Senior .NET Backend Engineer for B2B APIs & SQL

Nextech; Melbourne (FL); On-site; USD 100,000 - 125,000; Full time

Benefits offered by this job

Health insurance (employee only option

Dental & Vision

401k with 50% match up to 6%

Paid holidays

Paid personal days

Paid vacation days

Life insurance

Job summary

Nextech is seeking an experienced .NET C# backend developer in Melbourne, FL. The role focuses on building and maintaining systems that extract data from SQL Server and update customer platforms via RESTful and SOAP APIs.

This full-time, long-term position offers growth, collaboration with cross-functional teams, and a strong emphasis on clean, efficient code. The ideal candidate has 5+ years of .NET C# experience, expertise in ASP.NET Web API, REST/SOAP APIs, and SQL Server proficiency.

Qualifications

• Bachelor's degree in computer science, engineering, or related field.
• 5+ years of professional experience in .NET C# development.
• Experience working on B2B integration projects.
• Experience with cloud platforms like Azure or AWS is a plus.
• HVAC industry or service business experience preferred.

Responsibilities

• Develops, maintains, and optimizes backend systems using .NET technologies.
• Builds and consumes RESTful and SOAP APIs for customer platforms.
• Writes efficient SQL queries and stored procedures for SQL Server.
• Ensures code quality with unit testing and automated testing frameworks.
• Participates in Agile processes and collaborates with cross-functional teams.
• Documents system design and integration details for maintainability.
• Troubleshoots production and non-production environments.

Skills

C# / .NET Core

ASP.NET Web API

RESTful APIs

SOAP APIs

SQL Server / T-SQL

Git / CI/CD

Agile methodologies

Communication

Team collaboration

Excel (Advanced)

Education

Bachelor's degree in computer science or related

Tools

Azure / AWS (cloud)

Job description

Nextech is seeking an experienced .NET C# backend developer in Melbourne, FL. The role focuses on building and maintaining systems that extract data from SQL Server and update customer platforms via RESTful and SOAP APIs.

This full-time, long-term position offers growth, collaboration with cross-functional teams, and a strong emphasis on clean, efficient code. The ideal candidate has 5+ years of .NET C# experience, expertise in ASP.NET Web API, REST/SOAP APIs, and SQL Server proficiency.