React Developer

Designation – Nodejs Developer

Experience – Min 3+ Yrs

Location: Ahmedabad ( WFO)

We are seeking a highly skilled Senior Node.js Developer with expertise in SQL and MongoDB to join our dynamic team.

As a key member of our development team, you will be responsible for managing the interchange of data between the server and users, as well as developing server-side logic. Your primary focus will be on the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. Additionally, your experience with both SQL and NoSQL databases will be crucial in defining and maintaining our data storage solutions.

Responsibilities:

 Develop and maintain server-side applications using Node.js.

 Design and implement RESTful APIs for seamless integration with front-end applications.

 Collaborate with front-end developers to integrate user-facing elements with server-side logic.

 Optimize applications for maximum speed and scalability.

 Implement security and data protection measures.

 Design and maintain database schemas for both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases.

 Manage and mentor junior developers, providing technical guidance and support.

 Stay updated with emerging technologies and industry best practices.

Requirements:

 Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.

 Minimum 4 years of experience in Node.js development.

 Proficiency in JavaScript/TypeScript and frameworks such as Express.js.

 Strong understanding of asynchronous programming and event-driven architecture.

 Experience with SQL databases (e.g., MySQL, PostgreSQL) and proficiency in writing complex SQL queries.

 Experience with NoSQL databases (e.g., MongoDB) and familiarity with their query languages.

 Familiarity with ORM libraries (e.g., Sequelize, Mongoose) for database interaction.

 Knowledge of version control systems (e.g., Git).

 Understanding of CI/CD pipelines and deployment processes.

 Excellent communication and teamwork skills.

 Ability to lead and mentor a team of developers.

About Tamasha

Tamasha is a product-led technology company focused on building immersive,

real-time social and gaming experiences for the next generation of users. Our

products combine scalable backend systems, real-time communication, and AI

driven intelligence to create engaging digital ecosystems.

Our flagship products include:

• Openly – A modern social engagement platform enabling meaningful

conversations and community-driven interactions.

App: https://play.google.com/store/apps/details?id=com.openly.app

• FriendChat – A real-time chat-first social product designed for seamless, low

latency conversations.

App: https://friendchat.app

• Playroom (Voice Chat) – A live voice-based social gaming experience enabling

players to connect, communicate, and collaborate in real time.

App: https://play.google.com/store/apps/details?id=com.playroom.voice

Role Overview

We are looking for a hands-on SDE 2 – Backend Developer (Node.js) who will play

a critical role in building scalable backend systems, integrating AI-driven solutions,

and shaping Tamasha’s technical foundation.Key Responsibilities



Hands-on Engineering: Actively code, design backend architecture, and solve

complex technical problems.

 AI & Emerging Tech: Integrate AI agents, automation, and recommendation

systems.

 Scalable Infrastructure: Design secure, scalable cloud systems on GCP and

Azure.



DevOps & Deployment: Build and manage CI/CD pipelines and monitoring

systems.



Engineering Excellence: Ensure high-quality, secure, and performant code.

 Cross-functional Collaboration: Work closely with product, design, and business

teams.

 Team Building & Mentorship: Mentor engineers and support hiring initiatives.

Required Skills & Experience



3–4 years of backend development experience in a product-based company

 Strong expertise in Node.js (Express / NestJS)



Experience with SQL and NoSQL databases



Hands-on experience with cloud platforms (GCP / Azure)



Experience with CI/CD pipelines and DevOps practices

 Strong understanding of system design and scalability

Why Join Tamasha?

• Build products used by thousands of real users

• Work on AI, real-time systems, and scalable architectures

• High ownership and fast growth opportunities

• Strong engineering culture with startup agility

Requirements :

• 1-3 years of experience in React Native, with a proven track record of contributing to moderate to complex product use-cases.
• Mandatory expertise in React Native and JavaScript/Typescript, with good knowledge of the mobile app development ecosystem for Android and iOS.
• Strong knowledge of state management libraries such as Redux, MobX, or similar.
• Implement best practices for mobile app development, including performance optimization, security, and user experience.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills, with the ability to inspire and mentor team members.

