MERN Stack Developer

About Us

We are building the next generation of AI-powered products and platforms that redefine how businesses digitize, automate, and scale. Our flagship solutions span eCommerce, financial services, and enterprise automation, with an emerging focus on commercializing cutting-edge AI services across Grok, OpenAI, and the Azure Cloud ecosystem.

Role Overview

We are seeking a highly skilled Full-Stack Developer with a strong foundation in e-commerce product development and deep expertise in backend engineering using Python. The ideal candidate is passionate about designing scalable systems, has hands-on experience with cloud-native architectures, and is eager to drive the commercialization of AI-driven services and platforms.

Key Responsibilities

• Design, build, and scale full-stack applications with a strong emphasis on backend services (Python, Django/FastAPI/Flask).
• Lead development of eCommerce features including product catalogs, payments, order management, and personalized customer experiences.
• Integrate and operationalize AI services across Grok, OpenAI APIs, and Azure AI services to deliver intelligent workflows and user experiences.
• Build and maintain secure, scalable APIs and data pipelines for real-time analytics and automation.
• Collaborate with product, design, and AI research teams to bring experimental features into production.
• Ensure systems are cloud-ready (Azure preferred) with CI/CD, containerization (Docker/Kubernetes), and strong monitoring practices.
• Contribute to frontend development (React, Angular, or Vue) to deliver seamless, responsive, and intuitive user experiences.
• Champion best practices in coding, testing, DevOps, and Responsible AI integration.

Required Skills & Experience

• 5+ years of professional full-stack development experience.
• Proven track record in eCommerce product development (payments, cart, checkout, multi-tenant stores).
• Strong backend expertise in Python (Django, FastAPI, Flask).
• Experience with cloud services (Azure preferred; AWS/GCP is a plus).
• Hands-on with AI/ML integration using APIs like OpenAI, Grok, Azure Cognitive Services.
• Solid understanding of databases (SQL & NoSQL), caching, and API design.
• Familiarity with frontend frameworks such as React, Angular, or Vue.
• Experience with DevOps practices: GitHub/GitLab, CI/CD, Docker, Kubernetes.
• Strong problem-solving skills, adaptability, and a product-first mindset.

Nice to Have

• Knowledge of vector databases, RAG pipelines, and LLM fine-tuning.
• Experience in scalable SaaS architectures and subscription platforms.
• Familiarity with C2PA, identity security, or compliance-driven development.

What We Offer

• Opportunity to shape the commercialization of AI-driven products in fast-growing markets.
• A high-impact role with autonomy and visibility.
• Competitive compensation, equity opportunities, and growth into leadership roles.
• Collaborative environment working with seasoned entrepreneurs, AI researchers, and cloud architects.

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Job Description

Team Lead – Full Stack Developer

Experience

3–5 Years

Location

Bangalore (Onsite)

Role Summary

We are looking for a highly skilled, hands-on, and ownership-driven Team Lead – Full Stack Developer who can independently architect, design, develop, deploy, and support enterprise-grade web, mobile, and cloud-native applications.

The ideal candidate should have strong expertise in ReactJS, Next.js, Java, Spring Boot, Microservices, Distributed Systems, Cloud Technologies, DevOps, AI-Assisted Development, and Product Engineering.

The candidate will be responsible for owning end-to-end product development, including frontend architecture, backend services, APIs, databases, deployment, production support, stakeholder communication, sprint planning, team leadership, and successful delivery of scalable, secure, and high-performance solutions.

Key Responsibilities

Architecture & Product Ownership

• Design end-to-end application architecture, HLDs, LLDs, deployment architecture, integration architecture, and security architecture.
• Build products from scratch and independently drive projects from concept to production.
• Convert business requirements into technical solutions, user stories, sprint plans, and delivery roadmaps.
• Design scalable, secure, fault-tolerant, multi-tenant, and enterprise-grade applications.
• Evaluate and recommend suitable technologies, frameworks, and development approaches.

