# Full Stack Java DeveloperApplyJob#: 3056236

Job Description
Full Stack DeveloperClient: Major Canadian Financial Institution

Location:
Toronto, ON, HybridOn-Site Requirement: Mondays and the first Friday of each monthContract: 6 months with strong potential for extension Position SummaryWe are seeking an Expert Full Stack Developer to design, build, and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases, and cloud deployments. This role will be responsible for developing scalable, secure, and high-performing enterprise applications using technologies such as Java, Spring Boot, React, Node.js, Python, and SQL.
The ideal candidate is a strong hands-on engineer with deep full stack expertise, capable of translating business requirements into robust technical solutions. This individual will work closely with product, architecture, QA, DevOps, and business stakeholders to deliver modern digital solutions that are reliable, maintainable, and aligned with enterprise standards.

Key Responsibilities
· Design, develop, test, deploy, and support full stack applications across front-end and back-end environments.
· Build responsive, accessible, and user-friendly interfaces using React and modern web development practices.
· Develop and maintain back-end services, APIs, and business logic using Java, Spring Boot, Node.js, and Python.
· Design and implement microservices-based architectures for scalable and modular application development.
· Build and maintain secure RESTful APIs and service integrations.
· Design, optimize, and manage relational databases and queries using SQL.
· Contribute to cloud-native application deployment and operational support in platforms such as AWS, Azure, or GCP.




· Collaborate with cross-functional teams to define technical solutions aligned with business and architecture requirements.
· Ensure code quality through peer reviews, automated testing, and adherence to engineering best practices.
· Troubleshoot and resolve issues across the full stack, including UI, APIs, services, databases, and cloud environments.
· Support CI/CD pipelines, release processes, and deployment automation.
· Create and maintain technical documentation for applications, integrations, and support processes.
· Contribute to continuous improvement in engineering standards, design patterns, and team practices.
Required Qualifications
· Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
· 7+ years of experience in software development, including significant full stack development experience.
· Strong expertise in Java and Spring Boot for enterprise application development.
· Proven experience building scalable web applications using React.
· Hands-on experience with back-end technologies such as Node.js and Python.
· Strong experience designing and building APIs and microservices.
· Robust knowledge of SQL, relational databases, schema design, and query optimization.
· Experience deploying and supporting applications in cloud platforms such as AWS, Azure, or Google Cloud Platform.




· Experience with version control tools such as Git.
· Familiarity with CI/CD pipelines, automated testing, and DevOps practices.
· Solid understanding of application security, authentication, authorization, and secure coding principles.
· Strong analytical, problem-solving, and communication skills.
· Ability to collaborate effectively with both technical and non-technical stakeholders.
Preferred Qualifications
· Experience with TypeScript and contemporary front-end architecture patterns.
· Familiarity with Docker, Kubernetes, and containerized deployment models.
· Experience with event-driven architecture, messaging systems, or asynchronous processing.
· Knowledge of API gateways, observability, logging, and monitoring tools.
· Exposure to enterprise-scale environments with high availability and security requirements.
· Experience working in Agile delivery teams.
· Background in banking, financial services, or other regulated industries.
· Experience mentoring developers and contributing to technical leadership.
Technical SkillsCategorySkillsFront-EndReact, JavaScript, TypeScript, HTML, CSS, responsive designBack-EndJava, Spring Boot, Node.js, Python, REST APIs, microservicesDatabaseSQL, relational databases, data modeling, schema design, query optimizationCloud/DevOpsAWS, Azure, GCP, CI/CD, Docker, Kubernetes, deployment automationEngineering PracticesTesting, code reviews, debugging, performance tuning, secure codingCore Competencies
· Full stack application design and delivery
· Strong back-end and API development expertise
· Microservices and distributed systems thinking
· Front-end usability and performance optimization
· Cloud-native engineering a

📌 Full Stack Java Developer (Toronto)
🏢 Apex Systems
📍 Toronto