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API Engineer - Job Opportunity at ISG Search Inc

Toronto, Canada
Contract
Senior
Posted: May 7, 2025
On-site
CAD 140,000 - 180,000 annually for senior API engineers in Toronto's competitive tech market, with contract rates typically 30-40% higher

Key Responsibilities

Lead the architecture and development of enterprise-scale federated GraphQL APIs supporting mission-critical global operations
Drive cross-functional collaboration with ML, data, and application teams to establish scalable data service patterns
Spearhead security implementation through RBAC and AuthN/Z systems integration
Architect and maintain comprehensive API documentation and governance frameworks
Implement advanced monitoring and testing systems for production API infrastructure
Lead legacy system modernization initiatives to enable digital transformation
Drive technical innovation through collaboration with Product and Data Science teams

Requirements

Education

Bachelor's or Master's degree in Computer Science, or related engineering field (or equivalent experience)

Experience

Real-world experience developing scalable software

Required Skills

TypeScript GraphQL Apollo Node.js Nest.js Micro-service architecture A/B testing TypeORM MongoDB PostgreSQL Redis Kafka Unit testing, integration testing, E2E testing Cloud systems (Azure, AWS, GCP)
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Sauge AI Market Intelligence

Industry Trends

The shift towards federated GraphQL architectures represents a significant evolution in API design, particularly for enterprises managing complex microservices ecosystems. This trend is driven by the need for more flexible, scalable, and maintainable API infrastructures that can support modern distributed systems. The emphasis on real-time monitoring and A/B testing capabilities reflects the industry's movement towards data-driven API development and optimization, with a focus on measurable performance metrics and user experience. The integration of security-first design principles, particularly through RBAC implementation, aligns with the increasing focus on API security and governance in enterprise environments.

Role Significance

Typically part of a 5-8 person API platform team, with broader interaction across multiple engineering departments
Senior-level position with significant architectural decision-making authority and technical leadership responsibilities

Key Projects

API Gateway modernization and federation implementation Legacy system transformation and API standardization Security architecture implementation and governance Performance optimization and scaling initiatives

Success Factors

Deep understanding of distributed systems architecture and microservices patterns Strong security awareness and experience with enterprise-grade authentication systems Ability to balance technical excellence with pragmatic solution delivery Excellence in cross-functional collaboration and technical leadership

Market Demand

Very high demand, driven by enterprise digital transformation initiatives and the growing adoption of GraphQL and federated architectures. Toronto's tech sector shows particular strength in this area, with multiple major firms investing in API modernization.

Important Skills

Critical Skills

GraphQL and Apollo Federation expertise is central to the role's architectural responsibilities Strong TypeScript and Node.js skills are fundamental for implementation Experience with security implementation and RBAC is crucial for enterprise requirements

Beneficial Skills

Kubernetes and container orchestration knowledge enhances deployment capabilities Experience with event-driven architectures (Kafka) supports scalability requirements Familiarity with multiple cloud platforms provides deployment flexibility

Unique Aspects

Emphasis on federated GraphQL architecture suggests involvement in cutting-edge API design patterns
Strong focus on security and governance indicates enterprise-grade implementations
Combination of greenfield development and legacy system modernization offers diverse technical challenges

Career Growth

2-3 years in role typically required before advancement to more senior architectural or leadership positions

Potential Next Roles

API Platform Architecture Lead Technical Architecture Director Principal Engineer Engineering Manager - Platform Services

Company Overview

ISG Search Inc

ISG Search Inc appears to be a technical recruitment firm or consulting company working with enterprise clients on digital transformation initiatives

Mid-sized professional services organization with significant presence in the Toronto tech market
Strong presence in the Canadian technology sector, particularly in Ontario's technology corridor
Project-based environment with emphasis on technical excellence and client interaction
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  • Critical success factors and key skills
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