Fullstack Engineer at WELOIN TECHNOLOGIES · Kolkata · 2 - 6 years · ₹3.6L - ₹10L / yr · Profitable · Posted 21 May 2022
Desirable: Capable of designing any responsive UI; Rational problem-solving approach
Skills Required
- MERN Stack
- Laravel + Vue.js
Requirements
- Realtime application using Pusher/similar services
- Must be familiar with using mostly used design patterns
- Good knowledge of inheritance, use of a single source of truth
- Familiarity with databases MySQL, Redis, MongoDB web servers like Apache and Nginx
- Must have experience of GitHub or GitLab
- Ability to write testable codes and knowledge of CI/CD is a plus
- Excellent problem solving and debugging Skills
- Excellent communication and teamwork skills
- Working Knowledge with Cloud will be an added advantage
- Quick learner
- Great attention to detail
- Organizational skills
- Should be cooperative with colleagues as well as keen to learn new things.
Responsibilities:
- Work with development teams and product managers to implement software solutions
- Design client-server 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
- Must have efficient troubleshooting, debug skills
- Create security and data protection settings
- Build features and applications with a mobile responsive design
- Should have the ability to train and mentor fellow associates and trainees

About WELOIN TECHNOLOGIES
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About the Role
We are looking for a passionate AI/ML Software Engineer to join our product team and help build intelligent, scalable, and production-ready machine learning solutions. You will work closely with product managers, designers, and backend engineers to integrate AI capabilities into core product features and drive data-driven innovation.
Key Responsibilities
- Design, develop, and deploy machine learning models into production environments
- Build and maintain scalable ML pipelines for data processing, training, and inference
- Collaborate with cross-functional teams to identify AI-driven product opportunities
- Translate business requirements into ML solutions and technical implementations
- Optimize model performance, accuracy, and latency for real-time applications
- Integrate AI/ML models with APIs and backend systems
- Monitor model performance and implement continuous improvement strategies
- Ensure best practices in data handling, model versioning, and reproducibility
- Stay updated with the latest advancements in AI/ML and apply them to product innovation
Required Skills & Qualifications
- Bachelor’s engineering degree in Computer Science, AI, Data Science, or related field
- Strong programming skills in Python (experience with Java/Go is a plus)
- Hands-on experience with ML frameworks such as TensorFlow, PyTorch, or Scikit-learn
- Solid understanding of machine learning algorithms and statistical concepts
- Experience in building and deploying ML models in production
- Familiarity with REST APIs, microservices architecture, and cloud platforms (AWS/GCP/Azure)
- Experience with data processing tools (Pandas, NumPy, Spark, etc.)
- Knowledge of version control systems like Git
Role Overview
As a Software Engineer, you will build and maintain features across our SaaS platform. You will work on well-scoped tasks and features, collaborate closely with senior engineers, and grow your skills in software design, cloud-native development, and modern engineering practices. This role is a great fit for engineers who have solid programming fundamentals, are curious and quick to learn, and take pride in writing quality code. You will be supported and mentored while taking on increasing ownership over time.
Required Qualifications
Bachelor’s or Master’s degree in Computer Science or a related discipline.·
5–8 years of software engineering experience building production-grade applications.
Strong experience building and operating cloud-native SaaS or web applications.
Solid understanding of software design, distributed systems, and modern engineering practices.
Proven ability to own and deliver complex features independently.
Experience debugging and resolving performance, scalability, and reliability issues.
What We Look For
Strong programming fundamentals and a quality mindset.
Curiosity and a strong desire to learn and grow.
Ability to deliver well-scoped tasks reliably.
Good problem-solving and debugging skills.
Collaboration and communication skills.
Ownership and accountability for the work you do.
Passion for building software and continuous learning.
Profile: MERN Stack Developer
📍 Location: Andheri East, Mumbai
🏤 Work Mode: 5 Days WFO
⏰ Experience: 2+ Years
(Only immediate joiners & candidates who have completed notice period)
What We're Looking For:
✅ 2+ years of MERN stack development experience
✅ MongoDB - database design and complex queries
✅ Express.js - server-side application development
✅ React.js - component-based UI development
✅ Node.js - backend JavaScript runtime
✅ Kafka - event streaming and messaging
✅ Docker - containerization and deployment
✅ Redis - caching and session management
✅ RESTful API design and integration
We are looking for a MEAN Stack developer to join our Technology team. As a full-stack developer, you will work closely with our Technical Architectural members to develop microservices that focus on the educational needs of Parents and Students globally. If you have excellent programming skills and a passion for developing applications from scratch, we would like to meet you. Working at Early Steps Academy is one of the best opportunities to get first-hand experience in an early-stage startup, explore different domains, and achieve your career goals.
Qualifications:
- A minimum of 3 years of relevant experience.
- Strong programming skills in Javascript/Typescript with Object-oriented design.
- Hands-on expertise in building reusable components and independently publishable packages.
- Strong experience in HTML, Angular(2+)/React, ExpressJS, MongoDB, NodeJS, and CSS frameworks.
