Senior Software Engineer

About the role

Wintrust is a $66 billion financial institution delivering community and commercial banking, specialty finance, and wealth management services through 16 bank charters and nine non-bank businesses. This remote Senior Software Engineer (.NET) role reports directly to the Software Development Manager and provides technical leadership for a pod of 3–5 engineers, ensuring delivery of robust, secure, and maintainable enterprise applications primarily built on the Microsoft technology stack. Salesforce experience is strongly preferred in environments where .NET services integrate with or extend CRM workflows.

Responsibilities

• 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

Requirements

• 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

Skills

• Salesforce integration experience: 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 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 communication across business and technical teams
• Ability to operate in fast-paced environments with evolving requirements

Benefits

• Medical, dental, and vision insurance
• Life insurance and accidental death and dismemberment coverage
• 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 and accident insurance
• Transportation and commuting benefits
• Banking benefits
• Pet insurance
• Tuition reimbursement

Pay

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 qualifications, skills, and experience.