Software Developer - Full Stack - Senior

Role Overview

We are seeking a Senior Full Stack Software Developer with extensive experience in building large-scale, multi-client web applications. The ideal candidate will have deep expertise in Java, modern front-end frameworks, API development, and micro services architecture, along with strong experience in cloud and DevOps environments.

Key Responsibilities

• Design, build, and maintain scalable full-stack applications
  
• Develop and manage data pipelines (ETL processes)
  
• Translate technical specifications into functional, tested applications
  
• Write clean, maintainable code and perform unit testing
  
• Troubleshoot and resolve technical issues and system defects
  
• Collaborate across teams throughout the Software Development Life Cycle (SDLC)
  
• Develop and integrate RESTful APIs
  
• Ensure applications meet performance, scalability, and security standards
  
• Participate in deployment, migration, and post-implementation support
  

Core Technical Requirements (Must Have)

• 10+ years experience in full-stack development for large-scale applications
  
• 10+ years hands-on experience with Java + Oracle/SQL databases
  
• 5+ years experience with:
  
• REST APIs
  
• React, TypeScript
  
• HTML5, CSS3
  
• Node.js
  
• Experience with RxJS, Next.js, Vue.js
  
• Strong knowledge of micro services architecture
  
• Experience with Azure DevOps
  
• Experience with responsive web development
  
• Knowledge of architecture styles (event-driven, reactive, message-based)
  

Technical Skills (Preferred)

• Security: JWT, OAuth2.0, SSL
  
• Experience with Agile/Scrum methodologies
  
• Strong understanding of:
  
• Object-Oriented Programming (OOP)
  
• Design patterns, clean code, refactoring
  
• Experience with:
  
• WebLogic / Tomcat / Java web applications
  
• SOAP & REST services
  
• Oracle / SQL Server databases
  
• Exposure to:
  
• Blockchain & Solidity (nice to have)
  
• Middleware & integration gateways
  

Requirements

Front-End & UI Expertise

• Strong experience with Angular / JavaScript frameworks
  
• Proficiency in HTML, CSS, JavaScript
  
• Ability to design responsive and accessible UI (WCAG, AODA)
  
• Experience integrating UI with backend APIs
  
• Understanding of UX/UI principles
  

DevOps & Tools

• Azure DevOps
  
• JIRA
  
• CI/CD pipelines
  
• Agile delivery environments
  

Soft Skills

• Strong communication & stakeholder management
  
• Excellent problem-solving and analytical skills
  
• Ability to work in high-pressure, deadline-driven environments
  
• Proven team collaboration in large programs
  

Nice to Have

• Previous Ontario Public Service (OPS) / Public Sector experience
  
• Knowledge of AODA compliance standards
  
• Experience in RAD methodologies