Mirabel Technologies | Full stack Developer| 1-5yrs

Design and develop scalable web applications using MEAN/MERN stack.

Build & optimize AI/LLM workflows using LangChain or LangGraph.

Implement vector storage & semantic search using FAISS / Pinecone / Chroma / Milvus.

Build APIs, microservices, and integration layers.

Optimize application performance and ensure code quality.

Collaborate with cross-functional teams (product, design, backend, DevOps).

Must-Have Skills

• Strong experience in Node.js, Express.js, MongoDB, and Angular/React.
• Hands-on experience in LLM apps, RAG pipelines, Vector Databases.
• Practical knowledge of LangChain / LangGraph.
• Experience with REST APIs, authentication, and integrations.
• Solid understanding of Git, CI/CD, and cloud platforms (AWS/Azure/GCP).

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

(Looking for Local Candidates of Mumbai)

About the Role

We are seeking a skilled and experienced Full Stack (MERN) Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain scalable web applications using MongoDB, Express.js, React.js, and Node.js
• Translate UI/UX designs into high-quality front-end code
• Build and integrate RESTful APIs
• Ensure performance, quality, and responsiveness of applications
• Participate in design discussions, code reviews, and contribute to technical documentation
• Work in a collaborative, agile development environment

Required Skills

• Strong proficiency in JavaScript, React.js, Node.js, and Express.js
• Hands-on experience with MongoDB or other NoSQL databases
• Solid understanding of RESTful APIs and architectural patterns
• Knowledge of version control systems like Git
• Understanding of CI/CD and cloud-based deployment practices
• Good grasp of performance optimization, caching, and security practices

Synopsis

• We are seeking an experienced Node JS Mongo DB Developer to join our development

team.

• As a Node.js MongoDB Developer, you will be responsible for designing, implementing,

and maintaining server-side applications using Node.js and MongoDB.

JOB ROLE :

• Integration of user-facing elements developed by front-end developers with server side

logic

• Writing reusable, testable, and efficient code

• In depth knowledge of node js and Express framework (more frameworks will be

preferred)

• Design and implementation of low-latency, high-availability, and performant applications

• Implementation of security and data protection

• Experience with Elastic search mongo database and SQL

• Strong proficiency with JavaScript.

• in depth knowledge on how JS works.

• Bonus points for experience working with GCP or AWS ecosystem such as Kubernetes,

• Familiarity working with VCS such as Bitbucket, Github/Gitlab

• Experience in automated unit test development practices and design methodologies

• Expertise with NodeJS (extensively using ExpressJS), AngularJS and MySQL
• Rich user interface development experience with HTML5, JQuery, w3css/bootstrap etc and JavaScript frameworks like AngularJS and Angular 
• Expertise in building real-time web applications using MQTT, Websocket, Socket.IO, and EventSource frameworks
• Comfortable with developing MVC architecture-based code
• Comfortable in using at least one of the Graph/Chart libraries
• Ability with report generation from HTML contents
• Skilled in implementing security features across the applications and components
• Experience with tools usage - Code quality, Memory/CPU profiling tools
• Skilled with code optimization techniques
• Experience with docker container usage
• Experience with LDAP is a plus
• Strong troubleshooting techniques
• The strong defect resolution process for minimized latency
• Familiarity with confluence management (JIRA)
• Good to have a basic understanding of PHP frameworks like Yii, Codeigniter and databases like  MongoDB
• Good to have strong networking fundamentals, prior working experience in network technologies and protocols
• Ability to build supportability features to reduce the defects in software components
• Knowledge of GNU tools, revision control software (SVN, Git, etc.) and development lifecycle is a plus

• Integration of user-facing elements developed by front-end developers with server-side logic.
• Writing reusable, testable, and efficient code.
• Design and implementation of low-latency, high-availability, and performant applications.
• Follow emerging technologies
• Test and develop software for client applications
• Proficiency in JavaScript
• Strong knowledge of JavaScript technologies such as Node.JS, React.JS, Express.JS, etc.
• Experience in a wide variety of databases such as MySQL, MongoDB, etc.
• Understand Architectural Requirements and ensure effective design and development.
• Enable absorption of latest technologies in the product line.
• Good analytical & Communication skills.

• Participating in design discussions, documentation, and development with the team as needed.
• Working closely with the product manager for deliverables and milestones identification.
• Reporting to technical lead/manager on daily activities planned, expected deliverables, and reports as defined for the project.
• Participating in requirement gatherings as required.

