Full Stack Java Technical Lead - React.js

HCL Technologies Limited; Brampton; On-site; CAD 110,000 - 150,000; Full time

Job summary

HCL Technologies Limited in Brampton, Ontario, is seeking a seasoned Full Stack Java Technical Lead to build scalable web applications using React on the front end and Java on the back end. The role emphasizes PostgreSQL as the primary database, MongoDB for NoSQL storage, and Apache Kafka for messaging services.

You will work in an Agile environment, collaborating with cross-functional teams to deliver high-quality software solutions, write clean code, and participate in unit and integration

Qualifications

• Strong proficiency in Java, Spring Boot, RESTful APIs.
• Frontend: React JS, HTML5, CSS3, ES6+.
• PostgreSQL and MongoDB experience.
• Apache Kafka for messaging.
• Git/GitHub or similar tools.
• Maven/Gradle build tools.
• Cucumber for BDD.
• Experience with JMeter or Gatling for load testing.
• Docker/Kubernetes containerization.
• Understanding of CI/CD pipelines.

Responsibilities

• Design, develop, and maintain full-stack applications with Java and React.
• Implement PostgreSQL and MongoDB database solutions.
• Integrate Kafka for real-time messaging and event-driven architecture.
• Collaborate with cross-functional teams to deliver software.
• Write clean, maintainable code and perform unit/integration testing.
• Participate in Agile sprint planning and retrospectives.

Skills

Java

Spring Boot

REST APIs

React JS

HTML5

CSS3

JavaScript

PostgreSQL

MongoDB

Kafka

Cucumber

CI/CD

Unit Testing

Kubernetes

Docker

Git

Tools

Git

Maven

Gradle

JMeter

Gatling

Docker

Kubernetes

Job description

Full Stack Java Technical Lead – React.js – Brampton, Ontario, Canada

Job Summary

We are seeking a highly skilled Java Full Stack Technical Specialist with expertise in building scalable web applications using React JS on the front end and Java on the back end. The ideal candidate will have strong experience with PostgreSQL as the primary database, NoSQL databases such as MongoDB, and Apache Kafka for messaging services. Familiarity with Cucumber for BDD and integration/load testing tools is a plus.

Key Responsibilities

• Design, develop, and maintain full-stack applications using Java and React JS.
• Implement and optimize database solutions using PostgreSQL and MongoDB.
• Integrate Kafka for real-time messaging and event-driven architecture.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Write clean, maintainable, and efficient code following best practices.
• Conduct unit testing and participate in integration/load testing.
• Work in an Agile environment and contribute to sprint planning and retrospectives.

Skill Requirements

• Backend: Strong proficiency in Java, Spring Boot, RESTful APIs.
• Frontend: Expertise in React JS, HTML5, CSS3, JavaScript (ES6+).
• Database: Hands-on experience with PostgreSQL (mandatory) and NoSQL databases such as MongoDB.
• Messaging: Experience with Apache Kafka for distributed messaging.
• Version Control: Git/GitHub or similar tools.
• Build Tools: Maven/Gradle.
• Testing: Knowledge of Cucumber for BDD.
• Familiarity with integration testing and load testing tools (e.g., JMeter, Gatling).
• Experience with containerization (Docker/Kubernetes).
• Understanding of CI/CD pipelines.

Other Requirements

• Relevant certifications in DevOps, React.js, or full stack development are a plus.

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026totaled $14.8billion.

Copyright © 2026 HCL Technologies Limited

We use cookies on our site. Please read more about cookies policy here.