The client is seeking a Senior Full Stack Developer with extensive experience designing and developing large-scale, multi-client web applications. The successful candidate will have strong hands-on experience across Java backend development, modern front-end technologies, REST APIs, microservices, databases, responsive web development, accessibility standards, and Azure DevOps.

Responsibilities

- Design, develop, test, debug, maintain, and enhance large-scale web applications.

- Translate technical system specifications into working and tested applications.

- Develop detailed programming specifications and application code.

- Perform unit testing, troubleshooting, implementation, conversion, and migration activities.

- Design and develop scalable front-end and backend application components.

- Develop RESTful API services and integrate them with front-end applications.

- Support database design and development using Oracle and SQL Server.

- Design applications for performance, scalability, extensibility, and maintainability.

- Develop reusable, testable, and modular application components.

- Support continuous integration and deployment activities using Azure DevOps.

- Participate in application architecture, solution design, deployment, and post-implementation support.

- Conduct design walkthroughs and provide technical documentation.

- Collaborate with technical and business teams throughout the Software Development Life Cycle.

- Ensure solutions comply with WCAG and AODA accessibility requirements.

- Support data pipeline activities involving extraction, transformation, and loading.

Mandatory Skills And Experience





- 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, React, TypeScript, HTML5, CSS3, and Node.js.

- Working experience with RxJS, Next.js, and Vue.js.

- Strong knowledge of microservice architecture.

- Experience with responsive web application development.

- Experience using Azure DevOps.

- Proven experience with WCAG and AODA.

- Strong knowledge of Object-Oriented programming, design patterns, refactoring, and clean code.

- Knowledge of message-oriented, reactive, and event-based architectural styles.

Additional Technical Skills

- JavaScript

- Angular / AngularJS

- Swagger

- Oracle

- SQL Server

- Tomcat

- WebLogic

- EJB

- Servlets

- REST and SOAP Web Services

- JWT

- OAuth 2.0

- SSL Certificates

- CI/CD

- JIRA

- Agile / Scrum

- UX/UI fundamentals

- Database design and management

Nice to Have

- Previous Ontario Public Service or other public-sector experience.

- Knowledge of blockchain and smart-contract development using Solidity.

- Experience with middleware and gateways.

- Experience with rapid application development methodologies.

Soft Skills

- Strong written and verbal communication skills.

- Solid analytical and problem-solving abilities.

- Ability to work effectively with functional and technical teams.

- Strong interpersonal and collaboration skills.

- Ability to work under pressure and meet aggressive timelines.

- Ability to adapt to changing project requirements.

📌 Full Stack Developer (Toronto)
🏢 Teckhorizon
📍 Toronto