Senior Mern Stack Developer

Position : Tech Lead – Fullstack Developer

Experience : 7 to 15 Years

Location : MG Road, Bengaluru (Hybrid – 3 Days in Office)

Notice Period : Immediate / Serving / 15 Days or Less

About the Opportunity :

We are hiring a Tech Lead – Fullstack Developer for a well-funded product startup building an enterprise-grade SaaS platform in the Cybersecurity domain.

The role involves designing and delivering scalable microservices and cloud-native applications in a high-performing, Agile engineering environment.

You'll work alongside industry veterans from billion-dollar digital firms, contributing to technical design, product architecture, and engineering best practices.

Mandatory Skills : Java, Spring Boot, ReactJS (or any modern JavaScript framework), RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD, Hibernate/JPA, Multithreading, and Microservices architecture.

Role Highlights :

• Lead fullstack product development using Java (Spring Boot) and ReactJS (or similar frameworks).
• Design, develop, test, and deploy scalable microservices and RESTful APIs.
• Collaborate with Product, DevOps, and QA teams in a fast-paced Agile environment.
• Write modular, secure, and efficient code optimized for performance and maintainability.
• Mentor junior developers and influence architecture decisions across the team.
• Participate in all stages of the product lifecycle, from design to deployment.
• Create technical documentation, UML diagrams, and contribute to knowledge-sharing through blogs or whitepapers.

Key Skills Required :

1. Strong expertise in Java (mandatory) and Spring Boot.
2. Proficient in frontend development using ReactJS or similar frameworks.
3. Hands-on experience building and consuming RESTful APIs.
4. Solid knowledge of PostgreSQL, Hibernate/JPA, and transaction management.
5. Familiarity with Docker, Kubernetes, and cloud platforms (Azure/GCP).
6. Understanding of API Gateway, ACID properties, multithreading, and performance tuning.
7. Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Agile methodologies.
8. Strong debugging and profiling skills for performance bottlenecks.

Nice to Have :

• Experience with data integration tools (e.g., Pentaho, Apache NiFi).
• Exposure to the Healthcare or Cybersecurity domain.
• Familiarity with OpenAI APIs or real-time analytics tools.
• Willingness to contribute to internal documentation, blog posts, or whitepapers.

Perks & Benefits :

• Opportunity to build a product from scratch.
• Flat hierarchy and direct access to leadership.
• Strong focus on learning, mentorship, and technical innovation.
• Collaborative startup culture with long-term growth opportunities.

Interview Process :

1. Technical Round – Technical Assessment
2. Technical Interview – Core Development
3. Advanced Technical Interview – Design & Problem Solving
4. Final Round – CTO Discussion

🔍 𝐑𝐨𝐥𝐞: Full-Stack Developer

📍 𝐋𝐨𝐜𝐚𝐭𝐢𝐨𝐧: Chennai

💼 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐋𝐞𝐯𝐞𝐥: 3 to 5 years

𝐀𝐛𝐨𝐮𝐭 𝐭𝐡𝐞 𝐑𝐨𝐥𝐞:

As a Full-Stack Developer at ClubSpot, you will:

🔧 Develop and maintain scalable backend systems using Node.js and PostgreSQL.

🌐 Build and optimize frontend components with React and TypeScript.

📡 Design, develop, and maintain APIs (GraphQL and REST) for efficient data communication.

🤝 Collaborate with cross-functional teams to ideate, design, and deliver new features.

💬 Participate in technical discussions and contribute to architectural decisions.

🧹 Write clean, scalable, and maintainable code adhering to best practices.

🛠️ Troubleshoot, debug, and optimize the platform for performance and scalability.

📚 Contribute to team growth through collaborative programming, code reviews, and knowledge sharing.

𝐐𝐮𝐚𝐥𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬:

🎓 At least 3 years of experience as a Full-Stack Developer, with strong backend and frontend expertise.

🔧 Proficiency in Node.js, TypeScript, and React for frontend development.

🗃️ Experience with relational databases like PostgreSQL.

📡 Solid knowledge of API development (GraphQL and REST).

☁️ Familiarity with cloud platforms, preferably AWS.

🔄 Strong understanding of system architecture and best practices in software development.

🧠 Exceptional problem-solving and communication skills, both technical and non-technical.

🐳 Knowledge of containerization technologies (Docker, Kubernetes).

𝐖𝐡𝐲 𝐉𝐨𝐢𝐧 𝐔𝐬?

- Work in a collaborative, transparent environment.

