Senior Java Developer

Job Title: MERN Stack Developer (5+ Years Experience)

Position: MERN Stack Developer

Location: Ahmedabad (On-Site)

Onshore Opportunity

Experience: 5 to 7

Joining: Immediate Joiners Preferred

Employment Type: Full-Time

About the Role

We are seeking a talented and experienced MERN Stack Developer to join our on-site team. As a key member of our development team, you will be responsible for building and maintaining high-performance web applications using MongoDB, Express.js, React.js, and Node.js.

Key Responsibilities

• Develop and maintain scalable, responsive web applications using the MERN stack
• Write clean, efficient, and well-documented code
• Integrate APIs and third-party services
• Work closely with UI/UX designers, QA, and product teams
• Optimize applications for maximum speed and scalability
• Perform code reviews and provide constructive feedback
• Debug and resolve technical issues and bugs
• Ensure cross-platform and cross-browser compatibility

Required Skills & Qualifications

• 5+ years of professional experience with the MERN stack
• Strong proficiency in JavaScript, ES6+, HTML5, and CSS3
• In-depth experience with React.js (including hooks, Redux, component lifecycle)
• Strong backend development skills using Node.js and Express.js
• Proficient in working with MongoDB, including aggregation, indexing, and schema design
• Experience with RESTful APIs and JSON
• Familiarity with Git and version control workflows
• Strong problem-solving and debugging skills
• Excellent communication and teamwork abilities
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Must-Have Experience

•  5+ years working professionally with the MERN stack
•  Has experience in a team lead role
•  Expertise in JavaScript (ES6+), HTML5, CSS3
•  Deep understanding of React.js (Hooks, Redux, lifecycle)
•  Backend development with Node.js & Express.js
•  Strong hands-on with MongoDB (schemas, indexing, aggregation)
•  API integration, Git, version control, and debugging

Preferred Qualifications

• Experience with deployment on AWS, Heroku, or similar cloud platforms
• Familiarity with containerization tools like Docker
• Experience with testing frameworks such as Jest or Mocha
• Knowledge of agile methodologies

Experience:

Should have a minimum of 10-12 years of Experience.

Should have experience on Product Development/Maintenance/Production Support experience in a support organization

Should have a good understanding of services business for fortune 1000 from the operations point of view

Ability to read, understand and communicate complex technical information

Ability to express ideas in an organized, articulate and concise manner

Ability to face stressful situation with positive attitude

Any certification in regards to support services will be an added advantage

Education: BE, B- Tech (CS), MCA

Location: India

Primary Skills:

Hands on experience with OpenStack framework. Ability to set up private cloud using OpenStack environment. Awareness to various OpenStack services and modules

Strong experience with OpenStack services like Neutron, Cinder, Keystone, etc.

Proficiency in programming languages such as Python, Ruby, or Go.

Strong knowledge of Linux systems administration and networking.

Familiarity with virtualization technologies like KVM or VMware.

Experience with configuration management and IaC tools like Ansible, Terraform.

Subject matter expertise in OpenStack security

Solid experience with Linux and shell scripting

Sound knowledge of cloud computing concepts & technologies, such as docker, Kubernetes, AWS, GCP, Azure etc.

Ability to configure OpenStack environment for optimum resources

Good knowledge of security, operations in open stack environment

Strong knowledge of Linux internals, networking, storage, security

Strong knowledge of VMware Enterprise products (ESX, vCenter)

Hands on experience with HEAT orchestration

Experience with CI/CD, monitoring, operational aspects

Strong experience working with Rest API's, JSON

Exposure to Big data technologies ( Messaging queues, Hadoop/MPP, NoSQL databases)

Hands on experience with open source monitoring tools like Grafana/Prometheus/Nagios/Ganglia/Zabbix etc.

Strong verbal and written communication skills are mandatory

Excellent analytical and problem solving skills are mandatory

Role & Responsibilities

Advise customers and colleagues on cloud and virtualization topics

Work with the architecture team on cloud design projects using openstack

Collaborate with product, customer success, and presales on customer projects

Participate in onsite assessments and workshops when requested 

Provide subject matter expertise and mentor colleagues

Set up open stack environments for projects

Design, deploy, and maintain OpenStack infrastructure.

Collaborate with cross-functional chapters to integrate OpenStack with other services (k8s, DBaaS)

Develop automation scripts and tools to streamline OpenStack operations.

Troubleshoot and resolve issues related to OpenStack services.

Monitor and optimize the performance and scalability of OpenStack components.

Stay updated with the latest OpenStack releases and contribute to the OpenStack community.

