Senior Go Backend Engineer: SaaS APIs & React UI

Aarista Technologies; Vancouver; On-site; CAD 120,000 - 180,000; Full time

Job summary

Aarista Technologies is seeking a Full Stack Software Engineer to design robust Go backend services and feature-rich React frontends. This backend-leaning role powers a multi-tenant healthcare SaaS platform, delivering RESTful APIs and real-time data features.

You will implement secure auth flows, data pipelines, and AI-assisted coding features while building dashboards, data grids, and responsive interfaces for complex workflows.

Qualifications

• 7-8 years of professional software development experience.
• Strong proficiency in Go for production REST APIs, concurrency patterns, and databases (MongoDB, SQL Server).
• Solid experience with React—hooks, Redux, MUI, and data visualization.
• Experience with cloud services (Azure preferred): Blob Storage, App Services, and Pipelines.
• Familiarity with authentication systems (OAuth2, JWT, Auth0).
• Understanding of CI/CD pipelines (Azure DevOps).
• Comfort working in a multi-tenant SaaS environment.

Responsibilities

• Design and develop RESTful APIs in GoLang, from schema to production.
• Build and maintain integrations with MongoDB, SQL Server (via GORM), and Azure Blob Storage.
• Implement authentication and authorization flows using Auth0 / JWT.
• Develop real-time features with WebSockets and schedule recurring work via cron jobs.
• Build services for EDI transaction processing.
• Write database migrations and safeguard data integrity across multi-tenant environments.
• Integrate AI/ML services to power medical coding suggestions.
• Produce and maintain clear Swagger / OpenAPI documentation.
• Frontend: Build responsive UIs with React, Vite, and TypeScript.
• Develop complex data grids and dashboards using AG Grid Enterprise, Chart.js.
• Build forms and validation with MUI (Material UI).
• Integrate feature flag management via the OpenFeature SDK.
• Write E2E tests with Cypress and unit tests with Vitest.

Skills

GoLang

React

RESTful APIs

Multi-tenant SaaS

AI/ML integration

Data modeling

Tools

MongoDB

SQL Server

Azure Blob Storage

Auth0/JWT

OpenAPI/Swagger

Vite

TypeScript

AG Grid Enterprise

Chart.js

MUI

OpenFeature SDK

Cypress

Vitest

Job description

Aarista Technologies is seeking a Full Stack Software Engineer to design robust Go backend services and feature-rich React frontends. This backend-leaning role powers a multi-tenant healthcare SaaS platform, delivering RESTful APIs and real-time data features.

You will implement secure auth flows, data pipelines, and AI-assisted coding features while building dashboards, data grids, and responsive interfaces for complex workflows.