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Added 9 days ago
Senior/Staff Full Stack Engineer
Workstream
Vancouver, BC
You are a seasoned Senior Full Stack Engineer with a strong background in full-stack application development.
Added 1 month ago
Senior Staff Software Engineer - International Card Tech - Full-stack
Capital One
Toronto, Ontario
Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Staff Software Engineer - International Card Tech - Full-stack
Added 1 month ago
Senior Staff Software Engineer - Capital One Travel Tech - Full-stack
Capital One
Toronto, Ontario
Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Staff Software Engineer - Capital One Travel Tech - Full-stack
Added 1 month ago
Senior Staff Software Engineer - International Card Tech - Full-stack
Capital One
Toronto, ON
Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Staff Software Engineer - International Card Tech - Full-stack
Added 1 day ago
Senior L3 AI Engineer
Tata Consultancy Services
Montreal, QC
Full-time
We are seeking a Senior Level 3 AI Engineer to act as the first point of call for engineering issues across the firm’s end user AI products - Microsoft Copilot, OpenAI ChatGPT, Anthropic…
Added 5 days ago
Senior Software Engineer (Conductor)
PocketHealth
Toronto, ON
Full-time
As a Senior Software Engineer, you are a full-stack software engineer who works directly alongside healthcare providers to get Conductor live and to make it matter. You take a signed…
Added 2 days ago
Staff Software Engineer - Full-Stack, Solution Architecture
Blazesoft
Concord, ON
Full-time
Full-stack, production-grade. Senior/staff experience building software end-to-end: .NET / C# REST APIs and Next.js / React front-ends with server-side rendering and real-time streaming…
Added 2 days ago
Lead Software Engineer – AI, Data Visualization & Platform
Astucemedia
Montreal, QC
Full-time
You will work closely with our Lead Solutions Architect, Products Integrative Director, Technical Project Manager, and Staff and Senior Developers across front-end and back-end teams. You…
Added 2 days ago
Staff Software Engineer
Affinity
Remote, Canada
Full-time · Remote
Reporting to the Sr Engineering Manager, as a Staff Software Engineer, you'll have the opportunity to push our product in new directions while also shaping the next iterations of the…
Added 2 days ago
Senior Software Engineer (Front End / Integration), Hospitality Operations Technology
Four Seasons Hotels and Resorts
Toronto, ON · Four Seasons Corporate Headquarters Toronto
Full-time
We are seeking a skilled Software Engineer with a strong background in web UX/UI Developer to design and develop intuitive, user centered digital experiences across the Property Management…
Added 1 month ago
Senior Appian Developer
The Hospital for Sick Children
Toronto, ON
Full-time
The position sits within a team that includes full-stack developers, a DevOps engineer, a Business Analyst, a Product Owner, and alongside an App Support team with foundational technical…
Added 4 days ago
Staff Firmware Engineer
Building Ventures
Engineer, BC
Full-time
As a Staff Firmware Engineer at Copper, you’ll help build the firmware that powers our energy-storage-enabled appliances. You’ll work across device firmware, connectivity, and cloud data…
Added 3 days ago
Senior Software Engineer, Agent Gateway
Okta
Toronto, ON
Okta is looking for a Senior Software Engineer to help build the Agent Gateway. You will own features and components across the data and control planes, turning technical designs and…
Added 3 days ago
Senior Staff Software Engineer, Stripe Dashboard
Stripe
Toronto, ON
Full-time
As a Senior Staff Engineer on the Merchant Experience team, you'll be a technical leader across 50+ Engineers responsible for shaping the next generation of how Stripe merchants interact…
Added 3 days ago
Senior Software Engineer, Agent Gateway
Okta
Toronto, ON
$136,000 to $187,000 CAD / year
Full-time
Okta is looking for a Senior Software Engineer to help build the Agent Gateway. You will own features and components across the data and control planes, turning technical designs and…
Added 3 days ago
Staff Software Engineer, Fullstack
Cloudjobs
Toronto, ON
Full-time
As a staff software engineer in Reverse ETL, you’ll be on the front lines of integrating data activation capabilities into the Fivetran product along every dimension – UI, authentication,…
Added 4 days ago
Sr. Software Engineer
DNV
Toronto, ON
Full-time
The Senior Software Engineer designs, builds, tests, deploys, and supports scalable software across a modern full-stack, multi-cloud environment. The primary application stack includes…
Added 4 days ago
Senior Staff Software Developer, Developer Infrastructure
Robinhood
Toronto, ON
As the Senior Staff Software Developer, Developer Infrastructure, you are the technical driver of this entire org - the Uber Tech Lead unifying DevX, TestX, Backend Platform, and Mobile…
Added 19 days ago
Staff Software Engineer
Open People Network (OPN)
Toronto, ON
Full-time
…person who hears a feature description and immediately sees the full technical picture without being told what to build. It’s the hardest skill to find and the one AI can’t…
Added 6 days ago
Staff Software Engineer - DevX
Amplitude
Vancouver, BC
We're looking for a Staff Software Engineer – DevX (Hybrid – Vancouver, Canada) who bridges infrastructure and application thinking and can accelerate how the whole team develops, tests,…
Added 12 days ago
Senior Full Stack Engineer (React/Node/Nest)
Resonaite
Markham, ON
Contract
Our client is seeking a Principal Full Stack Engineer on a contract basis to provide technical leadership and hands-on engineering across the design and delivery of scalable APIs, modern…
Added 17 days ago
Staff/Lead Enterprise Security Engineer
Beacon Software
Toronto, ON
Full-time
You will be Beacon's first dedicated security engineer. You will set the strategy for enterprise security and build the program from the ground up.
Added 17 days ago
Senior Software Engineer, Conductor
PocketHealth
Toronto, ON
Full-time
As a Senior Software Engineer, you are a full-stack software engineer who works directly alongside healthcare providers to get Conductor live and to make it matter. You take a signed…
Added 5 months ago
Senior Software Developer
Lightwell Learning Society
Vancouver, BC
Full-time
The Senior Full Stack Engineer – Platform & AI Systems will play a key role in building our PEAK platform as part of our RISE Next Generation AI initiative.
Added 17 days ago
Staff Data Platform Engineer - Snowflake
RBC
Toronto, ON
Full-time
Join RBC's Cloud Data Lake Platform (Snowflake) Engineering team as a Staff Data Platform Engineer, where you'll play a critical role in designing, building, and operating one of Canada's…

