MERN Stack Developer

What you’ll do

• Build and ship features end-to-end using the MERN stack
• Use AI tools to speed up development, solve bugs, and learn new patterns
• Collaborate with product and design to turn ideas into UI + backend logic
• Write clean, reusable code with proper structure and Git practices
• Learn best practices in architecture, API design, and performance
• Take feedback, grow fast, and own your work

Must-Haves:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field
• 2-3 years of experience with the MERN stack
• Good understanding of JavaScript (or TypeScript), REST APIs, and MongoDB
• Clear logic, curiosity, and the ability to Google smartly
• Eagerness to learn, experiment, and grow with the team
• Comfortable using AI tools to assist in dev

Nice-to-Have:

• Exposure to tools like Firebase, Next.js, or Vercel
• Any live projects, GitHub repos, or portfolio sites
• Basic understanding of cloud deployment 

Job Description:

Are you a fun loving and passionate to be a part of Global Innovator team? Are you planning to grow your career, which enhance your skills in technology? A career at SmartDocs can open many doors for you in the world of technology. If you are looking for a company that is dedicated to your ideas, recognizes you for your unique competency & contributions and provides a fun, flexible and delightful work atmosphere.

Then, we are the right place to ignite your passion. We are totally committed about our employees, our Clients & Customers, our work culture and especially our technology. We are an organization who encourages new ideas of employees through collaboration and creativity.

We are seeking for a dedicated individual to join SmartDocs Business Solutions. The candidate will work with the product development team and must be a subject matter expert in-order to deliver the best practices; an ideal candidate must possess excellent business skills with outstanding communication, professionalism & leadership and must have minimum 3 - 6 years of experience in JAVA as a full stack developer.

Desirable Skills & Expertise:

v  Minimum 3 – 6 years of experience as a full stack developer (Preferable from product based entity).  At least a year of experience in managing a team is mandatory.

v  Master’s or bachelor’s degree in Engineering (CSE / IT / MCA / Software) are preferred.

v  Work exp. in Java, Frame-works like : Spring, Spring boot; J2EE technologies like Servlets, JSP and Web Application Server is mandatory.

v  Strong skills in HTML, Java Script, XML, CSS and Mango DB.

v  Product development in Linux environment is an added advantage.

v  Possesses intellectual humility; smart, driven, creative and able to learn things from slipups, willing to raise others up.

v  Excellent Communication & Analytical skills with integrated professionalism at all levels.

Key Responsibilities:

Ø  The role is responsible for designing, coding and deploying of high-performance applications.

Ø  Deep expertise and hands on experience as a Core JAVA Developer.

Ø  Team Management, Excellent interpersonal, Communication and effective organizational skills and solid technical skills.

Ø  Should be able to communicate effectively with both technical and non-technical personnel.

Ø  Excellent trouble shootings & problem-solving skills.

Ø  Experience with SDLC from requirement analysis through testing and deployment.

Ø  Must be an expert in technologies like J2EE, JSP, Servlets, Web Application, HTML, Java Script, XML, CSS, Mango DB and JAVA frameworks – Spring boot.

Ø  Develop and maintain strong product knowledge.

Ø  Guide the clients through various stages of the project and transition to support organization.

Ø  Review existing business processes and participate in the Process Improvement Program.

                        SmartDocs, provides equal employment opportunity to all its employees and all qualified applicants for employment without regard to their race, caste, religion, color, ancestry, marital status, gender, sexual orientation, age, nationality, ethnic origin or disability. Our resource policies shall promote diversity and equality in the workplace while encouraging the adoption of international best practices.

About Us

Zentosys Solutions Pvt. Ltd. is a technology-driven IT services company specializing in modern web and mobile application development. We empower businesses worldwide with innovative, scalable, and efficient software solutions. Be a part of our dynamic team and contribute to building impactful digital products.

Responsibilities

• Develop, maintain, and optimize full-stack applications using modern technologies.
• Implement backend logic using Node.js, TypeScript, and frameworks like Express.js or NestJS.
• Build intuitive, responsive, and high-performance frontend applications using React.js, Next.js, or similar frameworks.
• Design and integrate RESTful APIs and ensure seamless communication between front-end and back-end systems.
• Utilize CI/CD pipelines for automated deployment and continuous integration.
• Manage and optimize cloud infrastructure using AWS services.
• Debug, troubleshoot, and ensure application reliability and performance across the stack.
• Design database schemas and manage MongoDB for efficient data handling.
• Collaborate with cross-functional teams, including DevOps, designers, and product managers, to deliver high-quality solutions.
• Stay updated with the latest technologies, frameworks, and best practices in software development.

Requirements

• Experience: 2+ years in full-stack development.
• Strong expertise in Node.js, TypeScript, and backend frameworks like Express.js, NestJS, or Fastify.
• Proficiency in frontend technologies like React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+).
• Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, GitLab CI, or similar.
• Practical knowledge of AWS services, including EC2, S3, RDS, Lambda, and IAM.
• Experience with database schema design and management using MongoDB.
• Strong problem-solving skills with a logical and analytical approach to challenges.
• Familiarity with Git for version control and collaboration in a team environment.
• Excellent communication and teamwork skills to contribute effectively in a collaborative setting.