• At least 3 years of proven experience of working as a software developer, out of which at least 2 years must be spent in a solid back end role
• Be able to write clean, maintainable code which others can work on
• Familiarity with RDBMS (MySQL, PostgreSQL) and NoSQL (MongoDB) databases, web servers (e.g. Apache) and UI/UX design
• Experience in taking a problem to a product solution (module/product) from scratch - a proven record of shipping on time and budget
• You've worked with startups before and understand the fast-paced, dynamic nature of work
• People with high attention to detail, flexible and focused on solutions, organized and self-sufficient, prioritize learning and growth and will enjoy working with a team usually tend to excel in this role

• Develop, test, and deploy fast and scalable web apps
• Assist high-end web applications using , Node JS , Mongo DB , Angular9+
• Responsible for solving complex technical issues and giving quick solutions
• Active in client communication to understand functional requirements
• Assist in design, coding and testing
• Provide quick and simple technical solutions
• Ensure quality projects are delivered within defined timelines
• Maintain database to ensure strong optimization and functionalities
•  Designing and maintenance of fully functional large relational and non-relational databases
• Timely deployment of web apps on the cloud
•  Server management and cloud-based infrastructure
• Establishment and integration of development tools as required
• Identification of application issues when deploying the apps
• App deployment on the cloud along with solving debugging issues
• Coding architecture for frontend and backend
• Building interactive consumer data
• Creating features in apps that have a mobile responsive design
• Testing applications and fixing bugs, along with security and data protection features
• Establish code architecture decisions for supporting scalability and good performance
• Makes use of popular front-end frameworks like Bootstrap, LESS, etc and design UI components
• Participation with developers for the creation of scalable RESTful APIs
• Conducting code reviews of developers

• A Bachelor’s in a related computer science field.
• Expertise and experience in the four main technologies – MongoDB, ExpressJS, Angular, and NodeJS
• Knowledge of HTML/CSS, jQuery, Python, OOPS, UI/UX design, AWS, Git, and design framework, web services, JSON, AJAX, cryptography, and security,
• Experience implementing applications using Angular or React
• Experience creating front end applications using HTML5, Angular, LESS/SASS frontend CSS frameworks like Bootstrap, etc.
• In depth knowledge of NodeJS, ExpressJS or Restify
• Experience implementing applications using Angular
• Hands-on experience with JavaScript Development on both client and server-side
• Experience with modern frameworks and design patterns,
• Experience with cloud technologies also a plus

If you are an analytical problem solver with a strong Web Development knowledge and a passion for teamwork and innovation, we have the perfect job for you!

We are looking for a Web Developer to join our award-winning, talented team, building the next generation automated drone applications for our global customers.

As a front-end developer, you will implement a complete user interface in the form of a web app. A thorough understanding of all of the components of FlytBase platform and infrastructure is required. You will need to take ownership of your projects, which involves detailing requirements after discussion with the Product Owner, building user interfaces, developing and maintaining web apps with a focus on user experience. 

We offer an outstanding team environment, flexible working hours, and various opportunities to advance your career. We are looking for a long-term relationship and committed individuals to join our team. This position is based out of our development centre in Pune, India.

Responsibilities

• Work as part of a team developing applications and services using Agile development methods
• Contribute to team and organizational improvements in process and infrastructure
• Effectively use tools and ingenuity to identify and fix defects before they become a problem
• Creating self-contained, reusable, and testable modules and components
• Learn about the domain and competitors to propose new drone apps as well as improvement for existing apps
• Collaborate on projects with a closely knit team

As a Front End Developer

• Delivering a complete front end application
• Ensuring high performance on mobile and desktop
• Writing tested and documented TypeScript/JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the backend developers, and yourself
• Cooperating with the back-end developer in the process of building the RESTful APIs
• Make design and technical decisions for Angular projects.
• Communicating with external web services
• Develop and maintain web apps using our FlytAPIs

As a Back End Developer

• Integration of user-facing elements developed by front-end developers with server side logic
• Design and implementation of low-latency, high-availability, and high-performance applications
• Implementation of security and data protection
• Writing reusable, testable, and efficient code

Skills/Experience

• 1-4 yr experience as an Angular 2+ or React or Ionic Developer.
• Strong expertise with NodeJS, HTML5, CSS, JSON, jQuery, Bootstrap and writing cross-browser compatible code.
• Knowledge of NodeJS frameworks such as ExpressJS etc.
• Knowledge of Creating RESTful services with Node.js and Experience with Socket.io
• Good understanding of HTML Dom manipulation Techniques
• User authentication and authorization between multiple systems, servers, and environments
• Understanding of fundamental design principles behind a scalable application
• Proficiency working with source control (git) / versioning systems, continuous integration in an agile development setup
• Strong analytical skills and problem solving aptitude
• Attention to details
• Team player
• Good time-management skills
• Great interpersonal and communication skills

Good to Have

• Understanding of how to deploy Mean stack applications in AWS/Azure deployment environment, considering security, reliability, etc.
• Knowledge of other python-based server side frameworks such as Flask or Django.

Essential Duties and Responsibilities:

• Execute full lifecycle software development
• Develop, designed well efficient code
• Integrate software components into a fully functional software system
• Fully adaptive to the technology needed for the current project

Requirements:

• Minimum 8 year of strong demonstrated knowledge in PHP, Mysql, Mongodb, Jquery, SASS
• Algorithms, data structure.
• Object-oriented programming.
• AWS/Server experience to handle production machines is a plus.
• Team Management mandatory
• Experience on PHP, PHP Frameworks, Ajax, Knowledge on CMS platform like Opencart, payment gateway integration, experience working on portals.
• Familiarity with software development methodology and release processes.
• Strong problem-solving skills and excellent communication skills
• Product based company preferable
• Startup experience preferable