
Job Description
- Should be proficient with core object oriented JavaScript
- Ability to build full stack application using React/Node/Mongo or any other DB
- React Js
- Redux
- Bootstrap & Responsive design concept with HTML5/CSS3 ideas
- npm/nvm concept and hands on experience on usage
- Git as version control tool
- Clear idea of REST API and ability to read API docs and integrate independently
About Senrya Technologies Pvt.Ltd. –
We are a full-stack avant-garde product organization with its roots in East India (Kolkata) and expanse in North East, Maharashtra, Gurgaon, Karnataka and has made Kolkata from backwaters of IT to a live-wire hub of innovation. We blend innovation and next-gen technologies with rich experience of more than a decade and undaunted ambition with the primary objective to build highly scalable solutions that will impact a billion lives.
Senrysa group of companies includes three business verticals that contribute to our success story - Fintech, Retailtech, Healthtech. The growth trajectory of Senrysa has been 100% every passing year.
Fintech - We are one of the leading Fintech organization in financial inclusion with innovative ICT solutions. Senrysa Technologies was an early adopter of the India Stack and has pioneered the Aadhaar Enabled Payment System under the flagship of the business correspondent model for masses and has acquired more than 30 million customers till date under this initiative. We take pride in been granted RuPay Certification from NPCI. Senrysa has diversified client base from Public Sector Bank, Private Bank, Regional Rural Bank to Co-operative Banks across India.
Retailtech - NDHGO is an AI-enabled B2B online ordering platform that empowers small and medium businesses to go online in less than a minute thereby offering unorganized retail players a level playing field to compete with organized aggregators. It will also enable them to sell and market their product offerings online with zero commission. We aim to develop a sustainable online ecosystem for the stores and make their presence digitally discernible and accelerate customer engagement with a mobile first approach and simplicity of adoption where retailers can list their products from the NDHGO Catalogue Builder and share the link to their store with customers through WhatsApp and trending Social Media. Please refer attached presentation for a quick overview.
Healthtech
Understanding the dire need for new practices and procedures and to ensure that quality and timely healthcare reaches every corner of India, we are into Healthcare. We are developing the most advanced IoT based telemedicine devices, this would advent smart health practices that would help improve quality, increase access and affordability.
Benefits:
Competitive Package
Esops
Retention Bonus
Joining Bonus
Relocation Bonus
Higly skilled team members with vast knowledge & expertise

About senrysa technologies (p) ltd
Similar jobs
About Us:
We are a fast-growing startup building AI-powered solutions centered around intelligent agents. Our mission is to deliver seamless, intuitive interfaces that make advanced AI accessible to real users through modern, responsive web applications.
Role: Full Stack Developer Developer
We’re looking for a Full Stack Developer who can design and develop production-ready web applications with excellent frontend user experiences and robust backend systems. You’ll work closely with our AI, product, and design teams to build interactive platforms connecting users with intelligent AI agents.
Responsibilities:
- Develop, test, and maintain end-to-end web applications with modern frontend frameworks and scalable backends.
- Collaborate with AI engineers to integrate agent-driven APIs and real-time data into the UI.
- Design and implement RESTful/GraphQL APIs and efficient database structures.
- Optimize application performance, load times, and user responsiveness.
- Write clean, modular, and reusable code following software design principles.
Requirements:
- THE CANDIDATE MUST BE COMFORTABLE WITH FRONTEND DEVELOPMENT AND HAVE A STRONG UNDERSTANDING OF UI/UX DESIGN PRINCIPLES.
- Strong expertise in Frontend Technologies:React.js,HTML, CSS
- JavaScript,TypeScript, and DOM manipulation.
- State management (Redux, Zustand, Context API,Rest API).
- UI libraries like Material UI, Tailwind CSS, or Bootstrap.
- Proficiency in Node.js and Express.js for backend development.
- Strong understanding of database design (MongoDB, PostgreSQL, or MySQL).
- Knowledge of API design patterns, MVC architecture, and low-level OOP design.
- Hands-on experience with Git/GitHub, version control, and collaborative workflows.
- Awareness of real-time data handling (WebSockets), security, and performance optimization.
- Prior experience building or deploying production-grade web applications through past experience and internships.
- Exposure to AI-powered or multi-agent systems.
- Familiarity with Figma or other design collaboration tools.
What You’ll Gain:
- Hands-on experience building real-world AI-integrated full-stack applications.
- Opportunity to work on frontend architecture, design systems, and API integrations.
- Mentorship from experienced full-stack and AI engineers.
- Pathway for conversion to a full-time position based on performance.
