MEAN Stack | Sr. FullStack Developer

Job Title: Full Stack Developer (Node.js + Next.js + Firebase Firestore)

Experience: 5–7 Years

Location: On-Site

Employment Type: Full-Time

Industry: Product-Based Company

About the Role

We are seeking a seasoned Full Stack Developer with strong architectural and development experience using Node.js, Next.js, and Firebase Firestore. The ideal candidate should have built complete CMS systems from scratch, with solid command of both frontend and backend architectures, clean coding principles, and modern JavaScript tooling.

This is a high-impact role requiring deep technical knowledge, attention to detail, and the ability to contribute to the core engineering efforts of a fast-paced product environment.

Key Responsibilities

• Architect, develop, and maintain scalable full-stack web applications using Node.js and Next.js
• Design and manage cloud-native databases using Firebase Firestore, including rules, queries, and performance optimization
• Build highly responsive and dynamic user interfaces using shadcn/ui, Tailwind CSS, and TanStack (React Query, React Table)
• Apply clean code principles (SOLID, DRY, KISS, YAGNI) to create maintainable, scalable solutions
• Implement metaprogramming techniques such as higher-order functions, dynamic modules, and decorators
• Develop and integrate RESTful and GraphQL APIs
• Handle secure authentication, authorization, and user management
• Lead or significantly contribute to CMS development projects
• Conduct code reviews, mentor junior developers, and enforce best practices

Required Skills

✅ 5–7 years of full-stack development experience

✅ Expertise in Node.js, Next.js, and JavaScript/TypeScript

✅ Demonstrated experience in building a custom CMS end-to-end

✅ Solid understanding of Firebase Firestore including security rules, real-time updates, and performance tuning

✅ Advanced knowledge of clean code architecture and reusable coding techniques

✅ Proficiency with shadcn/ui, Tailwind CSS, and TanStack libraries

✅ Experience working with both REST and GraphQL APIs

✅ Strong grasp of serverless architecture within Firebase ecosystem

✅ Familiarity with CI/CD pipelines and automated testing

✅ Excellent communication and collaboration abilities

Nice to Have

• Experience with Firebase Authentication, Functions, and Storage
• Exposure to cloud platforms like AWS, GCP, or Azure
• Experience in SaaS or multi-tenant platforms
• Contributions to open-source projects or writing technical blogs
• Experience creating internal tools, developer libraries, or design systems

Why Join Us?

• Be part of a product team that values clean code, scalable architecture, and modern tech stacks
• Contribute to mission-critical systems and new product features
• Work in a fast-paced environment with opportunities for growth and leadership

key skills : mern

Requirements:

• Academics (10th, 12th and Bachelors) > 80%
• Highly proficient in JS (EReactJS, NodexpressJS)
• Basic knowledge of PostgreSQL/MongoDB is a plus
• Should have expertise in developing data driven, responsive, modern web applications
• Aptitude to continuously learn new languages/concepts. Breadth of knowledge is required
• Strong fundamentals in programming concepts
• Knowledge of web development concepts and databases
• A really strong passion to towards technology
• Entrepreneurial attitude

Roles and Responsibilities:

• Develop, deploy and maintain IIoT platform used by the whole of Company
• Roll out similar IoT systems across the globe
• Understanding the functional domain deeply.

Position: Full Stack Developer

Job Location: Mumbai

About BharatNXT

BharatNXT helps unlock the power of the under-utilized credit card that resides in your wallet. We provide the wings to your credit card, to become the Super Hero that you need in your time of need or to improve the working cashflows for your business.

- Through BharatNXT, any business can now pay your suppliers, rent, tax and compliance costs while unlocking discounts and the extra credit days that is available through your card.

Job Description

Roles and Responsibilities

• Determining development requirements and developing work schedules for the team.
• Delegating tasks and achieving daily, weekly, and monthly goals.
• Champion the adherence and implementation of best practices, processes, and standards.
• Perform code reviews and mentor the team. Ensure code meets functional, compatibility and security requirements.
• Take on complex development tasks and execute them efficiently and effectively.
• Translate application storyboards and use cases into functional applications. Clearly articulate the solutions and get there in most efficient way 
• Design and develop UI and back-end features for the enterprise platform.
• Help design, build, document and maintain the platform
• Identify risks and areas of improvement and take steps to address the risks and ensure continuous improvement.
• Analysing existing operations and scheduling training sessions and meetings to discuss improvements.
• Keeping up-to-date with industry trends and developments.
• Provide timely updates to relevant stakeholders via reports and meetings.
• Constantly be on the lookout for ways to improve the system, discover issues and deliver better value to the customer

Candidates Profile

• 4-6 years of hands-on experience developing complex enterprise software systems
• Hands-on experience refactoring code, writing modular reusable code and implementing microservices architecture.
• Proficient in system design and architecture best practices.
• Strong organizational and project management skills.
• Experience with Linux based environments
• Bachelor’s degree in computer science, engineering, or a related field.
• Proficiency in Java, Spring boot Framework, HTML, Javascript, CSS, Angular, MySQL,
• Proficiency in GIT, Jenkins, SonarQube, etc
• Familiarity with cloud-based deployment and architecture.
• Excellent technical, diagnostic, and troubleshooting skills.
• Strong leadership and organizational abilities.
• Knowledge and experience adhering to software development life cycle best practices including test-driven development (TDD), unit testing discipline, agile development, and CI/CD strategies. 
• An ability to translate real business problems into technical solutions. 
• Solid understanding of REST APIs
• Domain expertise in BFSI domain (more specifically Supply Chain Financing, dynamic discounting) is a plus
• Passionate about building quality software and scaling technology to meet the needs of tomorrow
• Writing testable software every day, with a focus on incremental innovation
• Keen to learn about new technologies and business innovations across industry 
• Keen to work in a dynamic fast paced startup environment
• Excellent communication skills that would help in sharing ideas with peers and the senior management

At Cypherock, We are disrupting the current financial system by increasing the adoption of Blockchain-based digital assets through better key management solutions. We build "Worlds' first products" from India, work at the intersection of Blockchain, Security, Embedded Hardware and Cryptography, and have worked with companies like Google, Blockgeeks, Samsung, Lockheed Martin, Apollo Munich, Bank of America amongst others.

