Full Stack Developer

About AiSensy

AiSensy is a cutting-edge WhatsApp-based Marketing & Engagement platform that helps businesses like Skullcandy, Vivo, Rentomojo, Physicswallah, and Cosco grow their revenues via WhatsApp.

• 100,000+ Businesses Empowered with WhatsApp Engagement & Marketing
• 400Cr+ WhatsApp Messages processed annually
• Partnering with top brands to drive 25-80% business revenue growth
• Backed by leading investors like Marsshot.vc, Bluelotus.vc & 50+ Angel Investors

Role Overview

We are looking for a Team Lead – Software Development who can drive high-performing teams, build scalable applications, and contribute to AiSensy's mission of reshaping WhatsApp marketing. If you’re a tech enthusiast with leadership skills and expertise in the MERN stack, this role is for you!

Key Responsibilities

• Technical Leadership – Lead and mentor a team of software engineers, fostering a collaborative and high-performance development culture.
• Scalable Architecture – Design and implement robust, scalable systems to handle millions of messages daily.
• Feature Development – Work closely with product managers, designers, and engineers to define, develop, and enhance new features.
• Code Excellence – Write clean, maintainable, and efficient code while enforcing best practices through code reviews.
• Performance Optimization – Identify and resolve bottlenecks to enhance the performance, security, and reliability of our applications.
• DevOps Collaboration – Work with DevOps to streamline CI/CD, deployment, and monitoring processes.
• Innovation & Learning – Stay updated with the latest industry trends, frameworks, and emerging technologies to keep AiSensy at the forefront of tech.

Qualifications & Skills

• 5+ years of overall experience in software development, with at least 3+ years in a leadership role.
• Expertise in the MERN stack (MongoDB, Express.js, React.js, Node.js).
• Strong JavaScript, TypeScript, and modern frameworks experience.
• Hands-on experience with RESTful API design, database management (MongoDB), and cloud platforms (AWS preferred).
• Deep understanding of software architecture, Agile methodologies, and CI/CD processes.
• Familiarity with containerization tools like Docker & Kubernetes is a plus.
• Strong problem-solving, analytical thinking, and excellent communication skills to work cross-functionally.

Why Join AiSensy?

• Be part of a high-growth startup transforming WhatsApp marketing
• Lead and build next-gen scalable applications
• Work with cutting-edge tech and solve complex challenges
• Ownership & Growth – Take full ownership of projects and scale your leadership impact

If you're a passionate Tech Leader ready to take ownership and build something game-changing, we’d love to hear from you!

• 2 - 6 years of software development experience in a professional environment
• 2.5 - 3 years of relevant experience in Node.js
• Experience in Android applications, directives, services etc.,
• Experience with Bootstrap 4.x+ (or internal framework)
• Experience in CSS3, HTML5, JavaScript, Typescript
• Able to integrate and use external (open source) libraries
• Develop high-performance and scalable APIs to serve clients.
• Experience in the creation of scalable RESTful APIs
• Experience in writing reusable, testable and efficient code.
• Collaborate with front-end developers on the integration of well-written APIs.
• Excellent verbal and written communications, ability to learn quickly and a willingness to work and add value to the team
• Experience with backend languages (e.g., Java) and JavaScript frameworks (e.g., Android, Node.js)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g. Apache) and UIUX design
• Experience in the creation of scalable RESTful APIs
• Writing reusable, testable, and efficient code
• Knowledge of containers and Kubernetes
• Good to know cloud technologies like AWS Google Cloud Azure, etc

We have an opening for Sr Lead Software Engineer -Full / Mern Stack Developer.

Responsibilities :

• Responsible for writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection
• Understanding of performance testing and optimization techniques

Requirements

• Should have the ability to translate Wireframes and PSD Designs into functional web apps using HTML5, React , Node.js, and Mongo.
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• Architect scalable web architectures
• Must have proven experience in front ( Rect.js)& back-end development (Node.js)
• Work in a cross-functional team to deliver a complete user experience
• Must know MongoDB, Express, Node.js, & React., Typescript, CSS, HTML, Bootstrap
• 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
• Must have the ability to wear many hats and learn new technologies quickly
• Candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• Should know Git Repository and Jira.
• Integration of data storage solutions [RDBMS, NoSQL DB]

Qualifications

Having Expereince in MongoDB - Document DataBase,

Node.js —Express(.js) web framework -Backend

React(.js) — a client-side JavaScript framework along with Bootstrap , HTML5, CSS3 - Frontend

Education : B Tech , BCA or Equivalent

Relevant Experience : 3 to 9 years : Full Stack developer

Preferred Candidate : Immediate Joiner

Location: Kolkata only ( Onsite).

Felicity literally means 'happiness'. We were conceived with the mission to make the world a happier place. Our core team is a mix of young startup leaders and seasoned doctors. Our mission in life is to make top-class talk therapy affordable and available anytime, anywhere to all those who could benefit from it. We strongly believe that mental health goes beyond labeled psychiatric illnesses and encompasses stress, anxiety, and other uncomfortable feelings that we have daily. We seek to spread that awareness and increase the number of people seeking therapy at the right time to improve their well-being. If you relate to the mission and it excites you to be part of an early-stage startup journey, we invite you to help us make the world happier, one life at a time.

The opportunity we are looking for a MEAN Stack developer to manage the frontend, backend and server-side of our Product. We are looking for someone passionate about performance, reliability, and design with the experience and credentials to back up that passion. Someone who can take ownership of applications, work on responsive design and solve technical challenges and take pride in their solutions and code. The person should be able to translate the business requirements into world-class code.

