Software Developer - Back End at Upstaff in Toronto, Ontario, CA

Job Overview

The Senior Software Developer will be responsible for designing, developing, implementing, and maintaining large-scale web applications. The successful candidate will have extensive hands-on experience in Java development, modern web technologies, RESTful APIs, microservices architecture, and relational databases.

The role involves developing high-performance, scalable, secure, and accessible applications while collaborating with technical and functional teams throughout the Software Development Life Cycle (SDLC).

Key Responsibilities

• Design, develop, test, debug, and maintain large-scale web applications.
• Develop server-side logic and manage database integration.
• Translate technical specifications into functional, tested applications.
• Build and maintain RESTful APIs and web services.
• Implement and support microservices architecture.
• Integrate front-end components with back-end services.
• Ensure application performance, scalability, security, and responsiveness.
• Develop applications compliant with PCI, WCAG 2.2, and AODA standards.
• Troubleshoot technical issues and provide post-implementation support.
• Conduct code reviews, design walkthroughs, and technical documentation.
• Collaborate with developers, architects, business stakeholders, and project teams.
• Follow Agile methodologies and established OPS development standards.

Must-Have Technical Skills

Modern Web Technologies

• React
• JavaScript (JS)
• Next.js
• Node.js
• CSS
• HTML5
• Responsive web development
• Mobile application development
• RESTful APIs

Accessibility & Compliance

• WCAG 2.2
• AODA compliance
• PCI compliance
• JAWS screen reader
• WAI-ARIA
• HTML5 accessibility standards

Back-End Development

• 10+ years of Java development experience.
• Strong experience with Oracle or SQL databases.
• 5+ years of REST APIs and RESTful Web Services.
• Microservices architecture.
• Large-scale, multi-client web application development.
• Azure DevOps.

Requirements

Core Skills and Experience – 40%

• 10+ years of experience designing and developing large-scale, multi-client web applications.
• 10+ years of hands-on Java development experience with Oracle or SQL databases.
• 5+ years of hands-on experience with REST APIs and RESTful Web Services.
• Strong understanding of microservices architecture.
• Experience applying architecture principles to improve extensibility and maintainability.
• Experience developing Internet-ready applications.
• Knowledge of Rapid Application Development (RAD) methodologies.
• Experience using Azure DevOps.

Technical Skills and Experience – 35%

• Knowledge of security gateways and protocols, including JWT, OAuth 2.0, and SSL certificates.
• Strong understanding of Agile methodologies.
• Object-oriented programming practices.
• Knowledge of design patterns, refactoring, and clean coding principles.
• Experience with relational and hierarchical databases.
• Experience with query languages and information retrieval packages.
• Knowledge of communication protocols.

Soft Skills – 20%

• Excellent written and verbal communication skills.
• Strong analytical, problem-solving, and decision-making abilities.
• Ability to develop and present innovative ideas and solutions.
• Excellent interpersonal and teamwork skills.
• Ability to collaborate with functional and technical teams.
• Ability to work under pressure and meet aggressive deadlines.
• Adaptability to changing project requirements.

Public Sector Experience – 5%

• Experience with Ontario Public Service (OPS) development standards and processes.

Nice-to-Have Skills

• Previous experience developing and supporting the following ServiceOntario web portal services:

  • Driver Services
  • Vehicle Services
  • Healthy Smiles Ontario
  • High Occupancy Lanes

• Experience with Canada Post Address Module.

• Experience with Government Payment Gateway.

• Experience with middleware and gateways.

• Experience reviewing, modifying, testing, and debugging product installation scripts.

• Knowledge of Information Management principles and practices.

• Experience providing post-implementation technical support.

• Knowledge of AODA regulations and accessibility standards.