Technical Lead, API & Integration Engineering

Why you’ll love working here:
high-performance, people-focused culture

our commitment that equity, diversity, and inclusion are fundamental to our work environment and business success, which helps employees feel valued and empowered to be their authentic selves

learning and development initiatives, including workshops, Speaker Series events and access to Linked In Learning, that support employees’ career growth

membership in HOOPP’s world class defined benefit pension plan, which can serve as an important part of your retirement security

competitive, 100% company-paid extended health and dental benefits for permanent employees, including coverage supporting our team’s diversity and mental health (e.g., gender affirmation, fertility and drug treatment, psychological support benefits of $2,500 per year, parental leave top-up, and a health spending account).

optional post-retirement health and dental benefits subsidized at 50%

yoga classes, meditation workshops, nutritional consultations, and wellness seminars

the opportunity to make a difference and help take care of those who care for us, by providing a financially secure retirement for Ontario healthcare workers

Job Summary  The Pension Application Development Team (PAD) is seeking a Technical Lead, API & Integration Engineering to help drive the delivery of product development for our Digital Insight Services Platform (DISP).
Reporting to the Director, Pension Application Development, the Technical Lead, API & Integration Engineering will own the design and delivery of API integration capabilities while guiding a team of developers. You will work closely with Product Owners, Business Analysts, Architecture, and delivery partners to translate product needs into practical technical solutions, while helping the team deliver secure, stable, and maintainable services through the DISP Orchestration API / Backend-for-Frontend layer.
You will act as a hands-on technical lead for product development initiatives, balancing delivery leadership with engineering depth. This role will provide technical mentorship to developers, guide design and implementation decisions, support predictable delivery, and help establish scalable engineering practices that improve speed, resilience, security, observability, and long-term maintainability. We value thoughtful innovation, secure engineering, shared ownership, and continuous learning.

What you will do:

Development and Maintenance   Lead the design, delivery, and continuous improvement of API and integration solutions while mentoring and developing team members.
Build and evolve RESTful APIs and integration services using .NET Core, Azure cloud functions or serverless services, or equivalent AWS or GCP capabilities.
Lead complex integrations between modern digital platforms and legacy systems (e.g., Telus Health pension administration).
Design integration layers that decouple digital channels from core systems, allowing front-end teams to move independently without over-coupling to backend constraints.
Design secure, token-based API interactions using JWT, OAuth/OIDC patterns, managed identity, Key Vault, private endpoints, and least-privilege access controls.
Implement resilience patterns (e.g., retries, idempotency, asynchronous workflows, messaging, caching).
Partner with frontend teams to integrate APIs into modern web technologies such as React, Next.js, or comparable frontend frameworks.
Design and maintain integration flows where writes may trigger downstream workflows, audits, status tracking, reconciliation, and eventual consistency across systems.
Implement caching and read-model strategies using Redis, materialized views or projections, or equivalent patterns to improve performance and reduce load on legacy…