

System Soft Technologies
Data Engineer (C# and APIs)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Data Engineer (C# and APIs) with a contract length of "unknown" and a pay rate of "unknown." It requires strong C# and API development skills, ETL experience, SQL proficiency, and is on-site.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
Unknown
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🗓️ - Date
May 12, 2026
🕒 - Duration
Unknown
-
🏝️ - Location
On-site
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📄 - Contract
Unknown
-
🔒 - Security
Unknown
-
📍 - Location detailed
Chicago, IL
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🧠 - Skills detailed
#Lean #Data Pipeline #C# #API (Application Programming Interface) #SQL (Structured Query Language) #SQL Queries #Data Engineering #"ETL (Extract #Transform #Load)"
Role description
Job Summary
We are looking for a Data Engineer with strong C# and API development skills to join a small, cross-functional team. This role requires hands-on experience in data engineering, ETL processes, and backend development, with the ability to work across multiple technologies in a lean environment
NOTE: Inperson Interview Required
Key Responsibilities
• Design, develop, and maintain ETL processes in a Microsoft-based environment
• Build and enhance APIs using C#
• Write and optimize SQL queries and stored procedures for performance
• Support and maintain on-premise data systems
• Collaborate with team members across data, application, and reporting functions
• Assist in maintaining and enhancing existing systems, including legacy components
• Troubleshoot data and application issues and ensure system reliability
Required Skills
• Strong experience in C# development (especially API development)
• Solid knowledge of SQL, stored procedures, and performance tuning
• Experience with ETL processes (Microsoft stack preferred)
• Ability to work in a small, cross-functional team environment
• Good understanding of data pipelines and backend systems
Job Summary
We are looking for a Data Engineer with strong C# and API development skills to join a small, cross-functional team. This role requires hands-on experience in data engineering, ETL processes, and backend development, with the ability to work across multiple technologies in a lean environment
NOTE: Inperson Interview Required
Key Responsibilities
• Design, develop, and maintain ETL processes in a Microsoft-based environment
• Build and enhance APIs using C#
• Write and optimize SQL queries and stored procedures for performance
• Support and maintain on-premise data systems
• Collaborate with team members across data, application, and reporting functions
• Assist in maintaining and enhancing existing systems, including legacy components
• Troubleshoot data and application issues and ensure system reliability
Required Skills
• Strong experience in C# development (especially API development)
• Solid knowledge of SQL, stored procedures, and performance tuning
• Experience with ETL processes (Microsoft stack preferred)
• Ability to work in a small, cross-functional team environment
• Good understanding of data pipelines and backend systems






