Full-Stack Engineer — .NET Core & React API Specialist

Renaissancelearning Nam; United States; On-site; USD 82,000 - 113,000; Full time

Benefits offered by this job

World Class Health Benefits

401(k) and Roth 401(k) with company

Paid Vacation and Sick Time Off

12 Paid Holidays

Parental Leave & Milk Stork program

Tuition Reimbursement

Life & Disability Insurance

Well-being and Employee Assistance

Job summary

Renaissance is seeking a Software Engineer II in the United States to design, develop, and maintain backend services and RESTful APIs using .NET Core/.NET 5+. You will also implement APIs for a React frontend and collaborate across teams to deliver scalable solutions.

You will write unit and integration tests, work with SQL Server and PostgreSQL, and participate in code reviews and agile ceremonies. AI-assisted tooling like Copilot and Claude Code will be used to boost productivity.

Qualifications

• Bachelor’s degree in Computer Science or related field, or equivalent practical experience.
• 5+ years of experience developing backend applications using .NET Core or .NET 5+.
• 4+ years of experience building frontend applications with React and modern JavaScript/TypeScript.
• Experience building and consuming RESTful APIs.
• Working knowledge of SQL Server or PostgreSQL.
• Experience writing unit tests and familiarity with common testing frameworks.
• Proficiency with Git and standard version control workflows.

Responsibilities

• Design, develop, and maintain backend services and RESTful APIs using .NET Core/.NET 5+.
• Implement and consume APIs that support React-based frontend applications.
• Write and maintain unit and integration tests for backend and frontend components.
• Work with existing SQL Server and PostgreSQL databases by querying and consuming data.
• Collaborate with cross-functional teams to translate requirements into technical solutions.
• Participate in code reviews, agile ceremonies, and continuous improvement initiatives.
• Use AI-assisted development tools (e.g., Copilot, Cursor, Claude Code) to accelerate development and improve code quality.

Skills

.NET Core/.NET 5+ backend development

React frontend development

RESTful APIs design/consumption

Git version control

Education

Bachelor's degree in Computer Science or related field

Tools

SQL Server

PostgreSQL

Docker

AWS

Job description

Renaissance is seeking a Software Engineer II in the United States to design, develop, and maintain backend services and RESTful APIs using .NET Core/.NET 5+. You will also implement APIs for a React frontend and collaborate across teams to deliver scalable solutions.

You will write unit and integration tests, work with SQL Server and PostgreSQL, and participate in code reviews and agile ceremonies. AI-assisted tooling like Copilot and Claude Code will be used to boost productivity.