Senior Full Stack Engineer - Senior Vice President

Citibank (Switzerland) AG; Mississauga; Hybrid; Confidential; Full time

Job summary

Citibank (Switzerland) AG in Mississauga, Ontario, seeks an experienced Senior Full Stack Engineer to lead architecture and hands-on development of scalable AI-enabled applications. You will define standards, mentor engineers, and guide the tech stack across frontend, backend, and data layers.

The role emphasizes React/TypeScript frontend, Python/Java backend, and integration with LangChain/LangGraph for Retrieval-Augmented Generation.

Qualifications

• Bachelor's degree or equivalent experience.
• 10+ years of relevant experience in software development and architecture.
• Strong leadership and mentoring capabilities with proven delivery track record.

Responsibilities

• Provide strategic influence over resources, budget, and planning while guiding end results.
• Architect scalable, secure, and high-performance full-stack applications supporting AI workflows.
• Lead hands-on development across frontend and backend, with emphasis on React/TypeScript and Python/Java.

Skills

React

TypeScript

HTML5/CSS3

Python (FastAPI/Flask)

Java (Spring Boot)

LangChain

LangGraph

RAG

RESTful APIs

gRPC

WebSockets

MCP (Model Context Protocol)

Kubernetes

OpenShift

Docker

CI/CD

Security concepts (OAuth2, OIDC, TLS)

PostgreSQL

Oracle

Education

Bachelor's degree

Tools

Kubernetes/OpenShift

Docker

CI/CD tools (Harness/Jenkins/Tekton)

PostgreSQL

Oracle

MongoDB/Couchbase/Milvus/Pinecone

REST/gRPC/WebSockets

Job description

## Senior Full Stack Engineer - Senior Vice PresidentApply: Hybrid: Mississauga Ontario Canada: Full time: Posted 8 Days Ago: 26987082The Senior Full Stack Engineer - Senior Vice President is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. **Responsibilities:*** Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results* Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues* Ensure essential procedures are followed and contribute to defining standards **Technical Leadership & Architecture*** Architect Scalable Solutions: Design and architect secure, resilient, and high-performance full-stack applications capable of supporting complex Agentic AI workflows.* Define Standards: Establish and enforce technical standards, design patterns, and best practices for full-stack development and AI agent integration across the organization.* Technology Evaluation: Evaluate emerging AI frameworks, libraries, and tools to continuously evolve our technical stack and maintain a competitive edge.**Full Stack Application Development*** Hands-on Engineering: Lead and contribute to hands-on development across the entire application stack, ensuring clean, modular, and production-ready code.* Frontend Excellence: Oversee the creation of highly responsive, intuitive, and accessible user interfaces using React, TypeScript, Tailwind CSS, and modern state management libraries.* Robust Backend Services: Design and build scalable microservices and RESTful/gRPC APIs using Python (FastAPI/Flask) and/or Java (Spring Boot).* Data Management: Architect data models and integrate with relational databases (PostgreSQL, Oracle) and NoSQL/Vector databases (MongoDB, Couchbase, Milvus, or Pinecone) to support stateful AI operations.**Qualifications:*** 10+ years of relevant experience* Strong management capabilities with a track record of mentoring engineers and driving technical delivery.* Analytical mindset with a passion for solving complex, ambiguous problems in a fast-paced environment.**Technical Stack & Competencies*** Frontend: Deep expertise in React, TypeScript, HTML5, CSS3,* Backend: Advanced proficiency in Python (FastAPI, Flask, Celery) and/or Java (Spring Boot, Spring Cloud).* Agentic AI: Proven experience with LangChain, LangGraph. Solid understanding of Retrieval-Augmented Generation (RAG), vector embeddings, semantic search.* APIs & Protocols: Strong experience with RESTful APIs, gRPC, WebSockets, and Model Context Protocol (MCP).* Cloud & DevOps: Hands-on experience with Kubernetes / Red Hat OpenShift, Docker, and CI/CD platforms (Harness, Jenkins, or Tekton).* Security: Strong understanding of enterprise security concepts, including OAuth2, OIDC, TLS, HashiCorp Vault etc* Databases: Experience with SQL (PostgreSQL, Oracle) and NoSQL (MongoDB, Couchbase) databases.**Education:*** Bachelor’s degree/University degree or equivalent experience