Preferred Skills

• Exposure to GraphQL for API development.
• Knowledge of Docker and container orchestration.
• Familiarity with Serverless Framework for deploying cloud-native applications.
• Experience with testing frameworks like Jest, Mocha, or Cypress.
• Understanding of state management libraries like Redux, Zustand, or similar.
• Hands-on experience with Terraform or other infrastructure-as-code tools.

What We Value

• Problem Solvers: Professionals who can tackle challenges with creativity and precision.
• Team Players: Individuals who thrive in a collaborative, dynamic environment.
• Growth Mindset: Developers who are eager to learn, adapt, and grow with the organization.

What We Offer

• Competitive salary in the range of ₹6 LPA to ₹15 LPA based on skills and experience.
• Work on diverse and impactful projects for a global clientele.
• A culture that encourages innovation, professional growth, and skill enhancement.
• Flexible working hours and a healthy work-life balance.
• Exposure to cutting-edge technologies and tools.

Job Type: Full-time

Pay: ₹600,000.00 - ₹1,500,000.00 per year

Benefits:

• Provident Fund

Schedule:

• Monday to Friday

Education:

• Bachelor's (Required)

Experience:

• Full-stack development: 2 years (Required)

Work Location: In person

Expected Start Date: 05/02/2025

A niche, specialist position in an interdisciplinary team focused on end-to-end solutions. Nature of projects range from proof-of-concept innovative applications, parallel implementations per end user requests, scaling up and continuous monitoring for improvements. Majority of the projects will be focused on providing automation solutions via both custom solutions and adapting machine learning generic standards to specific use cases/domains.

Clientele includes major publishers from the US and Europe, pharmaceutical bigwigs and government funded projects.

As a Senior Fullstack Developer, you will be responsible for designing, building, and maintaining scalable and performant web applications using modern technologies. You will work with cutting-edge tools and cloud infrastructure (primarily Google Cloud) and implement robust back-end services with React JS with Typescript, Koa.js, MongoDB, and Redis, while ensuring reliable and efficient monitoring with OpenTelemetry and logging with Bunyan. Your expertise in CI/CD pipelines and modern testing frameworks will be key to maintaining a smooth and efficient software development lifecycle.

Key Responsibilities:

• Fullstack Development: Design, develop, and maintain web applications using JavaScript (Node.js for back-end and React.js with Typescript for front-end).
• Cloud Infrastructure: Leverage Google Cloud services (like Compute Engine, Cloud Storage, Pub/Sub, etc.) to build scalable and resilient cloud solutions.
• API Development: Implement RESTful APIs and microservices with Koa.js, ensuring high performance, security, and scalability.
• Database Management: Manage MongoDB databases for storing and retrieving application data, and use Redis for caching and session management.
• Logging and Monitoring: Utilize Bunyan for structured logging and OpenTelemetry for distributed tracing and monitoring to ensure system health and performance.
• CI/CD: Design, implement, and maintain efficient CI/CD pipelines for continuous integration and deployment, ensuring fast and reliable code delivery.
• Testing & Quality Assurance: Write unit and integration tests using Jest, Mocha, and React Testing Library to ensure code reliability and maintainability.
• Collaboration: Work closely with front-end and back-end engineers to deliver high-quality software solutions, following agile development practices.
• Optimization & Scaling: Identify performance bottlenecks, troubleshoot production issues, and scale the system as needed.
• Code Reviews & Mentorship: Conduct peer code reviews, share best practices, and mentor junior developers to improve team efficiency and code quality.

Must-Have Skills:

• Google Cloud (GCP): Hands-on experience with various Google Cloud services (Compute Engine, Cloud Storage, Pub/Sub, Firestore, etc.) for building scalable applications.
• React.js: Strong experience in building modern, responsive user interfaces with React.js and Typescript
• Koa.js: Strong experience in building web servers and APIs with Koa.js.
• MongoDB & Redis: Proficiency in working with MongoDB (NoSQL databases) and Redis for caching and session management.
• Bunyan: Experience using Bunyan for structured logging and tracking application events.
• OpenTelemetry Ecosystem: Hands-on experience with the OpenTelemetry ecosystem for monitoring and distributed tracing.
• CI/CD: Proficient in setting up CI/CD pipelines using tools like CircleCI, Jenkins, or GitLab CI.
• Testing Frameworks: Solid understanding and experience with Jest, Mocha, and React Testing Library for testing both back-end and front-end applications.
• JavaScript & Node.js: Strong proficiency in JavaScript (ES6+), and experience working with Node.js for back-end services.

Desired Skills & Experience:

• Experience with other cloud platforms (AWS, Azure).
• Familiarity with containerization and orchestration tools like Docker and Kubernetes.
• Experience working with TypeScript.
• Knowledge of other logging and monitoring tools.
• Familiarity with agile methodologies and project management tools (JIRA, Trello, etc.).

