Principal Software Engineer – Mainframe Modernization & Cloud Platforms

MainframeMaster; Jersey City (NJ); Hybrid; USD 95,000 - 180,000; Full time

Benefits offered by this job

Comprehensive health and life insurance

Pension / Retirement benefits

Paid Time Off and leaves of absence

Job summary

MainframeMaster is looking for a Principal Software Engineer to lead the modernization of the Collateral Fund Management platform in Jersey City, United States. This role involves transforming legacy COBOL systems into modern cloud-based solutions while ensuring compliance with financial controls.

The successful candidate will have at least 8 years of experience in enterprise software engineering and expertise in Java, cloud platforms, and microservices architecture. DTCC offers a flexible/hybrid work model to encourage productivity and work-life balance.

Qualifications

• Minimum 8+ years of related experience in enterprise software engineering.
• Demonstrated experience delivering large-scale technology solutions.
• Hands-on experience modernizing legacy systems into cloud-based architectures.

Responsibilities

• Lead the end-to-end delivery of CFM modernization initiatives.
• Drive the transformation of legacy COBOL and mainframe processing.
• Provide architectural and design governance aligning with standards.

Skills

Java

COBOL

Spring Boot

microservices

AWS

Education

Bachelor's degree or equivalent professional experience

Job description

# Principal Software Engineer – Mainframe Modernization & Cloud PlatformsDTCCFull-timeJersey City, United StatesUSD 95,000 - 180,0003 viewsPosted June 5, 2026## Job DescriptionJOB DESCRIPTIONAre you ready to make an impact at DTCC?Do you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development? At DTCC, we are at the forefront of innovation in the financial markets. We are committed to helping our employees grow and succeed. We believe that you have the skills and drive to make a real impact. We foster a thriving internal community and are committed to creating a workplace that looks like the world that we serve.The Information Technology group delivers secure, reliable technology solutions that enable DTCC to be the trusted infrastructure of the global capital markets. The team delivers high-quality information through activities that include development of essential, building infrastructure capabilities to meet client needs and implementing data standards and governance.Pay and Benefits:Competitive compensation, including base pay and annual incentiveComprehensive health and life insurance and well-being benefits, based on locationPension / Retirement benefitsPaid 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).The Impact You Will Have in This RoleThe FinSight organization delivers critical technology platforms that support DTCC’s risk management, treasury, and clearing operations. Within FinSight, the Collateral Fund Management (CFM) platform is foundational to DTCC’s financial resilience, supporting internal treasury users and external clients in managing collateral funds used to absorb losses if a clearing participant defaults.As a Principal Software Engineer / Assistant Director, you will provide technical, delivery, and operational leadership for the modernization of CFM batch and mainframe processing. You will lead the transformation of legacy **COBOL** and mainframe‐centric batch flows into modern, **cloud**‐based, distributed solutions, while preserving business rules, financial controls, resiliency, and regulatory integrity.This role is accountable for driving and de‐risking end‐to‐end modernization delivery, strengthening architectural and design governance, and aligning CFM transformation initiatives with DTCC’s broader enterprise modernization strategy. You will also mentor and guide technical and delivery teams across multiple modernization initiatives to ensure stable, compliant, and business‐critical outcomes.Your Primary Responsibilities:Lead the end‐to‐end delivery of CFM batch and mainframe modernization initiativesDrive the transformation of legacy **COBOL** and mainframe‐centric batch processing to modern, distributed, **cloud**‐based solutionsProvide architectural and design governance to ensure solutions align with DTCC standards and long‐term strategyStrengthen transparency and observability across batch processing ecosystemsCoordinate cross‐functional execution across engineering, QA, infrastructure, architecture, and business teamsEnsure financial controls, regulatory compliance, risk management, and resiliency are embedded into all solutionsMentor and guide technical and delivery teams, promoting high standards of engineering and executionDe‐risk modernization delivery by identifying architectural, operational, and execution challenges earlySupport business‐critical application delivery while reducing the overall mainframe footprintQualificationsMinimum 8+ years of related experience in enterprise software engineering, platform modernization, or large‐scale systemsBachelor’s degree preferred or equivalent professional experienceTalent Needed for SuccessDemonstrated experience delivering large‐scale, enterprise‐wide technology solutions in complex environmentsHands‐on experience modernizing legacy or mainframe systems into **cloud**‐based or distributed architecturesProven ability to reduce dependency on legacy batch processing and simplify fragmented technology ecosystemsStrong architectural mindset with experience strengthening design and governance standardsAbility to improve transparency, monitoring, and observability across complex systemsExperience aligning modernization initiatives with broader enterprise technology strategyTechnical & Delivery StrengthsStrong working knowledge of **Java** and **Spring Boot**Experience designing and operating **microservices**‐based, distributed batch architecturesHands‐on experience with **AWS** **cloud** platformsFamiliarity with Agile delivery practices; exposure to AI‐driven development approaches is a plusLeadership & CollaborationStrong communication skills with the ability to engage both technical and non‐technical stakeholdersProven ability to mentor, guide, and influence teams across multiple disciplinesComfortable operating with senior leadership and business stakeholdersDemonstrated conflict‐resolution and decision‐making capabilitiesAbility to learn quickly, operate through ambiguity and change, and help teams navigate transformationThe salary range is indicative for roles at the same level within DTCC across all US locations. Actual salary is determined based on the role, location, individual experience, skills, and other considerations. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.