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Senior Full Stack Developer

Epsilon Solutions

 

Toronto, ON, Canada

Posted On: Just posted
Experience: 10+ years
Availability: Hybrid
Openings: 1
Category: Senior Full Stack Developer
Tenure: Contract - Corp-to-Corp
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Description

Key Responsibilities

Design, develop, and maintain scalable web and mobile applications.
Develop responsive front-end applications using React.js, Angular, JavaScript, TypeScript, HTML5, and CSS3.
Build back-end services and APIs using Java/Spring Boot, Node.js, Python, or .NET.
Develop and support iOS applications (Swift, SwiftUI, Objective-C) and Android applications (Kotlin, Java, Android SDK).
Work with React Native or Flutter for cross-platform mobile development.
Develop and integrate RESTful APIs, GraphQL, and microservices.
Work with SQL/NoSQL databases such as MySQL, PostgreSQL, SQL Server, and MongoDB.
Implement authentication, security, performance optimization, and application troubleshooting.
Work with AWS, Azure, or GCP, Git, CI/CD pipelines, and Docker.
Collaborate with QA, DevOps, UI/UX, and product teams in an Agile environment.
Participate in code reviews, testing, debugging, and application deployments.

Required Skills & Qualifications

6–10 years of software development experience across full-stack web and/or mobile applications.
Strong hands-on experience in Front-End and Back-End development.
Experience developing applications for iOS and Android, using native or cross-platform technologies.
Proficiency in at least one major front-end framework and one back-end technology.
Strong understanding of REST APIs, microservices, databases, and application security.
Experience with Git, CI/CD, cloud platforms, and Agile/Scrum methodologies.
Strong problem-solving, debugging, and communication skills.

Preferred Skills

Experience with React Native, Flutter, Swift, Kotlin, and mobile app deployment.
Knowledge of Docker, Kubernetes, automated testing, OAuth 2.0, and JWT.
Experience with scalable cloud-based applications and performance optimization

Education

Bachelor's degree

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