Wintrust provides community and commercial banking, specialty finance and wealth management services through its 16 bank charters and nine non-bank businesses. Wintrust delivers the sophisticated solutions of a large bank while staying true to the relationship-focused, personalized service of our community banking roots. We serve clients in all 50 states with more than 200 branch banking locations in Illinois, southwestern Florida, northwestern Indiana, west Michigan and southern Wisconsin and commercial banking offices in Chicago, Denver, Milwaukee, Grand Rapids, Mich., and in key branch banking locations throughout Illinois. Our people are the heart of our business and we are proud to rank consistently as a top place to work. Wintrust is a $66 billion financial institution based in Rosemont, Illinois, and listed on the NASDAQ Global Select Market under the symbol “WTFC.”
Why join us?
An award-winning culture! We are rated a Top Workplace by the Chicago Tribune (past 12 years) and Employee Recommended award by the Globe & Mail (past 6 years)
Competitive pay and discretionary or incentive bonus eligible
Comprehensive benefit package including medical, dental, vision, life, a 401k plan with a generous company match and tuition reimbursement to name a few
Promote from within culture
Why join this team?
This position has the opportunity to interface with and have a positive impact on multiple areas of Wintrust's business
We hold ourselves accountable to high standards, share wins, operate ethically, and have fun
Highly autonomous role, with the ability to make a significant impact
Agile environment
Great opportunity for career growth and development
Position Overview
The Senior Software Engineer (.NET) is a senior technical resource responsible for the architecture, design, development, and maintenance of enterprise applications primarily built on the Microsoft technology stack. This role leads solution design, converts business requirements into scalable system designs, and drives high-quality implementation across distributed systems.
This is a senior-level position that provides technical leadership for a pod of engineers (up to 5), ensuring delivery of robust, secure, and maintainable solutions. The role partners closely with architects, product owners, and cross-functional teams to deliver business-critical systems. Salesforce experience is strongly preferred in environments where .NET services integrate with or extend CRM workflows. This is a remote role, reporting directly to the Software Development Manager.
What You’ll Do
Lead design and development of scalable, high-performance applications using C# and .NET (Core/Framework)
Provide technical leadership to a team of 3–5 engineers including task assignment, mentoring, and code quality oversight
Translate business and system requirements into technical designs, APIs, and services
Drive architecture decisions including microservices, event-driven systems, and cloud-native patterns
Design and implement integration layers between .NET systems and Salesforce (REST/SOAP APIs, middleware, event streaming)
Write and review technical specifications, ensuring alignment with enterprise standards
Conduct advanced code reviews and enforce best practices (SOLID, clean architecture, testability)
Implement and maintain CI/CD pipelines, automated testing, and DevOps practices
Collaborate with cross-functional teams including Salesforce developers, architects, and product owners
Provide production support and lead root cause analysis for complex issues across distributed systems
Participate in the full SDLC with strong emphasis on design, quality, and delivery
Qualifications
5 – 8 years of software engineering experience with strong focus on C# and .NET (Core preferred)
Proven experience leading small engineering teams or pods
Deep expertise in object-oriented design, design patterns, and distributed systems architecture
Strong experience with RESTful API design, service orchestration, and integration patterns
Solid understanding of database design (SQL Server, NoSQL a plus)
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions), automated testing, and DevOps practices
Salesforce (Preferred)
Experience integrating .NET applications with Salesforce via REST/SOAP APIs, Platform Events, or middleware (e.g., Mulesoft)
Familiarity with Salesforce data model, security model, and governor limits as they relate to external integrations
Exposure to Apex, Flows, and Lightning components to effectively collaborate with Salesforce engineering teams
Experience designing hybrid architectures (.NET services + Salesforce platform) for enterprise workflows
Understanding of data synchronization patterns, error handling, and retry strategies across platforms
Strong troubleshooting, performance tuning, and debugging skills across multi-system environments
Effective communicator capable of working across business and technical teams
Ability to operate in fast-paced environments with evolving requirements
Benefits
Medical Insurance • Dental • Vision • Life insurance • Accidental death and dismemberment • Short-term and long-term Disability Insurance • Parental Leave • Employee Assistance Program (EAP) • Traditional and Roth 401(k) with company match • Flexible Spending Account (FSA) • Employee Stock Purchase Plan at 5% discount • Critical Illness Insurance • Accident Insurance • Transportation and Commuting Benefits • Banking Benefits • Pet Insurance
Compensation
The estimated salary range for this role is $117,000.00 - $158,000.00, along with eligibility to earn an annual bonus. Actual salaries may vary based on several factors, such as a candidate’s qualifications, skills and experience.
From our first day in business, Wintrust has been proud to serve a variety of unique communities and people from all walks of life. To build a company that reflects the communities we serve, we believe that fostering a unique and inclusive workplace where everyone feels valued and empowered to succeed will support our ongoing success. Wintrust Financial Corporation, including community banking and financial services subsidiaries, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information, and other legally protected categories.
