Job Specifications
Role: Domain & Technical Lead (Onshore)
Location: Toronto, Canada
Work Model: Onsite / Hybrid (as applicable)
Overview
The Domain & Technical Lead will act as the portfolio’s technical and domain Subject Matter Expert (SME), providing hands-on leadership across critical customer journeys. This role is accountable for guiding high-severity incident resolution, defining and enforcing non-functional standards, reviewing changes, and partnering closely with product and business teams to ensure reliable, high-performing web and mobile experiences.
The portfolio includes platforms such as Web & Mobile applications, Amazon Connect, Decisioning systems, Analytics platforms, SAS 360, and Astrum.
Key Responsibilities
Provide hands-on technical leadership during high-severity incidents, driving diagnostics, root cause isolation, and decision-making.
Own Problem Management outcomes, ensuring high-quality RCAs, managing defect backlogs, identifying recurring patterns, and implementing preventative measures.
Define, implement, and enforce Non-Functional Requirements (NFRs) including availability, latency, error budgets, SLOs, and SLIs.
Establish and maintain observability standards across logs, metrics, traces, and alerting.
Review and govern release plans, rollback strategies, and performance test results for critical customer journeys.
Partner with business and product teams on launch readiness, peak traffic planning, experimentation/feature flags, and risk mitigation strategies.
Drive technical debt reduction and operational hardening, including improvements around timeouts, retries, bulkheads, circuit breakers, and resiliency patterns.
Mentor L1.5 and L2 support engineers, improving technical depth and operational maturity.
Develop, refine, and standardize runbooks and operational playbooks to ensure consistent incident response.
Required Skills & Experience
Strong expertise in microservices architecture, APIs, and distributed systems.
Hands-on experience with cloud platforms (Azure and AWS).
Solid understanding of event-driven architectures (e.g., Kafka or equivalent).
Deep proficiency in observability tools (logging, metrics, distributed tracing) and performance tuning.
Strong domain knowledge in Card/Payments, including:
Authorization flows
Instant credit decisioning
Account servicing
Dispute and chargeback lifecycle
Ability to lead cross-functional technical discussions and make risk-based decisions under pressure.
Preferred Qualifications
Experience with Amazon Connect (contact flows, routing profiles, integrations).
Exposure to mobile application CI/CD pipelines and app release governance.
Experience with SAS 360 or similar customer decisioning/analytics platforms.
10+ years of experience in application architecture, production support leadership, or platform engineering roles.
About the Company
Enterprise Solutions, Inc. is a technology-intensive services company. We develop and deliver software and engineering solutions to our partners; we work relentlessly to keep our clients happy, and we measure our business success with the trust we earn from them.
Enterprise Solutions offers implementation services for VMS, MSP, ERP, cloud, analytics and digital transformation. We are a certified Minority Business Enterprise (MBE).
We have extensive experience in end-to-end software development using a wide array of techno...
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