Full Stack Developers

Job Title: Full Stack Developer (Node.js + Next.js + Firebase Firestore)

Experience: 5–7 Years

Location: On-Site

Employment Type: Full-Time

Industry: Product-Based Company

About the Role

We are seeking a seasoned Full Stack Developer with strong architectural and development experience using Node.js, Next.js, and Firebase Firestore. The ideal candidate should have built complete CMS systems from scratch, with solid command of both frontend and backend architectures, clean coding principles, and modern JavaScript tooling.

This is a high-impact role requiring deep technical knowledge, attention to detail, and the ability to contribute to the core engineering efforts of a fast-paced product environment.

Key Responsibilities

• Architect, develop, and maintain scalable full-stack web applications using Node.js and Next.js
• Design and manage cloud-native databases using Firebase Firestore, including rules, queries, and performance optimization
• Build highly responsive and dynamic user interfaces using shadcn/ui, Tailwind CSS, and TanStack (React Query, React Table)
• Apply clean code principles (SOLID, DRY, KISS, YAGNI) to create maintainable, scalable solutions
• Implement metaprogramming techniques such as higher-order functions, dynamic modules, and decorators
• Develop and integrate RESTful and GraphQL APIs
• Handle secure authentication, authorization, and user management
• Lead or significantly contribute to CMS development projects
• Conduct code reviews, mentor junior developers, and enforce best practices

Required Skills

✅ 5–7 years of full-stack development experience

✅ Expertise in Node.js, Next.js, and JavaScript/TypeScript

✅ Demonstrated experience in building a custom CMS end-to-end

✅ Solid understanding of Firebase Firestore including security rules, real-time updates, and performance tuning

✅ Advanced knowledge of clean code architecture and reusable coding techniques

✅ Proficiency with shadcn/ui, Tailwind CSS, and TanStack libraries

✅ Experience working with both REST and GraphQL APIs

✅ Strong grasp of serverless architecture within Firebase ecosystem

✅ Familiarity with CI/CD pipelines and automated testing

✅ Excellent communication and collaboration abilities

Nice to Have

• Experience with Firebase Authentication, Functions, and Storage
• Exposure to cloud platforms like AWS, GCP, or Azure
• Experience in SaaS or multi-tenant platforms
• Contributions to open-source projects or writing technical blogs
• Experience creating internal tools, developer libraries, or design systems

Why Join Us?

• Be part of a product team that values clean code, scalable architecture, and modern tech stacks
• Contribute to mission-critical systems and new product features
• Work in a fast-paced environment with opportunities for growth and leadership

About AiSensy

AiSensy is a WhatsApp based Marketing & Engagement platform helping businesses like Skullcandy, Vivo, Rentomojo, Physicswallah, Cosco grow their revenues via WhatsApp.

• Enabling 100,000+ Businesses with WhatsApp Engagement & Marketing
• 400cr+ WhatsApp Messages done between Businesses and Users via AiSensy
• Working with top brands like Skullcandy, Vivo, Rentomojo, Physicswallah & more
• High Impact as Businesses drive 25-80% Revenues using AiSensy Platform
• Mission-Driven and Growth Stage Startup backed by Marsshot.vc, Bluelotus.vc & 50+ Angel Investors

Key Responsibilities:

• Build Scalable Architecture to handle millions of messages per day.
• Lead a team of engineers and guide them on a day to day basis.
• Collaborate with product managers, designers, and other engineers to define and implement new features and enhancements.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Conduct code reviews to ensure code quality and adherence to standards.
• Identify and resolve performance bottlenecks, bugs, and other issues.
• Mentor and provide guidance to junior engineers, fostering a culture of continuous learning and improvement.
• Participate in architectural discussions and contribute to the technical direction of the team.
• Stay up-to-date with the latest industry trends and technologies, and incorporate them into our development processes.
• Ensure the security, reliability, and performance of our applications.
• Collaborate with DevOps to streamline the deployment and monitoring processes.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field. Master’s degree preferred.
• Over all 5+ years of experience with proven experience 3+ years as a Software Engineer, with a strong track record of delivering high-quality software products.
• Expertise in the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong understanding of JavaScript and modern JavaScript frameworks.
• Experience with front-end technologies like HTML5, CSS3, and responsive design.
• Strong understanding of software development methodologies, including Agile and Scrum.
• Experience with RESTful API design and development.
• Experience with database design and management, particularly MongoDB.
• Familiarity with cloud platforms such as AWS.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.
• Experience with version control systems such as Git.
• Knowledge of containerization and orchestration tools like Docker and Kubernetes

About HighLevel:

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. With a focus on streamlining marketing efforts and providing comprehensive solutions, HighLevel helps businesses of all sizes achieve their marketing goals. We currently have ~1200 employees across 15 countries, working remotely as well as in our headquarters, which is located in Dallas, Texas. Our goal as an employer is to maintain a strong company culture, foster creativity and collaboration, and encourage a healthy work-life balance for our employees wherever they call home.

