Senior Full-Stack Engineer, Payments Platform

Francisco Partners; United States; On-site; USD 120,000 - 150,000; Full time

Job summary

Office Ally is seeking a Senior Full Stack Developer to help build ProPay2.0, our next-generation payment platform and financial infrastructure. In this role, you will design, develop, and support highly scalable, secure payment solutions that process ACH, virtual card, check, and other digital payment transactions while contributing to the architecture and evolution of our payment platform.

You’ll work across frontend and backend, delivering scalable applications with React and Java/Spring

Qualifications

• Bachelor’s degree in Computer Science or related field, or equivalent experience.
• 7+ years of full-stack development experience.
• Strong experience with Java and Spring Boot.
• Strong Experience designing and consuming RESTful APIs.
• Strong knowledge of SQL and relational databases such as PostgreSQL, Oracle, or SQL Server.
• Experience with React and modern front-end frameworks.
• Experience with Git and modern CI/CD pipelines.
• Experience building cloud-based applications (AWS preferred).
• Experience working on payment processing, fintech, banking, healthcare payments, or financial services platforms.
• Experience with ACH, EFT, virtual cards, checks, or digital payment processing.
• Excellent analytical and problem-solving skills.
• Strong communication and collaboration skills.
• Strong understanding of Agile development methodologies.

Responsibilities

• Design, develop, and maintain scalable full-stack applications for enterprise payment processing.
• Build scalable front-end applications using React and modern UI frameworks.
• Develop secure, high-performance backend services and RESTful APIs.
• Use AI-assisted development tools to accelerate coding, refactoring, and debugging.
• Design and optimize relational database schemas and SQL queries.
• Integrate with external payment providers, banking partners, and third-party APIs.
• Ensure applications meet security, compliance, and performance requirements.
• Participate in architecture discussions and technical design reviews.
• Participate in code reviews and uphold engineering best practices across the team.
• Identify opportunities to improve system design, performance, and developer productivity.
• Troubleshoot production issues and identify root causes.
• Write automated unit, integration, and end-to-end tests.
• Collaborate closely with Product, QA, DevOps, and Operations teams throughout the software development lifecycle.

Skills

Java

Spring Boot

REST APIs

SQL

PostgreSQL

Oracle

SQL Server

React

CI/CD

AWS

Payment processing

Fintech

Healthcare payments

Agile

Analytical

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

Git

Docker

Kubernetes

Job description

Office Ally is seeking a Senior Full Stack Developer to help build ProPay2.0, our next-generation payment platform and financial infrastructure. In this role, you will design, develop, and support highly scalable, secure payment solutions that process ACH, virtual card, check, and other digital payment transactions while contributing to the architecture and evolution of our payment platform.

You’ll work across frontend and backend, delivering scalable applications with React and Java/Spring