Senior Java Full-Stack Tech Lead

Citigroup Inc.; Mississauga; On-site; CAD 145,000 - 218,000; Full time

Job summary

Citigroup Inc. in Mississauga, Canada, seeks a senior Applications Development Technology Senior Lead Analyst to lead the design and implementation of new or revised application systems, driving architecture and delivery across multiple teams.

You will mentor developers, coordinate complex projects, and ensure compliance with company policies while delivering scalable, secure, and high‑quality software solutions in an agile environment.

Qualifications

• 10+ years of experience in full-stack web application development.
• Strong backend development experience with Java and Spring Boot (REST APIs, security concepts, performance, and scalability).
• Strong front-end development experience with Angular including TypeScript, HTML5, and CSS.
• Experience using UI component libraries such as Kendo UI.
• Working knowledge of micro front-end architecture and patterns.
• Solid understanding of API design and microservices (service boundaries, resilience, observability basics).
• Hands-on experience with SQL Server and relational data modeling.
• Experience with Elasticsearch and event streaming with Kafka.
• Proficiency with GitHub / Bitbucket workflows and practical experience with CI/CD pipelines.
• Strong communication skills, ownership mindset, and ability to work collaboratively in an agile team.
• Preferred / Nice to Have: Experience with cloud platforms (AWS, Azure, or GCP).
• Containerization and orchestration experience (Docker, Kubernetes/OpenShift).
• Experience with automated testing frameworks (unit, integration, and UI testing).
• Exposure to observability practices (logging, metrics, tracing) and production support

Responsibilities

• Lead integration of functions to meet goals, deploy new products, and enhance processes.
• Analyze complex business processes, system processes, and industry standards to define and develop solutions to high level problems.
• Provide expertise in area of advanced knowledge of applications programming and plan assignments involving large budgets, cross functional project, or multiple projects.
• Develop application methodologies and standards for program analysis, design, coding, testing, debugging, and implementation.
• Utilize advanced knowledge of supported main system flows and comprehensive knowledge of multiple areas to achieve technology goals.
• Consult with end users to identify system function specifications and incorporate into overall system design.
• Allocate work, and act as an advisor/coach developers, analysts, and new team members.
• Influence and negotiate with senior leaders and communicate with external parties.
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Skills

Java

Spring Boot

Angular

TypeScript

HTML5

CSS

Kendo UI

Micro front-end

API design

Microservices

SQL Server

Elasticsearch

Kafka

GitHub/Bitbucket

CI/CD

Cloud: AWS/Azure/GCP

Docker

Kubernetes/OpenShift

Testing frameworks

Observability

Agile

Communication

Education

Bachelor’s degree/University degree or equivalent experience

Master’s degree preferred

Tools

Docker

Kubernetes

OpenShift

Kafka

Elasticsearch

CI/CD pipelines

GitHub/Bitbucket

Job description

Citigroup Inc. in Mississauga, Canada, seeks a senior Applications Development Technology Senior Lead Analyst to lead the design and implementation of new or revised application systems, driving architecture and delivery across multiple teams.

You will mentor developers, coordinate complex projects, and ensure compliance with company policies while delivering scalable, secure, and high‑quality software solutions in an agile environment.