Senior Full Stack Developer (ReactJS & Java Microservices)

• *Job Title: Senior Full Stack Developer (ReactJS & Java Microservices)
• *Location: Toronto, Canada (Hybrid)
• *Experience Required: 10+ Years
• *Primary Skills: ReactJS, Java, API Management, Microservices Architecture
• *Job Overview**

We are seeking an experienced

• *Senior Full Stack Developer**

with strong expertise in

• *ReactJS for frontend development**

and solid backend development experience in

• *Java (Spring Boot) or Node.js**

. The ideal candidate will be responsible for designing and developing

• *scalable, high-performance web applications**

, building reusable UI components, and integrating with

• *APIs and microservices-based architectures**

.

This role requires hands-on involvement across the

• *entire application development lifecycle**

, from design and development to deployment, while collaborating closely with product, design, and engineering teams.

• *Key Responsibilities
• *Frontend Development (ReactJS)
• Design and develop
• *responsive, scalable, and high-performance user interfaces**

using

• *ReactJS, HTML5, CSS3, and JavaScript/TypeScript**

.

• Build
• *reusable, modular UI components**

using modern React features such as

• *Hooks, Context API, and state management libraries**

(Redux, Zustand, or MobX).

• Optimize applications for
• *performance, accessibility, and cross-browser compatibility**

.

• Integrate frontend components with
• *RESTful APIs and microservices**

.

• Collaborate with
• *UI/UX designers and product teams**

to translate wireframes into high-quality user experiences.

• Ensure adherence to
• *frontend best practices, coding standards, and performance benchmarks**

.

• *Backend Development
• Develop and maintain
• *server-side applications and APIs

using

• *Java (Spring Boot) or Node.js**

.

• Build and integrate
• *microservices-based architectures**

to support scalable and resilient applications.

• Implement
• *API integrations, authentication, and backend business logic**

.

• Participate in
• *system design, code reviews, and deployment processes**

.

• *Required Skills
• 10+ years of software development experience.
• Strong expertise in
• *ReactJS and modern frontend development practices

.

• Hands-on experience with backend development using
• *Java (Spring Boot)**

or

• *Node.js**

.

• Experience building
• *scalable, secure, and high-performance web applications**

.

• Strong understanding of
• *RESTful APIs, API integration, and microservices architecture**

.

• Ability to design and develop
• *user-centric, maintainable UI components**

.

• *Preferred Skills
• Experience with
• *Java API Management platforms

and

• *microservices design patterns**

.

• Exposure to
• *cloud-native architectures and modern DevOps practices**

.

• Familiarity with
• *modern digital product development methodologies**

(Agile/Scrum).