Junior Software Developer m​/f​/d

Looking for an exciting challenge? Join us on our mission to become a global champion in commerce, advertising and performance marketing. Backed by Waterland Private Equity, mrge is building and scaling technology platforms that connect advertisers and publishers worldwide.

In North America, our presence is led by Source Knowledge, a key pillar of the group focused on driving high-impact results through our Montreal-based engineering hub.

We are looking for a motivated Junior Software Developer to join the Source Knowledge team during a pivotal phase of our platform's evolution. Working directly under our Engineering Manager, you will help build and maintain large-scale applications handling RTB, CPC, and deep-link traffic. This is a unique chance to gain hands-on experience as we migrate to Kubernetes (EKS) and upgrade our core stack to the latest Symfony versions.

• Backend: PHP 8+ (Symfony 5.4 moving toward current)
• Frontend:
  React / Type Script
• Infrastructure:
  Kubernetes (EKS), AWS ECS, Docker
• Data & Caching:
  Maria
  
  DB, Valkey/Redis
• Tools:
  Kubectl, Kubeseal, Helm, and Just

• Feature Development:
  Write clean, testable PHP and Symfony code for our core AdTech services.
• Modernization:
  Assist in the migration of legacy services into Kubernetes-native workloads using EKS.
• Front-End Integration:
  Develop responsive components in React/TypeScript to interface with our backend APIs.
• Secret Management:
  Learn to use tools like Sealed Secrets to handle sensitive data securely within our Git Ops workflow.
• Sprints &
  
  Collaboration:
  
  Participate in Sprints under our SCRUM Master, contributing to ticket refinement and team goals.
• Code Quality:
  Engage in extensive code reviews to learn best practices and maintain high standards.

• Experience:
  
  Fresh graduate to 3 years of professional software development experience.
• PHP Foundation:
  Solid understanding of object-oriented PHP; familiarity with the Symfony framework is a major plus.
• Database
  
  Skills:
  
  Ability to write and optimize SQL queries (Maria
  
  DB/MySQL).
• Container Awareness:
  Basic knowledge of Docker; exposure to Kubernetes or AWS is highly desirable.
• AdTech Interest:
  Curious about Real-Time Bidding (RTB) and high-throughput system architecture.
• Academic Background:
  Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• Eligibility:
  Must be currently located in and legally eligible to work in Canada.

You will be mentored by a seasoned Engineering Manager and work alongside a global team (including our offshore experts in Vietnam). This role offers a unique "hands-on" education in Dev Ops-heavy software engineering, where you won't just write code—you'll help orchestrate the infrastructure it runs on.

We are an international, multilingual team with flat hierarchies. Our North American teams work with a high degree of independence, embracing a flexible, remote-first culture that utilizes shared spaces to stay connected and collaborative.

Our culture runs on trust, friendliness, and collegiality, fostering a positive work atmosphere. Working with us is easy and fun—just ask our clients, who we help reach their goals in an uncomplicated, reliable way.

We would be delighted if you joined us at Source Knowledge as a Junior Software Developer.

mrge is the leading Commerce Advertising platform that merges smart tools, technologies, and formats to place activating campaign messages where they have the strongest impact on the customer journey: close to or within the content. With relevant information in the right context, at the right time, everybody wins – publishers, advertisers, and users. mrge stands for brand and performance safety through quality traffic.