Senior Full Stack Developer BackEnd & WorkPro

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

Role: Senior Full Stack Developer – BackEnd & WorkPro

Location: Houston, TX or San Leandro (Bay Area), CA - Hybrid

Type: 6 Month Contract or Contract to Hire(Can Be Extended)

Mode of Interview: 2 Zooms

Our Client is hiring a full-timeSenior Full Stack Developer (Backend)to support the ongoing development of WorkPro, our internal Operations, Dispatch, Asset Management, and Field Service platform. This is a hands-on, delivery-focused role with a strong emphasis on backend and API development, supported by contributing-level Angular front-end work.

This developer will be part of a small, focused product team, reporting to a Principal Developer and working alongside a Senior Full Stack Developer (front-end focus) and a Product Owner. This role is ideal for an experienced backend engineer who wants meaningful ownership of core services and data architecture, exposure to complex business workflows, and the opportunity to keep growing technically within an established team structure.

This role works across both legacy and modern software patterns. Part of the job is understanding and maintaining older C# codebases alongside building new services and integrations. Expect the majority of your time on new services and integrations, with legacy C# maintenance as a recurring but secondary part of the work.

Key Responsibilities:

Backend & Integration (Primary Focus)

• 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 clear, versioned API contracts for front-end and integration consumers.
• Own workflow automation, audit history, operational reporting, and AI-enabled backend features (e.g., automated dispatch scheduling logic, predictive maintenance alerts).
• Ensure API performance, security, and reliability across high-volume dispatch and field service workloads.

Frontend (Supporting)

• Contribute to Angular-based UI components for WorkPro modules, including Field Service, Dispatch, and Technician workflows, in coordination with the Senior Full Stack Developer (front-end focus).
• Implement role-based UI components for dispatchers, service managers, and field technicians as needed.
• Support responsive, mobile-first UI work across desktop, tablet, and mobile devices.

Team & Delivery

• Work within a structured delivery model with a Product Owner managing backlog and priorities.
• Co-own backend architecture decisions with the Principal Developer; contribute directly to technical standards, not just execution.
• Participate in code reviews, sprint planning, and incremental delivery.
• Take ownership of assigned backend features from development through production deployment.

Qualifications:

Required

• 8+ years of professional software development experience, with the majority in 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 business platforms).
• Working knowledge of Angular and TypeScript at a contributing level, not primary.
• Familiarity with RxJS, reactive programming concepts, and state management.
• Ability to work effectively in a collaborative, agile, team-based development environment.

Preferred

• Experience with Microsoft Dynamics 365 and Power Platform (Power Automate, Logic Apps).
• Strong experience with SQL Server, including performance tuning, query optimization, and complex stored procedures.
• Experience with Azure, CI/CD pipelines, and DevOps practices.
• Experience with field service, dispatch, workforce management, or operational software.
• Experience leveraging AI-assisted development tools to accelerate delivery and improve code quality.
• Exposure to AI-enabled application features, including intelligent workflows and automation.
• Experience with Angular 19+, standalone components, and signals.

What Success Looks Like:

• High-quality backend features and integrations delivered consistently and on schedule.
• Improved reliability and performance of WorkPro's API and data layer.
• Smooth collaboration with the Principal Developer, the Senior Full Stack Developer (front-end focus), and the Product Owner.
• Reduced reliance on manual tools and legacy processes.
• A stable backend foundation for future automation, analytics, and AI-assisted capabilities