Skilled Full Stack Developer

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

Position: Full Stack Developer

Experience: 5–7 years

Location: [Specify remote / hybrid / onsite]

Type: [Full-time / Contract]

About the Role

We are hiring an experienced Full Stack Developer with expertise in Node.js, Next.js, and Firebase Firestore. You must have personally built a complete CMS from scratch, covering backend architecture, frontend development, and cloud data management. This role demands deep understanding of clean code principles, advanced metaprogramming techniques, and strong hands-on experience with modern React tooling such as shadcn/ui, Tailwind CSS, and TanStack.

Key Responsibilities

• Architect, develop, and maintain scalable full-stack applications using Node.js and Next.js.
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• Design and manage cloud-based databases, especially using Firebase Firestore.
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• Build responsive, modern UIs with shadcn/ui, Tailwind CSS, and TanStack libraries.
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• Apply clean code principles (SOLID, DRY, KISS, YAGNI) to ensure maintainable, high-quality codebases.
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• Leverage metaprogramming (e.g., higher-order functions, decorators, dynamic modules) to create reusable, optimized systems.
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• Design and integrate APIs, both RESTful and GraphQL.
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• Handle authentication, authorization, and user management with best practices.
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• Lead or significantly contribute to CMS development projects.
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• Conduct code reviews, mentor peers, and promote engineering best practices.
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Required Skills

✅ 5–7 years professional experience in full stack development.

✅ Strong hands-on expertise in Node.js and Next.js.

✅ Proven experience building a complete CMS from scratch.

✅ Deep understanding and application of clean code principles.

✅ Practical experience with metaprogramming in JavaScript/TypeScript.

✅ Solid working knowledge of Firebase Firestore (queries, real-time updates, security rules, performance optimization).

✅ Proficiency with shadcn/ui, Tailwind CSS, TanStack (React Query, React Table).

✅ Strong experience designing and working with APIs.

✅ Understanding of cloud and serverless architectures (especially Firebase ecosystem).

✅ Familiarity with automated testing and CI/CD workflows.

✅ Excellent problem-solving, communication, and collaboration skills.

Nice to Have

• Experience integrating Firebase Authentication, Functions, or Storage.
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• Familiarity with cloud infrastructure (AWS, GCP, Azure).
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• Prior work in SaaS or multi-tenant platform design.
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• Contributions to open-source projects or technical blogs.
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Experience designing developer frameworks or libraries.

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!

• Working with designers to implement visual designs and user interfaces.
• Creating and optimizing website layouts and navigation.
• Integrating graphics, audio, and video content.

Website Maintenance:

• Monitoring website performance and troubleshooting issues.
• Performing website updates and maintenance.
• Ensuring website security and data protection.

Collaboration:

• Working closely with designers, content creators, and other team members.
• Communicating effectively with clients or stakeholders.
• Participating in project planning and development meetings.

Technical Proficiency:

• Staying up-to-date with emerging web technologies and trends.
• Using version control systems (e.g., Git).
• Understanding of server-side technologies and database management.
• Understanding of SEO principles.

Interested candidates are requested to email their resumes with the subject line "Application for [Job Title]".

Only applications received via email will be reviewed. Applications through other channels will not be considered.

Overview

Adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job description

The client’s department DPS, Digital People Solutions, offers a sophisticated portfolio of IT applications, providing a strong foundation for professional and efficient People & Organization (P&O) and Business Management, both globally and locally, for a well-known German company listed on the DAX-40 index, which includes the 40 largest and most liquid companies on the Frankfurt Stock Exchange.

We are seeking talented Java Application Developers to join our dynamic DPS team. In this role, you will design and implement change requests for existing applications or develop new projects using Jakarta EE (Java Enterprise Technologies) and Angular for the frontend. Your responsibilities will include end-to-end process mapping within the HR application landscape, analyzing developed functionalities, and addressing potential issues.

As part of our dynamic international cross-functional team you will be responsible for the design, development and deployment of modern high quality software solutions and applications as an experienced and skilled Full-stack developer. 

Responsibilities:

Design, develop, and maintain the application.

