Java Full Stack Developer

12 Months

Toronto ON

Responsibilities

- Translate business requirements and technical specifications into scalable, secure, and fully tested full-stack applications
- Develop detailed technical designs and programming specifications
- Write, review, and maintain clean, efficient, and maintainable code following best practices
- Build and enhance data-driven applications and backend services
- Design and execute unit, integration, and end-to-end tests to ensure quality and reliability
- Design and implement modern, responsive frontend components using React
- Develop robust backend services and APIs using Spring Boot
- Build and maintain RESTful APIs and microservices architectures
- Troubleshoot and resolve technical issues across development, testing, and production environments
- Support application deployment, data migration, and system integration activities
- Collaborate with cross-functional teams through code reviews, design sessions, and Agile ceremonies
- Ensure all solutions meet security, performance, scalability, and accessibility standards (AODA compliance)
- Contribute to continuous improvement of development processes, tools, and standards
- Provide technical support for implementation, system integration, data conversion, and migration activities.

General Skills

- Experience in programming and systems analysis within enterprise application environments
- Strong ability to collaborate with IT professionals across the Software Development Life Cycle (SDLC)
- Experience in application design, modern design patterns, deployment, and troubleshooting
- Experience designing, coding, testing, debugging, and documenting applications
- Proficiency in object-oriented programming languages (e.g., Java) and modern scripting languages (JavaScript/TypeScript)
- Experience with relational database technologies (e.g., PostgreSQL) and SQL development
- Experience building and supporting data-driven applications




- Experience working with API-based and web applications (REST/HTTP protocols)
- Experience using query languages and data access tools
- Experience with structured methodologies (Agile/Waterfall) for design, development, implementation, and maintenance
- Ability to elicit, analyze, and document requirements from business stakeholders and subject matter experts
- Experience in application deployment and environment management
- Experience troubleshooting and resolving application and integration issues
- Ability to work with integration patterns and communication protocols
- Experience producing technical documentation and design artifacts
- Strong analytical, problem-solving, and decision-making skills
- Excellent verbal and written communication skills
- Strong interpersonal and collaboration skills
- Ability to work effectively in a team-based environment
- Proven ability to manage competing priorities and meet deadlines

Mandatory Skills

- 10+ years’ experience in developing n-tier Enterprise applications
- Expertise in application design, latest design patterns, deployment and troubleshooting
- Expertise in JPA or Hibernate, and Spring Boot Framework
- Proficient in database design and SQL development, with solid expertise in PostgreSQL, PL/pgSQL, Azure Cosmos DB
- JavaScript / TypeScript frameworks such as React, Angular
- Experience gathering and documenting requirements from business stakeholders
- Strong analytical, problem-solving, and communication skills

Nice to Have Skills

- Experience building cloud-native, internet-facing applications
- Agile development experience - Scrum, User Stories, CI, and test automation etc.
- Experience with middleware, API gateways, or integration services
- Experience leading design walkthroughs and technical discussions
- Knowledge of Accessibility for Ontarians with Disability Act (AODA) and WCAG standard
- Robust verbal and written communication skills with ability to contribute to technical leadership and quality assurance

📌 Java Full stack Developer (Toronto)
🏢 I8IS
📍 Toronto