Senior Software Development Engineer II

Job Description

Job Posting Description

As the world works and lives faster, FIS is leading the way. Our fintech solutions touch nearly every market, company and person on the planet. Our teams are inclusive and diverse. Our colleagues work together and celebrate together. If you want to advance the world of fintech, we’d like to ask you: Are you FIS?

About the team:

We are the FIS Automated Finance team, and we build software to unlock intelligent cash management, Accounts Payable (AP), and Accounts Receivables (AR) for some of the largest companies in the world. We are recognized as an industry leader for Order-to-Cash, utilizing ML and AI for intelligent automation, and AP optimization using Virtual Cards, but we’re not stopping there. We are building new features for our customers, accelerating time-to-value, and unlocking AP & AR services for the larger FinTech platform, to enable developers across all verticals to easily consume our services.

About the role:

We are looking for a Senior Software Development Engineer to help us build a brand-new financial technology platform for the future. We look for people who operate like owners, who love to learn, have grit, and operate with integrity and empathy. You're encouraged to apply even if your experience doesn't precisely match the job description. Your skills and passion will stand out — and set you apart. We welcome diverse perspectives and people who are not afraid to challenge assumptions.

Note: We have a hybrid work environment in our Seattle/Bellevue office unless the role or business dictates otherwise.

What you will be doing:

• Translate complex or ambiguous requirements into clean, maintainable, scalable, and well documented code.
• Design, develop, and maintain software applications and systems that provide value to end-users.
• Implement and optimize algorithms, data usage, and cloud services for latency, availability, and cost.
• Debug and troubleshoot software issues to ensure business continuity, and a high bar for end-user experience.
• Participate in code reviews to ensure code quality, maintainability, security, scalability, and adherence to coding standards.
• Write unit & integration tests, implement observability, and comply with best practices for builds and deployment to ensure the quality and reliability of our platform.
• Provide live on-call support by participating in the team on-call rotation and owning production issues from root cause analysis to resolution to future prevention.
• Partner with cross-functional teams (engineering, product, design, security, compliance etc.) to bring ideas to life
• Set and maintain high standards of technical excellence across the team.
• Mentor junior engineers and help hire new talent to build a stronger team.

What you will need:

• At a minimum, a Bachelor's in CS or equivalent education, and either 3+ years of relevant professional experience or advanced degree such as a master’s or PhD.
• Proficiency in at least one modern development framework / language (e.g., Java, Python, Go).
• Excellent communication and cross-functional collaboration skills to thrive in a fast-paced environment.
• Experience leading projects from architectural design to production, while setting and maintaining high standards of technical excellence across your team.
• Expertise in at least one area relevant to our cloud-based financial platform (e.g., fintech, distributed systems, databases, security, or front-end).

Added bonus if you have:

• Typical qualifications for the role are 7+ years of relevant professional experience or a combination of work experience and advanced education.
• A demonstrable ability to lead and mentor engineers, fostering a culture of collaboration and innovation.
• A history of leading significant technical initiatives and delivering impactful results.
• Experience in building and scaling high-performance engineering teams.
• Experience with live on-call and 24/7 operation of production services
• Excellent communication and collaboration skills to influence both technical and non-technical stakeholders.
• Experience with cloud platforms (AWS, Azure, GCP).
• Experience with version control systems (Git), and DevOps practices like continuous integration and continuous delivery (CI/CD).
• A strong understanding of security best practices for building enterprise applications.

What we offer you:

At FIS, we hire the best. In return, you receive exceptional benefits including:

• Opportunities to innovate in fintech.
• Tools for personal and professional growth.
• Inclusive and diverse work enviro