Senior Backend/API Engineer - C#, .NET & SQL (Hybrid)

Akaasa Technologies; Houston (TX); Hybrid; USD 135,000 - 190,000; Full time

Benefits offered by this job

Competitive pay

401(k) match

Vacation and sick leave

FSA/HSA

BYOD reimbursement

Job summary

Akaasa Technologies is seeking a Senior Full Stack Developer (Backend) to advance WorkPro’s backend services, APIs, and data architecture. You will own core modules, work on legacy C# alongside new services, and contribute to enterprise integrations.

You’ll collaborate with a small product team, report to a Principal Developer, and assist with API design, performance, and security across high-volume workflows. Hybrid Houston/San Leandro location preferred.

Qualifications

• 8+ years of professional software development experience, with emphasis on backend/API development.
• Strong hands-on experience with C#, .NET, and building production-grade REST APIs.
• Solid experience with SQL Server, relational data modeling, and stored procedures.
• Experience maintaining and extending legacy C# codebases.
• Experience integrating with enterprise systems (ERP, CRM, or similar).
• Working knowledge of Angular and TypeScript at a contributing level, not primary.

Responsibilities

• Develop and maintain REST APIs supporting service orders, dispatch, billing, and asset management.
• Design and implement SQL Server-based data models, stored procedures, and queries powering core modules.
• Build and maintain integrations to enterprise systems including Dynamics 365, Coupa, Trackunit, and Power Automate/Logic Apps.
• Maintain legacy C# codebases while building new services and APIs.
• Document APIs using OpenAPI/Swagger with versioned contracts for consumers.
• Own workflow automation, audit history, and operational reporting.

Skills

C#

REST APIs

SQL Server

Angular/TypeScript

Azure/DevOps

Tools

OpenAPI/Swagger

Power Automate/Logic Apps

Dynamics 365 integration

Job description

Akaasa Technologies is seeking a Senior Full Stack Developer (Backend) to advance WorkPro’s backend services, APIs, and data architecture. You will own core modules, work on legacy C# alongside new services, and contribute to enterprise integrations.

You’ll collaborate with a small product team, report to a Principal Developer, and assist with API design, performance, and security across high-volume workflows. Hybrid Houston/San Leandro location preferred.