React and node js

About the Role

We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, React.js, Node.js, Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.

Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You’ll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.

Key Responsibilities

• Develop and maintain full-stack web applications using React.js (with TypeScript) and Node.js (Express/NestJS)
• Build and document robust RESTful APIs and mobile-ready endpoints
• Implement and consume webhooks for third-party integrations and internal event-based workflows
• Ensure responsive design principles across devices and screen sizes
• Integrate with mobile applications via secure and scalable APIs
• Work with databases including PostgreSQL, MySQL, and MongoDB
• Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
• Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
• Manage application state using Redux or Redux Toolkit
• Write test cases using Mocha, Chai, Jest, or similar frameworks
• Participate in system design, architecture discussions, and scalability planning
• Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
• Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management

Required Skills & Experience

• Minimum 4 years of hands-on experience with the MERN stack
• Strong proficiency in TypeScript, React.js, Node.js, and Redux
• Proven experience in building and consuming REST APIs and webhooks
• Deep knowledge of responsive UI/UX development
• Hands-on experience with mobile-first API design and integrations
• Strong knowledge of PostgreSQL, MySQL, and MongoDB
• Experience with Kafka, Redis, Docker, and microservices
• Exposure to LLM, GPT, RAG, or similar AI models
• Solid understanding of software architecture and ability to build systems from the ground up
• Working knowledge of API security, JWT, OAuth, and rate-limiting
• Familiar with test-driven development and QA practices
• Familiarity with Git, version control, and collaborative workflows good to Have
• Experience with GraphQL and gRPC
• Experience in building SaaS or AI-integrated platforms
• Familiarity with ElasticSearch or RabbitMQ
• Experience with AWS, GCP, or Azure
• Understanding of serverless and event-driven architectures
• 
  

Benefits

• Competitive compensation with performance-based hikes
• Flexible remote or hybrid work options
• Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
• Strong leadership and learning-driven environment
• Learning budget for courses, certifications, and conferences

Minimum 7 years experience : Individual Contributor ( Back-end plus Cloud- Infra)

Banking/Payments Domain : Worked on projects from scratch and scaled

Experience with Payment Gateway Companies is a plus

Tech Stack

Java SpringBoot,AWS,GCP,REST

Worked on CI/CD (Manage and setup )

Different SQL and NO-SQL Databases -,PostgreSQL,MongoDB

Responsibilities:

End to end coding ; from software architecture to managing scaling,of high throughput(100000)RPS high volume transactions.

DIscuss business requirements and timelines with management and create a task plan for junior members.

Manage the day to day activities of all team members and report their work progress

Mentoring the team on best coding practices and making sure modules are Live

on time.

Management of security vulnerabilities.

Be a full individual contributor which means can work in a team as well as alone.

Attitude:

Passion for tech innovation and solve problems

GoGetter Attitude

Extremely humble and polite

Experience in Product companies and Managing small teams is a plus

Requirements

• 4+ years of experience in professional Web Development
• Proven software development experience in Core PHP, Codeigniter, WordPress; Laravel is a plus.
• Must have 2+ yrs experience in VueJs.
• Experience in ReactJs, NodeJs is a plus.
• Excellent Software Design and Architecting capabilities
• Complete familiarity with client-side scripting and Angular JS, Ember JS , JavaScript frameworks, including jQuery.
• Complete familiarity and expertise in web markup, including HTML5, CSS3.
• Expertise in third party API integration - payment gateways, Storage, Streaming services, etc.
• Complete familiarity and experience working with JSON / XML and REST API structure
• Familiar with Continuous Integration/Continuous Deployment technologies such as Bitbucket, Jenkins and Git
• AWS/Google Cloud Deployment is a must; Devops capability is a plus.
• Excellent knowledge of relational databases, version control tools and of developing web services.
• Sound Database experience with MySQL and PostgreSQL experience
• A sound knowledge of Object-Oriented (OOPS) Programming & Design Pattern.
• Agile and Iterative (TDD) development expertise.

We are looking for a skilled Fullstack Tech Lead with extensive experience in NestJS and NextJS to join our team. The ideal candidate should have a strong background in full-stack development, including building and deploying complex web applications. If you are a proactive and self-motivated individual with a passion for developing high-quality software, we would love to hear from you!

Key Responsibilities:

• Lead the development team in building and maintaining complex web applications using NestJS and NextJS.

• Architect and design scalable, secure, and maintainable systems.

• Collaborate with cross-functional teams to design, develop and deploy new features.

• Conduct code reviews and ensure the team follows best practices.

• Mentor junior developers and help them grow their skills.

• Stay up-to-date with the latest trends and technologies in web development.

Requirements:

• Proven experience as a Fullstack Developer or similar role, with a minimum of 5 years of experience.

• Strong experience with NestJS and NextJS.

• Strong experience in front-end technologies such as ReactJS, HTML, CSS, and JavaScript.

• Strong experience in backend technologies such as NodeJS and RESTful APIs.

• Experience in database technologies such as MongoDB and PostgreSQL.

• Familiarity with containerization technologies such as Docker and Kubernetes.

• Good understanding of Agile methodologies and experience in working in Agile environments.

• Excellent problem-solving and analytical skills.

• Strong leadership and communication skills.

• Bachelor's degree in Computer Science, Engineering or a related field.

ROLES AND RESPONSIBILITIES:

·       Working with technical architects, able to convert the architecture into design and code in Java (Spring Boot), AngularJS, and NodeJS.

·       Able to generate LLD documents.

·       Ability to write Quality code with minimum defects.

·       Unit Test and following the coding standards.

·        

PREFERRED QUALIFICATION AND SKILLS:

·       5+ years strong programming and logical skills in Java (Spring Boot), AngularJS, Object Oriented Java script, NodeJS and HTML5

·       Hands on Experience on Java (Spring Boot), and MySQL is mandatory. Must have completed at least 2 full projects using Spring boot and AngularJS.

·       Excellent knowledge and experience in Spring JPA, RESTful webservices implementation.

·       NodeJS experience is value add

·       Should have participated in, and be familiar with, Agile (Scrum) project methodology and practices.

·       Must be able to mentor and guide junior technical resources.

·       One who is proactive and come forward with technology related initiatives. Motivated self-starter. 

·       Good Communication skills. English - Oral and Written.

Job Details:

 Core java – Concepts like oops, Collection,Expection handling, Java 7 well versed, Webservice, SQL

1. Spring – Concepts like spring boot, spring core, Spring MVC
2. ORM Tool like -Hibernate or Spring JPA
3. Front End Areas like angular 4 and above version should be strong.
4. Microservice is mandate at least a knowledge or Experience
5. Kafka or Rabbit MQ experience or knowledge is must
6. RDBMS or Nosql Or oracle or SQL experience is must

Please revert back with below details.
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Thank & Regards

Khadri SH

Sr Executive – TAG

IsquareSoft|Bangalore