Senior C# Data Integration Engineer (ETL & Cloud)

Axiom Path; Charlotte (NC); On-site; USD 100,000 - 150,000; Full time

Job summary

Axiom Path in Charlotte, NC is seeking a senior developer focused on backend data integration work rather than UI-heavy development. You will support C#/.NET console applications and ETL tasks while gaining exposure to Azure Data Factory, Python, Palantir Foundry, and AI-enabled data quality initiatives.

The role is onsite 4 days per week and requires strong independent delivery and clear communication within a fast-paced team.

Qualifications

• Minimum 2 years of hands-on C#/.NET console application development experience.
• Experience building C# console applications personally, not only supporting others.
• Strong experience using C# for data integration, API calls, file processing, automation, or source-to-destination data movement.
• Experience with data integration workflows and large-volume data.
• Understanding of API concepts including endpoints, requests, responses, pagination/limits.
• Experience with SSIS or another ETL/integration tool such as Informatica.
• Basic SQL knowledge; SQL Server experience preferred.
• Experience with SFTP, flat files, SharePoint, Azure Blob, Snowflake, or similar platforms is helpful.
• Azure Data Factory experience is a plus for future work; Palantir Foundry exposure is a plus.
• Strong listening, communication, problem-solving, and ownership skills.
• Must be onsite 4 days per week in South Park, Charlotte, NC.
• Must be W2 eligible; no C2C or subcontracting.

Responsibilities

• Build and enhance C#/.NET console applications used for enterprise data integration.
• Connect to APIs, SQL Server, SFTP, flat files, SharePoint, Azure Blob, and other sources.
• Extract, process, and move high-volume data into Azure Blob, Snowflake, or other destinations.
• Maintain and support current ETL workflows using SSIS or similar tools.
• Assist in preparing for Azure Data Factory work in future projects.
• Troubleshoot API, file, data volume, SQL, and integration issues.
• Apply practical judgment when handling large data volumes, API limits, and batching.
• Collaborate with technical and business teams to deliver reliable integration solutions.
• Contribute documentation and support production processes; improve integration patterns.
• Demonstrate senior-level ownership and ability to work independently.

Skills

C#/.NET

API integration

ETL

SQL

SFTP

Azure Blob

Snowflake

SharePoint

Python

Communication

Tools

SSIS

Informatica

Azure Data Factory

Palantir Foundry

Job description

Axiom Path in Charlotte, NC is seeking a senior developer focused on backend data integration work rather than UI-heavy development. You will support C#/.NET console applications and ETL tasks while gaining exposure to Azure Data Factory, Python, Palantir Foundry, and AI-enabled data quality initiatives.

The role is onsite 4 days per week and requires strong independent delivery and clear communication within a fast-paced team.