Full Stack Technology Lead - Vice President

Citi; Mississauga; On-site; CAD 120,800 - 170,800; Full time

Job summary

Citi is seeking a Full Stack Senior Tech Lead to drive the design and implementation of new or revised application systems in coordination with the Technology team.

Responsibilities include building scalable full-stack apps with ReactJS, TypeScript and Python, shaping architecture decisions, and advancing AI-assisted coding and DevOps practices. The role emphasizes leadership, quality, and secure, maintainable code.

Qualifications

• 6+ years in full-stack development with ReactJS and TypeScript.
• Advanced TypeScript knowledge including generics and decorators.
• Strong Python experience with modular architecture and middleware.
• Experience with REST, GraphQL, versioning, and performance tuning.
• Databases: SQL and NoSQL.
• HTML/CSS and responsive design expertise.
• Familiarity with AI agent coding and AI toolchains.
• DevOps practices including Docker, Kubernetes, and CI/CD.

Responsibilities

• Design, develop and maintain scalable full-stack applications using ReactJS, TS and Python.
• Translate business requirements into architecture and design documents.
• Contribute to system architecture decisions (monolith vs microservices, database design, API strategies).
• Support CI/CD pipelines and release processes.
• Lead AI agent coding initiatives and tooling integration.
• Define guardrails and quality gates for AI-generated code.

Skills

ReactJS

TypeScript

Python

API design

SQL

NoSQL

HTML/CSS

Design systems

DevOps

Kafka/RabbitMQ

Education

Bachelor’s degree

Master’s degree

Tools

Docker

Kubernetes

Terraform

CI/CD pipelines

Job description

The Full Stack Senior Tech lead responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities

• Design, develop and maintain scalable full-stack applications using ReactJS, Typescript and Python.
• Translate complex business requirements into technical architecture and design documents.
• Contribute to system architecture decisions (e.g. monolith vs microservices, database design, API strategies)
• Support development strategies and CI/CD pipelines, ensuring smooth release processes
• Lead by example in using Claude Code as a primary development accelerator . From scaffolding features and writing tests to refactoring and documentation generation.
• Design and implement agentic workflows where Claude Code autonomously handles multi-step engineering tasks such as issue triage, code review assistance, PR generation, and deployment scripting.
• Ideate and prototype AI-augmented engineering processes identifying opportunities where agentic AI can reduce manual effort across the SDLC (e.g., automated bug fixes, test generation, dependency upgrades).
• Establish prompt engineering standards and best practices for the team to ensure consistent, high-quality outputs from AI coding tools.
• Evaluate and integrate emerging AI coding capabilities into the team's toolchain, staying ahead of the curve on agentic AI developments.
• Define guardrails, review processes, and quality gates for AI-generated code to ensure security, correctness, and maintainability.

Qualifications

• Deep proficiency in ReactJS (hooks, context, state management libraries such as Redux/Zustand/Recoil)
• At least 6+ years in full-stack development with ReactJS, Typescript
• Advanced Typescript knowledge or similar language including generics, decorators and advanced typing strategies.
• Strong experience in Python or similar framework (modular architecture, middleware, interceptors, guards, providers)
• Expert in API design principals (REST, GraphQL, versioning, error handling, performance tuning)
• Proficiency with databases (SQL & NoSQL) and related tools .
• Strong command of modern HTML/CSS, responsive design and accessibility standards.
• Experience with design systems and component libraries
• Familiarity with event-driven architecture, messaging queues (Kafka, RabbitMQ, etc)
• Experience with AI Agent harness led coding
• Skilled in designing distributed systems and scalable applications.
• Knowledge of DevOps practices (Docker, Kubernetes, Terraform, CI/CD pipelines)
• Hands-on experience with large-scale, production-grade applications

Education

• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location Full Time Salary Range

$120,800.00 - $170,800.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate’s skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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