Our Website - https://www.gohighlevel.com/

YouTube Channel -https://www.youtube.com/channel/UCXFiV4qDX5ipE-DQcsm1j4g

Blog Post - https://blog.gohighlevel.com/general-atlantic-joins-highlevel/

Our Customers:

HighLevel serves a diverse customer base, including over 60K agencies & entrepreneurs and 500K businesses globally. Our customers range from small and medium-sized businesses to enterprises, spanning various industries and sectors.

Scale at HighLevel:

We work at scale; our infrastructure handles around 30 Billion+ API hits & 2 Billion+ message events monthly and over 25M views of customer pages daily. We also handle over 200 Terabytes of data across 5 Databases.

About the Role:

Seeking a seasoned Lead Engineer with hands-on experience in Node.js and Vue.js (or React/Angular). You will be instrumental in building cutting-edge, AI-powered products along with mentoring or leading a team of engineers.

Team-Specific Focus Areas:

Conversations AI:

-Develop AI solutions for appointment booking, forms filling, sales, and intent recognition

-Ensure seamless integration and interaction with users through natural language processing and understanding

Workflows AI:

-Create and optimize AI-powered workflows to automate and streamline business processes

Voice AI:

-Focus on VOIP technology with an emphasis on low latency and high-quality voice interactions

-Fine-tune voice models for clarity, accuracy, and naturalness in various applications

Support AI:

-Integrate AI solutions with FreshDesk and ClickUp to enhance customer support and ticketing systems

-Develop tools for automated response generation, issue resolution, and workflow management

Platform AI:

-Oversee AI training, billing, content generation, funnels, image processing, and model evaluations

-Ensure scalable and efficient AI models that meet diverse platform needs and user demands

Responsibilities:

• REST APIs - Understanding REST philosophy. Writing secure, reusable, testable, and efficient APIs.
• Database - Designing collection schemas, and writing efficient queries
• Frontend - Developing user-facing features and integration with REST APIs
• UI/UX - Being consistent with the design principles and reusing components wherever possible
• Communication - With other team members, product team, and support team

Requirements:

• Expertise with large scale Conversation Agents along with Response Evaluations
• Good hands-on experience with Node.Js and Vue.js (or React/Angular)
• Experience of working with production-grade applications which a decent usage
• Bachelor's degree or equivalent experience in Engineering or related field of study
• 5+ years of engineering experience
• Expertise with MongoDB
• Proficient understanding of code versioning tools, such as Git
• Strong communication and problem-solving skills

EEO Statement:

The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government recordkeeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision.

• Ability to work in an existing codebase and collaborate with a diverse team
• Experience in building enterprise-scale backend REST APIs with frameworks such as Nest.js & Express.js using an API-first paradigm
• Intimate knowledge of crafting highly performant database queries
• Hands-on experience implementing relational database structures, including tables, indexes, views, etc.
• A mindset towards building systems for the cloud and DevOps fundamentals
• Working knowledge of cloud infrastructure services is good to have. If not then willingness to learn should be there.
• Focus towards building security, performance, and scalability into services from the beginning
• Experience with debugging code and troubleshooting technical issues in order to craft appropriate solutions
• Strong proficiency with JavaScript
• Experience in creating and deploying cloud-based web applications.
• Good at Jade, EJS,
• Good at CSS preprocessors (such as Stylus, Less, etc depending on your technology stack)
• Front-end technologies, such as HTML5, and CSS3
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Experience with Node.js using web server-based frameworks such as Express.
• PLUS - experience with React.JS, React Native, vue.js javascript framework * Experience with Amazon Web Services
• PLUS - experience with Jenkins or other Continuous Integration tools

Job Brief

We are looking for a Full Stack Developer to produce scalable software solutions. You will be part of a cross-functional team that is responsible for the full software development life cycle, from conception to deployment.

