full stack engineer consultant

About Vijay Sales

Vijay Sales is a consumer electronics and appliances retailer, selling through its stores across India, its website and its app.

Our technology team builds the software the business runs on: order management, customer support automation over WhatsApp, reviews and ratings, and the dashboards our operations teams use every day.

The role

We are hiring full stack engineers who can take a feature from spec to production across React, Node.js and MongoDB.

You will work on customer-facing and internal products, often both in the same week. One sprint may be a review submission page used by customers on their phones. The next may be an API that pulls order status from our order management system for the support bot.

We are looking for engineers with 3 to 6 years of experience who are comfortable owning both the front end and the back end of what they ship.

What you'll do

• Build responsive, mobile-first interfaces in React using our in-house UI component libraries.
• Design and build REST APIs and background services in Node.js.
• Model data in MongoDB and keep queries fast as collections grow.
• Integrate with the systems the business runs on: order management, ERP, point of sale and ticketing.
• Build messaging flows over WhatsApp, email and SMS, including delivery tracking, retries and fallbacks.
• Work with the conversational AI team to expose order, invoice and support actions to the customer support bot.
• Write tests, review code and own your features in production, including monitoring and fixing what breaks.
• Work directly with product and operations teams to turn a business problem into a working release.

Our stack

React, Node.js and MongoDB are the core. Everything else in the table is what you will connect to or build alongside.

• Front end: React, with Vijay Sales' in-house UI component libraries
• Back end: Node.js services and REST APIs
• Database: MongoDB
• Messaging: WhatsApp Business, Amazon SES for email, RCS and SMS as fallback
• Conversational AI: LangChain and Rasa, behind the customer support bot
• Business systems: Order management (OMS), ERP, POS, Ticketing Systems

What we're looking for

• 3 to 6 years of professional experience building and shipping web applications.
• Strong JavaScript and TypeScript fundamentals: async patterns, the event loop, modules, error handling.
• Solid React skills: hooks, state management, component design, performance on low-end mobile devices.
• Hands-on Node.js experience: building REST APIs, authentication with JWT, role-based access, input validation.
• Working knowledge of MongoDB: schema design, indexing, aggregation pipelines.
• Experience integrating third-party APIs and webhooks, and handling their failures gracefully.
• Comfort with Git, code review, automated tests and CI/CD.
• Clear written and spoken communication. You will talk to operations and business teams, not only engineers.

Nice to have

• Experience with the WhatsApp Business API, Gupshup or similar messaging platforms.
• Exposure to LLM application development: LangChain, retrieval, tool calling, or bot frameworks such as Rasa.
• Background in retail, e-commerce or order management systems.
• Experience integrating with ERP or POS systems.
• Familiarity with AWS, Redis and message queues.
• React Native or other mobile app experience.

Why join and how to apply

• Your work reaches real customers and store teams quickly. There is very little distance between a release and the people who use it.
• You own features end to end, from the first conversation with the business team to production.
• You get hands-on exposure to conversational AI and LLM-based products alongside core full stack work.

Required Skills/Experience

• 3-4 years of experience designing and/or developing web-based applications using JavaScript, Node, React, Angular, etc
• Strong understanding of JavaScript, browsers, mobile platforms, and real-time communication.
• Problem solving skills with data structures and algorithms.
• Hands-on experience developing responsive web applications and scalable backend systems.
• Strong experience in integrating third-party applications, APIs, and external systems.
• Ability to design, develop, and manage integrations between different platforms and systems.
• Hands-on experience using AI-powered development tools such as ChatGPT, Claude, GitHub Copilot, Cursor, or similar tools for coding, debugging, testing, and improving development productivity.
• Ability to learn and adapt to alternative technologies based on project requirements.
• Experience in the product development lifecycle, including prototyping, development, testing, hardening, and deployment.

Additional Skills/Experience  

• Experience with NoSQL databases such as MongoDB and Cassandra.
• Experience with UI component libraries and other popular JavaScript libraries and frameworks such as Vue.js.
• Eagerness to participate in product functionality and user experience design.
• Excellent group facilitation and communication skills, both verbal and written.
• Familiarity with i18n and the latest trends in UI/UX design.
• Experience implementing payment gateways applicable across different countries.
• Understanding of API integrations, authentication mechanisms, and data exchange between systems

Education Requirement

• B.Tech/M.Tech in CSE/IT/AI/ML only.

