Full Stack Developer

Hygiena LLC • Toronto, ON

11d • Onsite

About The Position

Hygiena provides rapid microbiology diagnostic tests and solutions for mission-critical, time-sensitive processes around the world. Hygiena’s proprietary diagnostic technologies enable customers to; prevent illness and save lives, comply with regulations, protect products and brands, run businesses more effectively. Solutions are sold in a wide range of industries globally, but the core focus is food safety. Headquartered in Camarillo, California and with offices around the world, we are actively looking for talented individuals to help grow the business! At Hygiena we believe: In providing the highest quality products & service, Being a leader in innovation, Having a compelling desire to improve and win in the marketplace, In contributing positively not only in the workplace, but in our community and environment! With rapid growth comes opportunity. We are looking for a Full Stack Developer to join our team onsite in Mississauga, Ontario office! This is a full-time, exempt position. In this role, you will design, build, and operate features across SureTrend®, Hygiena’s multi-tenant food safety and quality management SaaS platform. The platform supports web application users as well as laboratory and production-floor instruments (including PCR analysis devices) that securely transmit mission-critical test data. You will work across modern front-end frameworks, .NET and Python back-end services, and relational data layers—carrying features from architectural design through testing, deployment, and cloud operations.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
• Strong hands-on experience building robust, high-performance web services and APIs using ASP.NET Core / .NET.
• Proven experience developing responsive single-page web applications using Angular (TypeScript) and/or Nuxt / Vue.js.
• Solid foundation in relational databases (SQL design, schema migrations, execution plan analysis, and performance indexing).
• Proven ability to trace defects across the entire stack—from the browser interface down through APIs to the database layer.
• Dedication to writing clean, maintainable code with unit/integration tests, participating in code reviews, and collaborating via Azure DevOps (or Git-based CI/CD).

Nice To Haves

• Experience architecting multi-tenant SaaS platforms with strict data isolation, high scalability, and robust security.
• Experience with high-throughput systems, message queuing, batching, idempotency, backpressure handling, or database contention mitigation.
• Practical experience with Microsoft Azure, Azure Application Insights, and KQL (or tools like OpenTelemetry, Datadog, Grafana).
• Hands-on experience developing Python services running in Docker containers on Kubernetes.
• Familiarity with Bicep, ARM templates, or Terraform.
• Experience handling data from connected laboratory/physical devices, including considerations for intermittent connectivity, retry policies, payload buffering, and data serialization.

Responsibilities

• Full-Stack Application Development (30%): Design, build, and maintain scalable features across the SureTrend stack using ASP.NET Core on the back end, paired with Angular (TypeScript) and Nuxt / Vue.js on the front end.
• Data Layer & Performance Tuning (20%): Architect and optimize the relational database layer, including schema and index design, query and execution-plan tuning, data migrations, and high-throughput data processing workflows for web and instrument-generated data.
• Telemetry, Observability & Production Support (15%): Instrument cloud services with Azure Application Insights, monitor and diagnose production issues using KQL (or comparable telemetry stacks), and take ownership of service reliability.
• Technical Design & CI/CD Quality (15%): Author technical designs, participate in rigorous code reviews, build comprehensive automated test suites, and strengthen CI/CD pipelines in Azure DevOps.
• Containerized Microservices (10%): Build and maintain Python microservices deployed on Kubernetes (Docker), ensuring secure service-to-service integration and high availability.
• Agile Collaboration (10%): Partner with Product, UX, and QA teams to refine technical specifications and deliver iterative value in an Agile framework.
• Compliance & Safety (As required): Maintain compliance with all organizational policies, data security mandates, and safety programs.

Benefits

• Teamwork as a Core Value: Strong cross-functional collaboration and supportive team culture.
• Be a Part of Something Big: Play a critical role in preventing global health crises like foodborne illnesses and healthcare-associated infections.
• Giving Back: Active community outreach supporting local youth and children’s organizations.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level