Write clean, efficient, and reusable code.

Implement new features and functionality based on business requirements.

Participate in system and application architecture discussions.

Create technical designs and specifications for new features or enhancements.

Write and execute unit tests to ensure code quality.

Debug and resolve technical issues and software defects.

Conduct code reviews to ensure adherence to best practices.

Identify and fix vulnerabilities to ensure application integrity.

Working with other developers to ensure seamless integration backend and frontend elements.

Collaborating with DevOps teams for deployment and scaling.

Requirements:

Bachelor’s degree in computer science or information technology, or a related field.

Proven experience as a skilled Full-stack developer. Experience in Utilities / Energy domain is appreciated.

Strong experience with Java (Springboot), AWS / Azure or GCP, GitLab and Angular and / or React. Additional technologies like Python, Go, Kotlin, Rust or similar are welcome

Excellent problem-solving and debugging skills. 

Strong communication and collaboration abilities to work effectively in a team environment.

Skills & Requirements

Java, Spring Boot, Jakarta EE, Angular, React, AWS, Azure, GCP, GitLab, Python, Go, Kotlin, Rust, Full-stack Development, Unit Testing, Debugging, Code Review, DevOps, Software Architecture, Microservices, HR Applications, Cloud Computing, Frontend Development, Backend Development, System Integration, Technical Design, Deployment, Problem-Solving, Communication, Collaboration.

TECHNICAL SKILLS REQUIRED:-

• Technical Competencies: HTML5, CSS, JS, jQuery, Angular JS, Ajax, JSON, SOAP, REST, cross browser compatibility, Responsive web design (RWD), version control, Web service integration.
• Deep knowledge of NodeJS, Angular2+ Version and MondoDB.
• Candidate should be proficient in both front-end and back-end development, including solution stacks like MEAN, and server-side technologies like Node.js.

JOB DESCRIPTION:-

Full Stack Developers are 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.

 He/She will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

• A champ in Data Structures, Algorithms, Object-Oriented Design, Analysis, Multi-threading, Design patterns, and other computer science concepts.
• Developing and managing applications for new features and enhancement in full-stack
• A proven technical leader within an Agile development environment
• Experience in delivering full-stack solutions across multiple technologies.
• Able to showcase work involving low latency concurrent and distributed systems/applications.
• Able to multi-task and work in a cross-cultural geographically distributed environment.
• Proactive, self-starter, and hands-on with multiple upcoming technologies.
• Managing our Engineering team - coach them, advocate for them, and productive.
• Providing technical leadership and being accountable for the technical decisions made by your team, with a focus on performance, scalability, privacy, and security.
• Work closely with Product, Design, and Manager to create a meaningful vision and roadmap for the team, towards delivering impactful work and a successful outcome.

• Multiple consumer-grade B2B apps for our agency partners, powering near real-time quoting, streamlined policy administration and claims management
• Safety platform to help transportation fleets understand and improve their safety
• Lead generation apps to build our customer acquisition funnel

• You have experience with software development/coding.
• You learn quickly and can operate independently. You're not afraid to take something on just because you don’t know how to do it yet.
• You not only have the ability or skill to communicate effectively but also have the willingness to be open and honest in your communication.
• You have a growth mindset. You take data-driven decisions and are constantly looking for opportunities to optimize and enhance our customer experience.

• Competitive weekly pay
• Reimbursement for your home-office setup
• Weekly team events to connect with fun, bright coworkers
• Lots of swag!

We are looking for a seasoned full-stack engineer to build out and manage our entire web infrastructure. Successful candidates will have a minimum of one year recent experience with all of the skills listed below.

Our project entails implementing our pre-approved UI, constructing our API, connecting the two, and setting up our server infrastructure. This includes all associated areas such as database and architecture design.

• Design and implementation of the overall web architecture
• “Pixel-perfect” implementation of our approved user interface
• Design and deployment of our database
• Ensuring the entire stack is designed and built for speed and scalability
• Design and construction of our REST API
• Integrating our front-end UI with the constructed API
• Design and implementation of continuous integration and deployment

What you need to have: