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Posted May 16, 2026

Software Engineer Senior, C++, Unix, Payments

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Are you a highly skilled and experienced Software Engineer with a passion for developing cutting-edge solutions? Do you have a strong background in C++ and Unix, as well as a deep understanding of the payments industry? If so, we have an exciting opportunity for you at Fidelity National Information Services (FIS). As a Senior Software Engineer, you will play a critical role in designing and implementing innovative payment solutions for our clients. Join our dynamic team and make a significant impact in the ever-evolving world of financial technology. To be successful in this role, you must possess a strong technical background, a collaborative mindset, and a drive for continuous learning. If this sounds like you, we encourage you to apply and become a part of our FIS family. Design and develop high-quality, scalable, and secure payment solutions using C++ and Unix. Collaborate with cross-functional teams to understand business requirements and translate them into technical designs. Conduct thorough testing and debugging of software to ensure the highest level of quality. Stay up-to-date with industry trends and advancements in technology to continuously improve and enhance payment solutions. Troubleshoot and resolve complex technical issues in a timely and efficient manner. Mentor and provide technical guidance to junior software engineers. Follow best practices and coding standards to ensure consistency and maintainability of code. Participate in code reviews and provide constructive feedback to team members. Communicate project status, issues, and risks to project managers and stakeholders. Collaborate with product owners to prioritize and plan software development tasks. Continuously seek opportunities to improve processes and optimize software performance. Adhere to FIS's security and compliance standards. Maintain thorough documentation of software designs and code changes. Attend and participate in team meetings and contribute to a positive and collaborative work environment. Demonstrate a strong work ethic and a commitment to delivering quality software solutions. Fidelity National Information- FIS is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. Apply tot his job Apply To this Job