Software Engineer, Credit Card

OnePay

. Design and build backend services powering OnePay’s co-branded credit card product and partner integrations .

Posted 9/30/2026full-timeRemote • United StatesMid-LevelSenior💰 $140,000 - $190,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building secure backend services and APIs for financial applications, with a strong focus on scalability, performance, and compliance. Proficient in mentoring teams and enhancing code quality within a cloud-native architecture.

Highest-signal resume keywords

Backend DevelopmentAPI ArchitectureNode.js ProficiencyData Security StandardsMicroservice Architecture

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPI DevelopmentMicroservicesEvent-Driven SystemsData SecurityPCI ComplianceCloud-Native ArchitectureTypeScriptNestJSKubernetes

Soft Skills

CommunicationCollaborationProactivity

Tools & Technologies

AWSNode.jsTypeScriptNestJSKubernetes

Industry Keywords

FintechPaymentsBankingRegulatory Compliance

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsJavaJavaScriptKubernetesMicroservicesNode.jsTypeScriptGo

About the role

Key responsibilities & impact

Design and build backend services powering OnePay’s co-branded credit card product and partner integrations
Architect APIs and event-driven systems handling sensitive financial data securely at scale
Partner with risk, compliance, and platform teams to meet regulatory and security requirements
Own reliability and performance for systems processing real-time credit transactions
Drive technical decisions on system design, balancing scalability, security, and delivery speed
Mentor engineers and improve code quality, testing, and operational practices
Work with Node.js, TypeScript, NestJS, Kubernetes, AWS, and microservice-oriented architecture

Requirements

What you’ll need

3+ years of professional experience in backend or distributed systems development
Experience building and operating production-grade APIs and microservices in a regulated or high-compliance environment (fintech, payments, banking, or similar)
Proficiency in Node.js or similar modern backend frameworks (TypeScript, NestJS, Go, or Java)
Familiarity with cloud-native architecture (Kubernetes, AWS) and event-driven or microservice-based systems
Strong understanding of data security, PCI compliance, or similar standards protecting sensitive financial data
Strong communication and collaboration skills across product, risk, and platform teams
Drive and proactivity
Familiarity with modern software engineering practices
Authorization to work lawfully in the United States
Must disclose whether OnePay sponsorship of an immigration case is required

Benefits

Comp & perks

Stock options
Health benefits from Day 1
401(k) plan with company match
Remote-friendly (US)
Flexible time off (FTO)
Opportunities for growth
High-growth, mission-driven, inclusive culture
AI-assisted initial screen and interview process