Qualifications:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 5-10 years of hands-on experience as a Fullstack Developer.
• Strong problem-solving skills and ability to debug complex systems.
• Excellent communication skills and ability to work in a team-oriented, collaborative environment.

Salary: No bar for right candidate

React JS

Node JS

Graphql

Required background:

Ideal candidate is full stack with a focus on the backend

Can work with React.JS and is comfortable with CSS

Strong Node.JS with working experience in Graphql

Worked on scaling issues and real-time distributed systems

Has experience building microservices.

Has work experience with web sockets, WebRTC and RTMP / HLS.

5.5+ years of experience after college

Ideally has past experience with Java or GoLang.

KEY RESPONSIBILITIES

• Building a website based on the given requirements and ensure it’s successfully deployed
• Responsible for designing, planning, and testing new web pages and site features
• A propensity for brainstorming and coming up with solutions to open-ended problems
• Work closely with other teams, and project managers, to understand all stakeholders’ requirements and ensure that all specifications and requirements are met in final development
• Troubleshoot and solve problems related to website functionality
• Takes ownership of initiatives and drives them to completion.
• Desire to learn and dive deep into new technologies on the job, especially around modern data storage and streaming open source systems
• Responsible for creating, optimizing, and managing REST APIs
• Create website content and enhance website usability and visibility
• Ensure cross-browser compatibility and testing for mobile responsiveness
• Ability to integrate payment processing and search functionality software solutions
• Stay up-to-date with technological advancements and the latest coding practices
• Collaborate with the team of designers, content managers, and developers to determine site goals, functionality, and layout
• Monitor website traffic and overall system’s health with Google analytics to ensure high GTmetrix score
• Build the front-end of applications through appealing visual design
• Design client-side and server-side architecture
• Develop server-side logic and APIs that integrate with front-end applications.
• Architect and design complex database structures and data models.
• Develop and implement backend systems to support scalable and high-performance web applications.
• Create automated tests to ensure system stability and performance.
• Ensure security and data privacy measures are maintained throughout the development process.
• Maintain an up-to-date changelog for all new, updated, and fixed changes.
• Ability to document and manage all the software design, requirements, reusable & transferable code, and other technical aspects of the project.
• Create and convert storyboards and wireframes into high-quality full-stack code
• Write, execute, and maintain clean, reusable, and scalable code
• Design and implement low-latency, high-availability, and performant applications
• Implement security and data protection
• Ensure code that is platform and device-agnostic

EDUCATION & SKILLS REQUIREMENT

• B.Tech. / BE / MS degree in Computer Science or Information Technology
• Expertise in MERN stack (MongoDB, Express.js, React.js, Node.js)
• Should have prior working experience of at least 3 years as web developer or full stack developer
• Should have done projects in e-commerce or have preferably worked with companies operating in e-commerce
• Should have expert-level knowledge in implementing frontend technologies
• Should have worked in creating backend and have deep understanding of frameworks
• Experience in the complete product development life cycle
• Hands-on experience with JavaScript, HTML, CSS, JQuery, JSON, PHP, XML
• Proficiency in databases, including analytical (e.g., mySQL, MongoDB, PostgreSQL, DynamoDB, Redis, Hive, Elastic etc.)
• Knowledge of architecting or implementing search APIs
• Great understanding of data modeling and RESTful APIs
• Strong knowledge of CS fundamentals, data structures, algorithms, and design patterns
• Strong analytical, consultative, and communication skills
• Excellent understanding of Microsoft office tools : excel, word, powerpoint etc.
• Excellent organizational and time management skills
• Experience with responsive and adaptive design (Web, Mobile & App)
• Should be a self starter and have ability to work without being supervised
• Excellent debugging and optimization skills
• Experience building high throughput/low latency systems.
• Knowledge of big data systems such as Cassandra, Elastic, Kafka, Kubernetes, and Docker
• Should be willing to be a part of a small team and working in fast-paced environment
• Should be highly passionate about building products that create a significant impact.
• Should have experience in user experience design, website optimization techniques and different PIM tools

1. Extensive experience in Javascript / NodeJS in the back end
2. Front end frameworks such as Bootstrap, Pug, Jquery
3. Experience in web frameworks like ExpressJS, Webpack
4. Experience in Nginx, Redis, Apache Kafka and MQTT
5. Experience with MongoDB
6. Experience with Version Control Systems like Git / Mercurial
7. Sound knowledge in Software engineering best practices
8. Sound knowledge in RestFul API Design
9. Working knowledge of Automated testing tools
10. Experience in maintaining production servers (Optional)
11. Experience with Azure DevOps (Optional)

1. Experience in digital payments or financial services industry is a plus.
2. Participation in the processes of strategic project-planning meetings.
3. Be involved and participate in the overall application lifecycle.
4. Collaborate with External Development Teams.
5. Define and communicate technical and design requirements, understanding workflows and write code as per requirements.
6. Develop functional and sustainable web applications with clean codes.
7. Focus on coding and debugging.