Full Stack Development

Frontend Development

• Design and develop responsive and modern web applications.
• Build reusable UI components and scalable frontend architectures.
• Develop Single Page Applications (SPA) using ReactJS and Next.js.
• Implement state management using Redux Toolkit and Context API.
• Integrate REST APIs, GraphQL APIs, and WebSocket-based applications.
• Ensure application accessibility, responsiveness, performance optimization, and SEO best practices.
• Collaborate closely with UI/UX designers to deliver intuitive user experiences.

Backend Development

• Develop enterprise-grade backend applications using Java and Spring Boot.
• Design and develop REST APIs, Microservices, SOAP Services, gRPC Services, and Webhooks.
• Build reusable frameworks, service layers, and integration modules.
• Implement authentication, authorization, API security, and enterprise integrations.
• Optimize application performance, scalability, reliability, and maintainability.

Distributed Systems & Enterprise Solutions

• Design distributed systems using Event-Driven Architecture, CQRS, Saga Pattern, DDD, Hexagonal Architecture, and Clean Architecture.
• Implement resilience patterns, service discovery, circuit breakers, distributed transactions, and failover mechanisms.
• Build workflow automation platforms, document management systems, enterprise integration solutions, and business process automation systems.

Team Leadership & Delivery

• Lead and mentor development teams.
• Conduct code reviews, architecture reviews, and technical discussions.
• Drive sprint planning, stand-ups, reviews, and retrospectives.
• Collaborate with Product, Business, QA, DevOps, AI, and Management teams.
• Ensure successful project delivery while maintaining engineering standards and best practices.
• Support hiring, onboarding, mentoring, and technical growth of team members.

DevOps, Deployment & Production Support

• Manage CI/CD pipelines and deployment processes.
• Work with Docker, Kubernetes, and cloud-native environments.
• Implement Blue-Green, Canary, Rolling, and Zero-Downtime deployment strategies.
• Monitor application health and troubleshoot production issues.
• Ensure application reliability, security, scalability, and operational excellence.

AI & Innovation

• Leverage AI tools to improve development productivity and software quality.
• Build AI-powered Proof of Concepts (POCs) and enterprise applications.
• Utilize AI for development, testing, documentation, architecture reviews, and automation.
• Collaborate with AI teams to integrate intelligent capabilities into business applications.

Mandatory Technical Skills

Frontend Technologies

• ReactJS
• Next.js
• JavaScript (ES6+)
• TypeScript
• HTML5
• CSS3
• Tailwind CSS
• Material UI
• Bootstrap
• Redux Toolkit
• Context API
• React Query
• Responsive Design
• Progressive Web Applications (PWA)

Backend Technologies

• Java 8/11/17/21
• Core Java
• Spring Boot
• Spring MVC
• Spring Security
• Spring Data JPA
• Spring Cloud
• Spring Batch
• Spring WebFlux
• Spring Integration
• Spring AOP
• Spring Validation

APIs & Enterprise Integrations

• REST APIs
• SOAP Services
• GraphQL
• gRPC
• Webhooks
• OpenAPI / Swagger
• OAuth2
• JWT
• OpenID Connect
• SAML

Microservices & Distributed Systems

• Microservices
• Event-Driven Architecture
• CQRS
• Saga Pattern
• Domain-Driven Design (DDD)
• Event Sourcing
• Hexagonal Architecture
• Clean Architecture
• Service Discovery
• Circuit Breakers

Messaging & Streaming

• Apache Kafka
• RabbitMQ
• Event Streaming
• Message Brokers
• Asynchronous Processing

Databases

• PostgreSQL
• Oracle Database
• Oracle FLEXCUBE
• MySQL
• SQL Server
• MongoDB
• Redis
• Database Design
• Query Optimization
• Indexing
• Migration
• Replication

DevOps & Cloud

• Docker
• Kubernetes
• Jenkins
• GitHub Actions
• GitLab CI/CD
• AWS
• Azure
• GCP

Monitoring & Quality

• Grafana
• Prometheus
• ELK Stack
• OpenTelemetry
• JUnit
• Mockito
• SonarQube
• Unit Testing
• Integration Testing
• API Testing
• Performance Testing
• Security Testing

