Senior Software Engineer - .NET Core, SQL & React (Hybrid)

Covenant HR LLC; Malvern (Chester County); Hybrid; USD 120,000 - 170,000; Part time

Job summary

Covenant HR LLC is seeking a Senior Software Engineer to design, develop, and support a cloud-based fintech platform built on .NET Core/C#, SQL Server, Azure, and React. You will own features from requirements and design through delivery and production support.

The role requires strong architectural thinking, full-stack capabilities across C#/NET Core, SQL Server, and React, and the ability to communicate complex technical concepts clearly. Hybrid work in Malvern, PA, with on-site collaboration.

Qualifications

• 7+ years of .NET/web development experience with strong modern .NET Core and C# expertise.
• Strong SQL Server expertise, including performance troubleshooting, debugging long-running queries, stored procedures/functions, temp tables, and ETL/batch processes.
• Strong software engineering and architectural mindset with the ability to translate requirements into well-designed technical solutions and apply sound design principles.
• Broad full-stack capability across C#/.NET Core, SQL Server, and React, with strong expertise in at least 2 of these 3 areas.
• Independent critical thinker and strong technical communicator who can investigate problems, ask effective questions, and clearly explain their technical approach.

Responsibilities

• Design, develop, and support a cloud-based financial technology platform using .NET Core/C#, SQL Server, Azure, and React.
• Own features throughout the complete software lifecycle, from requirements and technical design through development, delivery, and ongoing production support.
• Work broadly across application layers rather than focusing on a narrowly defined technical specialty.
• Analyze application and database performance issues, including troubleshooting complex and long-running SQL queries.
• Develop and maintain integrations with financial services systems using REST APIs, SOAP services, and batch-file processing.
• Translate business requirements into scalable, maintainable code and sound technical solutions.
• Collaborate within cross-functional engineering pods that include architecture, development, QA, business analysis, and automation resources.
• Apply strong software design principles, including effective use of interfaces and appropriate application architecture patterns.
• Contribute to customer-facing functionality, integrations, collections software, and other areas across the platform.
• Use modern AI-assisted development tools to improve engineering productivity and development efficiency.
• Participate in technical discussions, code reviews, troubleshooting, and problem-solving while clearly communicating technical decisions and approaches.

Skills

NET/.NET Core

SQL Server

Architectural mindset

Full-stack: C#/NET Core, SQL Server, &

Independent thinker

Tools

.NET Core/C#

Azure

React

Job description

Covenant HR LLC is seeking a Senior Software Engineer to design, develop, and support a cloud-based fintech platform built on .NET Core/C#, SQL Server, Azure, and React. You will own features from requirements and design through delivery and production support.

The role requires strong architectural thinking, full-stack capabilities across C#/NET Core, SQL Server, and React, and the ability to communicate complex technical concepts clearly. Hybrid work in Malvern, PA, with on-site collaboration.