Senior Enterprise Backend Engineer: AWS, Microservices

Armstrong Fluid Technology; Toronto; On-site; CAD 120,000 - 160,000; Full time

Job summary

Armstrong Fluid Technology invites a senior, hands-on Enterprise Developer to join our enterprise architecture team. You will design, refactor, and migrate applications using Python, C#, and .NET while modernizing legacy systems with microservices and cloud-native approaches.

You will work on AWS-based cloud deployments, containerization with Docker/Kubernetes (EKS), and database optimization, ensuring secure, scalable solutions across ERP/PLM/CPQ/CRM integrations.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Experience building integration modules for ERP/PLM/CPQ/CRM systems.
• Proven backend development with C#, .NET and Python.
• Proficient in designing RESTful APIs.
• Experience with microservices and legacy ASP.NET upgrades.
• Cloud development experience, especially AWS.
• Familiar with Docker and Kubernetes (EKS).
• Strong focus on application security and best practices.
• Excellent problem-solving, teamwork and adaptability.
• Experience with SQL performance tuning and optimization.

Responsibilities

• Design, develop, maintain, troubleshoot, and enhance Python and C# applications.
• Refactor and upgrade legacy ASP.NET applications.
• Migrate monolithic apps to microservices architectures for scalability.
• Perform lift-and-shift operations to cloud environments (AWS).
• Implement containerization using Docker and Kubernetes (EKS).
• Develop and deploy cloud solutions on AWS.
• Ensure application security and compliance with best practices.
• Optimize SQL database performance through query optimization and indexing.
• Collaborate with cross-functional teams to deliver high-quality software.

Skills

Python

C#

.NET

REST APIs

Microservices

AWS

Docker

Kubernetes

Security

SQL Tuning

Education

Bachelor's degree in Computer Science/IT or related field

Tools

Docker

Kubernetes (EKS)

ASP.NET

REST APIs

AWS Cloud

PowerBI (preferred)

Job description

Armstrong Fluid Technology invites a senior, hands-on Enterprise Developer to join our enterprise architecture team. You will design, refactor, and migrate applications using Python, C#, and .NET while modernizing legacy systems with microservices and cloud-native approaches.

You will work on AWS-based cloud deployments, containerization with Docker/Kubernetes (EKS), and database optimization, ensuring secure, scalable solutions across ERP/PLM/CPQ/CRM integrations.