Senior Software Engineer

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. It 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.

• 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 Dev Ops 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

• 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, No
  
  SQL a plus)
• Experience with CI/CD pipelines (Azure Dev Ops, Git Hub Actions), automated testing, and Dev Ops 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

• 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

The estimated salary range for this role is $ - $, 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.

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.

Wintrust may collect personal information from you in connection with the application process. Wintrust complies with the California Consumer Privacy Act of 2018, and its policy may be found here.  for Equal Opportunities.