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sparkhire

Senior Backend Engineer

CommIT
Toronto, CAN
Full-time
Senior · 5+ years experience
Onsite
Discovered Yesterday
Node.jsTypeScriptSQLNoSQLAWSGCP
Free

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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

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