Principal Software Engineer (Python, Snowflake & SQL)

Are 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 RoleDTCC’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.As an Associate Director / Principal‑level engineer, you will combine hands‑on engineering expertise with technical leadership, driving delivery, strengthening design quality, and ensuring solutions meet resiliency, security, and control expectations. You will partner closely with business stakeholders and cross‑functional technology teams to deliver enhancements and improvements across an already modernized, data‑driven ecosystem.Your Primary Responsibilities:Technical Leadership & DeliveryProvide 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.Engineering Execution (Hands‑On)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.Risk, Controls & Operational ExcellenceEmbed 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.Stakeholder PartnershipPartner 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.QualificationsAt least 8 =10 years of related experience in software engineering, including enterprise application delivery.Bachelor’s degree preferred or equivalent professional experienceTalent Needed for SuccessStrong 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 SkillsSnowflake 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.The 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. With over 50 years of experience, DTCC is the premier post-trade market infrastructure for the global financial services industry. From 20 locations around the world, DTCC, through its subsidiaries, automates, centralizes, and standardizes the processing of financial transactions, mitigating risk, increasing transparency, enhancing performance and driving efficiency for thousands of broker/dealers, custodian banks and asset managers. Industry owned and governed, the firm innovates purposefully, simplifying the complexities of clearing, settlement, asset servicing, transaction processing, trade reporting and data services across asset classes, bringing enhanced resilience and soundness to existing financial markets while advancing the digital asset ecosystem. In 2024, DTCC’s subsidiaries processed securities transactions valued at U.S. $3.7 quadrillion and its depository subsidiary provided custody and asset servicing for securities issues from over 150 countries and territories valued at U.S. $99 trillion. DTCC’s Global Trade Repository service, through locally registered, licensed, or approved trade repositories, processes more than 25 billion messages annually. To learn more, please visit us at or connect with us on LinkedIn, X, YouTube, Facebook and Instagram. DTCC proudly supports Flexible Work Arrangements favoring openness and gives people freedom to do their jobs well, by encouraging diverse opinions and emphasizing teamwork. When you join our team, you’ll have an opportunity to make meaningful contributions at a company that is recognized as a thought leader in both the financial services and technology industries. A DTCC career is more than a good way to earn a living. It’s the chance to make a difference at a company that’s truly one of a kind.Learn more about Clearance and Settlement by clicking here.Serves as a dedicated technology resource for advancing DTCC’s business opportunities and providing industry thought leadership for leveraging new technology. The goal of this new department is to partner internally with IT, our business and regulatory divisions and externally with clients, regulators, and fintech vendors, to help build new platforms and business models to advance DTCC’s mission to support the financial markets.Full timePosting Date: 2026-09-08