• Strong React.js development experience (70%).
• Java and Spring Boot experience (30%).
• Hands-on experience with Microservices architecture.
• Proficiency in JavaScript/TypeScript, HTML5, and CSS3.
• Experience developing and consuming REST APIs.
• Experience with JUnit and unit testing practices.
• Good understanding of relational databases and SQL.
• Cloud/SaaS exposure, preferably AWS.
• Exposure to AWS SNS, SQS, S3, RDS, and Elasticsearch.
• MongoDB experience is preferred.
• Familiarity with Git and CI/CD practices.
• Understanding of application security, performance, and scalability.

Job Description:

We are looking for an experienced Senior Full Stack Engineer with strong expertise in Java, Node.js, frontend technologies, AWS cloud services, and basic AI integration.

Required Skills:

• Java, Spring Boot, Node.js
• React / Angular / Vue.js
• REST APIs, SOA, Microservices
• AWS EC2, Lambda, EKS, CloudWatch
• AWS CDK, CloudFormation
• Docker, CI/CD
• MongoDB, AWS Architecture
• Basic experience with Amazon Bedrock / AI Integration

Important Requirements:

• 7–12 years of relevant experience.
• Must be currently based in Bangalore.
• Immediate joiners or candidates serving notice up to 25 days only.
• No relocation candidates.

JOB DESCRIPTION

Experience: 5-8 years

Fullstack Developer (React Heavy+ Java)

Required Skills and Qualifications 

Frontend: 

• Proficient in React.js 

• Experience with Redux, React Hooks, and component-based architecture 

• Familiarity with front-end build tools (Webpack, Babel, NPM)

Backend: 

• Strong programming skills in Core Java, Java 8+ 

• Experience with Spring Boot, RESTful APIs, Microservices architecture 

• Good understanding of JPA/Hibernate, and SQL/NoSQL databases 

Key Responsibilities

• Develop and maintain scalable backend services using Core Java / Spring Boot 

• Design and implement responsive, high-quality front-end interfaces using React.js 

• Integrate backend APIs with frontend components seamlessly 

• Collaborate with product managers, architects, and QA to deliver quality software 

• Ensure code quality through unit testing, code reviews, and performance tuning 

• Troubleshoot and debug production issues as needed

About the company

Metron Security provides automation and integration services to leading Cyber Security companies. Our engineering team works on leading security platforms including - Splunk, IBM’s QRadar, ServiceNow, Crowdstrike, Cybereason, and other SIEM and SOAR platforms. 

Software Engineer is a challenging role within Cyber Security Engineering integration development. The role involves developing a product/service that achieves high-performance data exchange between two or more Cyber Security platforms. A Software Engineer is at the core of the evolution process and is responsible for the End-to-End delivery of the project, right from getting the requirements from customers to deploying the project for them on-prem or on the cloud, depending on the nature of the project. We follow the best practices of engineering and keep evolving. We are agile. 

Each integration needs reskilling yourself with the required technology for that project. If you are passionate about programming and believe in the best practices of software engineering, the following are the skills we are looking for: 

● Developer-centric culture - No bureaucracy or red tape. 

● Chance to work on 200+ security platforms. 

● Opportunity to engage with end-users (customers) and just a cog in the wheel.

About the role

We are looking for passionate developers with 4-7 years of experience in software development to join the Metron Security team as Software Engineers. 

Mandatory Skills 

• 4+ years of experience in software engineering, with a proven track record of leading engineering teams and mentoring junior developers. 
• Expertise in at least one or two Object-Oriented Programming language (Python, typescript, Java,Node.js,Angular, react.js C#, C++) . 
• Good knowledge of Data Structure and its correct usage. 
• Oversee code reviews, ensuring adherence to best practices and maintaining high code quality standards. 
• Imbibe and maintain a strong customer delight attitude while designing and building products/services.

Other Requirements 

• Open to learn any new software development skill if needed for the project.
• Alignment and utilisation of the core enterprise technology stacks and integration capabilities throughout the transition states. 
• Participate in planning, definition, and high-level design of the solution and exploration of solution alternatives. 
• Define, explore, and support the implementation of enablers to evolve solution intent, working directly with Agile teams to implement them. 
• Good knowledge of the implications of Cyber Security on production.
• Experience in architecting & estimating deep technical custom solutions & integrations. 
• Manage the customer to ensure we have a continuous flow of work from them so that the team has enough work for at least a month. 
• Mentor and coach team members, providing technical guidance and fostering professional development. 

