Senior Full Stack Developer – .NET & React

About the Company

Relay Human Cloud is a young & dynamic company that helps some of the top US-based companies to expand their team internationally. Relay is a truly global company having its operations in US, India, Honduras, and Mexico (We are also adding a few more countries soon). Our core focus is to enable companies to connect with the best international talent. Relay helps its clients in majorly following areas: Accounting & Finance, Administration, Operations, Space Planning, Leasing, Data Science, Data Search, Machine Learning and Artificial Intelligence etc. Relay India operates from Ahmedabad and Vadodara offices. The principals and founders of Relay Human Cloud have been focused on delivering high-quality operations in cutting-edge companies for their entire careers.

About the Role

We are looking for a senior full-stack developer to help modernize and expand our internal business systems. Our environment is data-heavy and Microsoft-centered, with Microsoft Dynamics GP 2018, SmartConnect, MS SQL Server, scheduled C# applications, small Python utilities, legacy FoxPro applications, and a newer TypeScript/React web application with a C# backend API. This role requires someone who can work independently across applications, databases, integrations, and business processes. The right person can investigate unfamiliar systems, create clear implementation plans, write useful documentation, communicate progress, and deliver reliable production systems with minimal supervision.

Location: Ahmedabad on site

Shift timings: 7PM - 4AM

What You Will Do

• Own internal application projects from discovery and planning through build, deployment, documentation, and support.
• Build web applications and APIs using TypeScript, React, C#, ASP.NET, and MS SQL Server.
• Design, update, and troubleshoot SQL Server tables, views, joins, stored procedures, and queries across multiple databases.
• Build safe data integrations, imports, exports, and ETL-style workflows with history, timestamps, validation, reconciliation, and failure handling.
• Modernize manual processes, scheduled jobs, legacy utilities, and backend workflows into maintainable applications.
• Document system behavior, data flows, implementation plans, support procedures, and project status.
• Collaborate with other developers and the lead engineer on technical plans, code reviews, implementation details, and shared development practices.

Required Experience

• Senior-level software development experience with practical ownership of production systems.
• Strong MS SQL Server skills, including complex joins, views, stored procedures, query tuning, data troubleshooting, and multi-database work.
• Strong C# experience, including modern C# and API development with ASP.NET or ASP.NET Core.
• Experience building business-focused web applications with TypeScript and React.
• Experience with ETL workflows, external data integrations, imports, exports, or automated data processing.
• Ability to work with existing databases, legacy applications, and imperfect documentation.
• Experience deploying, supporting, or troubleshooting applications on Windows servers.
• Strong writing skills for implementation plans, data flow notes, project updates, and support documentation.

Preferred Experience

• 7+ years of professional software development experience, ideally with senior-level ownership of production systems.
• 5+ years of C#/.NET and MS SQL Server experience.
• 3+ years building APIs, internal business applications, or integration-heavy systems.
• 2+ years with TypeScript/React or comparable modern frontend development.
• Entity Framework or Entity Framework Core.
• Microsoft Dynamics GP, SmartConnect, ERP systems, or accounting/operational databases.
• Azure services, hybrid on-premise/cloud systems, or cloud migration planning.
• Azure DevOps for source control, work tracking, build pipelines, release pipelines, or deployment automation.
• AI-assisted development tools used responsibly for coding, testing, documentation, troubleshooting, or analysis.
• Python utilities, scheduled automation, logging, monitoring, or CI/CD improvements.
• Legacy modernization involving FoxPro, Access, desktop applications, spreadsheets, or manual workflows.
• Operational systems for accounting, shipping, warehouse, manufacturing, distribution, or back-office teams.

Technical Environment

• Microsoft Dynamics GP 2018 and SmartConnect
• MS SQL Server
• C#, ASP.NET, and Entity Framework
• TypeScript and React
• Python utilities
• Legacy FoxPro applications
• Windows Server and Task Scheduler
• Azure and Azure DevOps
• AI-assisted development tools
• On-premise application and database infrastructure

Why Join Relay Human Cloud? ✨

? Opportunities to work with global clients

? Dynamic and collaborative work environment

⚖️ Excellent work-life balance – 5-day workweek

? Comprehensive health & accident insurance

? Generous paid time off and holidays

?️ Complimentary lunches & dinners

? Quarterly, Semi-Annual & Annual recognition, rewards, and giveaways

? Employee development programs – Communication, Soft Skills, and more