Java Full Stack technical Lead

Q1 Technologies, Inc.; Mississauga; On-site; CAD 120,000 - 170,000; Full time

Job summary

Q1 Technologies, Inc. is seeking a Senior Java Full Stack Tech Lead to architect and deliver enterprise-grade web applications.

You will guide distributed teams, define standards, and own delivery across both backend and frontend layers using Java, Spring Boot, Spring MVC, and modern JS frameworks. Responsibilities include driving technical decisions for scalability and security, mentoring developers, collaborating with product owners and stakeholders, and ensuring timely, quality releases on

Qualifications

• 8+ years of software development experience.

Responsibilities

• Lead end-to-end application design and development using Java Full Stack technologies.

Skills

Java

Spring Boot

React

Kafka

Oracle

DevSecOps

Test Automation

Selenium

CI/CD

Technical Leadership

Tools

Spring Boot

Spring MVC

Angular

React

SQL Server

MongoDB

Job description

Advanced Java, Sprint Boot, React, Kafka, Oracle, DevSecOps, Test Automation

Backend : Java 11+/17 , Spring Boot Spring MVC

Database : Oracle / SQL Server / MongoDB

8+ years of software development experience.

2+ years in a Technical Lead role.

Experience leading distributed teams and enterprise-scale projects.

BFSI domain experience is highly desirable for banking and financial services engagements.

Test Automation – Selenium

CI/CD

• Lead end-to-end application design and development using Java Full Stack technologies.
• Define technical architecture, coding standards, and development best practices.
• Review application design, source code, and deployment strategies.
• Drive technical decisions ensuring scalability, security, and maintainability.
• Provide technical guidance and mentorship to development teams.

Full Stack Development

• Develop backend services using:
  • Spring Boot
  • Microservices
  • REST APIs
  • Kafka/Messaging systems
• Develop frontend applications using:
  • Angular / React
  • HTML5, CSS3
• Design and optimize database solutions using SQL and NoSQL databases.
• Design scalable cloud-native and microservices-based solutions.
• Define API standards, integration patterns, and security frameworks.
• Participate in technical estimations and solution proposals.
• Conduct proof of concepts (POCs) for new technologies.

Project & Delivery Management

• Collaborate with Product Owners, Business Analysts, and stakeholders.
• Break down requirements into technical user stories and tasks.
• Track sprint progress and resolve technical blockers.
• Ensure adherence to project timelines and quality standards.

Quality & Governance

• Conduct code reviews and enforce coding standards.
• Drive unit testing, integration testing, and performance testing.
• Ensure application security and compliance requirements are met.
• Monitor production issues and lead root cause analysis activities.

Generic Managerial Skills,

The Java Full Stack Tech Lead is responsible for leading the design, development, and delivery of enterprise-grade web applications using Java-based backend technologies and modern frontend frameworks. The role combines hands-on technical expertise, solution architecture, team leadership, stakeholder management, and delivery ownership.