OnePay Tech Stack

Consumer and employer financial platform with embedded banking, lending, and investments

Financial Services New York, NY 501–1,000 employees Privately Held

OnePay operates a full-stack consumer fintech platform (Node.js, TypeScript, React Native across iOS/Android) paired with an employer-embedded financial wellness suite for frontline workers. The tech stack reveals a mature, production-grade organization: orchestration via Kubernetes on AWS, observability across Datadog/Prometheus/Grafana, and active ML work (TensorFlow, PyTorch, scikit-learn) on personalization and fraud detection. Engineering-led hiring (17 open roles) and active projects around AI agents and mobile platform design suggest the company is scaling platform capabilities and expanding distribution into employer benefits.

Tech Stack 69 technologies

Core StackNode.js TypeScript NestJS Kubernetes AWS React Native Cursor GitHub Copilot Go Java Datadog Prometheus Grafana Python Terraform Pulumi scikit-learn TensorFlow PyTorch Okta iOS Android Claude React Native Reanimated Lottie SQL Google Workspace macOS EDR DLP+38 more

What OnePay Is Building

◆Challenges

Low rates
Too few ways to grow money
Broken financial system
High fees
Limited growth options
Improving customer acquisition efficiency
Quality of customer operations
Fraud in debit card transactions
Detecting abnormal patterns
Improving customer satisfaction

▲Active Projects

Personalization recommendation system
Mobile product feature development
Automation and monitoring systems
Erp system optimization
Ai agent development
Data transformation pipelines
Shared mobile platform design system adoption
Product usage analysis
Marketing communication execution
Customer journey development

Hiring Activity

Steady50 roles · 15 in 30d

Department

Engineering

Finance

Data

Marketing

Product

Security

Ops

Legal

Seniority

Senior

Mid

Manager

Staff

Intern

Lead

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About OnePay

OnePay is a fintech platform serving two customer segments: consumers seeking a unified app for banking, savings, credit, lending, and investment; and employers/HCM providers seeking embedded financial services for employees and gig workers. The company operates across North America with banking partnerships (Coastal Community Bank, Lead Bank) and has achieved 4.9-star app ratings. Active projects span personalization, mobile product development, fraud detection, and ERP optimization, indicating ongoing investment in both consumer experience and operational scale. Hiring remains steady across engineering, data, finance, and product, with a concentration of senior-level roles.

HeadquartersNew York, NY

Company Size501–1,000 employees

Hiring MarketsUnited States, India

Frequently Asked Questions

What tech stack does OnePay use?

Node.js, TypeScript, NestJS, Kubernetes, AWS, React Native (iOS/Android), Go, Java, Python (TensorFlow, PyTorch, scikit-learn), plus observability tools Datadog, Prometheus, and Grafana for production infrastructure.