Senior Full Stack .NET Developer

Remote
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AI Summary

Join Omnisource Technologies as a Senior Full Stack .NET Developer to support and modernize a mission-critical healthcare platform. You will focus on backend services, business logic, PostgreSQL database layer, and integration services. The ideal candidate has strong experience with C#/.NET backend development and a strong understanding of software quality, maintainability, and release discipline.

Key Highlights
Backend stabilization and platform support
Modernization of backend architecture and integration layers
Cloud migration and SaaS readiness
Key Responsibilities
Support and enhance .NET backend services and business logic
Diagnose and resolve production issues across backend services, APIs, PostgreSQL databases, and integrations
Collaborate with QA, support, and technical leadership to reduce recurring defects
Improve logging, diagnostics, monitoring, and operational observability
Contribute to modernization of backend architecture and integration layers
Support migration from desktop-heavy workflows toward web-based architecture
Technical Skills Required
C# .NET React TypeScript PostgreSQL SQL APIs Backend services Business logic Integration services
Benefits & Perks
Competitive compensation
Flexible working arrangements
Fully remote position
Nice to Have
Healthcare, pharmacy, EMR, or regulated software experience
Cloud platform exposure (AWS, Azure, or GCP)
CI/CD, deployment automation, or DevOps collaboration

Job Description


Omnisource Technologies was founded in 2007 on the belief that great teams can change the world. Today, we partner with ambitious startups and global enterprises to solve complex, high-impact product and engineering challenges. Our work is driven by a commitment to product quality, engineering excellence, and user experience.


Job Summary(Backend APIs / PostgreSQL / Integrations / React Modernization)

We are seeking a Senior Full Stack .NET Developer to join a dedicated Omnisource team supporting and modernizing a mission-critical healthcare platform used in pharmacy environments. The role focuses on the platform's .NET backend services, business logic, PostgreSQL database layer, and integration services, while contributing to future cloud migration and SaaS readiness.

Initially, you will support vendor transition, platform stabilization, bug fixing, integration troubleshooting, and release reliability. Over time, you will help prepare the platform for cloud migration, deployment automation, observability improvements, and a SaaS-oriented architecture. The ideal candidate works effectively inside existing codebases, understands complex business logic, and thinks strategically about modernization and maintainability.


Responsibilities

Current Focus: Backend Stabilization & Platform Support

  • Support and enhance .NET backend services and business logic
  • Diagnose and resolve production issues across backend services, APIs, PostgreSQL databases, and integrations — including pharmacy systems, EMR systems, robotic dispensing systems, and drug database synchronization
  • Participate in root-cause analysis and implement durable fixes that improve release reliability and regression discipline
  • Collaborate with QA, support, and technical leadership to reduce recurring defects
  • Support knowledge transfer from the outgoing vendor and document system behavior, integration flows, database dependencies, and troubleshooting procedures
  • Improve logging, diagnostics, monitoring, and operational observability
  • Actively participate in all stages of the SDLC


Future Focus: Modernization & Cloud Readiness

  • Contribute to modernization of backend architecture and integration layers
  • Support migration from desktop-heavy workflows toward web-based architecture, including React/web modernization initiatives
  • Help improve authentication, multi-tenancy readiness, and cloud migration preparation
  • Collaborate with technical leadership on modernization sequencing and architectural recommendations
  • Use AI tools where appropriate to accelerate code analysis, refactoring, documentation, test generation, and debugging


Requirements

  • Strong experience with C# / .NET backend development
  • React, TypeScript, or modern web application development
  • Experience building, maintaining, or modernizing APIs and backend services
  • Strong SQL and relational database experience, ideally with PostgreSQL
  • Experience with complex business logic in existing production systems
  • Strong debugging, troubleshooting, and root-cause analysis skills
  • Experience with integration-heavy platforms or third-party system connectivity
  • Strong understanding of software quality, maintainability, and release discipline
  • Strong communication skills and professional-level English
  • Effective working independently and as part of a distributed team


Nice to Have

  • Healthcare, pharmacy, EMR, or regulated software experience
  • Cloud platform exposure (AWS, Azure, or GCP)
  • CI/CD, deployment automation, or DevOps collaboration
  • Interest in AI-first engineering workflows


Qualifications

  • 8+ years of professional software development experience
  • Strong background in .NET backend development
  • Prior experience with live production systems and existing customers


Reasons to Work With Us

  • Be part of a highly skilled team solving genuinely hard problems
  • Work on a mission-critical healthcare platform with real-world operational impact
  • Competitive compensation and flexible working arrangements
  • Fully remote position; Contract – Full Time
  • Open, transparent communication and a strong engineering culture
  • Opportunity to support both immediate stabilization and long-term cloud/SaaS modernization

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