
Hashtag Labs is looking for MERN stack developer who is an expert in MongoDB, Express, React and Node. He/she should be proficient in JavaScript and use HTML, CSS and JavaScript to handle front-end operations and JavaScript with Node.js to handle back-end operations.
Roles and Responsibilities:-
- Ability to translate Wireframes into functional web apps.
- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- MERN stack developer must have proven experience in front & back-end development
- Work in a cross-functional team to deliver a complete user experience
- React.JS NodeJS developer must know MongoDB, Express, Node.js, & React.
- Create Unit and Integration tests to ensure the quality of code
- Be responsive to change requests and feature requests
- Write code that is cross-platform and cross-device compatible
- MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
- For MERN stack developer job, candidate must have good Knowledge of Node Debugging
- Understanding & proficiency in REST APIs.
- MERN stack developers should know Git Repository and Jira.
- Integration of data storage solutions [RDBMS, NoSQL DB]
Experience: 2+ years
Job Location: Lucknow, Uttar Pradesh

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Job Title : Senior MERN Stack Developer with Blockchain Expertise
Location : Indore, MP
Experience : 2-5 years
Job Type : Full-time, On-site
We're seeking a seasoned Senior MERN Stack Developer with a strong focus on blockchain technology to join our innovative team in Indore. As a Senior MERN Stack Developer, you'll play a pivotal role in crafting and implementing cutting-edge blockchain solutions using the MERN stack. Your expertise will contribute to the development of secure, scalable, and decentralized applications. If you're passionate about blockchain technology, possess extensive MERN stack experience, and thrive in a collaborative environment, we encourage you to apply and be a key player in our transformative projects.
Requirements :
- Proven experience as a Full Stack Developer with a specialization in blockchain technology.
- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).
- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.
- Solid understanding of smart contract development and implementation.
- Knowledge of decentralized application (dApp) development.
- Familiarity with cryptography and principles of blockchain security.
- Strong problem-solving and analytical skills.
- Excellent collaboration and communication skills.
Skills :
- MongoDB, Express, Node.js, React.js
- Next.js (knowledge preferred but not mandatory)
- WordPress/Shopify experience (preferred)
- Real-time communication using Socket.IO or WebRTC (preferred)
- GraphQL API development
- Experience with integrating payment gateways
If you're ready to take on exciting challenges and contribute to groundbreaking projects, apply now and join us in shaping the future of blockchain technology.
Full Stack Engineer
About ZenTrades:
ZenTrades is a rapidly growing product startup that has established a strong foundation in the realm of SaaS (Software as a Service) business solutions, particularly in the Field Service Management software domain. Our vision is to revolutionize the trade services industry by seamlessly integrating technology, streamlining operations, enhancing customer experiences, and driving growth.
Position Overview :
We are actively seeking a seasoned Full Stack Developer proficient in React and Node to contribute to our cutting-edge projects. As a key member of our development team, you will be instrumental in shaping the user experience and functionality of our web applications. If you are a creative thinker with a strong technical foundation and a passion for crafting exceptional user interfaces, we want to hear from you.
Key Responsibilities:
Architect and Develop: Lead the design and development of robust and scalable user interfaces using React frameworks, ensuring the seamless integration of frontend components.
Code Excellence: Exhibit mastery in JavaScript and ES6+, producing code that is not only functional but also adheres to best practices, industry standards, and code quality benchmarks.
State-of-the-Art State Management: Implement advanced state management solutions using Redux or Mobx, optimizing application state for performance and maintainability.
API Integration: Demonstrate expertise in handling asynchronous operations by effectively working with RESTful APIs and manipulating data to enhance overall application responsiveness.
Responsive Design: Utilize a deep understanding of HTML5 and CSS3 to create visually stunning and responsive user interfaces that provide an exceptional user experience across devices.
Optimized Build Processes: Employ front-end build tools, including Webpack and Babel, to streamline development workflows and ensure efficient bundling, transpilation, and optimization of code.
Problem Solving: Exhibit excellent problem-solving skills, tackling complex technical challenges with a systematic and innovative approach.
Quality Commitment: Uphold a commitment to delivering high-quality code with meticulous attention to detail, ensuring the success of our projects through excellence in execution.
Qualifications:
- Proven track record as a Full Stack Developer
- Impeccable attention to detail and a relentless commitment to delivering high-quality code.
- Exceptional problem-solving abilities.
- Should know the microservice architecture and on a need basis should have the ability to automate certain workflows or tasks
- Mastery in any one of the languages - Javascript, Java, Golang, Python3 (preferably deep understanding of JavaScript).
- Should have hands-on experience in AngularJS or React.
- Should have a good understanding of relational and non-relational databases. Knowledge of MySQL and MongoDB is preferred
- Demonstrated experience with RESTful APIs and asynchronous request handling.
- Good knowledge of HTML5 and CSS3.
