Jobs at OnePay

As a Software Engineer at OnePay, you will develop and implement features, build scalable products, and work closely with teams to enhance customer experiences.

Own end-to-end development of a new consumer fintech product for splitting recurring payments. Define vision and roadmap, partner with engineering, design, data, risk, and legal, manage third-party integrations, use data and experimentation, navigate underwriting and regulatory requirements, and present progress to senior leadership.

As a Forward Deployed Engineer, you will develop AI agents and automation workflows, collaborate with teams, and ensure secure, reliable solutions integrating with various systems.

The Product Manager at OnePay will own product development, improve user experiences across financial products, and drive results using data and collaboration.

As a Staff Full Stack Engineer, you will lead complex projects for the lending platform, mentor engineers, and drive system optimization while collaborating with cross-functional teams.

As an Agentic Platform Engineer, you will design and manage core platform services and tools for high-scale distributed systems, focusing on Kafka and AWS environments, while delivering automated workflows across OnePay's products.

Lead authentication fraud strategy to minimize ATO and scam losses while optimizing customer experience. Build data-driven detection, monitoring, graph analysis, and AI-integrated risk workflows. Partner with product, data, ops, and IT to implement analytics, alerts, and operational processes for authentication risk.

Build and maintain resilient backend services and APIs for fraud detection, identity verification, and transaction monitoring. Integrate third-party risk/compliance platforms, partner with product and engineering teams, contribute to architecture decisions, and produce documentation to ensure secure, reliable systems at scale.

The Corporate Strategy Lead will define business priorities, evaluate fintech trends, develop frameworks, and lead strategic initiatives for OnePay.

The Product Support Engineer will bridge the gap between Engineering and Customer Experience, resolving production issues, using AI for improvements, and consulting with Operations to automate processes.

As a Data Engineer, you'll build and maintain data pipelines, manage reporting tools, and work collaboratively with analytics teams.

As a Design Engineer at OnePay, you will create production-ready components, leverage AI tools for efficiency, and collaborate closely with design and engineering teams to innovate design handoff processes.

As an Applied Scientist at OnePay, you will design and deploy machine learning models, develop AI agents, and optimize systems for user personalization and search efficiency.

Lead visual concepting and execution for paid social campaigns across static, motion, and video. Direct shoots and UGC, build scalable creative systems and templates in Figma, and collaborate with Growth and Brand to ensure on-brand, performance-aware social creative. Use AI tools to accelerate exploration and maintain high craft standards.

Build and maintain backend systems and infrastructure, collaborate across product, design, and ops, write and maintain documentation, ship scalable services handling sensitive financial data, and solve complex production problems in a fast-moving fintech environment.

Lead day-to-day disputes operations and strategy, drive AI/LLM-driven automation, optimize tooling and vendor performance, perform root cause analysis, and partner cross-functionally to improve dispute workflows, compliance, and customer outcomes.

Lead the embedded finance distribution strategy, build partnerships, oversee product success, and drive growth in payments and HR tech ecosystems.

As a Full Stack Engineer, you will develop and implement features, APIs, and products, collaborating with cross-functional teams to enhance customer experiences.

Lead accounting policy and financial reporting at OnePay, ensuring compliance with US GAAP, overseeing financial statements, and partnering cross-functionally to support growth.

Own end-to-end issue management and lead containment, root cause analysis, and remediation. Serve as project manager for critical product initiatives, coordinating Product, Engineering, Legal, Compliance, and Operations. Build and improve processes and automation (including AI tooling), manage partner relationships, report to stakeholders, and ensure cross-functional launch readiness.