Senior Full-Stack Engineer - Lead SaaS Platform Dev

Payoneer Inc.; United States; Hybrid; USD 120,000 - 160,000; Full time

Job summary

Payoneer is hiring a hybrid, full-time software engineer to join the development team. You will build full-stack features across frontend and backend, own architecture decisions, and collaborate with DevOps and R&D.

The role emphasizes .NET backend with React, strong SQL skills, SaaS platforms on AWS, and containerized deployments with Kubernetes. You will mentor teammates and contribute to production reliability and secure practices.

Qualifications

• BSc. in computer science or equivalent degree.
• 5+ years backend development with .NET and React frontend.
• Strong SQL skills across MSSQL/Oracle/MySQL/PostgreSQL.
• Experience building SaaS platforms on AWS.
• Containerization with Docker and Kubernetes (EKS).
• Microservices experience and knowledge of design patterns.

Responsibilities

• Collaborate with DevOps and R&D teams on portal development.
• Build and maintain the Developer Portal for self-service platform engineering.
• Develop full-stack features across frontend and backend.
• Handle sensitive data within restricted access models.
• Provide technical leadership with hands-on guidance.
• Own design, development, architecture, and production deployment.

Skills

.NET backend

React frontend

Advanced SQL

AWS cloud

Kubernetes (EKS)

Message brokers (Kafka)

Microservices

OOP & design patterns

Team leadership

Agile methodologies

Education

BSc. in computer science or equivalent

Tools

AWS

Docker

Kubernetes (EKS)

RabbitMQ / Kafka

Azure DevOps

Job description

Payoneer is hiring a hybrid, full-time software engineer to join the development team. You will build full-stack features across frontend and backend, own architecture decisions, and collaborate with DevOps and R&D.

The role emphasizes .NET backend with React, strong SQL skills, SaaS platforms on AWS, and containerized deployments with Kubernetes. You will mentor teammates and contribute to production reliability and secure practices.