• Work with development teams and product managers to ideate software solutions
• Build the front-end and back-end applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective REST APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Provide technical expertise and leadership for Web Technology
• Provide design feedback to our design team
• Be responsible for end-to-end development and support cycle
• Provide client-facing presentations and support as needed.

• Strong knowledge and working exposure on the MEAN stack.
• Good understanding of server-side templating languages
• Creating database schemas that represent and support business processes
• Proficient understanding of code versioning tools, such as Git
• Understanding of Time-Space Complexity / Optimization
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Ability to design and build extremely reliable, scalable, and high-performing enterprise systems
• Knowledge and experience with AWS cloud environment and services
• Deep understanding of Software Development methodologies, delivery frameworks
• Experience working with the latest design patterns
• Passion for clean design and library/modular grade coding
• Ability to work in agile methodologies in a distributed team environment.
• Experience working with Git and GitFlow model
  
  

Who We Are:

Polosoft helps brands solve complex challenges through our integrated development and services offering. Headquartered in Bhubaneswar with offices in Delhi & USA, our teams are connected by a set of core values that inform everything we do, from how we hire to how we work together: values like Everyone Matters, No Silos, and Masters of Our Craft.

At Polosoft, we are creating a new model for a new age client, and we are obsessed with measured impact. We combine digital, analytical, and creative capabilities with industry knowledge and experience. That means clients can bring us their biggest challenges, knowing we have what it takes to bring a new business vision to life.

Polosoft is growing fast; hence an entrepreneurial mind-set and the ability to multitask would be highly desired.

We are Looking For:

As a Full Stack Developer, you are constantly leveraging your technical skills and creativity. You have mastered front-end and back-end development, creating reliable, lightweight, malleable, and high-performing web & enterprise applications. You are fluent in core PHP and at least 1 MVC framework from Laravel and Codeignitor, comfortable using CLI in Unix/ Linux server environments. You are technologically agnostic, genuinely enjoy experimenting with new frameworks, and closely follow changes across the tech landscape.

This role is perfectly suited for people that love to learn because it requires you to continuously update your skillset and technical abilities. Staying up to date on new development tools, programming techniques, and industry trends is also part of the job. If you’re someone who loves logic and problem solving, then We are looking for You.

What You Will Do

• No day is the same - you will create technical designs that support varying client requirements.
• You will design and develop full-stack web applications using the latest web technologies, primarily Angular js and React js, Express js
• Write code that passes unit tests and withstands an agile and test-driven development environment.
• Leverage your skills in industry standard tools to deliver weekly code releases.
• You’ll work in a ‘no silos’ environment, frequently collaborating with global teams and roles across the organization.

Who You Are

Requirements

• You can build products from scratch.
• You have expertise in any one of the back-end frameworks (PHP 5.x/7.x with XAMP/LAMP Environment, Laravel, Codeigniter PHP web framework, Node js, Express js, etc.)
• You are fluent in these languages - PHP, Javascript, NodeJS
• You have Strong knowledge of Ui and UX

• You have dabbled in these front-end tools - HTML 5, Bootstrap 3.0/4.0, CSS 3.0, React js,Node.js Angular JS, JQuery
• You understand when to use NoSQL ( Mongo DB) vs. relational database (MySQL)
• You are comfortable to use any of the web services (REST/ SOAP/ XML)
• You are comfortable to use ecommerce tool like magento 1 and 2, Woocommerce,prestashop and other CMS tool like wordpress (plugin building),drupal  and Joomla
• You preferably have experience in working with GIT, SVN or similar SCM tools
• You must have done one of this payment gateway integration - Paypal/ Stripe/ Razor pay
• You are comfortable working up and down the stack.
• You can convert ideas into designs and build them out

Seniority Level

Mid-level 2-4 Years of Experience

CTC : 3 – 6 LPA

• Developing, recording, and maintaining cutting edge web-based PHP applications on portal plus premium service platforms
• Building innovative, state-of-the-art applications and collaborate with the User Experience team
• Ensuring HTML, CSS, and shared JavaScript is valid and consistent across applications
• Preparing and maintaining all applications utilising standard development tools
• Utilising backend data services and contributing to increasing existing data services API
• Leading the entire web application development life cycle right from concept stage to delivery and post-launch support
• Conveying effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues
• Documenting the development process, architecture, and standard components
• Coordinating with co-developers and keeping project manager well informed of the status of development effort and serving as a liaison between development staff and project manager
• Keeping abreast of new trends and best practices in web development

Whizminds Innologix Private Limited is looking for a talented PHP Web Developer with experience of 1-7 years of experience in the field. Please don't Apply if you are Fresher.

• Technical expertise in PHP, Javascript, Jquery, Ajax should be very creative with coding and can apply various patterns of solving the problems.
• Working knowledge of Bootstrap and Excellent skills in PHP CORE, CAKE PHP
• Knowledge and expereince of MVC and CMS like Wordpress, Opencart, Magento Laravel, Codeigniter.
• Should comfortable to work on the development plugins, components, and modules
• Knowledge of web services.
• Design, develop, test, maintain and support high performance, innovative web-based applications.
• Write quality source code to be delivered on time, which meets defined project standards and deadlines.
• Perform maintenance on the source code, analyzing and fixing bugs where necessary.
• Periodically design and implement custom enhancements as per customer requirements.
• Should be comfortable to work on WordPress Laravel and codeigniter Framework and Mobile App Web services.
• Basic knowledge of Amazon Web Services and Docker.
• Good Communication Skills.
• Ability to work in a team.

equirements:

• Should have 3.6 - 5 Years work experience.
• Should have experience in Node. JS.
• Should have experience in HTML, CSS.
• Should have experience in JavaScript.