Tata Consultancy Services

Senior L3 AI Engineer

Montreal, QC, Canada

Job type: Full-time
Apply by: Oct 19, 2026
Posting language: English
Posted: Sep 19, 2026

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Original job description

Inclusion without Exception

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.

TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.

Job Description :-

Role Summary

We are seeking a Senior Level 3 AI Engineer to act as the first point of call for engineering issues across the firm’s end user AI products - Microsoft Copilot, OpenAI ChatGPT, Anthropic Claude, Grok and Gemini, together with other AI products as they are introduced (for example Zoom AI Companion). You will investigate complex queries that front-line support cannot resolve, work with lead Microsoft and vendor engineers on new features, and uplift the wider support team. Each engineer maintains broad coverage of the full portfolio while owning one product as point of contact. Over time, the team will help build an agent to automate training, Level 2 and QA tasks.

Key Responsibilities

Act as the first point of call for engineering issues across the AI portfolio and investigate complex queries that Level 2.5 cannot resolve.

Configure, deploy and scale AI products, including tenant and admin configuration, integrations and automation (e.g. M365, Entra ID, Purview/DLP, Azure OpenAI, connectors and the Power Platform).

Work with lead Microsoft and vendor engineers to test, validate and roll out new features and models, balancing speed of enablement against security and compliance.

Review Level 2.5 documentation and knowledge articles for quality and accuracy, and feed corrections back into the knowledge base.

Train and uplift the Level 2.5 support team; provide deep-dive guidance and escalation paths.

Own one AI product as point of contact (POC) while maintaining working knowledge of the full portfolio; provide cover for the partner location.

Drive incident, problem and root-cause analysis for platform reliability; contribute to post-implementation reviews.

Contribute to the longer-term goal of building an AI agent to automate training, Level 2 and QA activity.

Qualifications & Experience

Good years in an engineering, platform or senior technical support role in enterprise environments (financial services preferred).

Hands-on experience deploying and supporting AI/LLM products or M365 at enterprise scale; strong understanding of generative-AI concepts.

Strong scripting and automation skills (e.g. Python, PowerShell, Microsoft Graph API) and familiarity with CI/CD concepts.

Experience with security and compliance controls relevant to AI (DLP/Purview, access management, SSO/SCIM, audit logging, responsible-AI policies).

Experience of connectors and/or the Power Platform; integration experience across M365, ServiceNow and identity platforms.

BSc/BA in Computer Science, Engineering or related field (or equivalent experience). For Montreal, bilingual (English/French) is an asset.

Core Skills

Deep technical troubleshooting and root-cause analysis across AI and M365 platforms.

Automation and scripting; ability to build tooling that reduces manual effort.

Feature and model evaluation; translating vendor releases into safe enterprise rollouts.

Knowledge-base authoring and mentoring of junior support staff.

Collaboration across locations with disciplined handover.

Key Performance Indicators

Time-to-resolution for escalated and complex engineering queries.

Quality of new-feature rollouts (defects, rollbacks, compliance adherence).

Accuracy and coverage of knowledge articles reviewed and improved.

Uplift in Level 2.5 first-time resolution as a result of training and documentation.

Contribution to automation/agent initiatives that reduce manual effort.

Working Conditions

Based in Montreal or Bengaluru with staggered hours to maximise daily coverage under the follow-the-sun model.

Operate within the follow-the-sun model across Montreal and Bengaluru, providing single-product ownership (acting as point of contact for one product) while maintaining broad coverage of the full AI portfolio, with structured handover of open items at shift change.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

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More about this job

Responsibilities

The engineer will act as the primary point of contact for complex engineering issues across various AI products and manage their configuration, deployment, and scaling. They will also contribute to the development of AI agents for automation and provide technical mentorship to the support team.

Requirements

Candidates must have significant experience in enterprise-level engineering or technical support, specifically with AI/LLM products and M365 environments. Strong proficiency in scripting, automation, and security compliance controls is required, along with a relevant bachelor's degree.

Skills

AI Engineering
Microsoft Copilot
OpenAI ChatGPT
Python
PowerShell
Microsoft Graph API
CI/CD
M365
Azure OpenAI
Power Platform
Troubleshooting
Root-cause analysis
Automation
Security compliance
Identity management

Visa sponsorship

Not detected in the job text

Keywords

AI Engineer
Microsoft Copilot
OpenAI
Anthropic Claude
Grok
Gemini
Zoom AI Companion
M365
Entra ID
Purview
DLP
Azure OpenAI
Power Platform
Python
PowerShell
Microsoft Graph API
CI/CD
SSO
SCIM
ServiceNow
Root-cause analysis
Automation
Enterprise architecture
Generative AI
IT Services

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