Work closely with Architects and Product Management to understand requirement

should be capable of working independently & responsible for end-to-end implementation

Should work with complete ownership and handle all issues without missing SLA's

Work closely with engineering team and support team

Should be able to debug the issues and report appropriately in the ticketing system

Contribute to improve the efficiency of the assignment by quality improvements & innovative suggestions

Should be able to debug/create scripts for automation

Should be able to configure monitoring utilities & set up alerts

Should be hands on in setting up OS, applications, databases and have passion to learn new technologies

Should be able to scan logs, errors, exception and get to the root cause of the issue

Contribute in developing a knowledge base on collaboration with other team members

Maintain customer loyalty through Integrity and accountability

Groom and mentor team members on project technologies and work

Responsibilities

• Mentoring Team of Juniors, Code Reviews, and System Design Understanding
• Design and develop APIs using NodeJs, TypeScript, and deployment using the CICD pipeline.
• Apply code reviews and development quality reviews to make sure best practices are implemented
• Expertise with MySQL including the design of schemas and development for these databases
• Understanding of System Architectures, Design Patterns, and SOLID Principles
• Knowledge of git-based workflows such as git-flow, Proficient with code editors & linting tools

Requirements

• 2+ years of development experience with NodeJS, and Javascript frameworks related to the web stack
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Excellent communication skills, verbal and written

Good to have

• Experience with AWS Microservices
• Experience with payment gateways
• Exposure to AWS Services, policies, and the DevOps pipeline is a plus.
• Expertise with React, Redux, Hooks, and its core principles

• A champ in Data Structures, Algorithms, Object-Oriented Design, Analysis, Multi-threading, Design patterns, and other computer science concepts.
• Developing and managing applications for new features and enhancement in full-stack
• A proven technical leader within an Agile development environment
• Experience in delivering full-stack solutions across multiple technologies.
• Able to showcase work involving low latency concurrent and distributed systems/applications.
• Able to multi-task and work in a cross-cultural geographically distributed environment.
• Proactive, self-starter, and hands-on with multiple upcoming technologies.
• Managing our Engineering team - coach them, advocate for them, and productive.
• Providing technical leadership and being accountable for the technical decisions made by your team, with a focus on performance, scalability, privacy, and security.
• Work closely with Product, Design, and Manager to create a meaningful vision and roadmap for the team, towards delivering impactful work and a successful outcome.

Responsibilities :

• Design and write lots of bug-free, efficient, scalable, and reusable code
• Developing front-end architecture and ensuring responsiveness of the application
• Work across the full stack, building highly scalable products that enable positive user experiences and measurable business growth. 
• Working on refactoring the current codebase and determining the root cause for the most complex software issues and developing practical, efficient, and permanent technical solutions
• Optimizing backend services to scale for a few hundred concurrent users
• Develop APIs and scripts using backend programming languages like Node.js and Nest.js 
• Dockerizing different services and automating our AWS infrastructure provisioning steps
• Design and implementation of continuous integration and deployment. 
• Determine process improvements, and best practices, and develop new processes
• Mentor and coach other software engineers
• Integrating with third-party APIs and existing frameworks.
• Ensuring responsiveness of applications and writing maintainable, scalable, and unit-testable code. Be passionate about the long-term stability, scalability, and reusability of shared components.
• Implement new requirements, handle change requests, and fix bugs for different releases. Deliver a high-quality and functioning code.
• Integrating solutions to enterprise software and legacy software
• Actively Participate in sprint ceremonies and work towards continually improving the process
• Prioritizes tasks and keeps manager up to date on status and roadblocks
• Help the junior engineers to unblock them and guide them on best design practices. Help in code reviewing on a regular basis
• Prepare thorough technical documentation which can be used by other engineers
• Stay up to date with new technologies and determine how to incorporate these into future platform capabilities

Requirements:

• Minimum 4-8+ years of overall experience developing B2B SAAS products 
• 3+ years of Experience working on React.js and its core principles
• Bachelor's degree in Computer Science or a related field
• Hands-on experience with Node.js and Express.js including state management like Redux
• Good understanding of NestJS, Next.JS, Tailwind CSS, Server-Side Rendering, Storybook/Bit, Bootstrap, and Material UI.
• Thorough understanding of modeling and scaling databases like MongoDB, DynamoDB or Firestore
• Deep understanding of object-oriented JavaScript and design principles and standards
• Hands-on experience in UI optimization best practice implementations
• Understanding of Serverless architecture like Lambda or Google Cloud functions
• Significant experience in developing high-performance, distributed, and scalable applications with container deployment (Docker and Microservices)
• Well-versed with collaboration, and Testing tools like Git, Swagger, and Cypress
• Proven experience with unit testing, integration testing, and end-to-end testing.
• Knowledge of open-source technologies and common front-end development tools such as Babel, Webpack, NPM, PNPM etc.
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Knowledge of Nginx and AWS services like S3, and EC2 will be helpful

Preferred Skills:

• Exposure to Terraform, GItlab CI/CD, and GitOps is a plus
• A keen eye for UX has experience building complex B2B applications
• Comfortable working in a dynamic startup environment where experimentation is one of the most common practices for product innovation and improvements
• Basic understanding of the Figma Tool and app development via React Native
• Good experience with deploying applications on AWS & DevOps

Nice to Have:

• Great learning attitude and eagerness to take ownership
• Passionate personality with great enthusiasm for life outside of work
• Critical thinker and a problem solver who has a sense of urgency and wants an interesting job that pushes you out of your comfort zone.
• An innovator who is inspired by the endless ways in which everything we do can always be improved
• High-energy personality, with a strong and demonstrable work ethic

What we Offer:

• Competitive salary 
• Health Insurance
• Remote working environment
• Workday Swap
• Learning Culture

Job Description :

- Should have handson experience of more than 1+ years

- Good knowledge of NodeJS, ExpressJS or Restify

- Should have good knowledge of JavaScript.

- Experience implementing frontend using Angular 2+.

- Any database knowledge (SQL.Mongo or NoSQL)

- Basic understanding of version control using GIT

- TypeScript knowledge would be a plus

- Should have good logical skills.