We are looking for Full-stack engineers with a minimum of 2 to 3+ years of exposure to Node JS, Express JS, Mongo DB, and React JS to join our team.
At Aryston Web Solution Pvt. Ltd, you will use the latest software development languages, techniques, and approaches and work with a visionary team to build solutions you can be proud of.
Your role and responsibilities
- Creating solid back-end code with Node JS.
- Writing code in async-await architecture.
- Integrating REST APIs in front-end application using React JS
- Writing mongoose schema efficiently can implement MRC architecture in the express framework
- Implementing business logic in front-end applications using javascript, should be able to handle complex JSON architecture.
- Should be able to manage states using Redux, Redux thunk/saga, Mobx.
- Should be comfortable in using both functional and class components in React.
- Must be familiar with popular React UI libraries like Material UI, Antd.
- Implement best practices and constantly learn new ways of keeping codebases up to date.
- Having knowledge in Typescript, GraphQL, NextJS, Socket.io is like a match made in heaven.
- AWS SDK hands-on experience, Firebase Services experience, Oauth 2.0 handling knowledge are best to have.
Criteria
- 2+ years of work experience with Node JS, Mongo DB Javascript and React JS.
- Proficient understanding of code versioning tools, such as Git.
- You care about the design and user experience of an application. The choice of third-party libraries should be elegant.
- You must respect the timeline of the deliverables and releases.
Why Join Us?
Aryston Web Solution builds robust solutions for clients in 10+ sectors including cybersecurity, education, healthcare, hospitality, insurance, transportation which makes a positive impact in 5+ countries in the world.
We also have our B2B SAAS product and catering a wide range of clients through it.
At Aryston -
- Your work gets recognition from day 1.
- Since we work very closely, We honor the decision and opinions of our colleagues.
- We grow, you grow.
- We explore and learn new things together.
- Fixed working hours.
- We follow proper productive techniques to get things done, so there are fewer phone calls or boring meetings, and of course zero blame game.
Kolkata (West Bengal)

About Aryston Web Solution
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- Experience in React.js and Node.js
- Experience writing clean code
- Experience building scalable webapps
At Intain, we fuse blockchain, analytics, and AI to power next-gen platforms for structured finance.
Join us to build on the cutting edge—smart-contract rails, real-time analytics, and AI-assisted workflows—all in one product stack.
What You’ll Do
- Own features end-to-end: design → code → test → deploy → iterate.
- Build modern web apps (React.js / Node.js, REST/GraphQL) that move real money.
- Automate quality with tests, CI/CD, and cloud (Azure).
- Use AI dev assistants to hit our “1 dev = 4 devs” productivity bar.
Our Stack
React.js · Node.js · Go · Snowflake · Azure · Kubernetes · Git Workflows · Postgres/MongoDB · Solidity
You Bring
- Proven full-stack delivery in JS/TS (React + Node).
- Habit of shipping clean, production-ready code—fast.
- Comfort treating AI coding tools as teammates, not toys.
- Ownership mindset: measured by what you deliver, not tenure.
- Blockchain dev experience = bonus (not required).
Why Intain?
- Openings for Tech Lead and Senior Engineer — core seats on a small, high-output team.
- Compensation & ESOPs tied directly to shipped value.
- Chance to redefine capital markets with tech that actually ships.
📍 About Us
Intain is transforming structured finance using AI, blockchain, and real-time analytics to streamline transactions, improve transparency, and scale impact.
AI/ML Development: Build models using open-source frameworks (e.g., PyTorch, TensorFlow). ● Zero-Cost Full-Stack Engineering: Build across the stack using cost-free tools and infrastructure. ● Security & Auth: Implement secure authentication/authorization systems using free solutions. ● AI-Augmented Coding: Utilize tools like GitHub Copilot, Cody, and Workik to 10x productivity. ● UI/UX Focus: Build clean, engaging, and fast interfaces. ● Rapid Iteration: Ship MVPs, test quickly, and improve constantly. ● Lean Infrastructure: Avoid paid services; build with open-source and free-tier tools.
