Senior Software Engineer Technical Lead - Backend

Encore Technical Solutions Inc.; Toronto; On-site; CAD 100,000 - 140,000; Full time

Job summary

A leading company in IT Services and Consulting is seeking a Senior Software Engineer Technical Lead focusing on Backend development in Toronto. This role involves architecting robust backend systems and managing integration of AI services to enhance application performance. Ideal candidates will have extensive backend development experience and a passion for mentoring teams, leading projects, and driving innovation.

Qualifications

• 10+ years of backend development experience, with 2-3 years in a technical leadership role.
• Proficient in Python or Node.js with strong API architecture skills.
• Deep understanding of backend performance tuning and security best practices.

Responsibilities

• Architect and develop scalable, secure backend systems.
• Design and implement RESTful APIs using Python or Node.js.
• Lead and mentor a team of backend engineers.

Skills

Backend Development

API Architecture

Cloud Platforms

AI Services Integration

Performance Tuning

Agile Methodologies

Mentoring

Communication

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

Job description

Senior Software Engineer Technical Lead - Backend

Senior Software Engineer Technical Lead - Backend

Lead Software Engineer - Backend focused

Toronto, ON

Full-Time Permanent

About the Role

We are seeking a highly experienced and visionary Lead Back-End Software Engineer to architect and drive the development of scalable, secure, and high-performance backend systems. This role is ideal for a hands-on leader who thrives in a fast-paced environment and is passionate about building robust infrastructure that powers intelligent, data-driven applications.

Key Responsibilities

• Architect and develop scalable, secure, and maintainable backend systems.
• Design and implement RESTful and asynchronous APIs using Python, Node.js, or similar technologies.
• Integrate AI and cognitive services (e.g., OpenAI, Azure Cognitive Services) into backend workflows.
• Manage and optimize CI/CD pipelines and oversee cloud deployments across Azure, AWS, or GCP.
• Implement and maintain messaging systems (Kafka, RabbitMQ) and real-time communication (WebSockets).
• Work with SQL and NoSQL databases, optimizing schemas and ensuring high performance.
• Lead and mentor a team of backend engineers; conduct code reviews and promote best practices.
• Collaborate with cross-functional teams (Product, Front-End, DevOps, Data Science) to align technical solutions with business goals.
• Ensure system performance, scalability, and security through proactive monitoring and optimization.
• Maintain comprehensive documentation and uphold high standards of code quality.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 10+ years of backend development experience, with 2–3 years in a technical leadership role.
• Proficient in Python or Node.js with strong API architecture and design skills.
• Experience integrating AI services and working with major cloud platforms (Azure, AWS, GCP).
• Deep understanding of backend performance tuning, security best practices, and scalability strategies.
• Familiarity with agile methodologies, version control (Git), and collaborative development practices.
• Excellent communication skills and a passion for mentoring and team development.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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