backend engineer on OnePay's Risk team, building resilient services and APIs for fraud detection, identity verification, and real-time transaction monitoring. Stack is Node/TypeScript with NestJS microservices on Kubernetes and AWS.
Build and maintain dbt models and Databricks dashboards that power OnePay’s trusted analytics, using AI tools like Cursor and Claude to design metrics and docs for both humans and agents.
Build core platform services and Kafka-based event streaming systems to power distributed financial workflows and agent-driven applications in a cloud-native AWS environment.
Build and maintain the core platform services and developer frameworks that power OnePay’s distributed financial systems and enable agent-driven applications.
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