Senior Full Stack Developer

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).

We are looking for a talented MERN Developer with expertise in MongoDB/MySQL, Kubernetes, Python, ETL, Hadoop, and Spark. The ideal candidate will design, develop, and optimize scalable applications while ensuring efficient source code management and implementing Non-Functional Requirements (NFRs).

Key Responsibilities:

• Develop and maintain robust applications using MERN Stack (MongoDB, Express.js, React.js, Node.js).
• Design efficient database architectures (MongoDB/MySQL) for scalable data handling.
• Implement and manage Kubernetes-based deployment strategies for containerized applications.
• Ensure compliance with Non-Functional Requirements (NFRs), including source code management, development tools, and security best practices.
• Develop and integrate Python-based functionalities for data processing and automation.
• Work with ETL pipelines for smooth data transformations.
• Leverage Hadoop and Spark for processing and optimizing large-scale data operations.
• Collaborate with solution architects, DevOps teams, and data engineers to enhance system performance.
• Conduct code reviews, troubleshooting, and performance optimization to ensure seamless application functionality.

Required Skills & Qualifications:

• Proficiency in MERN Stack (MongoDB, Express.js, React.js, Node.js).
• Strong understanding of database technologies (MongoDB/MySQL).
• Experience working with Kubernetes for container orchestration.
• Hands-on knowledge of Non-Functional Requirements (NFRs) in application development.
• Expertise in Python, ETL pipelines, and big data technologies (Hadoop, Spark).
• Strong problem-solving and debugging skills.
• Knowledge of microservices architecture and cloud computing frameworks.

Preferred Qualifications:

• Certifications in cloud computing, Kubernetes, or database management.
• Experience in DevOps, CI/CD automation, and infrastructure management.
• Understanding of security best practices in application development.

Main duties/responsibilities

• Design & implement good quality software and databases as per the software specification.
• Participate in effort estimations.
• Participate in design discussions and own module designs.
• Effective troubleshooting of technical issues and bugs.
• Package deployment and release management.
• Provides technical support to customers.
• Provides training and guidance to the new developers and junior team members.
• Participate in Requirement discussions.
• Participate in Project related meetings if required.

Technical Knowledge

• Hands on experience in Angular ,HTML5, CSS3, JavaScript.
• Hands on experience in Node.js.
• Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
• RDBMS and Document Database.
• Hand on experience in AWS services, DevOps, GIT, Agile and Jira will be an added advantage.

Experience

• 2-5 years of experience in the relevant field.

Locations : Bangalore

Job Responsibilities

• Design and develop highly scalable, reliable and fault tolerant systems
• Understand the customer needs, design & implement
• Envision project goals, product architectural solutions with a high focus on detail to ensure successful implementation.
• Articulate complex problems communicating viable architecture and design approaches clearly and concisely.
• Enhance the agile SDLC within the Development Team through new learning, continued growth, and applying industry best practices and processes
• Keep optimizing & automating mundane tasks
• Problem solving in accounting modules.

Qualifications

• Minimum 2 years of software development experience in backend
• Hands on experience with PHP using CodeIgniter and Javascript (Angular/ React)
• Database technologies - SQL and/or NoSql
• Experience in developing REST APIs
• Knowledge of VCS using SVN/ GIT and Payment Gateways
• Expertise in design principles and their application
• Strong computer science fundamentals in data structures and algorithms
• Fast Learner & a Team Player

Responsibilities

• Strong knowledge of MERN stack (MongoDB, Express JS, React JS, Node JS, HTML5, CSS3, jQuery, Bootstrap, SASS)
• Develop user interfaces for modern rich internet applications with the latest front-end technologies
• Developing features to enhance the user experience.
• Should have excellent in-depth knowledge on Nodejs and MongoDB
• Hands-on experience working with Object-Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Building reusable code for future use
• Writing tested code and its documention

• 1+ years of experience in front end development and backend development is must
• Thorough knowledge of HTML5, CSS3 (LESS/SASS),React, Nodejs and Mongodb
• Solid understanding of JavaScript and the ability to pick up any framework quickly
• Strong Experience in back-end frameworks used to develop dynamic web pages (REST, GraphQL, WebSocket/socket.io)
• Expertise in developing and testing across multiple browsers, platforms, DOM implementations, etc.
• Strong experience in React, React Hooks, Redux, Thunk | Saga, ES6, Typescript, ESLint, Nodejs, GraphQL, Redis, AWS, Git, Github, Docker

Bonus but not mandatory

• UI/UX designs
• AWS
• Git
• CI/CD

PHP Developer SKILLS & Responsibilities:

Extensive experience in PHP and Laravel.
Database Management tools such as MySQL.
The candidate has worked on the web application or REST API for apps, Laravel, Node Js.Has experience or can work in a team as well as a single person.
Experience building or maintaining a CMS.

Our MEAN stack team is passionate about technology, and we love building scalable web solutions keeping performance in mind.We're looking for a full stack developer that has experience developing a variety of Web Apps using the MEAN stack. You should be able to comfortably move between the client and server-side code written with JavaScript/TypeScript.

Role + Responsibilities:   

• Work with the team to design, develop and support scalable applications         
• Implementing elegant, intuitive user experience using the latest front-end technologies.         
• Developing API's and designing the data architecture using web frameworks like Express.         
• Write, test, and release production-ready code.         
• Work with our DevOps team to ensure continuous deployments of our applications

Person Specification and Qualifications:

• Experience developing highly scalable services and APIs         
• Knowledge of data modelling and database performance using NoSQL/SQL         
• Strong experience with JS frameworks like Express(any other backend framework), Angular.         
• Familiarity developing SaaS applications in AWS/Azure         
• In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications

Plus points if you're familiar with the following:

• Experience with deployment and CI/CD is a plus!       
• TypeScript implementation with Frontend or Backend applications         
• Knowledge of GraphQL and it's libraries like Apollo, Prisma         
• Have worked with Jest, Enzyme like testing libraries         
• Knowledge of document, key/value or other non-relational database systems such as Elastic Search, Redis, HBase,