- Proficiency in front-end build tools, like Webpack/Babel.
- Proficiency with Backend servers
- DevOps experience with AWS and knowledge of ElasticSearch/Solr is a plus
- Descent knowledge of version control systems, especially Git.
- Familiarity with testing frameworks, such as Jest and Enzyme.
If you are a passionate and experienced Full Stack Developer looking to make a significant impact in a dynamic environment, we invite you to apply and be a driving force in our innovative projects.
Python experts for NSO work
- Strong coding Experience in programming language like Python (Minimum 5+ years of experience)
- Proven hands-on Software Development experience
- Proven working experience in Python development
- Hands on experience in designing and developing applications using Python platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Python Java and JEE internals
- Knowledge of Yang data modelling, Netconf (Must) and XML
- Knowledge on REST/ SOAP API's
- Basic knowledge of Networking i.e., MPLS, L3 VPN.
- Bachelor's degree in computer science or equivalent
- Very strong aptitude and reasoning
- Ability to break complex problems into parts and solve them
- Must be able to communicate thoughts clearly to the team
- Good understanding of various database i.e., Mongo DB, MYSQL.
- Good understanding of the DevOps tools Jenkins, GitHub for version controlling.
· Knowledge on NSO
OREN is a rapidly growing technology business in Sustainability Analytics and Reporting space. Our ambition is to help companies include sustainability into their core business strategies and culture.
We are looking for Fullstack Engineers (MERN) to help us in the next stage of our journey with experience in developing real-time server applications based on Node.js, Express.js, MongoDB databases. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You are expected to work with the best selection of tools, libraries, and cloud platforms to deliver a high-performance, scalable, flexible, reliable, and seamlessly integrated back-end solution to be used with a variety of mobile and web-browser-based clients.
Responsibilities :
-- Design and write lots of bug-free, efficient, scalable, and reusable code
-- Design & develop full-stack modules and components and promote coding best practices
-- Develop APIs and scripts using backend programming languages like Node.js
-- Design and implementation of low-latency, high-availability, and performant applications
-- Ability to work independently with minimum supervision
-- You will have ownership of developing and maintaining various backend services that support features in our application and website
-- Integrating solutions to enterprise software and legacy software
-- Manage project priorities, deadlines, and deliverables
-- Develop and manage well-functioning databases and applications
-- Ensuring responsiveness of applications
Requirements:
- 4+ years professional software engineering experience
- Bachelor's degree in Computer Science or a related field (or foreign equivalent)
- Proven experience in high-level programming languages like Node.js and Express.js with state management tools like Redux
- Good understanding of React, Next.JS, Bootstrap, and Material UI
- Thorough understanding of modeling and scaling databases like Firestore, and SQL
- Expertise in developing micro-services based REST APIs and exposure to API Gateway (GraphQL a plus)
- Should be well-versed with collaboration tools like Git and Swagger
- Significant experience in developing high performance, distributed, and scalable applications with container deployment (Docker and Kubernetes)
- Comfortable working within GCP, AWS, Azure, or equivalent ecosystem
-Bonus point: Experience working with ML and recommendation systems
- Knowledge on open-source technologies such as NoSQL, MongoDB, Data Formats (XML / JSON), JavaScript Frameworks ReactJS, JS, JQuery, CSS, HTML5, in memory databases, Build tools like webpack.
- Preference will be given to the Immediate joiner
- Should be a team player, have a positive outlook towards challenges, and contribute to the growth of the team and company
Interview process:
1st Round - Techincal Assessment: a) Online Quiz b) Take Home Assignment
2nd Round - Joint video call discussion with Co-Founder and CTO
Oren is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, age, religion, sex, sexual orientation, gender identity or expression, marital status, domestic partner status, national origin, genetics, disability, military and veteran status, and other protected characteristics.
What You'll Do
- As an early member of our engineering team, you will work directly with the CTO and Head of Product to spec, design, and build the core product functionality
- Help us build out a reliable team in India that knows our tech stack and is passionate about the work that we do.
- Motivate and lead a team of software developers to reach and exceed company goals.
- Solve problems you don't know how to solve: You'll encounter challenges we haven't yet come across yet. And when the time comes, you'll think through problems, evaluate approaches and teach yourself whatever is needed.
- Lay a solid foundation for the product to scale, keep our technical debt in check and help us hire a team of incredible engineers.
What We're Looking For
- 6+ years of experience as a software engineer
- 1+ years of experience leading projects or teams of engineers
- Hustle & Grit. Willingness and desire to take on personal responsibility for the business as a whole and “figure it out”, whether it’s in your exact functional lane or not.
- Excitement and passion for expanding financial access to healthcare.
- Experience with Java, a relational database, React (or a comparable front-end framework) and building full-stack web apps.
