Full Stack Shopify Developer

About NonStop io Technologies:

NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.

About the Role:

We're looking for a passionate Java Developer with 3–6 years of experience to join our engineering team. You'll work on modern product development, scalable backend systems, cloud-ready applications, and AI-assisted software development while collaborating with a talented team of engineers.

What You'll Do:

• Design and develop scalable backend applications using Java and Spring Boot
• Build and maintain REST APIs and Microservices
• Develop cloud-ready, distributed applications
• Collaborate with Product Managers, Designers, and Engineers
• Improve application performance, scalability, and reliability
• Participate in architecture and technical design discussions
• Leverage AI-powered development tools to improve productivity
• Work with CI/CD pipelines and modern engineering practices

Must-Have Skills:

• 3–6 years of experience in Java development(Min 3 Years)
• Strong expertise in Java, Spring Boot, Spring MVC, and Hibernate/JPA
• Experience building Microservices and REST APIs
• Strong understanding of OOP, Design Patterns, and Clean Coding Practices
• Experience with MySQL or PostgreSQL
• Working knowledge of Git
• Hands on experience with Frontend Technologies (HTML, CSS, JavaScript, React/Angular) 
• Experience with Maven or Gradle

Good to Have:

• Experience with AWS or cloud environments
• Exposure to CI/CD pipelines and DevOps practices
• Experience with distributed systems and scalable architectures
• Knowledge of automated testing frameworks
• Familiarity with AI-assisted development tools such as GitHub Copilot

Why Join Us?:

• Build real-world products with real impact
• Work on modern architectures and cloud technologies
• Gain exposure to AI-powered software development
• Learn from experienced engineers and architects
• Collaborative and growth-focused engineering culture
• Freedom to innovate, experiment, and own your work
• Continuous learning and career growth opportunities

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you

We are seeking a skilled MEAN Stack Developer to join our dynamic development team. In this role, you will be responsible for designing, developing, and maintaining robust and scalable web applications using the MEAN stack technologies: MongoDB, Express.js, Angular, and Node.js. The ideal candidate will have a solid understanding of front-end and back-end development, with a keen ability to integrate various components of the stack effectively.

Important to Note:

• We conduct in-person interviews and kindly ask that you do not request a Skype, online, or phone interview.
• Interviews will be conducted at our office in Sector 63, Noida. Selected candidates will be invited for a written test and a face-to-face interview.
• We kindly request that only candidates who are willing to work from our office apply, as we do not offer work-from-home opportunities.

Key Responsibilities:

• Build secure and performant web services and components.
• Build and maintain new, high impact functionality in various ongoing projects.
• Collaborate with fellow team members on priorities, specifications, and feature implementation.
• Evaluate new technologies and techniques to improve how we operate.
• Craft well-documented, reusable, and testable code.
• Build and maintain new, high impact functionality invarious ongoing projects.
• Be a part of the team's on-call rotations.

Required Skills & Qualification:

• At least 2+ years of experience in NodeJS with understanding of isomorphic JavaScript
• Angular 8 plus, React Experience
• Strong experience backend development
• Strong CS fundamentals
• Knowledgeable in building loosely coupled, highly cohesive code
• Experience designing APIs for consistency, simplicity, and extensibility.
• Have worked in an agile shop with a strong emphasis on rapid prototyping and rigorous A/B testing
• Developing and maintaining core libraries, services and/or platforms written in Node.js
• Experience with AWS services
• Experience with SQL, Lite SQL, Mongo

What We Offer:

• Competitive Compensation: Enjoy a salary and benefits package that recognizes your talents and contributions.
• Innovative Workspace: Work with cutting-edge technology in a dynamic, forward-thinking environment.
• Comprehensive Health Coverage: Benefit from group health insurance that ensures your well-being.
• Extra Earnings: Receive additional salary for any extra work hours.
• Rewarding Excellence: Benefit from annual and quarterly cash rewards celebrating your hard work.
• Birthday Celebrations: We celebrate your birthday with a cake and cash gifts, so you can treat yourself in your own way.
• Fair Opportunities: Experience a work environment where hiring and promotions are based on merit, free from favouritism.
• Surprise Loyalty Benefits: Enjoy unexpected perks and rewards as a token of our appreciation for your dedication and commitment.
• Paid Breaks: We provide 2 paid breaks during work hours to help you avoid long periods of sitting. These breaks are designed to keep you refreshed and energized throughout the day, promoting overall well-being and productivity.
• Guaranteed Rest: 36 Off days! Receive 21 days of paid leave plus 15 festive and gazetted holidays each year, ensuring ample time to rest and maintain a healthy work-life balance.
• Work Days: Our working hours are Monday to Saturday, from 8:30 AM to 5:30 PM. Enjoy Sundays off to recharge and relax.
• Growth and Development: Benefit from individualised learning plans and professional development opportunities to grow alongside the company.
• Team Spirit: Thrive in a supportive and collaborative team culture that values every member.

