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  3. Full-Stack Engineer II
Affinity logo

Full-Stack Engineer II

Affinity
Toronto, Ontario
Full Time
Posted April 9, 2026
CA$104k - CA$130k
Not Specified
~52 people viewed this recently
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Application opens on company website

Job Description

A full-stack Software Engineer II role focused on developing and enhancing core backend and frontend features of Affinity's relationship intelligence platform, collaborating with cross-functional teams to deliver high-quality, scalable web applications.

Key Responsibilities

  • Own and develop critical product areas to ensure customer and business success
  • Collaborate with engineering, product, and design teams to improve the product
  • Define and implement backend data models and core system components
  • Build and enhance frontend interfaces, including design systems and visualizations
  • Write scalable server-side code using Ruby and PostgreSQL
  • Develop user interfaces with React and modern component-based frameworks
  • Design relational database systems to optimize performance and scalability
  • Contribute ideas to improve the product and development processes

Requirements

  • Three (3) years of experience as a full-stack software engineer, including familiarity with the different pieces of technology involved in building modern web applications.
  • Experience applying AI tools and best practices to enhance efficiency, code quality, and delivery of business objectives.
  • Experience writing server-side code leveraging modern Object-Oriented Programming (OOP) practices using Ruby and PostgreSQL.
  • Experience building interfaces with React and modern component-based interfaces.
  • A strong understanding of relational databases and the ability to design and implement systems that scale and avoid performance bottlenecks.

Benefits & Perks

Compensation/salary range: 104,000 to 130,000 CAD
Work schedule: Flexible personal sick days
Work environment perks: Virtual team-building activities and socials
Additional benefits: Extended health benefit premiums for employee and dependents, RRSP retirement plan, annual education budget and comprehensive learning & development program, monthly wellness reimbursements (home internet, meals, wellness memberships), health and wellness support

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