Description
Powering the world’s payments ecosystem
ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments.
As a Principal Software Engineer (.NET) in Pune, you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem

Job Summary
ACI Worldwide is seeking a Principal Software Engineer to provide technical leadership and architectural direction for mission-critical payment solutions.
This role requires deep expertise in .NET, C#, Microservices, Cloud Technologies, Distributed Systems, DevOps practices , QA automation practices and AI-enabled solutions, with a proven ability to influence engineering strategy and drive innovation across multiple teams.
Key Responsibilities




- Define architecture, technical strategy, and engineering standards for enterprise-scale applications.
- Design and deliver scalable, secure, and high-performance solutions using up-to-date .NET technologies.
- Lead cloud-native and microservices-based transformation initiatives.
- Drive engineering excellence through architecture reviews, technical mentorship, and best practices.
- Partner with Product, Engineering, and Business leaders to align technology investments with business goals.
- Evaluate and adopt emerging technologies, including AI and intelligent automation.

Required Qualifications
- Bachelor's degree in Computer Science or related field.
- 12+ years of software engineering experience with demonstrated technical leadership.
- Proven track record designing and delivering large-scale enterprise software solutions.
- Experience leading architecture and technical initiatives across multiple team

📌 Principal Software Engineer (Pune)
🏢 ACI Worldwide
📍 Pune