Please do not apply if you are looking for a work-from-home opportunity. We only work from the office. Interviews will be conducted at our office in Sector 63, Noida. Selected candidates will get a call for FACE-TO-FACE Interview and Written Test.

Our Core Full Stack

Front-End Engineering 

• React for building complex, state-heavy interactive dashboards 
• JavaScript (ES6+) and TypeScript for type-safe management of simulation data 
• State management (Redux/Zustand) optimized for high-frequency data updates 

Back-End & Microservices 

• .Net and Spring Boot for building high-scale, resilient microservices 
• REST APIs for seamless communication between services and front-end consumers 
• Microservices architecture and system integration patterns 

Engineering Excellence 

• GitHub for version control and rigorous Code Reviews 
• CI/CD pipelines, Docker, and Kubernetes for cloud-native deployment 

Key Responsibilities 

• Low-Level Design (LLD): Convert high-level architectural blueprints into detailed technical designs, including class diagrams, sequence diagrams, and API specifications. 
• Technical Mentoring: Lead and coach the engineering team through pair programming, technical 1-on-1s, and hands-on guidance to elevate overall team competency. 
• Standards Enforcement: Ensure all code adheres to the defined engineering standards, SOLID principles, and design patterns established by the Architects. 
• Code Quality & Review: Conduct comprehensive code reviews to maintain high quality, ensuring the team delivers clean, testable, and maintainable code. 
• Technical Anchoring: Serve as the "go-to" expert for the squad to resolve complex technical blockers and provide clarity on implementation details. 
• Hands-on Development: Direct implementation of critical and complex modules, setting the benchmark for performance and reliability. 
• System Integration: Oversee the technical execution of integrations between full-stack applications and core data layers (Databricks/Neo4j). 
• Delivery Governance: Ensure the squad meets sprint objectives by maintaining a high standard of execution and managing technical debt effectively. 

Preferred Qualifications 

• 8 to 10 years of professional experience in full-stack software development. 
• Proven track record in a Tech Lead capacity, with strong experience in creating Low-Level Designs. 
• Expert-level proficiency in .Net, Spring Boot, and React. 

A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.

Responsibilities

• Develop and maintain scalable web applications using the MERN stack.
• Build interactive and responsive user interfaces with React.
• Implement server-side APIs and business logic using Node.js and Express.js.
• Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
• Integrate front-end with back-end systems and third-party services.
• Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
• Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
• Implement security best practices and protect sensitive data.
• Participate in code reviews and mentor junior developers.

Requirements

• Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong skills in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
• Understanding of database design, schema management, and NoSQL principles.
• Problem-solving ability and communication skills.
• Bachelor's degree in computer science or related field (preferred).
• Experience working collaboratively in a team-oriented environment.

Key Skills

• JavaScript, React.js, Node.js, Express.js, MongoDB.
• HTML/CSS, RESTful APIs, Git.
• Familiarity with agile methodologies and UI/UX best practices.
• Testing, debugging, code optimization, and deployment.

 Responsibilities

• Integration of user-facing elements developed by front-end developers
• Build efficient, testable, and reusable PHP modules
• Solve complex performance problems and architectural challenges
• Integration of data storage solutions.

• Strong knowledge of PHP web frameworks (such as Laravel, Yii, CodeIgniter)
• Understanding the fully synchronous behavior of PHP
• Understanding of MVC design patterns
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Knowledge of object - oriented PHP programming

• Proven experience as a Full Stack Developer or similar role with 2+ years of experience.
• Experience developing desktop and mobile applications
• Strong knowledge of at least one back-end languages (preferably Python/Ruby/ Node.js) and JavaScript frameworks (e.g. Angular, React)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Database design and management, including being up on the latest practices and associated versions
• For us, security is of utmost importance - You understand security concepts deeply and write code to protect us and our users.
• Should be able to architect robust Restful APIs
• Proactive, Strong Result orientation (propose solutions based on product capabilities) and Creativity.
• Good knowledge and understanding of the product development life cycles.
• Good verbal and written communication skills (Advanced English)
• Ability to work independently and as part of a team