Senior Full-Stack Engineer – Onsite in Denver (.NET/React)

SmartRecruiters, Inc.; Denver (CO); On-site; USD 130,000 - 155,000; Full time

Benefits offered by this job

Bonus opportunity

Health insurance

401K matching

Paid vacation

Job summary

AIR Communities, headquartered in Denver, CO, seeks a Lead Full‑Stack Engineer to guide a data team in building scalable, high‑quality applications using .NET and React. You will design RESTful APIs, lead technical discussions, and mentor engineers to ensure secure, high-performance solutions aligned with business goals.

The role requires in‑person collaboration at the Denver headquarters, with five days onsite, and a strong track record in front‑ and back‑end development across modern stacks.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 10–12+ years of professional full-stack development experience with C# and .NET.
• Expertise with ASP.NET Core, Entity Framework, and RESTful API development.
• Solid experience with relational databases (e.g., SQL Server, Postgres) and writing efficient SQL queries.
• Experience with modern front-end build and packaging tools.
• Experience building and hosting applications on cloud platforms (Azure, AWS, or GCP).

Responsibilities

• Design and develop scalable applications using .NET and modern front‑end frameworks.
• Build and optimize RESTful APIs and microservices for seamless integration across front-end applications.
• Work with relational databases, ensuring strong performance and data integrity.
• Implement secure authentication and authorization patterns.
• Develop responsive, interactive user interfaces using React.js and modern front‑end patterns.
• Collaborate with UX/UI designers to translate wireframes into functional, user‑centric components.
• Integrate front‑end and back‑end components to deliver cohesive, end‑to‑end solutions.
• Diagnose and resolve issues across the full stack to maintain application reliability.

Skills

C# and .NET

ASP.NET Core

RESTful APIs

React.js

Azure/AWS/GCP

DevOps / CI/CD

SQL / Relational databases

Security best practices

Mentoring / Leadership

Education

Bachelor’s degree in Computer Science or related field

Tools

Azure

AWS

GCP

Job description

AIR Communities, headquartered in Denver, CO, seeks a Lead Full‑Stack Engineer to guide a data team in building scalable, high‑quality applications using .NET and React. You will design RESTful APIs, lead technical discussions, and mentor engineers to ensure secure, high-performance solutions aligned with business goals.

The role requires in‑person collaboration at the Denver headquarters, with five days onsite, and a strong track record in front‑ and back‑end development across modern stacks.