Engineer Sr Lead, Software

FIS • Jacksonville, FL

3d

About The Position

FIS is hiring a Senior Lead Software Engineer for Revenue Connect, its next-generation cloud platform for commercial pricing and billing. The platform is being built with AWS, modern UI/UX patterns, and event-driven, API-first services to modernize commercial pricing and billing for banks. The role is hands-on in designing, building, and operating distributed services, contributing to AI-powered capabilities, influencing component-level architecture, mentoring junior engineers, and supporting integrations and platform growth.

The engineer will implement and integrate AI capabilities, advocate for safe and governed use of models and data, and help the team adopt AI-accelerated engineering practices. The role partners with product and principal engineers and works cross-functionally to build reliable, secure, and scalable financial software. It includes production support through participation in an on-call rotation and ownership of production issues through investigation, resolution, and prevention.

Requirements

• Bachelor's degree in computer science or equivalent experience.
• Typically, at least 5 years of relevant professional experience, or a combination of work experience and advanced education.
• Proven experience shipping AI-enabled features in production, such as model-driven decisions, anomaly detection, forecasting or optimization, or LLM-powered experiences, plus MLOps practices.
• Proficiency in at least one modern development framework or language, such as Java.
• Excellent communication and cross-functional collaboration skills.
• Experience leading projects from architectural design through production and maintaining high technical standards across a team.
• Expertise in at least one area relevant to a cloud-based financial platform, such as fintech, distributed systems, databases, security, or front-end development.
• Security, privacy, and compliance knowledge for financial data, including encryption, least privilege, secrets management, auditability, and AI safety.
• Experience with version control systems such as Git and DevOps practices such as continuous integration and continuous delivery.
• A track record of leading projects from architecture to production, influencing cross-functional stakeholders, and mentoring engineers.

Nice To Haves

• Ability to self-direct technical work and scope projects effectively.
• Experience leading and mentoring junior engineers.
• Strong communication and collaboration skills for influencing technical and non-technical stakeholders.
• Deep expertise in an area relevant to a cloud-based financial platform, such as fintech, distributed systems, databases, security, or front-end development.
• Proficiency in modern development frameworks and languages, such as Java.
• Experience with Git and DevOps practices such as continuous integration and continuous delivery.
• Strong understanding of security best practices for enterprise applications.
• Prior work in fintech, billing or analysis systems, or large-scale anomaly detection or optimization problems.
• Hands-on experience integrating LLMs, RAG pipelines, model evaluation, or anomaly detection into production systems.

Responsibilities

• 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 AI-powered capabilities in collaboration with product and principal engineers.
• 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-quality end-user experience.
• Conduct code and design reviews to promote maintainability, security, performance, and AI safety.
• Write unit and integration tests, implement observability, and follow build and deployment best practices.
• Participate in the team on-call rotation and own production issues from root cause analysis through resolution and prevention.
• Partner with engineering, product, design, security, compliance, and other cross-functional teams.
• Mentor junior engineers and contribute to team knowledge sharing and AI upskilling.

Benefits

• Flexible and creative work environment.
• Diverse and collaborative atmosphere.
• Professional and personal development resources.
• Opportunities to volunteer and support charities.
• Competitive salary and benefits.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior