Senior Java / React JS Developer

Role Name: Senior Java / React JS Developer

Location: Calgary Office/Hybrid

Duration: Contract

JOB DESCRIPTION:

Required Technical Skill Set - Java, Spring Boot, RESTful APIs, AWS, React, NodeJS, Docker, Kubernetes & Jenkins, GitHub Copilot (AI).

Must Have –

UI: ReactJS

• Good Understanding of front-end framework and libraries – ReactJS and UI testing framework like Jasmine, Karma.
• Develop/Debug responsive and user-friendly web applications using React.js
• Proficiency in JavaScript (ES6+), HTML5, CSS3
• Experience with modern UI libraries (Material UI, Ant Design, Bootstrap, etc.)
• Knowledge of state management (Redux, Context API)
• Implement reusable UI components and manage state efficiently
• Collaborate with UX/UI designers to translate designs into technical solutions.
• Optimize applications for maximum speed and scalability
• Ensure cross-browser compatibility and accessibility standards

BackEnd: Java/J2EE

• Excellent knowledge of Core Java, SpringBoot, Spring Cloud (Eureka, Hystrix/ Resilience4j, Ribbon & Zuul).
• Working knowledge of creating Swagger API contract.
• Strong knowledge on Unit tests - Junit, Mocking frameworks, and Integration test cases.
• Should have working knowledge of designing and implementation of RESTful API in SpringBoot.
• Databases: MySQL, PostgreSQL, MongoDB, or other relational/non-relational databases
• Should be efficient with AWS (hands-on S3, Lambda, EC2, ELB, API GW, Cloud Watch) and cloud related technologies.
• Should have worked with GIT, distributed agile model and continuous integration with CICD/ Jenkins.
• Should have a strong understanding of .NET API layer.
• Should have working knowledge of Docker and creating Docker image from SpringBoot Microservices.
• Write clean, maintainable, and efficient code following best practices.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities.

Soft Skills

• Strong problem-solving and analytical skills
• Excellent communication and collaboration skills
• Ability to work independently and lead technical initiatives
• Mentoring and knowledge-sharing mindset

Good to Have

• AWS Certified
• 2+ years using AI-assisted development tools (preferred)
• Experience with Kubernetes
• Familiarity with GraphQL
• Exposure to Domain-Driven Design (DDD)
• Experience working in large enterprise environments
• Previous leadership or technical lead experience