Senior Backend & API Engineer — Hybrid Role

DKMRBH Inc; Houston (TX); Hybrid; USD 96,000 - 165,000; Full time

Job summary

DKMRBH Inc. is seeking a Senior Full Stack Developer (Backend) to drive backend/API development for WorkPro alongside a frontend-focused teammate. The role combines hands-on coding with architectural input, including REST APIs, data modeling, and enterprise integrations.

Hybrid work in Houston, TX or San Leandro, CA, 6-month contract (extension possible) with an emphasis on durable, scalable services and collaboration with product owners and architects.

Qualifications

• 8+ years of professional software development experience with backend/API focus.
• 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 and integrating with enterprise systems.

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 WorkPro modules.
• Build and maintain integrations to enterprise systems including Microsoft Dynamics 365, Coupa, Trackunit, and Power Automate or Logic Apps.
• Maintain and extend legacy C# codebases where needed, alongside building new services and APIs.
• Document APIs using OpenAPI/Swagger and maintain versioned API contracts for front-end and integration consumers.
• Own workflow automation, audit history, operational reporting, and AI-enabled backend features.
• Ensure API performance, security, and reliability across high-volume dispatch and field service workloads.

Skills

C#

NET

REST APIs

Angular

TypeScript

RxJS

Agile/Scrum

Data modeling

SQL Server

Tools

Angular

TypeScript

Power Automate

Logic Apps

Azure

CI/CD

DevOps

Dynamics 365

Job description

DKMRBH Inc. is seeking a Senior Full Stack Developer (Backend) to drive backend/API development for WorkPro alongside a frontend-focused teammate. The role combines hands-on coding with architectural input, including REST APIs, data modeling, and enterprise integrations.

Hybrid work in Houston, TX or San Leandro, CA, 6-month contract (extension possible) with an emphasis on durable, scalable services and collaboration with product owners and architects.