Senior .NET Full Stack Developer

CFS, Inc.

Oak Brook, IL, United States

23 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

10 years minimum

Compensation

$110,000.0 - $140,000.0

Working hours

Regular working hours

Job source

careerlink.com

Tech stack

.NET Framework Application Programming Interfaces (APIs) Applications Architecture Application Services Microsoft Azure C Sharp (Programming Language) Code Review Information Systems Data Integrity Data Security Database Design Database Queries

+20 more

Software Design Patterns DevOps Design of User Interfaces Microsoft SQL Server Performance Tuning Query Optimization Power BI Software Engineering SQL Stored Procedures SQL Server Reporting Services Web Applications .NET Core ReactJS Blazor Database Optimization Software Security AngularJS Material UI Information Technology Api Design

Job description

Design, develop, and maintain enterprise-grade web applications and APIs using .NET Core and C#, with a strong emphasis on clean, maintainable, and high-performance code.
Write well-structured, testable, and documented .NET code following established development standards and design patterns.
Build responsive, user-friendly, and accessible UI components using Angular, React, or Blazor, with a focus on usability and user experience.
Develop, maintain, and optimize SQL Server databases, including complex queries, stored procedures, indexing strategies, and performance tuning.
Ensure efficient and reliable data access layers between application services and SQL Server.
Collaborate with business stakeholders to translate requirements into effective UI designs and functional application solutions.
Develop and maintain Power BI dashboards and SSRS reports supporting operational and regulatory needs.
Integrate internal applications with external systems, data providers, and regulatory platforms.
Ensure application security, data integrity, and compliance with HIPAA, SOC 2, and industry best practices.
Participate in code reviews, architectural discussions, and technical solution design.
Support CI/CD pipelines and DevOps best practices using Azure DevOps.
Mentor junior developers and promote best practices across the development team.

Requirements

Bachelor’s degree in Computer Science, Information Systems, or a related field.
10+ years of professional experience in enterprise software development, preferably in regulated industries such as insurance or finance.
Expert-level experience with .NET Core and C#, including API development and application architecture.
Strong hands-on expertise with SQL Server, including performance tuning, query optimization, and database design.
Proven experience developing modern front-end applications using Angular, React, or Blazor.
Experience building and supporting Power BI dashboards and SSRS reports.
Strong understanding of application security, data protection, and compliance requirements.
Excellent analytical, problem-solving, and communication skills with the ability to work across technical and business teams.