Team Lead Mern Stack Developer

About the Role:

We are looking for a skilled Full-Stack Developer with expertise in Python, JavaScript, and No-Code AI tools to join our dynamic team. The ideal candidate should be proficient in both backend and frontend development, capable of working with modern frameworks, and have experience in LLM prompt engineering, data extraction, and response formatting.

Key Responsibilities:

• Develop and maintain scalable backend services using FastAPI / Flask / Django.
• Build dynamic front-end applications using React / Next.js.
• Implement LLM-based solutions for data extraction and response formatting.
• Design and optimize databases using Milvus / Weaviate / Pinecone for vector storage and MongoDB / MySQL for structured data.
• Collaborate with cross-functional teams to deliver high-quality AI-driven applications.
• Ensure application performance, security, and scalability.
• Communicate technical ideas effectively through written and verbal communication.

Required Skills & Qualifications:

Technical Skills:

• Programming: Proficiency in Python and JavaScript.
• Backend: Experience with FastAPI / Flask / Django.
• Frontend: Strong understanding of React / Next.js.
• Database: Knowledge of at least one vector database (Milvus / Weaviate / Pinecone) and one relational or NoSQL database (MongoDB / MySQL).
• No-Code AI & LLM:
• Expertise in LLM Prompt Engineering.
• Experience with data extraction from context and response formatting.

Soft Skills:

• Strong written and verbal communication skills.
• Ability to collaborate effectively with teams and clients.
• Problem-solving mindset with a focus on innovation and efficiency.

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

About the job

Key Responsibilities

1. Design, develop, and maintain dynamic, responsive web applications using React.js and Node.js.

2. Build efficient, reusable front-end and back-end components for seamless performance.

3. Integrate RESTful APIs and third-party services.

4. Collaborate with UI/UX designers, mobile teams, and backend developers to deliver high-quality products.

5. Write clean, maintainable, and efficient code following modern coding standards.

6. Debug, test, and optimize applications for maximum speed and scalability.

7. Manage databases using MongoDB and handle cloud deployment (AWS, Firebase, or similar).

8. Participate in code reviews, architectural discussions, and agile development cycles.

Required Skills & Experience

1. 1-5 years of proven experience in Full Stack Web Development using the MERN stack.

2. Proficiency in React.js, Node.js, Express.js, MongoDB, and JavaScript (ES6+).

3. Strong understanding of HTML5, CSS3, Bootstrap, and Tailwind CSS.

4. Hands-on experience with API design, state management (Redux, Context API), and authentication (JWT/OAuth).

5. Familiarity with version control tools (Git, Bitbucket).

6. Good understanding of database design, schema modeling, and RESTful architecture.

7. Strong problem-solving skills and ability to work in a collaborative team environment.

Perks & Benefits

• Onsite opportunity in our modern Greater Noida office.
• Competitive salary based on skills and experience.
• Exposure to real-world projects and latest tech stacks.
• Work with a creative and talented team.
• Career growth opportunities in full-stack and cross-platform development.

Benefits:

• Health insurance
• Leave encashment
• Paid sick time
• Paid time off
• Work from home

Application Question(s):

1. How many years of _____ experience do you have?
2. What is your current CTC?
3. What is your expected CTC?

Roles and Responsibilities 

1) Understand client requirements and functionalities. 

2) Write well-designed, testable, efficient code. 

3) Responsible for solving complex technical issues. 

4) Ensure quality projects are delivered within defined timelines. 

5) Active involvement in client communication to understand functional requirements. 

6) Maintain high standards of quality for code, documentation and other deliverables. 

Required Skills 

1) Good experience in Angular/React

2) Hand on Node.JS./Express JS 

3) Database : MYSQL/MongoDB 

4) Experience in Java Script, Typescript. 

5)Good experience in HTML5, CSS3, JavaScript, Jquery 

6) Experience working in an Agile environment. 

7) Good communication skills.

Job Requirements

• Experience in ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms, JSX, and Babel.
• Experience with browser-based debugging and performance testing software.
• Good understanding of HTML, CSS, ES6.
• Knowledge of Unit testing frameworks..

Job Responsibilities

• Design, build and maintain software applications.
• Write well-designed, testable, efficient code by using best software development practices.

• Work with development teams and product managers to create software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications.
• Develop and manage well-functioning databases and applications.
• Write effective 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.
• Write technical documentation.
• Work with data scientists and analysts to improve the software.

Qualifications:

Degree in Computer Science, Software Engineering or relevant field.
Experience with Java, Spring, and Restful API's.
Experience with Database development (MySQL, Postgres, etc).

Proven experience as a Full Stack Developer or similar role. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery).
Knowledge of multiple back-end languages (e.g. Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js).
Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design.
Experience with AWS or other cloud environments

As a Software Engineer, you will build and scale Clockwork, creating an engaging experience for our users. As one of the first few engineers, you will work on 0 to 1 type projects, partnering closely with our product, design and business teams to build the future of Clockwork.

• Write, test and deploy code to enhance our product
• Design software systems for new features
• Diagnose bugs and system bottlenecks as our product scales
• Work closely with product and design to define our roadmap

• 3+ years of professional experience as a software engineer
• Bachelor’s and/or Master’s degree, preferably in CS, or equivalent experience
• Solid engineering, coding and problem solving skills
• Strong product/business sense
• Excited about working in a fast-paced, dynamic startup environment

Clockwork encourages applications from people of all races, religions, national origins, genders, sexual orientations, gender identities, gender expressions and ages, as well as veterans and individuals with disabilities.

• Design the architecture and their solutions
• Define user stories and implement them using agile methodology
• Engage and manage a team of software engineers; including task planning and code reviews
• Have technical ownership of the product

Must have:

• Fullstack experience (React, Node JS, VU, Python)
• Expert in web technology (SaaS)
• Know-how of cloud technology
• Broad experience with multi-platform development tools and toolkits
• Experience in release engineering and configuration management
• Comfort with both client-side and server-side development
• Passion for agile
• Knowledge of CICD pipeline

Bonus if you:

• Have experience working in the healthcare industry
• Are enthusiastic about all things brain science and/or mental well-being
• We are a company that highly values the ability to communicate well. We all take turns at the blog roster, so writing experience and/or enthusiasm is appreciated
• Our core values encourage empathy and innovation, you are gold if you share these