Senior Full Stack Developer

MERN Stack Developer

Location: Surat, Gujarat (No WFH )

Job Summary:

We are looking for a Full Stack Developer (MERN) with hands-on experience in building highly scalable, performance-driven applications. The ideal candidate should have a deep understanding of both front-end and back-end development, microservices, and database optimization for large-scale systems. You will be responsible for designing, developing, and maintaining applications that can handle high concurrency (1,000+ active users) while ensuring performance, reliability, and scalability.

This role involves working closely with cross-functional teams — including product managers, designers, and DevOps engineers — to deliver cutting-edge, enterprise-grade solutions.

Roles & Responsibilities:

• Design and develop scalable and distributed web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).
• Build and optimize RESTful APIs for high-performance, concurrent environments.
• Architect and manage MongoDB databases, ensuring high availability, efficient query performance, and scalability.
• Implement queueing systems (e.g., BullMQ, RabbitMQ, Kafka, or Redis Queues) for background jobs and asynchronous processing.
• Optimize server and client performance to support real-time data updates and high concurrent user loads.
• Collaborate with DevOps to improve deployment pipelines, containerization (Docker), and cloud scalability.
• Conduct thorough testing, profiling, and debugging to identify performance bottlenecks and optimize both code and infrastructure.
• Participate in code reviews, architecture discussions, and sprint planning to ensure technical excellence and scalability across all layers.

Qualification / Requirements:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 1 + years of hands-on experience in full-stack development using the MERN stack.
• Proven experience working on applications supporting 1,000+ concurrent users or large-scale distributed systems.
• Strong expertise in:
• Node.js (asynchronous programming, clustering, performance optimization)
• Next.js & React.js (SSR, CSR, and dynamic rendering)
• MongoDB (aggregation pipelines, indexing, schema design for scalability)
• Practical experience with message queues (BullMQ, RabbitMQ, Kafka, or Redis Streams).
• Familiarity with caching mechanisms (Redis, Memcached) to optimize performance.
• Experience with Docker and microservices-based architectures is a plus.
• Good understanding of API design, authentication mechanisms (JWT, OAuth), and security best practices.
• Experience working in Agile environments and using Git-based version control.

Nice to Have:

• Exposure to serverless computing (AWS Lambda).
• Experience with monitoring tools (New Relic, Datadog, ELK Stack).
• Knowledge of CI/CD pipelines and automated deployment workflows.
• Experience in real-time communication (WebSockets, Socket.io).

At Wendor, we’re transforming the vending industry in India with our in-house designed, tech-enabled smart vending machines — already live in 70+ cities and expanding rapidly. We’re a focused, fast-growing team where everyone takes ownership and moves with purpose.

We are looking for a Senior Software Engineer to take end-to-end ownership of the software powering Wendor’s smart vending machines. In this role, you will architect and develop robust full-stack applications, integrate low-level systems on Linux, and lead a team of engineers to build scalable, real-time software solutions.

Your work will directly impact how users interact with our machines across 70+ cities. This is a hands-on role where you’ll collaborate with cross-functional teams, solve complex technical challenges, and contribute to innovations that push the boundaries of smart retail automation.

Key Responsibility:

● Develop and maintain full-stack applications (using technologies Node.js, React) to support Wendor's smart vending ecosystem, ensuring seamless frontend and backend functionality.

● Work on low-level integrations with vending hardware, optimizing performance and stability on Linux-based systems.

● Build and manage scalable backend services and RESTful APIs to handle real-time data, payments, and machine operations.

● Lead and mentor a team of 3–4 software engineers, conducting code reviews, guiding technical decisions, and ensuring timely deliveries.

● Write efficient SQL queries and manage data flow between services and databases to ensure reliability and responsiveness of the platform. ● Ideate, prototype, and implement new features, tools, or automations to improve product performance and internal processes.

● Collaborate with cross-functional teams including hardware, product, design, and operations to deliver integrated solutions.

● Ensure system reliability, performance, and uptime for software running on live vending machines across India.

