React Developer with Node

JOB DESCRIPTION:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

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

About Us:

At Product Fusion, we are dedicated to building innovative and scalable software solutions. Our team is passionate about leveraging cutting-edge technologies to drive product excellence and create impactful digital experiences. We invite you to join our dynamic team and contribute to our mission of technological innovation.

Job Description:

We are seeking a talented and motivated Full-Stack Developer to join our team. The ideal candidate will have a strong background in both front-end and back-end development, with proficiency in modern web technologies and frameworks. You will work closely with our development team to design, develop, and deploy scalable web applications.

Requirements:

• Proven experience as a Full-Stack Developer or similar role
• Strong proficiency in React JS or Next JS
• Solid understanding of Python and frameworks like Django or Fast API or Flask
• Proficiency in Tailwind CSS for front-end development
• Experience with PostgreSQL or MySQL databases
• Familiarity with Kubernetes for container orchestration
• Excellent problem-solving skills and attention to detail
• Strong communication and teamwork abilities

What We Offer:

• Competitive salary and benefits
• Flexible working hours and remote work options
• Opportunity to work with cutting-edge technologies
• Collaborative and innovative work environment
• Professional development and growth opportunities

Requirements:

• Bachelor's or Master’s degree in Computer Science, Engineering, or related field.
• Minimum 5+ years of experience in Node.js & Angular development.
• Experience with NoSQL database technologies like MongoDB is must.
• Strong problem-solving skills and the ability to work effectively in a fast-paced environment.
• Excellent communication skills with the ability to articulate technical concepts to non-technical stakeholders.
• Ability to prioritize tasks, manage projects properly and meet project deadlines.
• Experience with version control systems (e.g., Git) and CI/CD pipelines is must.

Responsibilities:

• Lead the Product development team in designing, implementing, and maintaining robust MEAN stack Application.
• Should be able to plan & execute Development Sprints in Jira based on given Feature Documentation.
• Should be able to allocate resources for Sprints and give time estimates.
• Conduct Daily Standup Meetings for Team and make sure of Sprint Progress.
• Provide technical leadership and mentorship to junior developers, guiding them in best practices for MEAN Stack development.
• Collaborate with stakeholders to gather requirements, provide technical insights, and communicate project progress.
• Stay updated with the latest development trends, tools, and technologies, and advocate for their adoption within the team.
• Making sure that we are creating highly scalable and maintainable API’s that meet performance and security requirements.
• Make sure to have at least 90% Test Coverage for NodeJS Backend.
• Conduct detailed code reviews & refactoring and ensure adherence to coding standards, best practices, and project guidelines.
• Optimising frontend components for maximum performance across a vast array of web-capable devices and browsers.
• Develop detailed, annotated wireframes depicting all elements on unique screen types, including content, functional, navigation, and interaction specifications.
• Articulates rationale for approach in the context of both business and user needs.
• Define processes and deliverable that meet project goals and are reasonable within operational, cultural and technology constraints.
• Submit Weekly Sprint & Product Performance Report to Management

 Job Description 

We are looking for a full stack developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. 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 should also be a team player with a knack for visual design and utility. If you’re also familiar with Agile methodologies, we’d like to meet you. 

REQUIRED SKILLS

• Strong Web API & Application development experience - React/Angular/Vue. (Php/Python background is good to have) 
• Hands-on with REST API standards & ORM modelling 
• Experience in API gateway & Serverless functions implementations. 
• Experience in PWA, offline & real-time data modelling 
• Solid work experience with UI application development using standard patterns (MVC/MVP/MVVM) 
• Experience developing desktop and mobile applications (Responsive designs) 
• Experience in AWS App Sync & Amplify frameworks 
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery) 
• Knowledge of multiple back-end languages (e.g. Node.js, .Net Core, Python) and JavaScript frameworks (e.g. React, Vue.js & Angular) 
• Familiarity with databases (e.g. MongoDB, MySQL, Cassandra, AWS Dynamo DB, Azure Cosmos Db), web servers (e.g. Nginx/Apache/AWS/Azure containers) and UI/UX design 
• Excellent communication and teamwork skills 
• Great attention to detail 
• Organizational skills 
• An analytical mind 
• Degree in Computer Science, Statistics or relevant field 

Desired Skills 

• GraphQL / Apollo server integration 
• Ability to understand Hybrid or cross-platform applications using IONIC, React Native, Flutter 
• Ability to develop any test tools in Mac/Desktop 
• Experience with communication and messaging applications 
• Experience with security software and solutions 
• Experience in Python / JavaScript is good to have Responsibilities 
• Develop modular, reusable components for projects with industry-grade coding skills. 
• Ensure Project/Solution is implemented with full OOAD & design patterns methodologies 
• Design and build applications primarily for Web platform. 
• Ensure the performance, quality, and responsiveness of applications 
• Collaborate with a team to define, design, and ship new features 
• Identify and correct bottlenecks and fix bugs, Help maintain code quality, organization, and automatization

• Develop, test, and deploy fast and scalable web apps
• Assist high-end web applications using , Node JS , Mongo DB , Angular9+
• Responsible for solving complex technical issues and giving quick solutions
• Active in client communication to understand functional requirements
• Assist in design, coding and testing
• Provide quick and simple technical solutions
• Ensure quality projects are delivered within defined timelines
• Maintain database to ensure strong optimization and functionalities
•  Designing and maintenance of fully functional large relational and non-relational databases
• Timely deployment of web apps on the cloud
•  Server management and cloud-based infrastructure
• Establishment and integration of development tools as required
• Identification of application issues when deploying the apps
• App deployment on the cloud along with solving debugging issues
• Coding architecture for frontend and backend
• Building interactive consumer data
• Creating features in apps that have a mobile responsive design
• Testing applications and fixing bugs, along with security and data protection features
• Establish code architecture decisions for supporting scalability and good performance
• Makes use of popular front-end frameworks like Bootstrap, LESS, etc and design UI components
• Participation with developers for the creation of scalable RESTful APIs
• Conducting code reviews of developers

• A Bachelor’s in a related computer science field.
• Expertise and experience in the four main technologies – MongoDB, ExpressJS, Angular, and NodeJS
• Knowledge of HTML/CSS, jQuery, Python, OOPS, UI/UX design, AWS, Git, and design framework, web services, JSON, AJAX, cryptography, and security,
• Experience implementing applications using Angular or React
• Experience creating front end applications using HTML5, Angular, LESS/SASS frontend CSS frameworks like Bootstrap, etc.
• In depth knowledge of NodeJS, ExpressJS or Restify
• Experience implementing applications using Angular
• Hands-on experience with JavaScript Development on both client and server-side
• Experience with modern frameworks and design patterns,
• Experience with cloud technologies also a plus