Backend Software Engineer

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title And Summary
Backend Software Engineer

Backend Software Engineer

Overview
Cyber Quant is a data-driven cyber risk platform that continuously analyzes an organization's security posture against real-world threat intelligence. By integrating with existing security controls, ingesting contextual business data, and automating risk modeling, the platform delivers precise, actionable insights that help organizations prioritize threats, quantify their potential business impact, reduce risk, and measure the effectiveness of mitigation strategies.

Role

Cyber Quant is looking for a Backend Software Engineer to join our growing team. You'll help design and build a complex SaaS platform that integrates with security systems, on-prem tools, and a powerful calculation engine, all while providing the best user experience. In our team, you'll work closely with colleagues across Product, Cyber, DevOps, and QA to continuously deliver impact. It's a startup vibe inside a big company: fast-moving, hands-on, and full of opportunities to grow. You'll deepen your skills in architecture, scalability, and secure system design — and help shape something that matters.

As a Backend Software Development Engineer, You Will

• Plan and design high-quality backend solutions, ensuring quality through strong architecture and comprehensive testing.
• Build various core components integrated as a whole product:
• Extensive and stable integration solutions to both internal and external cyber sources and systems.
• Improve, validate, and innovate algorithms, calculations and analytics throughout all system components and integration points.
• Work in a fast-paced and agile work environment with business-oriented delivery focus.
• Communicate with team members, other technical teams and management to collect requirements, identify tasks, provide estimates and meet production deadlines
• Proactively self-learn, maintain, and troubleshoot all existing system components to ensure smooth and reliable operation.
• Review and rewrite legacy code to latest technologies.

All About You

• As an experienced .NET developer, you will be responsible for designing and maintaining efficient and scalable server-side components using C#.
• Experience in relational databases (e.g. SqlServer), including complex
• Proven experience as a Backend Software Engineer
• Experience and knowledge in various types of products, architectures and deployment environments
• Experience building complex and large scale Web\SaaS (AWS) solution to operational - a plus
• Experience developing and delivering in Microsoft Tech-Stack environments

queries and performance optimizations - NoSQL databases is plus (e.g. MongoDB)

• Analytical mind with problem-solving, persistent and creative aptitude
• Ability to work independently and react quickly
• Excellent organizational and leadership skills
• Bachelor's degree in Computer Science or equivalent experience

Ideal Candidate Qualifications

• Minimum 6 years of work experience in the job role
• Experience in .NET, C#, SQL Server development
• Development experience in various products and complex systems
• Detail oriented with ability to communicate across various organization levels
• Strong problem solving skills with ability to describe logic and approach and coach team members in overcoming development obstacles
• Positive, growth mindset and desire to lead from the front
• Worked on one or more Cloud Platforms: AWS, Azure, and other cloud platforms
• Experience writing unit tests - TDD major advantage
• Knowledge of various operating systems: Linux\Unix, Windows, Mac, Mobile devices

Who is Mastercard?

Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.