About OJ Commerce:
OJ Commerce is a fast-growing, profitable online retailer based in Florida, USA with a full-fledged India office based in Chennai driven by a sophisticated, data-driven system to run the operations with virtually no human intervention. We strive to be the best-in-class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand-partnerships to provide a seamless & enjoyable shopping of high-quality products at the best prices to our customers.
Responsibilities:
Work with business-stakeholders to understand requirements, prototype, build and deploy it.
CRUD the backend code you own keeping maintenance, performance and security in mind.
Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.
Automate the boring and mundane stuff for you prefer to be productive than being busy.
We are flat. Be responsible for professional growth of self and the team.
- Tune application for performance.
- Take initiatives and manage change to work towards business goals at speed without compromising safety.
- Coach full-stack developers on backend skills.
- Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition
Develop functional, architectural and other documentation as required for productive functioning of teams.
- Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
- We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
- Take the lead in digital transformation of legacy applications.
What you need to shine?
- You have the prior experience in modernising legacy applications.
- You are a passionate hands-on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro-Services and RESTful Services with knowledge of SQL Server database.
- You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
- Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
- You are Cloud savvy, preferably Google Cloud.
- You have rich experience in Object-Oriented Programming (OOP) with good knowledge of practical design-patterns and its applications.
Hands-on experience in building SOA or Micro-services preferably on .NET Core.
Proven Architectural skills with high standards in Code quality
Knowledge of ReactJS/Typescript would be added advantage.
Practical experience in Agile development methodologies of using CI/CD.
Extreme Programming (TDD) experience is sought after by us.
What we Offer
- Greenfield opportunity to transform legacy backend applications to latest technology stack.
- Fast-paced start-up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
- Work in an interdisciplinary team where learning from one another and developing solutions cross-functionally is a key part of our culture.
- Golden opportunity to make history by making big business impact.
- Competitive salary to take good care of self and family.
- Insurance Benefits: Medical and Accident cover.
- Flexible Working Hours
Technical Skills & Competencies: Mandatory:
Web Development – HTML, CSS, JavaScript
Frameworks – ReactJS/AngularJS
Server-side development – Python/Django/Node.js
Database: SQL or NoSQL Databases (SQL Server/ MongoDB)
API Design concepts and Development of RESTful web services
Preferable:
- Familiarity with the Development of reusable frameworks, libraries to be used by multiple development teams
- Familiarity with cloud-native application architecture patterns
- Hands-on experience on project management tools like Jira
- Experience using DevOps Tools for CI/CD
- Conversant with agile methodologies
Roles & Responsibilities
- Work independently or in a small team setup
- Manage a team of highly skilled Frontend/Full Stack and Backend developers
- Creating, executing, and maintaining project plans including activity definition, sequence, dependencies, work effort, duration, and resource requirements
- Work with the technical team, communicating requirements and ensuring all product development meets the goals of the project and overall business and strategic goals
- Project management including release management, add-on compatibility reporting, updating documentations
- Assist in other ad-hoc or administrative tasks as part of daily/routine business activities
- Work with product technical architects to design new products or enhancements. Take part in system development including analysis, coding, and testing
- Performs design and code reviews with senior technical staff
- Act like the person everyone turns to resolve tough technical problems
- Work closely with other teams/vendors to connect front-end components with the other (often third-party) web and data services and support the back-end developers by integrating their work with the application
- Mentors team on proper standards/techniques to improve their accuracy and efficiency
- Performs the unit testing, system integration testing and assist with user acceptance testing
- Articulates business requirements in sufficient detail such that a technical solution can be designed and engineered
- Develops technical understanding of how the data flows from various source
- Provide ongoing support to applications used within the organization
Requirement
- 5+ years of experience in product development, with 2+ years of experience in a leadership role in current organization
- Reliable, self-motivated, and self-disciplined individual capable of planning and executing multiple projects simultaneously within a fast-paced environment
- Exceptional debugging skills and strong experience with performance tuning
- Excellent technical, analytical, and organizational skills
- Good range of hands-on technical experience
- Expert knowledge in Systems Development Life Cycle (SDLC)
- Expert understanding of Node.js and JavaScript
- Familiarity with code revisioning and repo maintenance on Git, code profiling and auditing
At BigRadar we automated consumer interactions using Chatbots. You'll be working in the backend to create services to make it happens. Obviously, we're looking for self-driven individuals who're proud of their code and do care about no more spaces.