AI-Assisted Development Tools

• ChatGPT
• Claude
• Cursor
• GitHub Copilot
• Replit
• Lovable
• IntelliJ IDEA
• Prompt Engineering
• AI-Based Code Review
• AI-Based Testing & Documentation

Preferred Domain Experience

• Banking & Financial Services
• FinTech
• Enterprise SaaS
• Workflow Automation
• Digital Transformation
• AI-Powered Applications
• OCR & Document Processing
• Payment Systems
• Enterprise Integration Platforms
• Identity & Access Management
• Multi-Tenant Platforms

Soft Skills

• Strong leadership and ownership mindset.
• Excellent communication and stakeholder management skills.
• Strong analytical and problem-solving abilities.
• Ability to manage multiple projects simultaneously.
• Strong mentoring and team collaboration skills.
• Innovation-driven and continuous learning attitude.

Education

Bachelor's Degree or Master's Degree in:

• Computer Science
• Information Technology
• Software Engineering
• Electronics & Communication
• Or equivalent practical experience

Preferred Candidate Profile

A highly motivated Full Stack Engineering Leader with experience building products from scratch, owning frontend and backend architecture, leading engineering teams, driving innovation, and delivering scalable enterprise-grade applications across web, mobile, cloud, and enterprise platforms. The candidate should be capable of independently managing architecture, development, deployment, production support, and successful project delivery while mentoring and growing engineering teams.

mandatory one w

Role & Responsibilities:

As a Full Stack Developer Intern, you will take on significant responsibilities in the design, development, and maintenance of web applications using Next.js, React.js, Node.js, PostgreSQL, and AWS Cloud services. We seek individuals who are self-motivated, energetic, and capable of delivering high-quality work with minimal supervision.

• Develop user-friendly web applications using Next.js and React.js.
• Create and implement RESTful APIs using Node.js.
• Write high-quality, maintainable code while adhering to best practices in software development.
• Deliver projects on time while maintaining a strong focus on performance and user experience.
• Manage data effectively using PostgreSQL databases.
• Code Quality & Reviews: Maintain code quality standards and conduct regular code reviews to ensure the delivery of high-quality, error-free code.
• Performance Optimization: Identify and troubleshoot performance bottlenecks to ensure a seamless and lightning-fast platform experience.
• Bug Fixing & Maintenance: Monitor platform performance and proactively address any issues or bugs to keep the platform running flawlessly.
• Contribute innovative ideas and solutions during team discussions and brainstorming sessions.
• Communicate openly and honestly with team members, sharing insights and feedback constructively.
• Stay updated on emerging technologies and demonstrate a willingness to learn more.

Qualification:

• Graduate/Post-Graduate with a degree in Computer Science, Software Engineering, or a related field.
• Proficiency in HTML, CSS, JavaScript, and modern front-end frameworks (specifically Next.js and React.js).
• Strong knowledge of back-end technologies such as Node.js and Express.js.
• Experience with relational databases, particularly PostgreSQL.
• Familiarity with AWS Cloud services is a plus.
• Excellent problem-solving skills with a proactive approach to challenges.
• Proven ability to troubleshoot and resolve complex technical issues.
• Strong communication skills with the confidence to share ideas openly.
• High energy level and passion for contributing to the company’s success with integrity and honesty.
• Startup Enthusiast: Embrace the fast-paced and dynamic environment of a startup, driven by a passion for making a positive impact.

Job Summary

Hitasoft, a web and mobile application development company is looking for a Full Stack Developer(MERN) 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.

The job location is Madurai.

Responsibilities

Binding of UI elements to JavaScript object models

Creating RESTful services with Node.js

MERN stack developer must have proven experience in front & back-end development.

Work in a cross-functional team to deliver a complete user experience.

Developer must expertise into MongoDB, Express, Node.js, & React.

Create Unit and Integration tests to ensure the quality of code.

MERN full stack developer must have the ability to wear many hats and learn new technologies quickly.

Understanding & proficiency in REST APIs.

MERN stack developer should know Git Repository and Jira.

