Hybrid: Senior Full-Stack React & Java Engineer

Rose International; Mississauga; Hybrid; CAD 96,000 - 103,000; Full time

Job summary

Rose International in Toronto is seeking a Senior Full Stack Developer specializing in React and Java to design, develop, and integrate scalable applications. The role focuses on end-to-end delivery with emphasis on API integrations and microservices across front-end and back-end components.

You will own development lifecycle from requirements to deployment, mentor junior developers, and collaborate with stakeholders while adhering to governance standards and regulatory requirements.

Qualifications

• 7–10+ years of experience in application development.
• Proficient in React; candidates with strong React experience can transition to Angular. Angular experience is not required.
• Strong hands-on experience with Java and Spring Boot, with an understanding of Core Java sufficient to review and understand existing code and integrate APIs.
• Experience with microservices from an integration perspective.
• Strong experience with API integration, including understanding requirements, reviewing code, and integrating APIs effectively.
• Understanding of application structure and programming fundamentals, with the ability to develop efficiently.
• Ability to work independently and take ownership of the full development cycle, from understanding user requirements and design through development and deployment.
• Ability to use AI development tools such as Copilot, Devin, and similar tools.
• Self-motivated with the attitude and ability to take work through to completion.
• Experience with code reviews, testing strategies, deployment processes, code quality, performance optimization, and application scalability.
• Strong communication and stakeholder collaboration skills.
• Ability to identify risks and work within governance and regulatory requirements.

Responsibilities

• Understand user requirements and translate them into application solutions.
• Design and develop complex full stack applications using Java and front-end technologies.
• Own end-to-end delivery of application components from design through deployment.
• Develop and integrate APIs and review existing code to understand and implement required integrations.
• Drive appropriate technical and design decisions while aligning solutions with enterprise standards.
• Resolve high-impact technical challenges across systems and platforms.
• Work independently and take ownership of development activities through completion.
• Mentor junior and mid-level developers by explaining requirements and coding practices, assigning code, reviewing work, and providing technical guidance.
• Partner with stakeholders to define system enhancements and solutions.
• Ensure code quality, performance optimization, and scalability.
• Lead or contribute to testing strategies, code reviews, and deployment processes.
• Identify risks and ensure compliance with governance and regulatory requirements.
• Only those lawfully authorized to work in the designated country associated with the position will be considered.
• Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.

Skills

API

Banking/Financial

Java

Microservices

React

Spring Boot

SQL

Education

Bachelor's Degree

Job description

Rose International in Toronto is seeking a Senior Full Stack Developer specializing in React and Java to design, develop, and integrate scalable applications. The role focuses on end-to-end delivery with emphasis on API integrations and microservices across front-end and back-end components.

You will own development lifecycle from requirements to deployment, mentor junior developers, and collaborate with stakeholders while adhering to governance standards and regulatory requirements.