JOB OVERVIEW
Responsible for the front-end development of user interfaces ensuring an enhanced user experience. Follow
emerging trends, adhere to development best practices, and help make improvements to existing web pages,
emails, and all other user interfaces/experiences.
we will need some stronger UX skills to round out the rest of the team (comfortable working with figma and creating responsive/pixel perfect designs
ROLES AND RESPONSIBILITIES
• Work in collaboration with Callaway Golf Designers to turn their vision into functional HTML templates
integrated into SAP Hybris across international sites and multiple brands
• Work in collaboration with backend developers to ensure proper implementation of website data and
functionality.
• Help manage projects through the design, development, and QA processes
• Continue to expand knowledge of new technologies, as well as strengthen current knowledge base
• Build responsive sites for mobile and desktop web experiences.
• Follow the latest advancements in front end technologies and techniques.
• Review code and mentor other developers on best-practices for front end development.
• Help import content and product data into sites using a multi-country model including localization and site[1]specific catalogs
• Help integrate images from digital asset management system
TECHNICAL COMPETENCIES (Knowledge, Skills & Abilities):
• Experience developing web-based responsive applications
• Fluent in HTML/CSS/JavaScript and able to develop rich client experiences from mock-ups from the ground
up
• Experience using established CSS architecture patterns for code reuse and modularity such as BEM,
SMACSS and others
• Experience with CSS pre-processors such as LESS or SASS
• Experience building responsive templates using bootstrap
• Front end and visualization experience using JavaScript and extensive experience with jQuery Libraries,
React.js, underscore, or native JS for DOM manipulation.
• Experience using HTML markup languages such as JSTL to create high performing applications
• Experience with CMS platforms, such as WordPress, Shopify or Hybris
• Experience using web templating engines
• Extensive knowledge of respective browser compatibility issues (Internet Explorer, Firefox, Safari, Chrome).
• Experience integrating iframes
• Experience loading product and content data onto management tools
• Experience working with RESTful JSON Web Services is a plus
• Experience with front end build tools such as webpack, gulp, grunt, etc.
• Experience with development processes including git
• Experience in working with client and offshore team to ensure seamless delivery.
• Creative, artistic and understanding of how human interacts with computer
• An impeccable eye for detail with the ability to match your UI to any design in a cross-browser and device
environment
• Strong interpersonal and communication skills with an affinity for problem-solving
• Ability to self-manage during projects and proactively raise issues/concerns to the team
• A desire to own a project from beginning to end, with a strong sense of pride in a job exceptionally done
Extensive (4+ years) knowledge of web technologies and building large scale web applications
· Strong proficiency in Java Script
· Expertise in Object-oriented programming
· Understanding the fully asynchronous behavior of React.js (Redux)
· Solid understanding of user-centered design principles and MVC/MVP/MVVM patterns specific
to front- end development
· Good in problem-solving skills
· Good in English communication (verbal and written)
2+ years on ReactJS / VueJS
Key Core Skills for React
Experience in building a single page application using ReactJS / VueJS
Strong knowledge of best practices and modern web design trends is necessary.
Must have experience for HTML5, CSS3, Bootstrap, Custom Graphics using SVG
Must have experience using CSS pre-processor: either LESS or SASS
Some experience with modern web-based typography.
Excel at rapid prototyping and at writing good code.
Experience with testing/debugging in multiple browsers and platforms.
Expertise in using Javascript and JQuery
Should have worked on REST and WebSockets
Should be able to write Unit testing using any one of the frameworks like Jasmin, Karma, Jest or
any other similar framework.
Should have experience in either one of the Build scripts like Gulp or Grunt or Webpack
Low-Latency UI, Page optimization, and bundle build+caching
Problem-solving and debugging skills
Component-based architecture
Key Tools
Git
Candidate should have worked on multiple projects using Git for version control
Candidate should be aware of Git commands like clone, pull, merge, etc.
Candidate should be aware of Git flow, like raising a PR and getting code reviewed
Candidate should have worked on Github or Gitlab or Bitbucket
Good To Have skills
Docker
Typescript
Node.JS
Experience with some NoSQL DBs like MongoDB
Experience with some CI/CD
Experience with WebPack or Gulp or Grunt
Location: Ahmedabad
Required Experience: 1-4 yrs Salary 12000 to 40000 per Month
• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.
Desired Candidate profile
● Architect and build scalable front-end web solutions using JavaScript, React, HTML, CSS and other fundamental web technologies.
● Build reusable code and libraries using iterative development practices for future use
● Ensuring high performance on mobile and desktop.
