Senior Full-Stack Engineer - ATM Infrastructure

Citi • Florence, KY

3d • Onsite

About The Position

Citi is seeking a Senior Full-Stack Engineer - ATM Infrastructure within the ATM Technology team, responsible for the design, development, and lifecycle management of enterprise-grade ATM applications and supporting infrastructure. The engineer will play a dual role contributing hands-on technical delivery while also providing leadership and oversight of lab environments, connectivity management, and fleet expansion initiatives. This position sits at the intersection of financial services technology and distributed systems engineering, where alignment with architectural standards and cross-team collaboration are essential. Professionals in this space will find the role reflective of senior engineering standards practiced across leading financial institutions and enterprise technology firms.

Requirements

• 6+ years' software or network engineering experience with demonstrable expertise in ATM application development or comparable enterprise financial technology platforms.
• Working knowledge in Java programming.
• Proven experience managing network firewall rules, connectivity configurations, or infrastructure-level security controls within enterprise or financial services environments.
• Hands-on experience with lab environment management, including asset tracking, process governance, and coordination across geographically distributed facilities.
• Demonstrated ability to work on complex, high-availability enterprise applications with a focus on reliability, scalability, and security.
• Experience with ATM hardware ecosystems or financial services channel technology, including knowledge of vendor integration (e.g., hardware manufacturers and ATM fleet systems).
• Demonstrated leadership capabilities, including the ability to mentor engineers, drive technical initiatives, and influence cross-functional development teams.
• Excellent communication and interpersonal skills, with the ability to articulate complex technical concepts to diverse stakeholders across organizational levels.

Nice To Haves

• Angular

Responsibilities

• Design, develop, and implement robust, scalable ATM applications, contributing across the full software development lifecycle from conceptualization through deployment and maintenance.
• Build responsive and intuitive user interfaces using Angular, and develop back-end services and APIs using Java.
• Manage and review ATM Channel Firewall Rules and govern all network connectivity ensuring security and operational continuity.
• Oversee all lab functions and activity within designated facilities, including lab asset management, process governance, and continuous oversight of global lab environments across NAM and India.
• Lead efforts to expand the ATM fleet footprint, including the integration and testing of new hardware vendors.
• Collaborate closely with multiple development teams to ensure seamless integration and alignment with overall architectural goals and enterprise standards.
• Provide technical leadership and mentorship, fostering a culture of engineering best practices, innovation, and continuous improvement.
• Contribute to the evaluation, planning, and execution of testing and development activities within lab environments supporting the ATM channel.

Benefits

• medical, dental & vision coverage
• 401(k)
• life, accident, and disability insurance
• wellness programs
• paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree