Senior Backend Engineer

Commit; Toronto; On-site; CAD 120,000 - 180,000; Full time

Job summary

Commit in Toronto is seeking a Senior Backend Engineer to join the Customer Focus Group (CFG). You will design and maintain backend services and APIs, translating customer needs into product improvements.

The role emphasizes infrastructure, performance, scalability, and customer satisfaction, with collaboration across Product, Engineering, Sales, and Customer Success. Experience with cloud platforms is essential.

Qualifications

• 5+ years backend development experience, preferably with customer-focused products.
• Strong knowledge of microservices, APIs, and scalable architectures.
• Experience with cloud platforms and data processing at scale.
• Proficient in Node.js/TypeScript and modern backend stacks.
• Excellent written and verbal communication, especially with distributed teams.

Responsibilities

• Design, build, and maintain scalable backend services and APIs.
• Develop new features based on customer and product requirements.
• Work closely with customers to translate needs into technical solutions.
• Investigate and resolve complex technical and production issues.
• Improve system performance, reliability, and scalability.
• Contribute to backend architecture and technical decision-making.
• Work with SQL and NoSQL databases and support high-volume data processing.
• Build and maintain cloud-based solutions using AWS, Azure, or GCP.
• Collaborate with Product, Engineering, Sales, and Customer Success teams.
• Participate in code reviews, testing, CI/CD, and Agile development processes.
• Take ownership of features from design and development through deployment and support.
• Help improve the overall customer experience and product quality.

Skills

Backend architecture

Node.js / TypeScript

SQL & NoSQL

Cloud platforms (AWS/Azure/GCP)

API design & microservices

CI/CD / DevOps

Agile development

Communication & collaboration

Job description

The company is hiring a Senior Backend Engineer to join its Customer Focus Group (CFG) — a technical team that connects engineering with the commercial side of the product.

CFG team members work across development, architecture, product, and customer-facing activities. The role involves understanding customer needs, translating them into product improvements, building new features, and solving urgent technical challenges.

We’re looking for a strong backend engineer who can combine deep technical expertise with a broader product and customer perspective. The role has a strong focus on infrastructure, performance, scalability, and customer satisfaction.

Responsibilities

• Design, build, and maintain scalable backend services and APIs
• Develop new features based on customer and product requirements
• Work closely with customers to understand their needs and translate them into technical solutions
• Investigate and resolve complex technical and production issues
• Improve system performance, reliability, and scalability
• Contribute to backend architecture and technical decision-making
• Work with SQL and NoSQL databases and support high-volume data processing
• Build and maintain cloud-based solutions using AWS, Azure, or GCP
• Collaborate with Product, Engineering, Sales, and Customer Success teams
• Participate in code reviews, testing, CI/CD, and Agile development processes
• Take ownership of features from design and development through deployment and support
• Help improve the overall customer experience and product quality

Requirements

• Strong understanding of backend architecture, including microservices, API design, and design patterns
• Proficiency in Node.js / TypeScript or another relevant backend language
• Experience with SQL and NoSQL databases
• Experience building and scaling systems for high-volume data processing
• Hands-on experience with AWS, Azure, or GCP
• Familiarity with cloud services such as serverless computing and managed databases
• 5+ years of backend development experience, preferably with customer-focused products
• Strong problem-solving skills and experience building performant, scalable solutions
• Experience with Agile development and CI/CD pipelines
• Excellent communication and collaboration skills, including working with globally distributed teams