Responsibilities and Duties:

• Expert in Python, with knowledge of Python web framework - Django
• Familiarity with backend automated testing tools and frameworks
• Experience with backend/API development
• Architect, develop and maintain backend libraries/codebase, database & server.
• Develop object-oriented software, with mastery of one or more relevant languages (Django).
• Evaluate competitive and innovative products and design approaches to identify best practices and encourage innovation.
• Understanding the requirement of a client, document the scope and chart out a plan of implementing the scope
• Work with design team to give inputs related to the wire-frames and then the design along with incorporating Client Feedback
• Explore the difference between B2B and B2C projects before implementing the code
• Work in teams of 2-3 on various projects as per the requirement using git as version control
• Having good knowledge of APIs creation and database architecture
• Good Grasp in respective technology (Django)
• Documenting the process and main functions along the developing process
• Design and develop highly scalable, highly available, reliable, secure, and fault-tolerant systems with minimal guidance for one of the fastest-growing companies in India.

Required Experience, Skills and Qualifications:

• 3-5 years of experience required
• Strong hand on Django-Python
• Excellent knowledge of using the Git version control system and deployment via Git.
• You have creative visualization, critical thinking, deductive & pragmatic reasoning and can think out-of-the-box
• Ability to quickly adapt & independently work in a fast-paced Agile environment with minimum supervision.
• A self-starter with demonstrated ability to take initiative, who can proactively identify issues/opportunities and recommend action.

About Company:

Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.

Minimum Requirements/Qualifications:

(i) Minimum education qualification of MCA/ MSc (Computer Science)/BE/BTech (computers/ IT).

(ii) Must have at least 2.5 to 5 years of experience in application development, deployment, and testing. He/ She must possess a valid MySQL Developer or Java Developer certification, which is obtained at least six (06) months prior to the date of award of the contract to the firm.

(iii) Knowledge of Software Management Life Cycle and Software Testing viz unit testing, system testing & Integration Testing, etc.

(iv) Knowledge & hands-on experience of PHP & My SQL is a must. Additional knowledge of Post GreSQL, Typescript & Lit element, Java with Hibernate and Springs, SQL Server, Apache Tom Cat Server & relevant open-source technologies is required.

(v) Individuals must have hands-on experience in server operating systems viz Windows Server OS and RHEL. Knowledge of security concepts of web applications & Networking for undertaking necessary troubleshooting wrt applications accessibility.

(vi) Knowledge of Mobile Application Development

Key Responsibility Areas:

1. Creation of new Course No, Term, and Term type at the beginning of each term. All associated Database tables and software procedures and functions are updated and recompiled.
2. Management of Data Entry and Information access right to various users.
3. AMC includes bug fixing, updating of application for any small policy changes.
4. Regular Patch/update installation and coordinating with MIS team for identification and resolution of issues wrt application functioning and deployment
5. Implementation of Cyber security policies and hardening of application
6. Development of New functionalities in the application
7. Regular Testing of running application functionalities and undertaking unit and integration testing of newly developed components.
8. Support for making changes in the NDA internet web portal.
9. AMC includes backing up of software, and database and storing it in other locations every week
10. Online Multimedia Management System
11. Software Wise Charter of Duties
12. Cadet Suggestion/ Complaint Management System

Job Description:
      We are looking for a self-starter/ Back End Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)

Key Responsibilities: 

Hands-on experience in different technologies and languages such as JavaScript, NodeJS, MongoDB, Express JS, MySQL, REST API, Web Services/REST/JSON, MVC Framework to develop Web /mobile applications. Participating in the design and creation of scalable software. Writing clean, functional code on the back-end. Testing and fixing bugs or other coding issues

Position Type: Full-Time

Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.

