Software Engineer Principal Sr (.Net Full Stack)

Position Overview At PNC, our people are our greatest differentiator and competitive advantage in the markets we serve. We are all united in delivering the best experience for our customers and fostering an inclusive workplace where employees feel respected, valued, and have the opportunity to contribute to the company’s success. As a Software Engineer Principal Sr within PNC’s CIB Midland organization, you will be based in Pittsburgh, PA, Dallas, TX, Overland Park, KS, or Littlerock, AK. We are seeking a strong Senior Software Engineer Principal to contribute to the design, development, and evolution of enterprise‑grade .NET applications. This role is hands‑on and delivery‑focused, with responsibility for influencing architecture within a defined domain rather than owning enterprise‑wide strategy. Key Responsibilities Design and implement scalable, resilient (.Active/Active aware) application components using .NET and modern frameworks. Contribute to service‑oriented and microservices‑based architectures, applying sound design principles and patterns. Develop and maintain RESTful APIs with clear documentation using Swagger/OpenAPI. Participate in legacy modernization efforts, including refactoring, incremental decomposition, and integration with newer services. Build and support containerized services using Docker, and collaborate with platform teams on orchestration and deployment patterns. Contribute to CI/CD pipelines (Jenkins, uDeploy, or equivalent), incorporating automated testing and security checks. Support event‑driven integrations using Kafka (or similar technologies). Work with relational and NoSQL data stores (including MongoDB or equivalent) to support scalable application designs. Act as a technical leader within the team, providing guidance on design decisions, code quality, and best practices. Mentor mid‑level and junior engineers through code reviews, design discussions, and day‑to‑day collaboration. Partner with QA and support teams to ensure performance, reliability, and operational readiness. Communicate technical designs and tradeoffs clearly to peers, product owners, and engineering leadership. Contribute to monitoring, logging, and observability solutions. Participate in production support, root cause analysis, and continuous improvement efforts. Apply secure coding practices and performance‑optimization techniques consistently. Required Skills & Experience Extensive hands‑on experience in .NET development within enterprise environments. Proven experience designing and building distributed or service‑based systems. Strong understanding of application architecture, design patterns, and integration strategies. Practical experience with Docker and CI/CD tooling (Jenkins, uDeploy, Azure DevOps, etc.). Experience with event streaming platforms (Kafka or similar) and NoSQL data stores. Solid grasp of software security, performance tuning, and scalability considerations. Demonstrated ability to work effectively with product owners, business analysts, and peer engineering teams. Strong problem‑solving skills and a proactive, delivery‑oriented mindset. Clear written and verbal communication skills for technical audiences. Experience with Kubernetes or other container orchestration platforms, on‑ or off‑premises. Familiarity with Agile/Scrum practices and tools such as Jira or Azure DevOps. Preferred Qualifications Experience deploying applications to cloud environments (Azure, AWS, or GCP). Experience supporting multi‑tenant systems or shared enterprise platforms. Understanding of enterprise compliance and data governance considerations. Prior experience contributing to API standards or shared platform components. Certifications (Nice to Have, Not Required) Microsoft Certified: Azure Developer or Solutions Architect (Associate or Expert) Kubernetes fundamentals or CKA (optional) Agile or Scrum certifications Benefits PNC offers a comprehensive range of benefits to help meet your needs now and in the future. Depending on eligibility, options for full‑time employees include medical/prescription drug coverage (with a Health Savings Account feature), dental and vision options; employee and spouse/child life insurance; short and long‑term disability protection; 401(k) with PNC match, pension and stock purchase plans; dependent care reimbursement account; backup child/elder care; adoption, surrogacy, and doula reimbursement; educational assistance, including select programs fully paid; and a robust wellness program with financial incentives. PNC generally provides the following paid time off: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year (unless otherwise required by law); and 15 to 25 vacation days each year, depending on career level and years of service. Disability Accommodations Statement If an accommodation is required to participate in the application process, please contact us via email at View email address on click.appcast.io. Please include "accommodation request" in the subject line title and be sure to include your name, the job ID, and your preferred method of contact in the body of the email. Emails not related to accommodation requests will not receive responses. Applicants may also call View phone number on click.appcast.io and say "Workday" for accommodation assistance. All information provided will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. Equal Employment Opportunity (EEO) PNC provides equal employment opportunity to qualified persons regardless of race, color, sex, religion, national origin, age, sexual orientation, gender identity, disability, veteran status, or other categories protected by law. This position is subject to the requirements of Section 19 of the Federal Deposit Insurance Act (FDIA) and, for any registered role, the Secure and Fair Enforcement for Mortgage Licensing Act of 2008 (SAFE Act) and/or the Financial Industry Regulatory Authority (FINRA), which prohibit the hiring of individuals with certain criminal history. Refer to the California Consumer Privacy Act Privacy Notice to gain understanding of how PNC may use or disclose your personal information in our hiring practices. #J-18808-Ljbffr