Fullstack Developer

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

Must Have Experience:

 Min 5 years of strong experience in Java/J2EE technologies

 Core Java, Spring / Spring Boot / React / Hybrid / Mobile

 Hibernate / JPA / JDBC

 Experience with web application environments like Eclipse, Tomcat and

WebLogic/WebSphere.

 Experience with tools like Git / SVN, Maven etc.

 Must have knowledge of Oracle Database / MS SQL Database.

 Should be able to do efforts estimation

 Should have done customer interaction

 Must have handled the team of 7-8 developers & testers

 Prepare / Review the document

•  Code Review

Primary Skills

• Java EE (Servlets, JSTL, JSP, JDBC)

• Frontend frameworks (ReactJS)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

• Microsoft SQL Server (writing queries, stored procedures, triggers etc.)

As an IT Technical Lead, you will play a crucial role in managing and leading a team of IT professionals. You will be responsible for providing technical guidance, overseeing project execution, and ensuring the successful delivery of IT solutions. Your expertise will be instrumental in driving innovation, implementing best practices, and maintaining a high level of technical excellence within the organization.

Key Responsibilities:

Team Leadership: Lead a team of IT professionals, including developers, engineers, and support staff. Provide guidance, mentorship, and technical expertise to ensure team members' growth and success. Foster a collaborative and positive work environment.

Technical Strategy and Planning: Develop and implement a strategic technical roadmap aligned with the organization's goals and objectives. Stay up to date with emerging technologies and trends, and assess their applicability to the organization's IT infrastructure. Make recommendations for technology adoption or enhancements.

Project Management: Oversee the execution of IT projects, including resource allocation, task assignments, and timelines. Collaborate with stakeholders to gather requirements, define project scope, and ensure successful project delivery. Monitor project progress, identify and mitigate risks, and resolve issues as they arise.

Technical Expertise: Serve as a subject matter expert in various IT domains, such as software development, infrastructure management, cybersecurity, and data management. Stay informed about industry best practices and provide guidance on technical standards, frameworks, and methodologies. Conduct research and evaluation of new technologies to support business objectives.

Collaboration and Communication: Collaborate with cross-functional teams, including business stakeholders, product managers, and other IT teams. Effectively communicate technical concepts and solutions to both technical and non-technical stakeholders. Foster strong relationships with external vendors and partners.

Troubleshooting and Issue Resolution: Assist in troubleshooting complex technical issues and provide guidance to team members in resolving them. Identify root causes, implement corrective actions, and develop preventive measures to avoid similar issues in the future. Ensure the timely resolution of critical incidents.

Continuous Improvement: Drive continuous improvement initiatives within the IT department by identifying areas for optimization, streamlining processes, and implementing automation where applicable. Promote a culture of innovation, learning, and knowledge sharing within the team.

Qualifications and Requirements:

Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent work experience).

Proven experience in a technical leadership role, managing and leading a team of IT professionals.

Strong technical background in one or more IT domains, such as software development, infrastructure management, cybersecurity, or data management.

In-depth knowledge of industry best practices, emerging technologies, and trends.

Proficiency in project management methodologies and tools.

Excellent communication and interpersonal skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.

Strong problem-solving and troubleshooting abilities.

Demonstrated ability to drive innovation, implement process improvements, and foster a culture of continuous learning.

Rescale Technologies (A Fincash Group Venture), brain child of three IIT Mumbai alumnus is a tech leader which enables businesses to navigate through technological transformation globally. Rescale has played pivotal role's mergers and acquisitions of numerous brands. (https://rescaletechnologies.com/)

Our USP is Creative Technology, we have a new age of imagination and a brilliant team who are compassionate about success. Here is your chance to ride with us:

Designation: Full Stack Developer

Experience: 2 + years

Education: B.E/B.Tech

Location – Lodha iThink, Palava Dombivali

Job description:

Hands-on experience in Angular or React, node js, Elastic

Knowledge of HTML\Web Development, Networking

Basic knowledge of Programming languages is required.

Good Knowledge of SQL/ RDBMS

Fast learner and desire to learn new technologies to keep up with market trends

Produce clean, efficient code based on specifications.

• Creating RESTful services with Node.js (Express)
• React & React Native
• Mongoose & MongoDB.

• Hands-on experience with Ubuntu-based servers
• Hands on experience in deploying on Digital Ocean Droplets
• Hands on experience with google maps integration

Essential duties and responsibilities include the following. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Work on a remote cross-functional team where you’ll play a critical role in designing, planning, development, deployment and observing your code in production.   
• Develop high performance, highly scalable and accessible web applications. Our web app is used by over 20 million educators, students and parents worldwide.  
• Meet tight deadlines in a rapid application development environment.  
• Collaborate with Product Management, Design, and Operations teams to create and deliver tested features to production.  
• Collaborate with specialists across web, mobile, and operations to achieve a better user experience for our product.  
• Be able to assess and bring in industry information into your decisions and learn new technologies: AWS is releasing new tools every day, there are new open source libraries to vet and you will be a party to helping us vet and pick the best tool for the job.  
• Be willing to work in any area of the codebase if needed, this can include JavaScript/TypeScript/Node, PHP, Java or other technologies.  
• Help staff, build, and form the culture around a team of 5 engineers, a product manager, designer, QAs and associated supporting roles.

Qualifications include:

• Strong CS fundamentals including familiarity with data structures and especially the asynchronous challenges that face JavaScript developers today.   
• Experience developing in at least 2 server side languages (PHP, node.js, …)  
• Experience developing in at least 1 client side JS framework (ReactJS, Angular, …)  
• Experience testing software in alignment with the Test Pyramid.  
• Experience with datastores, either SQL (MySQL preferred) or NoSQL, and the ability to talk deeply about them.  
• Able to identify the source of complex problems occurring as a result of multiple systems interacting (experience with observability tools such as datadog/newrelic is a plus).   
• Experience working on a team of 5 engineers plus supporting roles (e.g. QA, design, etc), preferably as a Senior Software Engineer.  
• Experience with code review, being able to sign-off on another team member’s code ensuring high quality standards.  
• Be self-sustained even when tackling the highest profile, most difficult work across the organization.  
• Willingness to accept responsibility and be accountable not only for your own work but the work of the team as a whole.  
• Experience working with other people’s code, how to dig into it and make tactical changes with minimal side effects.  
• A solid understanding of how to break down user stories and give estimates that include accessibility and security requirements.  
• Be able to see roadblocks far ahead, across many vectors of risk  
• Be a true team player! Ensuring their knowledge and expertise is shared amongst other team members and even cross-team and be willing to seek out opportunities to mentor teammates.  
• A commitment to learning about anything you don’t know on your own and without much supervision.  
• Superior communications, organization and relationship building skills — you’re going to be working on cross-team efforts, so this is essential.  
• Self-motivation as well as ability and desire to learn new technologies, applications, processes, and environments.  
• A belief that delivering code to production is just one step in the process. Observing and owning the code you wrote goes hand in hand with construction.  
• A desire to take on whatever challenge is most important. This could be tackling something you are familiar with, or it could require a deep dive into a whole new world. The key is having the right attitude.