Dotnet Developer

Encore Talent Solutions; Schaumburg (IL); On-site; USD 90,000 - 130,000; Full time

Job summary

Encore Talent Solutions in Schaumburg, IL is seeking a Full-Stack Application Developer to design, build, and evolve enterprise business applications using .NET / .NET Core, C#, REST APIs, and modern UI frameworks.

The role emphasizes maintaining existing systems, implementing new features, and supporting CI/CD pipelines, testing, and deployment, with emphasis on security and performance.

Qualifications

• 5+ years of full-stack or enterprise app development experience.
• Proficiency with .NET/.NET Core and C#.
• Experience building RESTful APIs and microservices.
• Strong SQL skills with SQL Server or relational databases.

Responsibilities

• Design, develop, and maintain full-stack apps using .NET / .NET Core, C#, RESTful APIs, and UI frameworks.
• Maintain and enhance existing applications and shared libraries.
• Implement new features aligned with business processes and workflows.
• Troubleshoot production issues and provide ongoing support.
• Ensure security, performance, and architectural standards; participate in CI/CD and deployments.

Skills

C#/.NET Core

EF Core

REST APIs

SQL Server

Angular

OAuth/JWT

Git/GitHub

CI/CD

Azure DevOps

Docker

Tools

Angular

React

Vue

EF Core

SQL Server

Azure

Job description

We are seeking a Full-Stack Application Developer to join our dynamic team. In this role, you will play a key part in supporting and evolving enterprise business applications while delivering scalable, high-performance solutions for mission-critical systems. You will collaborate with cross-functional teams and stakeholders in a fast-paced environment to translate complex business requirements into maintainable, high-quality technical solutions.

Key Responsibilities

• Design, develop, and maintain full-stack applications using .NET / .NET Core, C#, RESTful APIs, and modern UI frameworks
• Maintain and enhance existing applications, frameworks, and shared libraries
• Design and implement new features aligned with business processes and workflows
• Troubleshoot production issues and provide ongoing application support
• Ensure compliance with security, performance, and architectural standards
• Contribute to modernization initiatives, including framework evolution and technical debt reduction
• Collaborate with cross-functional teams to define, design, and deliver high-quality solutions
• Participate in code reviews, testing, CI/CD, and deployment processes

Required Qualifications

• Proficiency in .NET / .NET Core, C#
• Experience with Entity Framework Core (EF Core) and ORM best practices
• Proven ability to design and build RESTful APIs and microservices architectures
• Strong SQL experience with SQL Server or other relational databases, including query optimization and indexing
• Experience with modern front-end frameworks (Angular strongly preferred; React or Vue acceptable)
• Familiarity with authentication and authorization frameworks (OAuth, JWT)
• Experience with Git-based version control (GitHub, Azure DevOps)
• Strong problem-solving and analytical skills
• Excellent communication and teamwork abilities
• Ability to work independently and collaboratively
• 5+ years of experience in full-stack or enterprise application development

Preferred Qualifications

• Experience with Angular and component-based UI architecture
• Familiarity with UI frameworks such as Angular Material or Bootstrap
• Experience with CI/CD pipelines (GitHub Actions, Azure DevOps)
• Exposure to Docker and cloud platforms (Azure preferred)
• Experience with microservices, distributed systems, and event-driven architectures
• Knowledge of API gateways and service orchestration
• Familiarity with automated testing frameworks (unit, integration, end-to-end)
• Understanding of secure coding practices and enterprise security standards
• Experience with AI-assisted development tools such as GitHub Copilot
• Exposure to AI/ML integration or interest in AI-driven development workflows
• Prior experience in insurance, underwriting systems, or complex business-rule environments
• Experience supporting legacy system modernization initiatives