Product Support Engineer

oneapp; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

OnePay is seeking a Production Support Engineer to bridge the gap between Engineering and Customer Experience. You will collaborate with Product and Engineering to understand complex multi-system integrations and cross-functional impacts affecting users.

The role emphasizes critical thinking and strong technical skills, with opportunities to apply AI for operational improvements and automation. Join a fast-moving team solving real-world fintech challenges.

Qualifications

• 1 year of engineering experience or equivalent; strong foundation in backend development.
• Proficient in at least one backend language; our stack uses Node.js and TypeScript.
• Experience with SQL and REST APIs to fetch, transform, and consume data.
• Excellent written communication and collaboration with technical and non-technical teams.
• Knowledge of payment systems (e.g., card processing, ACH), AWS familiarity, and shell scripting is a plus.

Responsibilities

• Use AI to identify and implement ops improvements and efficiencies for Production Support.
• Investigate and resolve complex production issues affecting user experience.
• Interface with vendor systems using SQL and API calls to research customer issues.
• Commit fixes to backend systems and monitor outcomes.
• Act as engineering consultant to automate manual processes for Operations.

Skills

Node.js

TypeScript

SQL

REST APIs

Communication

Tools

AWS

Shell scripting

Backend services

Job description

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. And we’re moving fast.

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. We also partner with employers, HCM providers, gig platforms, and others to deliver embedded financial services to millions of employees and frontline workers.

We’re backed by Walmart, the world’s largest retailer, and Ribbit Capital, one of fintech’s most respected investors, giving us rare scale, distribution, and the opportunity to build something truly category-defining.

But what really sets OnePay apart is how we move. Our customers don’t have time to wait… and neither do we. This place moves fast, and we’re looking for people who are:

• Ready to run

• Hungry and driven by urgency

• Exceptional at what they do, with low ego

• Comfortable operating in motion

The Role

As a Production Support Engineer at OnePay, your mandate will be to help bridge the gap between Engineering and our Customer Experience team. You’ll work closely with our Product and Engineering teams to properly understand complex integrated systems that cross between functional teams and third party Vendors. Our team is defined by our ability to diagnose any issue across our entire platform, so success in this role is just as dependent on critical thinking skills as it is on technical skills. You will:

• Use AI to identify and implement operational improvements and efficiencies to build the future of Production Support

• Investigate and resolve complex production issues that affects user experience

• Interface with critical vendor systems using a mix of SQL and API calls to research a customer complaints

• Commit fixes to our backend systems

• Act as an engineering consultant for our Operations team to automate manual processes

You Bring

• At least 1 year of engineering experience with proficiency in at least one backend language. We use Node.js and Typescript throughout our stack, so an interest in learning and coding in Typescript is ideal

• Experience with SQL and REST APIs

• Excellent written communication skills paired with the ability to use them to collaborate with both technical and non-technical teams

• Knowledge of payment systems (e.g. card processing, ACH), familiarity with AWS, and shell scripting experience with bash, zsh or similar is preferred

Standard Interview Process

Our process varies by role. Most candidates go through:

• AI-assisted initial screen

• Interview with Talent Partner

• Technical or Hiring Manager Interview

• Team Interview

• Executive Interview

• Offer!

Equal Employment Opportunity

To build technology and products that are used and loved by people and solve real-world problems, we need to build a team with many different perspectives and experiences. We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We encourage candidates from all backgrounds to apply. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us at [e-mail].