Secure SCADA Full-Stack Engineer (.NET/React)

Survalent; Mississauga; On-site; CAD 120,000 - 130,000; Full time

Job summary

Survalent is seeking an experienced Software Developer in Mississauga, ON to expand its core SCADA platform into API and web technologies. You will design a secure DMZ-to-core API gateway and build a greenfield configuration application for utility engineers, influencing architecture and technology direction.

You’ll work across the stack from React interfaces to .NET APIs, with a focus on security, performance, and scalability, reporting to the SCADA Team Lead. This is a full-time on-site role.

Qualifications

• Degree or diploma in Computer Science or equivalent experience.
• 5 years of full-stack development experience.
• Experience with C#, ASP.NET Core Web API, microservices, identity authentication, and SignalR/WebSockets.
• Experience with SQL Server and/or PostgreSQL, MongoDB, and Redis.
• Strong knowledge of object-oriented programming, multithreading, and performance-focused design.
• Experience with Git, Docker, and CI-style workflows.
• Strong communication skills and the ability to work cross-functionally.
• Experience with C++, WPF, Windows Forms, mapping libraries, encrypted data, or real-time systems is an asset.

Responsibilities

• Design and develop a secure DMZ-to-core API gateway that allows external applications to safely exchange data with the SCADA/ADMS platform.
• Apply threat modelling, authentication, data protection, and performance optimization to maintain a regulated isolation boundary.
• Build a new configuration application that enables utility engineers to manage live grid databases and SCADA settings.
• Help define the architecture, technology stack, development standards, and technical direction for new applications.
• Design and build RESTful APIs and full-stack web applications.
• Take ownership of client-side and server-side architecture.
• Optimize applications for performance, scalability, security, and operation under heavy loads.
• Write tests and deliver dependable, mission-critical software where accuracy and correctness are essential.
• Comply with Survalent’s ISO/IEC 27001:2022 ISMS Policy and ISO 9001:2015 QMS Policy.
• Other duties as required

Skills

Full-stack development

C#

ASP.NET Core Web API

microservices

identity authentication

SignalR/WebSockets

multithreading

object-oriented programming

performance-focused design

communication

cross-functional collaboration

security mindset

Education

Bachelor's degree in Computer Science

Tools

Git

Docker

CI/CD

SQL Server

PostgreSQL

MongoDB

Redis

WPF

Windows Forms

Job description

Survalent is seeking an experienced Software Developer in Mississauga, ON to expand its core SCADA platform into API and web technologies. You will design a secure DMZ-to-core API gateway and build a greenfield configuration application for utility engineers, influencing architecture and technology direction.

You’ll work across the stack from React interfaces to .NET APIs, with a focus on security, performance, and scalability, reporting to the SCADA Team Lead. This is a full-time on-site role.