Principal Software Engineer – Mainframe Modernization & Cloud Platforms

DTCC • Jersey City, NJ

2h • Hybrid

About The Position

At DTCC, we are at the forefront of innovation in the financial markets, committed to helping employees grow and succeed. The Information Technology group delivers secure, reliable technology solutions that enable DTCC to be the trusted infrastructure of the global capital markets, focusing on development, infrastructure capabilities, data standards, and governance. The FinSight organization delivers critical technology platforms supporting DTCC’s risk management, treasury, and clearing operations. Specifically, the Collateral Fund Management (CFM) platform is foundational to DTCC’s financial resilience, assisting internal treasury users and external clients in managing collateral funds. As a Principal Software Engineer / Assistant Director, this role involves providing technical, delivery, and operational leadership for the modernization of CFM batch and mainframe processing. The position entails leading the transformation of legacy COBOL and mainframe-centric batch flows into modern, cloud-based, distributed solutions, while ensuring business rules, financial controls, resiliency, and regulatory integrity are maintained. This role is also responsible for driving and de-risking end-to-end modernization delivery, enhancing architectural and design governance, and aligning CFM transformation initiatives with DTCC’s broader enterprise modernization strategy. Additionally, the Principal Software Engineer will mentor and guide technical and delivery teams across multiple modernization initiatives to achieve stable, compliant, and business-critical outcomes.

Requirements

• Minimum 8+ years of related experience in enterprise software engineering, platform modernization, or large‑scale systems
• Bachelor’s degree preferred or equivalent professional experience
• Demonstrated experience delivering large‑scale, enterprise‑wide technology solutions in complex environments
• Hands‑on experience modernizing legacy or mainframe systems into cloud‑based or distributed architectures
• Proven ability to reduce dependency on legacy batch processing and simplify fragmented technology ecosystems
• Strong architectural mindset with experience strengthening design and governance standards
• Ability to improve transparency, monitoring, and observability across complex systems
• Experience aligning modernization initiatives with broader enterprise technology strategy
• Strong working knowledge of Java and Spring Boot
• Experience designing and operating microservices‑based, distributed batch architectures
• Hands‑on experience with AWS cloud platforms
• Familiarity with Agile delivery practices
• Strong communication skills with the ability to engage both technical and non‑technical stakeholders
• Proven ability to mentor, guide, and influence teams across multiple disciplines
• Comfortable operating with senior leadership and business stakeholders
• Demonstrated conflict‑resolution and decision‑making capabilities
• Ability to learn quickly, operate through ambiguity and change, and help teams navigate transformation

Nice To Haves

• Exposure to AI‑driven development approaches is a plus

Responsibilities

• Lead the end‑to‑end delivery of CFM batch and mainframe modernization initiatives
• Drive the transformation of legacy COBOL and mainframe‑centric batch processing to modern, distributed, cloud‑based solutions
• Provide architectural and design governance to ensure solutions align with DTCC standards and long‑term strategy
• Strengthen transparency and observability across batch processing ecosystems
• Coordinate cross‑functional execution across engineering, QA, infrastructure, architecture, and business teams
• Ensure financial controls, regulatory compliance, risk management, and resiliency are embedded into all solutions
• Mentor and guide technical and delivery teams, promoting high standards of engineering and execution
• De‑risk modernization delivery by identifying architectural, operational, and execution challenges early
• Support business‑critical application delivery while reducing the overall mainframe footprint

Benefits

• Competitive compensation, including base pay and annual incentive
• Comprehensive health and life insurance and well-being benefits, based on location
• Pension / Retirement benefits
• Paid Time Off and Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.
• DTCC offers a flexible/hybrid model of 3 days onsite and 2 days remote (onsite Tuesdays, Wednesdays and a third day unique to each team or employee).

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Number of Employees: 1,001-5,000 employees