Integration of data storage solutions [RDBMS, NoSQL DB].

Work with development teams and product managers to ideate software solutions.

Develop and manage well-functioning databases and applications.

Test software to ensure responsiveness and efficiency.

Create security and data protection settings.

Requirements

MERN Full stack eCommerce developer is responsible for writing reusable, testable, and efficient code.

Design and implementation of low-latency, high-availability, and performant applications.

Implementation of security and data protection.

Understanding of performance testing and optimization techniques.

MERN software developers must have good communication & interpersonal skills.

Ability to work independently with minimum supervision.

Job Description

• Independently own one or more multiple modules, which includes: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules and that handles interaction between multiple components.
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Perform design and code reviews
• Perform technical feasibility and trade off studies & guides others to perform these studies
• Solve production issues. Investigate and provide solutions to minimize the business impact due to outage
• Continuously improve performance metrics of modules you own.
• Collaborate effectively across teams to solve problems, execute and deliver results

Requirements

• 2+ years of relevant industry experience in MERN stack
• A deep understanding of JavaScript
• Experience working with SQL and NoSQL databases
• Experience with Unit and Integration tests
• Experience with CI/CD
• Experience with MathJax/Latex
• Experience with large scale video streaming

Looking for MERN stack developer who is an expert in MongoDB, Express, React and Node. He/She should be proficient in JavaScript and use HTML, CSS and JavaScript to handle front-end operations and JavaScript with Node. js to handle back-end operations.

Roles and Responsibilities:-

• Ability to translate Wireframes into functional web apps.
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• MERN stack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• ReactJS NodeJS developer must know MongoDB, Express, Node.js, & React.
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
• For MERN stack developer job, candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• MERN stack developers should know Git Repository and Jira.
• Integration of data storage solutions [RDBMS, NoSQL DB]

Desired Candidate Profile:-

• Excellent in basic programming in any web technology Server and Client
• Like ReactJS/Node JS and Server-side scripts
• Basic knowledge in APIs, Micro Services
• Hands-On experience in Web development frameworks
• Hands-On in Database queries and concepts
• Understanding of performance testing and optimization techniques

Perks and Benefits:-

• No salary bar for deserving candidates.
• 5 days working.
• Paid and leave encashment facility available.

Tech Lead – Software Development

Tech Lead will be responsible for development and project delivery. She will also provide technical and team leadership through coaching and mentorship.

Job Responsibilities:

• Guide team development efforts towards successful project delivery
• Provide technical leadership to teammates through coaching and mentorship
• Maintain high standards of software quality within the team by establishing and coaching team member in best practices in development
• Collaborate with other software developers, business analysts and software architects to plan, design, develop, test, and maintain web- and desktop-based business applications built on new and legacy technologies.
• Assist in the collection and documentation of user’s requirements, development of user stories, estimates and work plans
• Design, develop, and unit test applications in accordance with established standards
• Participate in peer-reviews of solution designs and related code
• Package and support deployment of releases
• Analyze and resolve technical and application problems
• Assess opportunities for application and process improvement and prepare documentation of rationale to share with team members and other affected parties
• Adhere to high-quality development principles while delivering solutions on-time and on-budget
• Ensure Team member adhere to the SDLC requirements

Qualifications:

• B.E./B.Tech./MCA or equivalent
• 12+ years’ experience as a Software Developer with at least 3+ years in a similar role
• Prior experience in a technical leadership position
• Proficient with .NET/Angular/React/Node JS and SQL
• Extensive hands-on Experience in ASP.Net Core, MVC.

• Excellent understanding of database tuning, design, optimization, and scaling using MS SQL and NoSQL databases

• In-depth knowledge and experience with developing web applications with service-oriented framework, Microservices and Rest APIs
• Extensive experience designing and developing enterprise grade software
• Experience with source control management systems and continuous integration/deployment environments
• Experience with agile development methodologies including Kanban and Scrum
• Experience with multi-threading and concurrency
• Experience with debugging, performance profiling and optimization
• Comprehensive understanding of object-oriented and service-oriented application development techniques and theories