- Practitioner of IaC (AWS), CI/CD, and Containerization(Docker).
- Accessibility, Server Side Rendering, Pre-rendering, Serverless, and Agile.
- Ability to adapt quickly to a new direction.
About the Role
We are looking for a highly skilled and experienced Junior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.
If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.Responsibilities
- Lead the end-to-end development of a cross-platform mobile application using React Native.
- Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
- Build reusable components and front-end libraries for future use.
- Optimize app performance for speed and scalability across devices and OS versions.
- Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
- Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
- Integrate RESTful APIs and third-party services.
- Handle app store submissions and updates.
- Mentor junior developers and enforce best practices in mobile development.
Requirements
Must-Have:
- 1+ years of experience in mobile application development.
- 1+ years of hands-on experience with React Native.
- Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
- Deep knowledge of iOS and Android mobile app development lifecycle.
- Experience with mobile UI/UX best practices and performance optimization.
- Familiarity with native build tools (Xcode, Android Studio).
- Experience integrating REST APIs and handling network latency issues.
- Proficient with Git, GitHub/GitLab, and agile development practices.
- Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.
Preferred:
- Experience with Expo or EAS for managed workflows.
- Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
- Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
- Knowledge of automated testing frameworks (Jest, Detox).
- Published apps in both the App Store and Google Play.
- Prior experience in startups or high-growth environments.
What We Offer
- Opportunity to lead and build a product from the ground up.
- Work with a dynamic and talented team in a fast-paced environment.
- Flexible working hours and remote-first culture.
- Competitive salary and equity options (if applicable).
- Learning and development budget.
Your Responsibilities:
- Responsible for overall tech stack of the product
- Designing overall architecture of the web/ mobile application
- Maintain quality and ensure responsiveness of applications
- Exposure to security and data protection management
- Building modular, reusable codes and libraries
- Ability to build product from scratch & drive it to completion
- Optimize applications for best user experience
- Development experience for both mobile and web based products.
- Unit Testing of developed modules
Skills:
Front-End
- Web fundamentals like HTML, JavaScript, and CSS
- CSS preprocessors like Sass, LESS, bootstrap
- JavaScript frameworks like React js, AngularJS, or Ember etc.
- Libraries like jQuery or Backbone.js
- Front-end (CSS) frameworks like Foundation or Bootstrap
- Web sockets
Back-End
- Rest API design and development
- CRUD (Create, Read, Update, Delete)
- RESTful Services
- Web fundamentals like React js, HTML, JavaScript, and CSS
- Server-side languages like Javascript, PHP, Python
- Database technologies like MySQL and MongoDB.
- Web server technologies like Node.js, Nginx, ISS, etc.
What are we looking for:
● Good problem solving skills.
● Strong knowledge of CS fundamentals, data structures.
● Experience working in software development with one or more of the following programming languages: Java, Go, Scala, Python, C/C++.
● Strong understanding of relational and non-relational databases (MySql, Postgresql, MongoDB, Cassandra).
● Experience in working with distributed caching (Memcached, Redis, or comparable technology).
Experience in working with distributed messaging technologies like RabbitMQ, Kafka etc.
● Ability to design and implement low latency RESTful services.
● Experience with microservices and web application/services development.
Full Stack Developer Responsibilities:
- Developing front end website architecture.
- Designing user interactions on web pages.
- Developing back-end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
Requirements
- Degree in computer science.
- Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
- Strong organizational and project management skills.
- Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
- Familiarity with JavaScript frameworks
- Familiarity with database technology such as MySQL, Oracle, and MongoDB.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to detail.
- Developing front-end website architecture.
- Designing user interactions on web pages.
- Developing back-end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
Full Stack Developer Requirements :
- Degree in computer science.
- Strong organizational and project management skills.
- Proficiency in fundamental front-end languages such as HTML, CSS, and JavaScript.
- Familiarity with JavaScript frameworks such as Angular JS, Reactjs, Nodejs, and Amber.
- Proficiency with server-side languages such as Python, Ruby, Java, PHP, and .Net.
- Familiarity with database technology such as MySQL, Oracle, and MongoDB.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to detail
- Looking for an Immediate joiner
Qualifications & Skills
• Bachelor or Master Degree in Computer Science, Software Engineering from a reputed
University
• 5 to 8 years of experience working in Python in ERP domain, specifically at-least 4-6 years of experience working in Odoo and APIs
• React and/or Angular for front end, XHTML, HTML 5, JavaScript, CSS, Ajax,jQuery
• Proficiency in MySql
• Technical Skills: JIRA, Gitlab, Rest API, GCP or AWS
2
• Integration experience with REST API, Payment gateway, shipping company and VAT,
database concepts, Experience of web services
• Experience in performance profiling, tuning, and optimization, caching mechanisms with
Enterprise level applicants
• Analytical, debugging, and troubleshooting skill with proven experience troubleshooting
and fixing production bugs
• Experience in writing unit testing and test case automation.
• Ability to operate in Agile environment with a start-up mentality and unstructured
environment, Energy, drive and passion to work, and operate in a digital world.










