


Hashtag Labs is looking for MERN stack developer who is an expert in MongoDB, Express, React and Node. He/she should be proficient in JavaScript and use HTML, CSS and JavaScript to handle front-end operations and JavaScript with Node.js to handle back-end operations.
Roles and Responsibilities:-
- Ability to translate Wireframes into functional web apps.
- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- MERN stack developer must have proven experience in front & back-end development
- Work in a cross-functional team to deliver a complete user experience
- React.JS NodeJS developer must know MongoDB, Express, Node.js, & React.
- Create Unit and Integration tests to ensure the quality of code
- Be responsive to change requests and feature requests
- Write code that is cross-platform and cross-device compatible
- MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
- For MERN stack developer job, candidate must have good Knowledge of Node Debugging
- Understanding & proficiency in REST APIs.
- MERN stack developers should know Git Repository and Jira.
- Integration of data storage solutions [RDBMS, NoSQL DB]
Experience: 2+ years
Job Location: Lucknow, Uttar Pradesh

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About Us:
We are a cutting-edge startup reshaping the construction management landscape with AI-driven solutions that simplify complex processes and maximise efficiency. Our platform leverages the latest web and mobile technologies to solve real-world challenges for the construction industry, blending innovation with usability. If you're passionate about building scalable systems and love solving problems, we want you on board!
Who You Are:
A tech enthusiast with a knack for both front-end finesse and back-end brilliance. You’re eager to dive into code and bring ideas to life. You think in Angular components, dream in Node.js APIs, and are equally comfortable navigating MongoDB queries as you are crafting mobile interfaces with React Native or Flutter. You thrive in a fast-paced startup environment and have a passion for building things from scratch, continuously optimising for performance, and ensuring scalability.
What You’ll Do:
- Full-stack Magic: Craft seamless, intuitive UIs with Angular and powerful, RESTful backend services using Node.js and MongoDB.
- Mobile Innovation: Build responsive mobile applications using React Native or Flutter—taking our platform to the field and making it accessible from any device.
- End-to-End Development: Own features from brainstorming to deployment—handling everything from database architecture to front-end performance.
- Optimise and Scale: Ensure that our platform is high-performing, scalable, and future-proof. You’ll be part of laying the groundwork for big, exciting growth.
- Collaborate & Conquer: Work closely with our design, product, and AI teams to integrate machine learning and automation features into our platform, pushing the boundaries of what tech can do in construction.
Tech Stack:
- Frontend: Angular for web, React Native for mobile
- Backend: Node.js, Express/Fastify
- Database: MongoDB
- Cloud & DevOps: AWS, Docker, CI/CD pipelines
What You Bring:
- Angular wizardry—you know your way around components, services, and everything in between.
- Node.js expertise—you can build robust, scalable APIs and thrive in an asynchronous environment.
- React Native/Flutter mobile skills—a passion for crafting intuitive mobile experiences.
- MongoDB knowledge—you understand database design, indexing, and aggregation pipelines.
- Code Quality Focus—whether it's writing tests or reviewing pull requests, you're all about clean, maintainable code.
- Experience with Git, CI/CD, and working in an agile, fast-paced team.
Bonus Points For:
- Experience in AI/ML integrations or a curiosity about machine learning’s potential in web and mobile apps.
- Familiarity with GraphQL and modern state management libraries.
- A solid understanding of the construction industry or experience building SaaS products.
Why Work With Us:
- Impact: Be part of a mission-driven startup solving real-world problems in a trillion-dollar industry.
- Innovation: Collaborate with a forward-thinking team to build AI-powered, scalable tools from the ground up.
- Growth: We’re a fast-growing startup, so your career can skyrocket here. Bring your ideas, and we’ll give you the space to make them happen.
- Culture: A collaborative, tech-driven, and fun work environment that values creativity, ownership, and growth.


Experience:
- 2-5 years
Requirements:
- strong backend knowledge in Node.js
- knowledge in typescript would be an added advantage
- frontend tech: React, Vue(Optional)
- familiar with Redux, RTK
- knowledge in db: MySQL, PostgreSQL, MongoDB(Optional)
- experience in git
- familiar with linux systems
- familiar with hosting web servers and technologies like nginx, apache
- familiarity with docker is an added advantage
Responsibilities:
- building microservices, REST APIs
- adhering to best security, performance and scalability techniques
- coding complex modules
- code reviews- enforcing best practices
- implementing better application architectures
- strong interest to learn new technologies and adapt
- agile methodology project experience
- experience in estimating projects
- assist in preparing technical documentations
- passion for team work and innovation
Industry
Information Technology & Services
Employment Type
Full-time
Job Type: Full-time
Pay: ₹10,000.00 - ₹30,000.00 per month
Schedule:
- Day shift
Ability to commute/relocate:
- Kozhikode, Kozhikode - 673019, Kerala: Reliably commute or planning to relocate before starting work (Required)
Education:
- Bachelor's (Required)
Experience:
- Angular: 1 year (Preferred)
- total work: 2 years (Required)
- Java: 2 years (Required)



Skills Required:
- Be “fully responsible” for the back-end services and UI integration.
- Highly proficient with GIT and have a GitHub profile.
- Have in-depth know-hows of HTML5, CSS3 and Bootstrap.
- Keen understanding of JavaScript, and frameworks like Angular 1.x, Angular2/4/5/6/7, React.js.
- Adequate experience in Typescript, Materialize CSS, AWS SDK for JavaScript, and/or Google Charts library.
- Understands the benefits of Memory Storage, Relational Databases and Dynamo db.
- Proficiency in backend languages- Node.js or Java/J2EE.
- Updated about the latest trends in technology.
- Adaptability towards Organizational visions/goals.
- Congenial with consumer-interactions.
- Must have a prerequisite of Third-Party APIs, Version Control, Development and Hosting.
- Basic experience in Agile environment and DevOps practices.
- Proficient communication/interactive skills