Added advantage: 

• Experience in the Cyber Security domain.
• Experience in developing software using web technologies. 
• Experience in handling a project from start to end. 
• Hands-on experience in an Agile Development project and in writing and estimating User Stories. 
• Contribution to open source - Please share your link in the application/resume if any.

Technical Skills

● Strong in React / Angular / Vue.

● Required skills: state management, responsive UI design, component-based architecture.

● Strong in at least one backend stack such as Java (Spring Boot) / .NET / Python.

● Experience with REST APIs / GraphQL and authentication / authorization.

● Strong in PostgreSQL / MySQL / SQL Server.

● Knowledge of NoSQL such as MongoDB / Redis is a plus.

● Understanding of microservices / modular monolith, API-first design, and event-driven systems at a basic level.

● Familiar with Git, CI/CD pipelines, and Docker.

● Cloud technology exposure in Microsoft Azure / AWS.

Full Stack Developer (SaaS Integrations)

1-2 years of experience

Role: Build and maintain integrations between SaaS applications using REST APIs, webhooks, SDKs, and Workato. You’ll turn customer requirements into working integrations and build supporting React.js components when needed.

Responsibilities:

• Develop Python backend services and integration scripts
• Build and maintain Workato recipes and automation workflows
• Handle authentication (OAuth 2.0, JWT, API keys) and data formats (JSON, CSV, XML)
• Map and transform data between systems, and reconcile it to confirm it moved accurately
• Troubleshoot API, authentication, and mapping failures
• Add error handling, retries, logging, and monitoring
• Flag API limitations and technical risks early
• Document integrations, join code reviews, and work with Tech Leads, QA, and stakeholders

Required skills:

• Python, with FastAPI, Flask, or Django
• Strong REST API knowledge: HTTP methods, status codes, headers, pagination, rate limits, webhooks
• Postman or similar tools
• React.js and JavaScript
• Basic SQL (PostgreSQL or MySQL)
• Git

Good to have: Workato experience (not mandatory if you’re willing to learn). Experience with MuleSoft, Boomi, Zapier, Make, or n8n also counts.

Competencies: Problem-solving, independent API troubleshooting, clear communication, ownership, and a strong learning attitude.

Qualification: B.E / B.Tech / MCA / B.Sc / M.Sc in Computer Science, IT, or a related field.

Growth: The role can lead to Integration Engineer or SaaS Implementation Engineer.

* Design, develop, and maintain responsive websites and web applications.

* Build reusable frontend components using React.js.

* Develop scalable backend APIs and services using Node.js.

* Integrate third-party services and payment gateways such as Stripe.

* Build RESTful APIs and integrate with modern databases.

* Optimize applications for maximum speed, scalability, and SEO.

* Collaborate with designers to translate Figma/UI designs into pixel-perfect interfaces.

* Implement authentication, authorization, and security best practices.

* Debug production issues and improve application performance.

* Participate in code reviews and mentor junior developers.

* Work within Agile/Scrum development processes.

Job Description: React + Node.js Full Stack Developer

Experience: 4+ Years

Location: HP, Bellandur Office, Bangalore

Joining: Immediate Joiners Only

Job Overview

We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.

Mandatory Skills

• React.js
• Node.js
• Express.js
• JavaScript (ES6+)
• REST API development and integration

Key Responsibilities

• Develop responsive and user-friendly web applications using React.js.
• Build scalable backend services and APIs using Node.js and Express.js.
• Design, develop, and integrate RESTful APIs.
• Integrate frontend and backend systems.
• Work with databases such as MongoDB, MySQL, or PostgreSQL.
• Write clean, reusable, and maintainable code.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and Agile development activities.
• Implement authentication and authorization mechanisms.

Preferred Skills

• Redux or Context API
• MongoDB, MySQL, or PostgreSQL
• Git version control
• JWT / OAuth authentication
• Basic knowledge of AWS, Azure, or GCP

Candidate Requirements

• Minimum 4 years of relevant development experience.
• Strong hands-on experience in both React.js and Node.js.
• Good understanding of full-stack application development.
• Immediate joiners only, due to urgent project requirements.
• Must be comfortable working from the HP Bellandur office in Bangalore.