Experience: 3+ years of hands-on experience in Backend

Reports to: Development Manager

Roles & Responsibilities:

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• 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
• Excellent scoping and estimation skills

Skills and Responsibilities:

• Proven experience as a Backend Developer or similar role
• 4+ years of hands-on software engineering experience in Node.js and Typescript

(Including Express, Feathers.js, and/or Nunjucks)

• Strong understanding of node modules, npm, nodemon.
• Strong understanding of production systems and Cloud deployments, especially in AWS
• Good understanding of test frameworks like Chai, Mocha, and Sinon
• Good understanding of javascript concepts like Promises and Async-Await
• Deep understanding of mobile backend infrastructure including service-oriented or

microservice architecture.

• Strong experience using a client-side MVC framework such as NodeJS, NextJS, Redux.Good experience working on Backend.
• Ensure the technical feasibility of UI/UX designs.
• Experience with filesystems, server architectures, and performance tuning
• Building reusable code and libraries for future use
• Experience in a relational database and version control tools and integration of third.
• Maintain existing code base including troubleshooting of issues and fixing bugs.
• Experience developing desktop and mobile applications
• Developing and implementing highly responsive user interface components using react
• Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
• Top-notch programming skills and write code for robust software design.
• Experience in responsive design, cross-browser compatibility, and website performance.
• Knowledge of performance testing frameworks including Mocha and Jest
• Aggressive problem diagnosis and creative problem-solving skills.
• Good understanding of how browsers and DOM work.
• Experience with handling Services, RESTful, APIs.
• Excellent communication and teamwork skills
• Great attention to detail and organizational skills
• An analytical mind and problem-solving skills.
• F&B (Food and Beverages) domain experience is a plus.
• Monitoring and improving front-end performance
• A passion for new consumer technology and the emerging media landscape
• F&B (Food and Beverages) domain experience is a plus.
• Keywords skill sets:- Node Js, Express Framework, Feathers Js, JavaScript, PHP, MVC Framework, REST API, Web Services/REST/JSON, MySQL, MongoDB, AWS

*forward your resume to (ambikadotj@semperfidotcodotin)(dot - .)

) 2+yrs of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate, 

JPA, Microservices)  

*) Experience with working on Java 8.0 and its emerging road map for 11  

*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB  

*) Hands on experience in working with Angular 6 and above. Experience working with product 

management and UI/UX designers having knowledge of advanced Javascript, JQuery  

*) Working knowledge on components, modules, data/event bindings, templates, using and creating 

directives, writing routes, services, forms and models  

*) Solid understanding of the full frontend and backend development life cycle  

*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)  

*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and 

Swagger and Postman is required  

*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT 

would be an added advantage  

*) Experience with TDD, code testability standards, JUnit  

*) Experience in managing configurations and deploying and hosting applications in AWS  

*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of 

development   

Role description:

We are looking for a LEAD- Fullstack with expertise and experience in designing and developing applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.

Candidate description:

Should have:

• Passion for technology and financial domain with demonstrated ability to learn quickly
• Delivery focus with ability to take full ownership
• Strong commitment to quality and delivery
• Strong communication skills

Skills/Knowledge and experience:

• Object oriented design and development skill
• Webservices - Node JS/Express JS, Rest API
• Frontend –, React, Angular (Javascript and Typescript)
• Unix and Shell scripting
• SQL Proficiency, good to know MongoDB

Description:

For over 10 years, Zscaler has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day. 

We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems.  We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.

About the role :

This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.

Responsibilities:

• Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
• End to end responsibility to continuously create and monitor the services you build
• Help design reusable and clean API's for our frontend React app
• Guide team members with handling complex issues
• You will also be responsible for database schema design and development of migration scripts
• Experiment with new technologies and ideas and help shape our stack and processes

Requirement:

• 10+ years professional SW development experience
• All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
• Must have good experience with Python
• Solid experience with databases is a must. We use and love Postgres here at Smokescreen
• You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
• Deep understanding and working knowledge of Redis cache
• Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
• Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
• Experience with Docker/Swarm is a plus
• Experience in some stream processing platforms like Kafka/Redis stream is a plus