Mastercard
Website:
mastercard.com
Job details:
Role Overview:
We are seeking a Lead Software Engineer with strong expertise in C/C++ and Unix/Linux systems to design, develop, and lead high-performance, scalable, and secure enterprise applications. The role requires hands-on technical leadership, architecture ownership, and cross-team collaboration to deliver mission-critical systems.
Lead engineers are expected to own complex problems, drive architectural decisions, and mentor engineering teams, while ensuring high-quality software delivery.
Key Responsibilities:
Technical Leadership & Architecture
· Design and develop high-performance, low-latency systems using C/C++ on Unix/Linux platforms
· Own end-to-end architecture for components and services, ensuring scalability and resiliency
· Introduce and adopt modern design patterns, frameworks, and best practices
· Provide technical direction and guidance to engineering teams.
Development & Delivery
· Lead design, development, testing, and deployment activities
· Write efficient, maintainable, and secure C/C++ code adhering to coding standards.
· Drive automation of builds, testing, and deployment pipelines
· Troubleshoot complex production issues and ensure system stability
System Design & Performance
· Architect systems for high throughput, fault tolerance, and performance optimization
· Perform performance tuning, memory optimization, and multithreading enhancements
· Ensure system reliability and availability (high uptime expectations)
Collaboration & Stakeholder Management
· Work closely with product, QA, and operations teams to prioritize and deliver solutions
· Drive design discussions, trade-offs, and cross-functional decisions
· Coordinate across geographically distributed teams
Mentorship & Engineering Excellence
· Mentor developers and promote best practices (code reviews, TDD, secure coding).
· Conduct technical interviews and help build high-performing teams
· Lead post-incident reviews and drive continuous improvement initiatives
Required Technical Skills:
· Strong experience of Cryptography in Payment cycle.
· Strong experience of Session Key Derivation and validation.
· Strong experience of Triple DES and Advanced Encryption Standard techniques.
· Strong understanding of Thales or equivalent Payment Validation HSM modules and its commands.
· Strong programming expertise in C and C++.
· Deep understanding of Unix/Linux systems, shell scripting, and system internals
· Strong understanding multi threading in C and Linux
· Experience with Multithreading and concurrency, Memory management and performance tuning, Socket programming / IPC mechanisms
· Knowledge of data structures, algorithms, and design patterns
· Familiarity with build tools (Make/CMake), debugging tools (gdb), gtest, and profiling tools.
· Strong experience of Github and Github Copilot.
· Strong experience of using Copilot with MCP servers.
All About you:
· Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent experience)
· Experience with Agile methodologies, strong understanding of DevOps practices and CI/CD pipelines
· Experience writing unit, integration, and system tests
· Experience designing distributed systems or high-scale enterprise applications
· Exposure to security standards (OWASP, secure coding practices).
· Experience in payment systems / transaction processing / financial domain
· Exposure to cloud-native or hybrid systems
· Knowledge of additional languages (Java/Python) is a plus
· Strong problem-solving and analytical skills
· Ability to drive decisions and manage technical trade-offs
· Excellent communication and stakeholder management
Click on Apply to know more.
