Technical Lead

1 week ago

Markham, Ontario, Canada Resonaite Full time

Our client is seeking a contract based Technical Lead to work on their modernization program.

The ideal candidate will be a hands-on leader who guides architecture, mentors developers, and drives technical decisions across critical Enercare platforms. They will work deeply with TypeScript, , React, Azure services, and modern engineering practices.

Location: Hybrid Markham 4d/week

Duration: 6 months

Responsibilities

  • Lead the design, architecture, and delivery of fullstack applications using
    TypeScript, , and React
    .
  • Define technical direction for CRM modernization initiatives, including re-platforming to Azure-based services.
  • Lead technical design reviews, architectural governance, and solution patterns across teams.
  • Drive adoption of Azure-native services and best practices (APIM, Functions, Service Bus, App Service, APM tools, etc.).
  • Partner with product, UX, data, and cloud engineering teams to translate requirements into scalable solutions.
  • Architect, build, and optimize
    REST APIs
    , microservices, event-driven components, and integrations.
  • Design secure, compliant systems for
    payment processing
    (PCI-aware patterns, tokenization, payment gateways).
  • Implement telemetry, monitoring, and observability using
    Azure Application Insights / APM
    .
  • Drive high-quality engineering through automated testing, security-by-design, and CI/CD practices.
  • Champion modernization—breaking down monolithic CRM workflows into modular API-driven services.
  • Provide hands-on technical leadership and mentorship to senior and intermediate developers.
  • Champion best practices in architecture, code quality, performance, and operational excellence.

Requirements:

  • 8–12+ years of professional software engineering experience.
  • Expert-level experience in TypeScript, , and modern JavaScript frameworks (React, ).
  • Strong experience architecting and scaling backend services, microservices, and distributed systems.
  • Deep knowledge of Azure cloud services, including: App Service, Functions, Service Bus, Event Grid, Azure API Management (APIM), Azure SQL, Cosmos DB, Application Insights / APM
  • Strong understanding of DevOps and CI/CD pipelines (Azure DevOps or GitHub Actions).
  • Solid experience working with SQL/NoSQL databases, caching layers, and API performance tuning.
  • Ideally - experience integrating or building payment systems, payment gateways, or PCI-compliant flows.
  • Modernizing or re-platforming enterprise CRM systems (on-prem to cloud or monolith to microservices).
  • Hands-on experience with DDD, event-driven architecture, and modular domain design.
  • Experience with identity, authentication, and authorization (Azure AD / Entra ID, OAuth2, JWT, SSO).
  • Experience leading teams in Agile product development environments.

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