Java Software Engineer III - Full Stack Mid to Senior Level

Java Software Engineer III - Full Stack Mid to Senior Level

Location: Toronto, Canada

Duration: Contract

Job ID: 174904

Job Overview:

We are seeking a highly motivated Software Engineer III - Full Stack to join our team. This role focuses on delivering scalable, high-quality full-stack solutions that bridge backend distributed systems with customer-facing communication platforms. You will directly support critical e-commerce systems and enable personalized multi-channel communications. This position is ideal for a talented engineer with deep expertise in either backend or frontend development, coupled with strong proficiency across the entire stack. You will take true end-to-end ownership, from system design and architecture through implementation, deployment, and monitoring.

Responsibilities

• Own the complete lifecycle of features across the full stack, including system architecture and customer-facing delivery.
• Translate complex business requirements and technical specifications into scalable, maintainable solutions.
• Actively participate in system design reviews and contribute to key architectural decisions.
• Communicate technical estimations and design options for new feature requests.
• Support production deployments and lead post-release monitoring to ensure system stability and performance.
• Design and develop highly available, scalable Java-based services within an e-commerce ecosystem.
• Build and maintain robust RESTful APIs and integrate with event-driven systems like Kafka.
• Strategically design and optimize data persistence layers using SQL and NoSQL databases.
• Develop, maintain, and improve dynamic, data-driven templates for customer communications using HTML/CSS and Apache FreeMarker (FTL).
• Ensure seamless integration between frontend implementations and backend APIs using JSON-based data structures.

Qualifications

• 5 to 7 years of professional experience in software engineering.
• Proven ability to work across the full stack, with demonstrated contributions beyond a single specialization.
• Strong depth in distributed systems, including Java, REST APIs, Kafka, and SQL/NoSQL databases.
• Experience in front-end technologies including HTML/CSS, React.js, Node.js, or other related frameworks.
• Proficiency in system design and debugging complex problems.
• Experience working with Git and Agile development methodologies.
• Effective written and verbal communication skills for cross-functional collaboration.

Bonus (Nice to Have):

• Experience with building and maintaining large-scale marketing or transactional email systems.
• Knowledge of Python.
• Direct experience with Apache FreeMarker (FTL).
• Prior experience in a large-scale, high-volume e-commerce environment.

About PTR Global: PTR Global is a leading provider of information technology and workforce solutions. PTR Global has become one of the largest providers in its industry, with over 5000 professionals providing services across the U.S. and Canada. For more information visit ;br>

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Pay Range: $55- $63/hr CAD hourly

The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Our full-time consultants have access to benefits, including medical, dental, vision, and 401K contributions, as well as PTO, sick leave, and other benefits mandated by applicable state or localities where you reside or work.

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