● Implement monitoring, metric dashboards, runbooks, logging, escalations, and alerts.
● Drive code and design reviews of components / systems / products in scope and drive the architectural governance for them.
● Implement best practices and constantly learn new ways of keeping code bases up to date
Roles and Responsibilities:
● A solid grounding in Computer Science fundamentals (based on a Bachelor's or Master's in Computer Science or related field) from reputed institutes
● 4+ years of development experience in modern web technologies (HTML/CSS, JavaScript), frameworks (React, Backbone.js, AngularJS, , etc)
● Ability to build a feature from scratch & drive it to completion
● Prior hands-on experience in building responsive web interfaces at scale for consumers in a product engineering setup
● Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
● Excellent problem solving, debugging and optimization skills
● Strong knowledge of browser behavior, performance, compatibility and cross-browser issues
● Good understanding of REST API
● Familiar with front-end build tools, such as Webpack, Grunt and Gulp.js
● Proficient understanding of code versioning tools, such as Git
● Open source contribution is a plus.
Company Overview: We are a fast-growing vertical SaaS company in Chennai. Our product - GrowSmart - is used by leading project contracting companies across India. Our team values the following: respect for every individual, excellent learning opportunities, challenging work environment, larger responsibilities earlier in your career, commitment towards results, recognition for hard work. Website: https://growsmartsmb.com
Job Overview: You will be part of the core product engineering team. It’s a small, highly productive team building a large and complex product. Our web app is built with React and Redux. The mobile apps are built with React-Native. The backend is built with NodeJs and PostgreSQL. So, javascript is the language we speak 😉. If you are fluent in javascript, you will be a great fit! This position is primarily for the front-end, but we encourage full-stack developers.
You will be a team player working collaboratively with product leaders, UI designers, and the testing team. Requirement Analysis, Design, Development, Unit Testing, and Integration Testing are the major activities you will take up. You will own a feature from UI design to go live.
Skills Expected:
- Sound understanding of HTML/ DOM / Javascript / CSS.
- Strong practical expertise in React and Redux.
- Good understanding of usability, error handling, performance, and reusability concepts.
- Ability to learn new concepts rapidly.
- Ability to handle complexity - you will work on a large and complex app, often more than one task at a time.
- Being self-driven - you enjoy taking ownership; you don’t need constant follow-up from a manager.
Job Highlights: Great opportunity to work on the full-stack in a large and complex product, with a small core team. Modern workplace at the heart of the city – Ashok Nagar. Young and flat team – you get full freedom to learn and grow. Excellent growth opportunity – can take up bigger responsibilities earlier in your career. Medical insurance for self. Due recognition and appreciation for hard work.
* Any bachelor degree
4+ Years of experience in developing enterprise-level software
Should have development experience in React
Should have sound experience in state management libraries like Redux or Mobex
Good knowledge of CSS, HTML, Bootstrap
Good experience in Agile based development approach
Knowledge and experience in Agile based development approach
Experience to perform unit testing and integration testing
Understand architecture requirements and ensure effective design, development and support activities
Analyzing user requirements, envisioning system features and functionality
Exited about working for a startup and moving quickly
Continuously discover, evaluate and implement new technologies to maximize development efficiency
- At least 2+ years of product development experience with expertise in designing and implementing high-performance web applications
- You must be proficient in Problem Solving and Data structures since you got to find the best way of handling a huge set of data.
- Strong hands-on experience in developing web applications using JavaScript
- Strong experience and knowledge in single-page frameworks like ReactJS/Angular/VueJs/other frameworks and ability to design the architecture of single-page applications.
- Strong hands-on experience with JAVASCRIPT, OOPS Concepts, Single page applications, REACTJS, D3, NodeJS, etc
- Build tools such as grunt, gulp, web pack.
- Exceptional debugging skills and knowledge on browser developer tools
- Familiar with RESTful APIs to connect applications to back-end services
- Familiar with optimization techniques (both in file weight and perceived/actual processing speed), debugging techniques, dynamic content retrieval, state management e.g: (Redux), cross-browser support.
- Experience in optimizing the application for performance and scalability using CDN, caching, etc
- Deep experience developing modular, object-oriented JavaScript Strong command of the HTTP protocol and the latest web standards
- Knowledge on Node server, Socket connections and mechanisms to handle real-time async data would be a plus.
- Very Good understanding of Agile/Scrum methodologies
- Very strong full stack experience with familiarity in serving technologies such as HTTP, CDN, proxies and caching
- Working experience with distributed teams and leading them is a plus
- Strong hands-on on writing test cases and documenting UI component.