● Maintain code quality through unit tests, integration tests, and E2E testing practices, following modern software engineering standards.

● Stay updated with emerging tech trends to help Wendor innovate faster and smarter.

Requirements:

● Proven experience as a Senior Software Engineer or similar role.

● Strong customer-centric mindset with a commitment to product excellence.

● Expertise in full-stack development (frontend + backend technologies).

● Ability to write clean, maintainable, and well-documented code.

● Passion for innovation, scalability, and problem-solving.

● Location- Gurugram(On-site).

Job description

• Hands-on experience in C#, http://asp.net/">ASP.NET, MVC, Web API, SQL Server.
• Experience in latest .Net framework versions (4/4.5/.Net Core 2.0 Frameworks), SQL Server 2008/2012.
• Experience in OOPS, HTML5, Bootstrap,CSS, AJAX/ JavaScript/ JQuery/ AngularJS and Angular 2.0 and web development.
• Excellent communication, analytical and interpersonal skills.
• .NET Full Stack (C#, MVC / .Net Core, WEB API, JSON, REST, JavaScript, Ajax)
• Good knowledge on Angular development, Angular JS
• knowledge in Azure cloud solutions.
• Developing and Hosting REST API Swagger and integration with angular.

Required Candidate profile Qualifications

• 5 – 8 years and above of professional software development experience.
• Improving system quality by identifying issues and common patterns and developing standard operating procedures.
• Enhancing applications by identifying opportunities for improvement, making recommendation and designing and implementing systems.

We are looking for skilled Full stack Developer to join our team. The successful candidate will be responsible for developing, maintaining, and scaling our server-side application logic using Python and related frameworks. As a full-stack developer, you will work closely with front-end developers, data scientists, and project managers to develop scalable and reliable software solutions.

Responsibilities:

Developing and maintaining server-side application logic using Python and related frameworks

Designing and implementing APIs and web services using RESTful principles

Collaborating with front-end developers to integrate user-facing elements with server-side logic

Designing and implementing efficient database schemas and queries

Developing and maintaining automated testing and deployment pipelines

Ensuring high performance and scalability of software applications

Having knowledge of Node.js will be added advantage

Troubleshooting and debugging software issues

Staying up-to-date with emerging trends and technologies in backend development

Requirements:

Strong experience with Python and related frameworks such as Flask, Django, or Pyramid

Proficient understanding of SQL and NoSQL databases

Experience with AWS or other cloud platforms

Familiarity with version control systems such as Git

Excellent problem-solving and debugging skills

Strong communication and collaboration skills

Ability to work in a fast-paced, collaborative environment

If you are a passionate Backend Python Developer with a strong desire to work on complex, challenging problems, we encourage you to apply.

Roles/Responsibilities:

 Own a team of 15-20 Developers and QAs at various levels

 Provide continuous feedback, training and make sure team is working on their full

    potential at all time

 Review the architecture/design of a product/module/feature and provide feedback

 Architect, design and/or hands-on code the critical portion of a

   product/module/feature

 Mentor the tech-leads on architecting the product to deliver on-time

Jobs Skills required:

 Strong tech background of working in product company

 Understanding of various backend and frontend technologies and its core concepts

 Ability to understand the business problems and solve it with innovative tech

    solutions

 Very strong analytical and problem-solving skills in super changing environment

About Personal Nutrition
We are building PersonalNutriton.com to improve the quality of life for people. We help people reach peak wellness by improving their diet and food habits. We offer a personalized diet plan for each individual based on their body and environment.

Why should you join?
Today, lifestyle diseases are the biggest health issue across the world. People want to ensure their families including the elderly, children, and themselves are in the best of health. There is very little help available to decide what foods are best for them and how to actively manage health through nutrition.

If you are passionate about helping people in their pursuit to lead a healthy lifestyle. This is the place for you. A place where we are figuring out how nutrition helps people improve their health. We want to build the best nutrition guide and make a difference in making the world a healthy place.