- Learn and grow with cutting-edge technologies.

- Make a significant impact on a product transforming sports club management.

Core Competency:

Professional development experience, working the full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.

• Working knowledge of NodeJS, and JAVASCRIPT, is a must.
• Working knowledge of AWS cloud concepts is a must.
• Must be familiar with AWS serverless architecture.
• Must be familiar with data structure & algorithm concepts.
• Design, develop, and implement beautiful UI components to support business requirements.
• Follows approved life cycle methodologies, creates design documents, and performs program coding and testing.
• Resolves technical issues through debugging, research, and investigation.
• Own & Develop the REST APIs.
• Stay updated with new technologies and of changes in technologies that affect front-end web development.

Responsibilities :

• Design and write lots of bug-free, efficient, scalable, and reusable code
• Developing front-end architecture and ensuring responsiveness of the application
• Work across the full stack, building highly scalable products that enable positive user experiences and measurable business growth. 
• Working on refactoring the current codebase and determining the root cause for the most complex software issues and developing practical, efficient, and permanent technical solutions
• Optimizing backend services to scale for a few hundred concurrent users
• Develop APIs and scripts using backend programming languages like Node.js and Nest.js 
• Dockerizing different services and automating our AWS infrastructure provisioning steps
• Design and implementation of continuous integration and deployment. 
• Determine process improvements, and best practices, and develop new processes
• Mentor and coach other software engineers
• Integrating with third-party APIs and existing frameworks.
• Ensuring responsiveness of applications and writing maintainable, scalable, and unit-testable code. Be passionate about the long-term stability, scalability, and reusability of shared components.
• Implement new requirements, handle change requests, and fix bugs for different releases. Deliver a high-quality and functioning code.
• Integrating solutions to enterprise software and legacy software
• Actively Participate in sprint ceremonies and work towards continually improving the process
• Prioritizes tasks and keeps manager up to date on status and roadblocks
• Help the junior engineers to unblock them and guide them on best design practices. Help in code reviewing on a regular basis
• Prepare thorough technical documentation which can be used by other engineers
• Stay up to date with new technologies and determine how to incorporate these into future platform capabilities

Requirements:

• Minimum 4-8+ years of overall experience developing B2B SAAS products 
• 3+ years of Experience working on React.js and its core principles
• Bachelor's degree in Computer Science or a related field
• Hands-on experience with Node.js and Express.js including state management like Redux
• Good understanding of NestJS, Next.JS, Tailwind CSS, Server-Side Rendering, Storybook/Bit, Bootstrap, and Material UI.
• Thorough understanding of modeling and scaling databases like MongoDB, DynamoDB or Firestore
• Deep understanding of object-oriented JavaScript and design principles and standards
• Hands-on experience in UI optimization best practice implementations
• Understanding of Serverless architecture like Lambda or Google Cloud functions
• Significant experience in developing high-performance, distributed, and scalable applications with container deployment (Docker and Microservices)
• Well-versed with collaboration, and Testing tools like Git, Swagger, and Cypress
• Proven experience with unit testing, integration testing, and end-to-end testing.
• Knowledge of open-source technologies and common front-end development tools such as Babel, Webpack, NPM, PNPM etc.
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Knowledge of Nginx and AWS services like S3, and EC2 will be helpful

Preferred Skills:

• Exposure to Terraform, GItlab CI/CD, and GitOps is a plus
• A keen eye for UX has experience building complex B2B applications
• Comfortable working in a dynamic startup environment where experimentation is one of the most common practices for product innovation and improvements
• Basic understanding of the Figma Tool and app development via React Native
• Good experience with deploying applications on AWS & DevOps

Nice to Have:

• Great learning attitude and eagerness to take ownership
• Passionate personality with great enthusiasm for life outside of work
• Critical thinker and a problem solver who has a sense of urgency and wants an interesting job that pushes you out of your comfort zone.
• An innovator who is inspired by the endless ways in which everything we do can always be improved
• High-energy personality, with a strong and demonstrable work ethic

What we Offer:

• Competitive salary 
• Health Insurance
• Remote working environment
• Workday Swap
• Learning Culture

• Architect, design and build complex, highly scalable, high performance enterprise applications
• Lead, mentor and work with a team of engineers to deliver on clients application expectations
• Work with clients engineering needs and deliver on requirements in a team environment
• Accelerate development velocity for all engineers and deliver continuous improvements to the teams process and codebase
• Build automation to prevent and/or remediate service problems from becoming production incidents