Senior Full Stack Engineer (MERN/ Python)

Codewinglet Private Limited; Surat; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

5-day work week

Flexible working hours

Job summary

Codewinglet Pvt Ltd invites a Senior Full Stack Engineer to own scalable web apps using MERN or Python stacks. You will lead frontend and backend development with React.js, Next.js, and API design, while collaborating with QA, product, and engineering teams in a WFO setting in Surat.

We expect 2–4 years of full stack experience, strong React/TypeScript skills, and hands-on with Docker, CI/CD, and cloud platforms.

Qualifications

• 2–4 years of hands-on Full Stack Web Development experience.
• Strong expertise in at least one stack: MERN or Python (Django / FastAPI / Flask) with React.js.
• Strong React.js skills: components, hooks, state management, reusable UI.
• Hands-on experience with TypeScript and Next.js.
• Good understanding of MongoDB and PostgreSQL, plus Redis.
• Experience developing and integrating RESTful APIs.
• Exposure to AI/LLM integrations or AI-powered applications.
• Working knowledge of Docker and CI/CD practices.
• Experience with at least one cloud platform: AWS, Azure, or GCP.
• Experience writing unit and integration tests.
• Experience in Agile/Scrum teams and code reviews.

Responsibilities

• Design, develop, and maintain scalable web applications using MERN or Python stacks with React.js.
• Own features end-to-end from requirement through delivery and testing.
• Build responsive UIs with React.js/Next.js and TypeScript.
• Develop secure backend services and RESTful APIs.
• Design data models across MongoDB, PostgreSQL, and Redis.
• Integrate frontend with backend services and third-party APIs, including AI capabilities.
• Containerize apps with Docker and maintain CI/CD on cloud platforms.
• Write unit/integration tests and fix bugs and performance bottlenecks.
• Mentor juniors and participate in code reviews and design decisions.
• Collaborate in Agile/Scrum with QA, product, and engineering teams.

Skills

React.js

TypeScript

Next.js

RESTful APIs

Agile/Scrum

Code reviews

Mentoring

Debugging

Strong communication

Independent ownership

Tools

Docker

CI/CD

Git

AWS

Azure

GCP

Job description

Job Title:

Senior Full Stack Engineer (MERN/ Python)

Company:

Codewinglet Pvt Ltd

Location:

Surat, Gujarat (Must be based in Surat or willing to relocate)

Work Mode:

Work from Office (WFO)

Experience:

2-4 Years

Employment Type:

Full-time

About Codewinglet

Codewinglet Pvt. Ltd. is an AI-first engineering company building modern software products and solutions across AI, web, backend, and cloud technologies.

We are looking for a Senior Full Stack Engineer from either a MERN or Python background who can own the building, improvement, and maintenance of scalable web applications across the Frontend, Backend, API, and Database layers.

This role suits someone who enjoys solving complex technical problems, can own features independently from development to delivery, and wants to work closely with developers, QA, product, and engineering teams.

Key Responsibilities

• Design, develop, and maintain scalable web applications using the MERN stack or Python-based stacks (Django / FastAPI / Flask with React.js).
• Own features and modules end-to-end, from requirement understanding and implementation to testing, deployment, and maintenance.
• Build responsive, reusable, high-performance UIs using React.js / Next.js with TypeScript.
• Develop secure, scalable backend services and RESTful APIs using Node.js/Express.js or Python frameworks.
• Design and optimize data models, queries, and indexes across MongoDB, PostgreSQL, and Redis.
• Integrate frontend applications with backend services, third-party APIs, and AI/LLM capabilities.
• Containerize applications with Docker and maintain CI/CD pipelines on cloud platforms.
• Write unit and integration tests to keep code reliable.
• Debug and resolve bugs, performance bottlenecks, and production issues.
• Conduct code reviews and give constructive technical feedback.
• Work in Agile/Scrum with QA, Project Managers, and other engineering teams to plan and deliver features.
• Contribute to technical discussions and implementation and design decisions.
• Guide junior developers through code reviews and knowledge sharing.
• Keep up with relevant technologies and help improve development practices.

Must-Have Skills And Qualifications

• 2–4 years of hands-on Full Stack Web Development experience.
• Strong expertise in at least one stack:
• MERN: MongoDB, Express.js, React.js, Node.js, OR
• Python: Django / FastAPI / Flask with React.js
• Strong React.js skills: components, hooks, state management, reusable UI development.
• Hands-on experience with TypeScript and Next.js (or another modern React framework).
• Good understanding of MongoDB and PostgreSQL, plus working experience with Redis.
• Experience developing and integrating RESTful APIs.
• Exposure to AI/LLM integrations or AI-powered applications.
• Working knowledge of Docker and CI/CD practices.
• Experience with at least one cloud platform: AWS, Azure, or GCP.
• Experience writing unit and integration tests.
• Experience working in Agile/Scrum teams.
• Experience conducting code reviews and mentoring junior developers.
• Good understanding of Git and collaborative development workflows.
• Strong debugging, problem-solving, and analytical skills.
• Ability to own tasks independently and deliver on time.
• Strong communication skills and ability to work with technical and cross-functional teams.

Good to Have

• Experience building MVPs, POCs, or demos to support product launches or client pitches.
• Experience implementing product analytics or event tracking (GA4, Mixpanel, PostHog) to measure feature adoption.
• Experience building go-to-market features such as user onboarding flows or payment/subscription integrations (Stripe, Razorpay).

What You'll Gain?

• End-to-end ownership of features across Frontend, Backend, API, and Database.
• Work on modern products and real-world engineering challenges.
• Exposure to AI, GenAI, and AI-powered applications in an AI-first environment.
• A voice in technical decisions, architecture discussions, and development practices.
• Close collaboration with developers, QA, product, and technical leadership.
• Opportunities to mentor engineers while growing your own expertise.

Why Join Codewinglet?

• Modern products and technologies in an AI-first engineering environment.
• Real-time AI projects, including AI Agents and GenAI systems.
• High-growth, fast-paced learning environment.
• Exposure to the latest technologies and live projects.
• Supportive and transparent leadership.
• Clear career growth and performance-based appraisals.
• Competitive, industry-aligned salary.
• Stable team culture with regular engagement activities.
• Flexible working hours and 5-day work week.
• On-time salary disbursement.