

Vista Applied Solutions Group Inc
Data Engineer-Locals and W2 Only
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Data Engineer with a contract length of "unknown" and a pay rate of "unknown." It requires strong SQL, ETL, and C# skills, along with experience in data architecture, API development, and handling large datasets.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
Unknown
-
🗓️ - Date
April 1, 2026
🕒 - Duration
Unknown
-
🏝️ - Location
Unknown
-
📄 - Contract
W2 Contractor
-
🔒 - Security
Unknown
-
📍 - Location detailed
Chicago, IL
-
🧠 - Skills detailed
#Data Architecture #C# #Database Performance #Data Processing #Data Ingestion #Data Quality #Scala #Databases #Data Engineering #Data Integration #Data Pipeline #"ETL (Extract #Transform #Load)" #API (Application Programming Interface) #SQL (Structured Query Language) #SQL Queries #Datasets
Role description
Job Summary:
We are seeking a highly experienced Data Engineer with deep expertise in data processing, backend development, and system integration. The ideal candidate will have strong hands-on experience in SQL, ETL processes, and data architecture, along with the ability to develop and maintain APIs using C#. This role requires excellent critical thinking skills to design efficient data solutions and solve complex data challenges
Key Responsibilities:
• Design, build, and maintain scalable data pipelines and ETL processes
• Develop and optimize complex SQL queries, stored procedures, and database performance
• Integrate data from multiple sources using APIs and backend services (C#)
• Develop and modify APIs to support data ingestion and transformation workflows
• Ensure data quality, integrity, and consistency across systems
• Analyze large datasets to identify trends, issues, and optimization opportunities
• Troubleshoot and resolve complex data and system-related issues
• Collaborate with cross-functional teams including developers, analysts, and business stakeholders
Required Skills & Qualifications:
• Strong expertise in SQL and relational databases
• Hands-on experience with ETL tools/processes and data pipeline development
• Proficiency in C# for backend/data integration development
• Experience in API development and modifications
• Strong experience with stored procedures and database optimization
• Excellent analytical and critical thinking skills
• Ability to handle complex data scenarios and large datasets
Job Summary:
We are seeking a highly experienced Data Engineer with deep expertise in data processing, backend development, and system integration. The ideal candidate will have strong hands-on experience in SQL, ETL processes, and data architecture, along with the ability to develop and maintain APIs using C#. This role requires excellent critical thinking skills to design efficient data solutions and solve complex data challenges
Key Responsibilities:
• Design, build, and maintain scalable data pipelines and ETL processes
• Develop and optimize complex SQL queries, stored procedures, and database performance
• Integrate data from multiple sources using APIs and backend services (C#)
• Develop and modify APIs to support data ingestion and transformation workflows
• Ensure data quality, integrity, and consistency across systems
• Analyze large datasets to identify trends, issues, and optimization opportunities
• Troubleshoot and resolve complex data and system-related issues
• Collaborate with cross-functional teams including developers, analysts, and business stakeholders
Required Skills & Qualifications:
• Strong expertise in SQL and relational databases
• Hands-on experience with ETL tools/processes and data pipeline development
• Proficiency in C# for backend/data integration development
• Experience in API development and modifications
• Strong experience with stored procedures and database optimization
• Excellent analytical and critical thinking skills
• Ability to handle complex data scenarios and large datasets