Skills required
- 1 - 3 years of relevant experience in Backend Engineering/Frontend Engineering
- You are an expert in Python, angularJS/reactJS
- Have a strong technical aptitude
- Working knowledge of the general technology landscape, architectures, trends, and emerging technologies
- Passion for engineering and building great products
- Great team player who builds trust within the team and never says no to having fun

Responsibilities
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design
- 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 software

We are looking for a full stack Java Developer with an experience of 1+ years. The individual should have good technical knowledge of Core Java, Sql, Spring, Spring Batch, Spring Boot, Apache Spark. Exposure to sql databases like Oracle, Mysql, Microsoft Sql is a must. Any experience / knowledge / certification on Cloud technology preferrably Microsoft Azure is good to have. Exposures to non sql databases like Neo4j or Document database is again good to have.

The individual should have good knowledge of design patterns and also be able to implement them in desired conditions. Finally the individual should be smart and look to provide solutions for problems.

About us

404 DM is a fast-growing data-driven creative solutions provider, with a portfolio of brands that include Myntra, Flipkart, and Wildcraft. Our team essentially stands for all things digital with an abundance of creativity. The focus lies in building - right from crafting compelling narratives that capture a brand's essence to the long-lasting relationships that are developed with each and every client, the agency believes that this is the driving force behind the work they do. 404 DM offers a wide variety of services in the digital sphere, including design, technology, media planning, and above all, creative strategizing that helps brands stand out amidst their contemporaries.

We are building this really cool product that will change the way brands do their marketing and acquire customers. We're looking for equally driven and highly skilled people to join us. We'd love to have a conversation with you and see if you and our team are the right fit for each other.

Roles and Responsibilities

• Defines site objectives by analyzing user requirements; envisioning system features and functionality.
• Designs and develops user interfaces to Internet/intranet applications by setting expectations and features priorities throughout the development life cycle; determining design methodologies and toolsets; completing programming using languages and software products; designing and conducting tests.
• Recommends system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.
• Integrates applications by designing database architecture and server scripting; studying and establishing connectivity with network systems, search engines, and information servers.
• Completes applications development by coordinating requirements, schedules, and activities; contributing to team meetings; troubleshooting development and production problems across multiple environments and operating platforms.
• Enhances organization reputation by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments.
• Supports and develops web application developers by providing advice, coaching.
• SADs (Senior application Developer ) maintain the job duties of a supervisor as well as a lower-level application developer These duties can include regular consultations with the Team concerning software, creating new programs, and testing newly installed programs to verify functionality.
• The managerial side of being a leader can include writing reports on team progress and presenting those reports to upper executive committees, per Coding standards. SADs also make executive-level standards decisions for their department, ensure company policies are being followed and counsel employees as needed

Desired Candidate Profile

• Bachelor's or Master's degree in information technology or computer sciences. Combining full - time academics degree with certification in computer languages and software programs could be an added advantage.
• At least 5 to 8 years of experience as a leader with hands-on experience in programming languages such as Javascript, HTML, C++, PHP, Angular, Ajax, Rest Api, Node.Js, JQuery, MySQL, API Oath Integration, Shopify, Open Source app development, Social media Developer tool.

•  JAVA/J2EE (Mandatory)
• HTML/CSS – Basics would suffice
• JavaScript, JQuery, JQWidgets – Must be proficient and core skill requirement

•  .NET Framework (v4.5 and above) + C# (v5 and above) programming language: Core skill set and mandatory
• Windows WCF (SOAP) /Web-API (REST using JSON): Must be proficient
• Windows Server knowledge – IIS + Windows services: Basics from deployment perspective
• MS SQL server: Must be proficient with queries and database objects

• Minimum 3 years as a technical lead
• Experience in Business, Data, Technical Architecture and leveraging tools
• Ability to triage complex problems into smaller units that are amenable to being solved.
• Inquisitive and analytical mind
• Proven ability to manage non-direct reports to achieve results and to work in a multi-cultural multi-functional environment where consensus is critical for success
• Customer and end-user focused and have excellent oral and written communications skills