Responsibilities:

• Work with development teams and product managers to ideate scalable software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Design, develop and manage well-functioning databases and applications
• Develop web applications implementing MVT architecture using Django web application frameworks
• Write effective APIs
• Manage the complete software development process from conception to deployment
• Maintaining and upgrading the software following deployment
• Should be able to visualize a proposed system and be able to build it
• Experience with Django, Flask, rest frameworks

• Work with server-side technologies including databases and MVC and MVT patterns
• Maintain version control system such as GIT
• Should know all the phases of SDLC from requirement gathering to support and maintenance.
•  

Requirements:

• 3-5 years proven experience as a Full Stack Developer
• Familiarity with common stacks
• Strong understanding of algorithms, data structures and system design
• Knowledge of LAMP and MEAN solution stacks
• Ability to develop front end website architecture and back-end website applications
• Knowledge of multiple front-end languages and libraries (HTML/ CSS, JavaScript, React, Angular, Vue, XML, jQuery and LESS)
• Knowledge of multiple back-end languages (C#, Java, Python) and JavaScript framework like Node.js
• Familiarity with databases (MySQL, SQL, MongoDB), web servers (Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science or relevant field

• Strong development experience in Java, JavaScript on Node.js
• Proficiency in full-stack web application development (MEAN stack)
• Strong programming skills with experience in design, coding, and testing
• Proficiency with relational databases such as MySQL
• Good understanding of server-side CSS preprocessors (such as Sass, based on project requirements)
• Good experience with AJAX, REST, and JSON
• Experience with AWS cloud services will be an added advantage
• Understanding of Source Control tools for version control: GIT/SVN

Requirements

• Bachelor's degree in Computer Science, Engineering or a related subject
• 2 - 6 years of hands-on experience developing, implementing, and delivering web applications
• Excellent written and verbal communication skills 

What we are looking for:

We are looking for a Full Stack Developer who has a strong understanding of designing and developing Shopify API. Candidate should also have worked on any of the following Frontend frameworks like ReactJS , NextJs and VueJs.

The candidate should be proactive enough to anticipate problems and keeping the team and management informed in a timely manner. You have to work with the Product Owner/ Cross-functional teams in the organization to understand the business requirements and to deliver solutions.

Requirements

• Minimum 2 years of experience in Full Stack Development.
• Strong Understanding of Shopify API. (Mandatory)
• Experience working with Shopify apps and 3rd party services.
• In-depth experience with Shopify’s Liquid language.
• Deep Knowledge in NodeJS & JavaScript.
• Should have experience in designing with NoSQL Databases such as MongoDB etc.
• Must know either ReactJs, NextJs or VueJs .
• Hands on experience on AWS.
• Proficient understanding of code versioning tools, such as Git.

About the company

Anaxee Digital Runners is building India's largest last-mile verification & data collection network of Digital Runners (shared feet-on-street, tech-enabled) to help Businesses & Consumers reach remotest parts of India, on-demand. We are already serving 11000 pin codes (57% of India) | Website: www.anaxee.com

Check out our company pitch (6 min video) to understand the goal-https://www.youtube.com/watch?v=7QnyJsKedz8

Job Role

As a software developer, you’ll be the brain behind crafting, developing, testing, going live and maintaining the system. You are passionate about understanding the business context for features built to drive better customer experience and adoption.

Job Location: Indore | Full Time | Experience: 2.5 yrs & above | Salary ∝ Expertise | Rs.5L ~ Rs.12L |

Responsibilities:

• Familiar with the software development life cycle (SDLC) from analysis to deployment.
• Comply with coding standards and technical design.
• Believes in a systematic approach to developing the system through clear documentation (flowcharts, layouts, &, etc) of functionality, address every use case through creative solutions.
• Adapts structured coding styles for easy review, testing, and maintainability of the code.
• Integrate the developed functionality and/or component into a fully functional system.
• Ensure unit and integration level verification plan are in place and adheres to a great quality of code at all time.
• Active participate in troubleshooting, debugging and updating current live system.
• Verify user feedback in making system more stable and easy.
• Work closely with the Product manager, designers, and other peer developers.
• Preparing technical training documents for onboarding new engineers.

Requirements

• Bachelor’s degree in computer science or equivalent practical experience.
• 2+ years of experience as a Software Engineer or Software Developer or in a relevant role.
• Smart Hands-on coder who can independently architect solutions and mentor team members.
• Solid experience in PHP, Node, Mongo, and MySQL
• Should have good Web service and Web application fundamentals
• Understanding of OOPS concepts, Persistence, Threading.
• Should have worked with HTML/ CSS/ Jquery/ Js / API.
• Knowledgeable in data structures and algorithms.
• Experience with open-source projects.
• Experience in designing interactive applications.
• A background in Engineering with sound oral and written communication skills.
• Prior experience with AWS, Azure, Google or OpenStack will be a plus.
• Hands-on a google cloud platform and Experience in Suite CRM is an added advantage.

  
  

Your application should include

• Details about applications you have previously worked on
• A GitHub or stack overflow profile if you have one.

What we offer

• Competitive salary, Startup Flexibility
• Great working atmosphere in a comfortable office.
• And an opportunity to get associated with a fast-growing VC funded startup.