Principal Software Engineer (Python, Snowflake & SQL)

The Role

At DTCC, we are dedicated 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.

About the role

DTCC's technology organization builds and supports applications that are critical to risk management and the safe, resilient operation of financial markets. In this role, you will contribute to a liquidity risk platform and related applications that support liquidity risk management capabilities within the FinSight organization.

Responsibilities

• Provide day-to-day technical leadership across one or more business applications, including solution design and implementation oversight.
• Coach and mentor engineers, supporting skill development and strong engineering practices.
• Drive end-to-end delivery from design through deployment, ensuring success criteria such as data integrity, reliability, and maintainability are met.
• Support delivery planning, including effort and cost estimation for modules and initiatives.
• Build and enhance enterprise applications using Python (API and service development; multithreading where applicable) and modern engineering patterns.
• Design and implement Snowflake-based data solutions, including writing production-grade SQL and working with Snowflake objects (tables, views, roles, warehouses).
• Support end-to-end workflows that integrate UI ↔ API ↔ Data Warehouse, demonstrating a strong delivery and operational mindset.
• Embed a risk management mindset into delivery, incorporating resiliency, security, and control considerations.
• Anticipate delivery risks and proactively solve problems to support stable outcomes.
• Follow established procedures and monitoring controls; demonstrate strong ethical behavior and attention to risk.
• Partner with business stakeholders and business architecture to identify opportunities, drive innovation, and re-imagine capabilities.
• Communicate clearly with both technical and non-technical partners and operate effectively across locations and teams.

Qualifications

• At least 8 =10 years of related experience in software engineering, including enterprise application delivery.
• Bachelor’s degree preferred or equivalent professional experience.
• Strong SQL experience is required (writing complex SQL, good grasp of operational/analytical and warehousing concepts, working with large data sets).
• Snowflake experience is preferred, working with Snowflake objects (roles, warehouses).
• Python experience building enterprise applications (API/service development; multithreading is a plus).
• Familiarity with Angular or similar UI development frameworks is a plus.
• Experience delivering end-to-end workflows spanning UI, APIs, and data warehouse layers.
• Strong analytical and problem-solving skills with clear, effective communication.
• Ability to mentor and guide other engineers with a leadership mindset.

Talent Needed for Success

• Strong SQL experience is required (writing complex SQL, good grasp of operational/analytical and warehousing concepts, working with large data sets).
• Snowflake experience is preferred, working with Snowflake objects (roles, warehouses).
• Python experience building enterprise applications (API/service development; multithreading is a plus).
• Familiarity with Angular or similar UI development frameworks is a plus.
• Experience delivering end-to-end workflows spanning UI, APIs, and data warehouse layers.
• Strong analytical and problem-solving skills with clear, effective communication.
• Ability to mentor and guide other engineers with a leadership mindset.

Preferred Skills

• Snowflake performance tuning (warehouse sizing, query optimization, clustering strategies).
• Familiarity with CI/CD, containerization, and cloud exposure (AWS preferred).
• Experience building internal tools, dashboards, or data products.
• FastAPI or modern Python framework patterns.
• Familiarity with liquidity risk or fixed income / financial markets is a plus.

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.

Pay and Schedule

We offer 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).