Requirements:
- At least 3 years experience.
- Writing HTML, CSS, and JavaScript.
- Expertise in front end framework like Angular (preferred) or React.
- Expertise in back-end programming language JavaScript, TypeScript, NodeJs.
- Working with RDBMS such as Postgres or MySQL.
- Experience implementing testing platforms and unit tests.
- Proficiency with Git.
- Appreciation for clean and well-documented code.
- Understanding of microservices and distributed systems.
- Experience working with AWS infrastructure.
- Docker or Kubernetes.
- Message queues such as Kafka.
- CI/ CD tools such as Jenkins.
BigRadar is an early-stage SaaS company which delivers great customer satisfaction. Our monthly Monthly revenue rate is increasing rapidly which create great career opportunities for people working with us.
Since, our primary customer base in London, UK. We will soon launch our office there!
Full Stack Engineer
Front End Technology:
- Minimum 2+ years’ experience in working web development technologies
- Experience writing modular/reusable code and using modern JS frameworks / libraries like
React or other comparable frameworks or toolkits
- Strong expertise with HTML5, CSS, and writing cross-browser compatible code.
. Experience with Responsive Frameworks like Bootstrap / Flex.
- Strong knowledge of Object-Oriented Design concepts.
Back end Technology:
- Have extensive experience in designing a backend stack of the product
- Strong understanding of Data Structures / Algorithms.
- Minimum of 2+ years of experience in Writing Backend Microservices in Node
JS/Python
- Ability to build the product from scratch & drive it to completion
Responsibilities and Duties:
- Design and build a next-generation product that drives the business and meets the functional
needs of our customers and partners.
- Designing overall architecture of the web/ mobile application
- Maintain quality and ensure responsiveness of applications
- Optimize web applications to maximize speed and scale. Support diverse clients from high
powered desktop computers to small footprint mobile devices.
- Write client-side/backend code for web-based applications, create fast, easy-to-use, high
volume production applications, and develop prototypes quickly.
- Build reusable code and libraries for future use
- Develop application code and unit test (Karma, Mocha, Chai).
- Ensuring high performance and security of web apps developed.
Employment Type
Full-time
Job Functions:
- Engineering
- Information Technology
Skills
- Object-Oriented Programming (OOP)
- JavaScript
- Data Structures
- Front-end Development
- Algorithms
- React js
- Express js
- Swagger
- Github
Qualifications
- Experience in building scalable systems.
- Exposure in building and using reusable code and libraries.
- Candidates should proactively keep their knowledge and skills up to date.
- Candidates should be able to work in a fast-paced environment independently and as part of a team.
- Candidates should be able to work in a highly collaborative environment with excellent communication skills.
Other Skills:
- Excellent written and verbal communication skills.
- Ability to work in a dynamic, fast-moving, and growing environment.
- Critical thinker and problem-solving skills. Should be able to strategize immediately.
- Strong knowledge of web application architectures, trends, and emerging technologies.
- Must have good hands-on experience on WordPress
- Should able to edit WordPress plugins
- Well versed with HTML, CSS, Java script, PHP
- experience in phpMyAdmin, MySQL, MariaDB
- SSO, oauth2 website integration will be added advantage
- Good communication skills, should able to demonstrate website features
- Good work ethics, professionalism, team player







