Senior Software Engineer

Description:

🚀 WE’RE HIRING – Senior Software Engineer (Payment Systems)
📍 Location: Karachi | On-Site
💼 Job Type: Full-Time
🏢 Company: Paysys Labs

Paysys Labs is looking for an experienced Senior Software Engineer to join our engineering team and contribute to the development of secure, scalable, and high-performance banking and digital payment solutions.

🔹 Key Technical Requirements:
▪️ Strong hands-on experience with Java & Spring Boot
▪️ Expertise in Microservices Architecture
▪️ Experience with FT, IBFT, Raast & Instant Payment Systems
▪️ Knowledge of ISO 8583 & Payment Switch concepts
▪️ Experience with RabbitMQ / Message Queues
▪️ Strong understanding of REST APIs & Third-Party Integrations
▪️ Experience with React.js, TypeScript & Admin Portal Development
▪️ Proficiency in SQL, Stored Procedures & Database Optimization
▪️ Knowledge of Reporting Servers & Reporting Tools
▪️ Experience with CI/CD Pipelines & Deployment Processes
▪️ Strong Production Support, Debugging & Troubleshooting skills
▪️ Understanding of Secure Coding, Vulnerability Remediation & PCI DSS

🔹 Preferred Background:
Candidates with experience in Banking, Fintech, Digital Payments, or Financial Services will be preferred.

We are looking for a proactive professional who can take ownership, solve complex technical challenges, and contribute across the complete software development lifecycle.