Senior AI Engineer

Tata Consultancy Services Limited; Toronto; On-site; CAD 120,000 - 170,000; Full time

Job summary

Tata Consultancy Services Canada Inc. in Toronto, ON, is seeking a Senior AI Engineer to lead the design, development, and deployment of enterprise‑scale Generative AI solutions.

You will own system architecture, agentic workflows, and GenAI pipelines across backend services and APIs. Ideal candidates bring deep GenAI, NLP, and LLM experience, hands‑on practice with TensorFlow/PyTorch, and a track record of mentoring engineers in Agile teams.

Qualifications

• Proficiency in Python, Java, R, and SQL.
• Frontend and full‑stack development experience with ReactJS, HTML, CSS, and Node.js.
• Hands‑on experience with TensorFlow, Keras, and PyTorch.
• Strong foundations in Generative AI, NLP, and NLU.
• Expertise working with Large Language Models (LLMs) and prompt engineering.
• Experience with LangChain and familiarity with LangGraph and Ollama.
• Understanding of agentic system design, tool use, and workflow orchestration patterns.
• Strong knowledge of vector databases, RAG pipelines, semantic search, and embedding techniques.
• Demonstrated experience in microservices architecture, service‑oriented design, and building scalable REST APIs.
• Expertise in API‑driven development and integration patterns.
• Experience with model packaging, containerization, deployment pipelines, and operational monitoring.
• Hands‑on experience with GitHub, GitHub Actions, and CI/CD automation.
• Familiarity with both SQL and NoSQL databases.

Responsibilities

• Lead design, development, and deployment of enterprise‑scale GenAI solutions.
• Own system architecture and end‑to‑end GenAI pipelines.
• Design agentic workflows using LLMs, tools, and orchestration frameworks.
• Build and integrate GenAI pipelines including inference, embedding, and API exposure.
• Collaborate with data/platform teams on vector search and semantic grounding.
• Develop frontend‑backed GenAI apps and robust backend services.
• Create scalable microservices and secure RESTful APIs for AI capabilities.
• Integrate GenAI functions with modern web interfaces.
• Drive CI/CD releases and containerized deployments for AI apps.
• Mentor engineers and participate in architectural reviews.
• Promote engineering best practices and Agile delivery.

Skills

Python

Java

R

SQL

ReactJS

HTML

CSS

Node.js

TensorFlow

Keras

PyTorch

Generative AI

NLP

NLU

LLMs

Prompt engineering

LangChain

LangGraph

Ollama

Vector databases

RAG pipelines

Semantic search

Embedding techniques

Microservices

API design

CI/CD

GitHub

GitHub Actions

SQL databases

NoSQL databases

Tools

LangChain

LangGraph

Ollama

REST

API integration

Job description

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.

Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

It has set an aspiration 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 of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.

Job Description – Senior AI Engineer (Generative AI / Full‑Stack / Architecture)

Role Overview

The Senior AI Engineer will lead the design, development, and deployment of enterprise‑scale Generative AI solutions. This role involves ownership of system architecture, agentic workflow design, end‑to‑end GenAI pipelines, and high‑performance backend services. The ideal candidate combines deep engineering expertise with hands‑on experience in LLMs, scalable microservices, and modern software development practices. This position also includes mentoring engineers and driving engineering standards across teams.

Key Responsibilities

• Generative AI Engineering & Architecture
• Lead the architecture, development, and production deployment of enterprise‑grade Generative AI systems with a focus on scalability, reliability, and performance.
• Design and implement agentic workflows using LLMs, tools, and orchestration frameworks to enable intelligent autonomous behaviors.
• Build and integrate end‑to‑end GenAI pipelines, including model inference, RAG (Retrieval-Augmented Generation), embeddings, and application consumption via APIs.
• Collaborate with data and platform engineering teams to implement vector search, semantic retrieval, and contextual grounding for AI‑driven responses.
• Apply strong full‑stack engi neering skills to build user‑facing GenAI applications and robust backend systems.
• Develop scalable microservices and secure RESTful APIs to expose AI and ML capabilities across enterprise applications.
• Integrate GenAI functions with front‑end interfaces built using modern web technologies.
• Deployment, Operations, & Quality: Lead model deployment, packaging, performance optimization, and lifecycle management in production environments.
• Ensure reliability and quality through test‑driven development (TDD), reusable component design, and modern architectural principles.
• Drive CI/CD‑based releases, containerized deployments, and DevOps practices for AI‑driven applications.
• Provide technical mentorship to intermediate engineers and contribute to architectural design reviews.
• Champion engineering best practices, coding standards, and continuous improvement within Agile delivery teams.

Required Skills & Technical Expertise

• Proficiency in Python, Java, R, and SQL.
• Frontend and full‑stack development experience with ReactJS, HTML, CSS, and Node.js.
• Hands‑on experience with TensorFlow, Keras, and PyTorch.
• Strong foundations in Generative AI, NLP, and NLU.
• Expertise working with Large Language Models (LLMs) and prompt engineering.
• Experience with LangChain and familiarity with LangGraph and Ollama.
• Understanding of agentic system design, tool use, and workflow orchestration patterns.
• Strong knowledge of vector databases, RAG pipelines, semantic search, and embedding techniques.
• Demonstrated experience in microservices architecture, service‑oriented design, and building scalable REST APIs.
• Expertise in API‑driven development and integration patterns.
• Experience with model packaging, containerization, deployment pipelines, and operational monitoring.
• Hands‑on experience with GitHub, GitHub Actions, and CI/CD automation.
• Familiarity with both SQL and NoSQL databases.

Preferred Qualifications

• Experience with cloud‑based GenAI platforms (Azure OpenAI, AWS Bedrock, Google Vertex AI).
• Knowledge of distributed systems, high‑availability architectures, and performance tuning.
• Prior experience leading technical initiatives or architectural decision‑making.

Soft Skills

• Strong leadership, communication, and mentoring capabilities.
• Ability to work across cross‑functional teams in fast‑paced Agile en vironments.
• Strategic thinking with the ability to translate business needs into scalable AI solutions.

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

Location

Toronto, ON

Job Function

TECHNOLOGY

Role

Job Id

428153

Desired Skills

Artificial Intelligence | DevOps | REST | API Microservices