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.

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.

Key Responsibilities:

• Build Python-based GenAI services using prompt engineering techniques tailored for functional and regression test case generation, negative, boundary, and edge-case coverage, and secure code analysis and vulnerability remediation guidance

• Design, test, and optimize prompt strategies for accuracy, determinism, and repeatability in enterprise use cases

• Integrate GenAI workflows with CI/CD, test frameworks, and security tooling

• Implement guardrails to manage hallucinations, prompt injection risks, and data leakage

• Mentor engineers on responsible GenAI usage, prompt patterns, and model evaluation practices

• Technical & Engineering Excellence:

• Build Python-based GenAI services using prompt engineering techniques tailored for functional and regression test case generation, negative, boundary, and edge-case coverage, and secure code analysis and vulnerability remediation guidance

• Design, test, and optimize prompt strategies for accuracy, determinism, and repeatability in enterprise use cases

• Integrate GenAI workflows with CI/CD, test frameworks, and security tooling

• Implement guardrails to manage hallucinations, prompt injection risks, and data leakage

• Mentor engineers on responsible GenAI usage, prompt patterns, and model evaluation practices

Must-Have Skills:

• Strong hands-on experience with Python (enterprise-grade, production-ready code)

• Deep expertise in prompt engineering for GenAI use cases

• Experience applying GenAI to test automation and security vulnerability remediation

• Strong understanding of SDLC, QA processes, and secure coding practices

• Experience working with multiple stakeholders in regulated BFSI environments

Nice-to-Have Skills:

• Experience integrating GenAI with CI/CD, test frameworks, or security tooling

• Exposure to responsible AI, explainability, and governance frameworks

• Prior experience in banking, capital markets, or financial services platforms

• Familiarity with DevSecOps or AI-assisted quality engineering practices

Salary Range - CA$ 100,000 - CA$ 120,000 Per Year

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.

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.

Location

Toronto, ON

Job Function

TECHNOLOGY

Role

Lead

Job Id

413313

Desired Skills

Artificial Intelligence | Python