Back End Developer

Dexian
St. Louis City County, MO

Job Title: Backend Developer (.NET Core / API)

Location: St. Louis, MO (Onsite)

Type: Contract to Hire

Duration: 6 Months (Extension Possible)

Pay Rate: $50 to $55/hr


Overview

We are hiring a Backend Developer to support a large-scale enterprise application initiative focused on compliance tracking, reporting, and system integration. This role is part of a high-visibility Agile program delivering a custom-built platform integrated with enterprise systems.

You will work in a collaborative, hybrid team environment alongside internal stakeholders and technical experts, contributing to scalable API development and system performance.


Key Responsibilities

  • Develop and maintain backend services and RESTful APIs using C# and .NET Core
  • Design and implement scalable, secure, and high-performance APIs
  • Work with MVC and microservices architecture
  • Build and optimize data models and backend logic
  • Collaborate with cross-functional teams in an Agile environment
  • Support integration with enterprise systems (e.g., Oracle Fusion / OIC)
  • Ensure best practices for security, performance, and maintainability


Required Qualifications

  • 4–7 years of experience in backend development
  • Strong hands-on experience with C#, .NET Core, and API development
  • Solid understanding of data structures (Lists, Dictionaries, Hashing in C#)
  • Experience with data modeling and database design
  • Knowledge of enterprise integration and security standards
  • Exposure to Agile methodologies


Preferred Qualifications

  • Experience with database optimization and secure data handling
  • Familiarity with Jira or Azure DevOps
  • Experience integrating with Oracle Fusion / OIC
  • Certifications such as Azure Developer or AWS Developer Associate


Work Environment

  • Fully onsite role in St. Louis, MO
  • Collaborative team model with internal and vendor resources
  • Opportunity for knowledge sharing and long-term conversion



Dexian is a leading provider of staffing, IT, and workforce solutions with over 12,000 employees and 70 locations worldwide. As one of the largest IT staffing companies and the 2nd largest minority-owned staffing company in the U.S., Dexian was formed in 2023 through the merger of DISYS and Signature Consultants. Combining the best elements of its core companies, Dexian's platform connects talent, technology, and organizations to produce game-changing results that help everyone achieve their ambitions and goals. Dexian's brands include Dexian DISYS, Dexian Signature Consultants, Dexian Government Solutions, Dexian Talent Development and Dexian IT Solutions. Visit https://dexian.com/ to learn more. Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.