Requirements:
- At least 8 years of experience, building large scale applications
- Experience working at startups in growth phase with war stories to share
- Experience with frontend technologies like vue.js or react.js
- Strong experience with at least one backend framework, preferably express.js
- Extensive experience in at least one programming language (preferably Javascript, GoLang) and ability to write maintainable, scalable and unit-testable code
- Experience in CI/CD and cloud infrastructure management
- Strong understanding of software design principles and patterns
- Excellent command over data structures and algorithms
- Passion for solving complex problems
- Good understanding of various database technologies with strong opinions around their use cases
- Experience with performance monitoring and scaling backend services
- Experience with microservices and distributed systems in general
- Experience with team management
- Excellent written and verbal communication skills
Good to have:
- Worked on products that addressed an international audience
- Worked on products that scaled to millions of users
- Exposure to emerging/latest technologies like blockchain, bots, AR/VR
- Exposure to AI/ML

What is the role?
You will be responsible for developing and designing front-end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties. You will be responsible for the functional/technical track of the project
Key Responsibilities
-
Developing front end website architecture
-
Designing user interactions on web pages
-
Developing back end website applications
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Creating servers and databases for functionality
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Ensuring cross-platform optimization for mobile phones
-
Ensuring responsiveness of applications
-
Working alongside graphic designers for web design features
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Seeing through a project from conception to finished product
-
Designing and developing APIs
-
Meeting both technical and consumer needs
-
Staying abreast of developments in web applications and programming languages
What are we looking for?
An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.
-
Education - BE/MCA or equivalent
-
Overall 4+ years of experience
-
Agnostic/Polyglot with multiple tech stacks
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Worked on open source technologies – NodeJs, ReactJs, python, Mysql, No SQL, MongoDB, DynamoDB
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Good experience with Front-end technologies like Javascript frameworks, Reactjs, Angularjs
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Backend exposure – good knowledge of building API
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Worked on serverless technologies
-
Efficient in building microservices in combining server & fronted
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Knowledge of cloud architecture
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Should have sound working experience with relational and columnar DB
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Should be innovative and communicative in approach
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Will be responsible for functional/technical track of a project
Whom will you work with?
You will work with a top-notch tech team, working closely with the architect and engineering head.


MERN Stack Developer will work closely with the cross-team to discover effective and elegant solutions to complex problems.
· Excellent knowledge of HTML, CSS, Material-UI and Responsive.
· Strong concepts of Javascript, ReactJs, NextJS.
· Should have Excellent Experience of Node.js.
· In-Depth knowledge of Express Js, JavaScript, TypeScript,
· Should have experience in MongoDB, My SQL, GraphQL, and any graph Database
· Experience working with REST APIs, and Sockets.
· Ability to Identify and fix production and non-production application issues as a part of the deployment.
· Good Knowledge of AWS - Beanstalk, Cloud Watch.
· Good Knowledge of JSON, API, and JWT.
· Good to have Agile/JIRA/ Continuous Deployment experience.
· Ability and willingness to manage multiple projects/tasks.
Job Responsibilities:
· Should have completed B. Tech in IT / CS.
· Understanding accessibility and security compliance (Depending on the specific project)
· Understanding fundamental design principles behind a scalable application.
· Good communication and language skills.
· Strong focus on performance optimizations, caching, and scalability.
· Ability to deal well with ambiguous/undefined problems; ability to think abstractly


You should have
- Degree in Computer Science or relevant field
- Strong knowledge and understanding of JavaScript and TypeScript
- Knowledge of multiple frontend languages and frameworks including HTML, CSS, SCSS, JavaScript and React.
- Knowledge of backend languages and frameworks primarily Node.js
- Familiarity with SQL databases (e.g. PostgreSQL)
- Knowledge of Docker, and Kubernetes would be a plus.
- Leadership skills for guiding and mentoring teammates.
- Understanding of CI/CD Concepts
- Awareness of key concepts in DevOps and Agile principles
Perks
- Flexible working hours - employee tracking is never a thing
- A fun and close-knit agile team.
- Open office layout that promotes collaboration, conversation, and camaraderie – the result-oriented team.
- Recreational activities to keep you away from the screen and live, laugh, and enjoy with the team.
3-6+ years backend server side micro services based applications development experience with
the following skill set:
1. Rest Services using NodeJS & Express Js
2. Micro services-based application development using Kubernetes, Dockers, WAF
3. Server Frameworks : XMPP Server or any messaging/chatting server frameworks, chat-bots,
Audio and Video calls server framework like Signal Server/BigBlueButton, Push Notification
services, Sync Gateway server like Couchbase sync gateways, Streaming Services using
Kafka/Spark
4. Languages : Java Script is mandatory. Preferred if you are also hands-on with Typescript,
Python, Java.
5. Database : Working experience in one of these document databases- Dynodb, Cosmos db,
MangoDB. Preferred if you also have working experience in any of these RDBMS - MySQL,
Postgress, SQL Server
6. Storage : Working experience in any one of these storage technologies - S3, Blob or any
cloud storages
7. DevOps : JIRA, Jenkins, ELK, CI/CD, Git, AWS or Azure cloud compute