- A great understanding of how Restful services and Gradle works
- Ability to overlap with EST morning hours
- Our full tech stack includes: Docker, Spring, Gradle, Hibernate, ExpressJS, NextJS, Amazon Web Services, Java, N8N, Python
- Strong working knowledge of Typescript, MongoDB, MySQL, Express
- Strong proficiency in TypeScript, JavaScript including DOM manipulation and the JavaScript object model, ES6
- Hands-on experience in React JS
- Strong understanding of HTML5, CSS3
- Strong understanding of NodeJS fundamentals
- Knowledge and experience working with PostgreSQL is a major plus
- Experience with ORM libraries
- Familiarity with RESTful APIs
- Knowledge of tools like Git, GitHub, JIRA, Cucumber, Jasmine, and others that make coding more efficient and easier to share
- Familiarity of working in either the AWS Cloud or Azure including Docker + Kubernetes based microservice deployment.
The ideal candidate will be responsible for designing, developing, testing, and debugging mobile applications for the company. Using MERN, this candidate will be able to translate user and business needs into functional frontend design.
Responsibilities
● Integration of user-facing elements developed by front-end developers with server side logic
● Writing reusable, testable, and efficient code
● Design and implementation of low-latency, high-availability, and performant applications
● Implementation of security and data protection
● Integration of data storage solutions using Mongo DB Atlas.
● Designing, developing, and testing UI for mobile applications
● Build reusable code and libraries for future use
● Accurately translate user and business needs into functional frontend code
● CI/CD using fast lane is a plus.
● Worked on Splashscreen, Animation, AsyncStorage, Axios, Redux with thunk, standard code
structure with reusable components (must).
● Must have worked with React navigation.
● Worked on native features (Android/ios) (image and video capture using react-native-camera,
pick image and video file from gallery using any react native picker)(must)
● Good understanding of Javascript basic concepts.
● Working with Typescript is a plus.
● Good understanding of react native bridging and developing native modules (android & iOS) if
required.
● Good understanding of flexbox for UI design.
● Hands-on experience working with Redux.
● Must have an understanding of building reusable higher order components (HOCs).
● Must have experience using crashlytics for crash and error logging.
Skills And Qualifications
● Strong proficiency with JavaScript.
● Knowledge of Node.js and Express.
● Understanding the nature of asynchronous programming and its quirks and workarounds.
● Basic understanding of front-end technologies, such as HTML5, and CSS3
● Understanding accessibility and security compliance.
● User authentication and authorisation between multiple systems, servers, and environments.
● Integration of multiple data sources and databases into one system
● Understanding fundamental design principles behind a scalable application
● Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and
optimising output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Proficient understanding of code versioning tools, such as Git
● Working with other front end developers working on frameworks such as PHP and React Native.
● Bachelor's degree or equivalent in Computer Science
● 2+ years' experience in backend development
● Familiarity using Scrum/Agile development methodologies.
● Bachelor's degree or equivalent in Computer Science
● 2+ years' experience in React Native frontend development
● Familiarity using Scrum/Agile development methodologies
● Experience building user interactive mobile applications
● Must be familiar with version control tools like Git.
● Must be familiar with the process for deploying an application on Playstore and AppStore.
● Knowledge of Backend Technologies of Mongo DB and Node.js will be considered as a plus.
Job Types: Full-time-Permanent
Role: Software Developer
Industry Type: IT-Software, Software Services
Role Category: Programming & Design

- You will hold the beacon for development and user experience at a company while helping us scale from 3 million users to 50 million users
- Build performance and effective new features by participating in the overall application lifecycle
- Build modular, reusable, performant, and optimal features both in frontend and backend
- Code, debug, troubleshoot, deliver
- Help maintain and improve existing data structures while planning and implementing new model data structures for scalability
- Continuously improve stability and performance of company’s tech platform
- Be the user’s voice and help make product decisions
- Exhibits knowledge and behavior to adopt Information Security and Privacy practices at their work.
- 1 - 4 years experience as a Full-Stack Developer
- In-depth understanding of the entire web development process (design, development, and deployment)
- Proficiency with Nodejs, MongoDB, AWS.
- Proficiency with front-end languages (e.g. HTML, JavaScript, and CSS)
- Team Building & Leadership
- Want to interact with all levels of the company including senior leaders and cross-functional teams
- Love problem solving and thrive on handling multiple projects and tasks
- Foster strong professional relationships with the full organization
- Sense of ownership and pride in your performance and its impact on the company’s success
• Experience in development with Java Technology (Java, Java Script, Spring).
• Experience with web technologies (JavaScript, HTML, CSS).
• Experience with Web Services (REST/SOAP API).
• Understanding of No-SQL Database (Ex : Mongo).
• Understanding of relational databases: Oracle, MS-SQL.
• Good knowledge of software development lifecycle.
• Good learning capacity.
• Good team spirit.
Knowledge/Experience using agile methodology is a big plus
Desired Skills
Experience with JSON, XML.
Very good knowledge on the Core Java, strong in the collection framework