As the primary person responsible for everything Blockchain in the company, we think it will be a great fit if -

1. You love everything Crypto and are passionate to create the World's safest Crypto wallet.
2. You have MERN stack & DevOps experience on AWS.
3. You have reasonable open-source development experience and have shipped production-ready code.
4. You can commit for at least 6 months and you are ideally in your 4th year of college and willing to join full time after the internship if mutually agreed.

If we decide to work together, we believe you would be a key team member who helps in the mass adoption of Crypto for the first billion users.

Full stack developer

Salary: 6-9 LPA

Location: Mumbai

About ZenOnco.io:

https://zenonco.io/">ZenOnco.io is the world’s first integrative oncology healthtech platform. At ZenOnco.io, we aim to extend life and improve the quality of life for cancer patients through integrative oncology treatment, which covers both medical treatment as well as complementary treatment (Nutrition, emotional wellness, fitness, and community support).

To provide the best medical treatment options to cancer patients, we have partnered with 50+ hospitals across India, and cover 1,000+ oncologists. We also provide patients access to a full range of diagnostic tests that are required to arrive at the most effective cancer treatment.

We heavily deploy technology in our operations, and have recently launched the world’s first Integrative Oncology Preliminary Assessment Report tool (ZIOPAR) to guide cancer patients free of cost on the possible treatment options based on their cancer profile, symptoms and other conditions.

We believe in innovation, dedication and commitment. While we have the thrill to seek out and capture the world, we are looking for a responsible partner in you. If you feel you can become one of us, apply today.

Company introduction video: https://bit.ly/ZenOncoIOintroduction">https://bit.ly/ZenOncoIOintroduction

Roles and responsibilities:

• Working on WordPress and CodeIgniter, involving CSS, PHP, JS, jQuery, SQL 
• Designing and implementing new features and functionality
• Establishing and guiding the website’s architecture
• Ensuring high-performance and availability, and managing all technical aspects of the CMS
• Helping formulate an effective, responsive design and turning it into a working theme and plugin
• Convert comprehensive layout and wireframes into working HTML pages
• On-page SEO

Education and Experience:

• Graduate or Post Graduate (Preferred)
• Experience: 3+ years
• Ability to work on WordPress and CodeIgniter
• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
• Experience building user interfaces for websites and/or web applications
• Experience designing and developing responsive design websites
• Ability to understand CSS changes to ensure consistent style across platforms and browsers
• Strong understanding of PHP back-end development

You will get:

• Some of the best people to work with (founders are IIM graduates and investment banker)
• An opportunity to make a difference in the lives of millions of cancer patients across the globe
• A great learning environment and opportunity to grow

1. Experience of design and/or development experience with .NET, C#, ASP.NET MVC, APIs, AngularJs and/or Angular, Windows Forms and SQL Server in an n-tier architecture.
2. Strong background in object-oriented development techniques
3. Solution Design Patterns and Best Practices, eg. SOA
4. Database design and development (Microsoft SQL Server)
5. Experience with APIs, Web Services, WCF and Service Oriented Architecture a plus
6. Experience with concurrent development source control (Git) and continuous integration.
7. Understanding of Software Development Life Cycle and Agile methodologies.

Major Responsibility/ Job Responsibility:    

Strong knowledge with Java frameworks (Spring, Hibernate, Mybatis)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding of object-oriented design patterns.

Strong experience in Architecture & Designing, Web services (Rest or SOAP)

Good knowledge on Jasper Reports, iReports & XML

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4, Primefaces

Good knowledge on SQL and PL/SQL for Postgres, Oracle database

Good understanding of application and web servers – JBOSS, TOMCAT, JETTY

Hands- on experience for Eclipse IDE

Self-learner willing to experiment with latest features

Team player, willing to take responsibility and contribute

Experience in Waterfall/Agile development

Good communication skills both written and oral.

Hands on Experience with Unit Testing of Application using Junit Framework.

Key Result Areas:

Requirement analysis, design, Coding & unit testing

Technical documentation

Timely delivery of module with good quality

Sound knowledge on OOAD

Sound knowledge on n-tier, MVC architecture

Necessary Qualification/ Technical Skills:

2-5 years of total IT experience

Strong knowledge with Java frameworks (Spring, Hibernate, mybatis,)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4,Primefaces

Good knowledge on Jasper Reports, iReports & XML

Good knowledge on SQL or PL/SQL for Postgres, MySQL, Oracle database.

Good understanding of application and web servers – JBOSS,TOMCAT,JETTY

Desirable:

Experience in short release cycles & full software life cycle.

Entire SDLC knowledge

Demonstrated problem solving, analytic and troubleshooting skills.

Basic/Advanced Java Certification

Special Skills (If Any):

Experience in Performance Tuning and creation of secured applications

Experience with high volume and highly scalable application is a plus.

Experience in Transport, Logistics & Finance domain