MEAN Stack Developer

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

- Design, develop, and maintain full stack web applications using Python (backend) and modern frontend frameworks

- Build and integrate REST APIs; work with databases (SQL/NoSQL)

- Apply AI/ML concepts or tools within applications (e.g., model integration, LLM APIs, data-driven features)

- Collaborate with cross-functional teams on financial/trading platform features

- Write clean, scalable, well-tested code; participate in code reviews

- Troubleshoot and optimize application performance

Company Description

13kbs.com is a forward-thinking company committed to delivering cutting-edge solutions that empower businesses to excel in the digital era. We bridge the gap between innovation and practicality, ensuring efficiency, security, and scalability at every step.

Our key services include AI-powered solutions, scalable full-stack development, cloud & AWS expertise, comprehensive firewall & compliance reviews, and automation testing. At 13kbs.com, we deliver high-impact solutions that align with the evolving demands of technology while maintaining a strong focus on privacy and reliability.

Role Description:

MERN Stack Developer (On-Site – Rajkot)

This is a full-time, on-site role for a MERN Stack Developer based in Rajkot. The developer will be responsible for developing, testing, and maintaining seamless user experiences using technologies such as MongoDB, Express.js, React, and Node.js.

Daily responsibilities include collaborating with cross-functional teams to define, design, and ship new features; writing clean, efficient, and well-documented code; debugging and optimising applications; and ensuring application scalability and security.

• Qualifications & RequirementsExperience: 1–3 years of hands-on experience in MERN stack development
• Proficient in: MongoDB/Postgres, React, and Node.js
• Front-end expertise: HTML, CSS, JavaScript
• Strong understanding of: RESTful APIs and web services
• Familiarity with: Git or other version control systems
• Experience with cloud services: Especially AWS
• Education: Bachelor’s degree in Computer Science, Engineering, or related field
• Soft Skills: Strong problem-solving abilities and effective communication skills
• Language Requirement: Candidate must be able to understand and communicate in Gujarati
• Location: Must be based in Rajkot or nearby areas
• Work Type: Full-time, work from office only (no remote option)

Important Note

Only apply if you meet all the above criteria, including 1–3 years of experience, proximity to Rajkot, and Gujarati proficiency.

We are looking for a motivated full-stack engineer who is proficient in both front-end and back-end technologies. Responsibilities include designing, building, and maintaining web applications, databases, and APIs that enable businesses to operate efficiently.

Responsibilities

• Develop, test, and deploy fast and scalable web apps.
• 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.
• Conducting code reviews of peer developers.

Requirements

• 2 years in MEAN Stack Development.
• Expertise in technologies - MongoDB, ExpressJS, and NodeJS.
• High-quality programming skills for a robust design.
• Experience in application architecture, server management, cross-browser compatibility, responsive design, and website performance.
• Understanding of DB architecture design and programming templates, Agile methodologies, and client-side and server-side procedures.
• BE/ B. Tech/ MCA.

Cloud Platform Core forms the foundation of SAP Cloud Platform, providing key capabilities and services around platform core components [like Cloud Foundry, Kubernetes], extension factory, commercial infrastructure services, platform services, data management services etc

As an integral member of the SAP Cloud Platform Core Unit in Bangalore, India, you will be contributing to development in one of the following areas:

1. Data Management Services for Cloud Foundry, Kubernetes Environments – Both SAP Managed and Cloud Provider based data management services
2. Kubernetes as a Service – Multi-Cloud Kubernetes Cluster as a Service
3. Kernel Services – Enable the development of SAP CP Kernel Services -   technical services used by all SAP cloud solutions to make the Intelligent Enterprise a reality for our customers

EXPECTATIONS AND TASKS

• Demonstrate excellent quality, design, development and delivery skills in scrum teams working in short development and release cycles.
• Use and extend Open Source frameworks heavily and contribute to them, as well.
• Work with geographically distributed teams seamlessly
• Building upon domain knowledge in the area of application and service development in cloud and also in the technical/proprietary skills to reach levels of expertise
• Having a logical approach to problem solving and have the ability to respond to detailed queries
• Working as a fully contributing team member with independent planning & execution responsibilities
• Site reliability engineering for the Service that your team is responsible for

SKILLS AND COMPETENCIES

• Excellent programming know-how in JAVA/JavaScript/C++/NodeJS/Ruby/GO or in any other languages especially framework development. Deep expertise in at least one programming language & tech stack to write maintainable, scalable, unit-tested code
• Passion towards adopting and contributing to open source
• Ability to work with the team in the design and development aspects for the product
• Good understanding of building scalable Web Applications/Cloud Services using cutting edge Web Technologies (JQuery, Server-Side JS, REST, OData)
• Sound knowledge in Object Oriented Programming Principles, Design Patterns, Software Architecture
• Excellent analytical and problem-solving skills
• Goal-oriented team worker with good communication skills. Fluent in English, both written and spoken.
• Ability to work independently, and eagerness to learn and explore new topics
• Prior experience in working with Agile software methodologies
• Strong analytical and problem-solving skills

TECHNOLOGY STACK

• Languages – Java, NodeJS, Golang
• Scripting Languages – Chef, Python, Shell Scripting
• UI – AngularJS, Object Oriented JavaScript, CSS, HTML, SAP UI5
• Storage & Databases – Swift, S3, PostgreSQL, MongoDB, Redis
• Messaging - RabbitMQ
• PaaS & Container Orchestration – Cloud Foundry, Kubernetes
• IaaS – AWS, Microsoft Azure, Google Cloud Platform, OpenStack

EDUCATION AND QUALIFICATIONS/WORK EXPERIENCE

• Masters or bachelor’s degree in Engineering or Technology, majoring in Computer Science, from a premiere institute, with excellent academic records.
• Sound understanding cloud native development and architecture
• 2-6 years of relevant experience in software development

• Have the ability to translate UI/UX design wireframes to scalable code.
• Experience in developing pixel perfect frontend software, with deep experience in React.js
• Design, develop and maintain our user-facing products.
• Creating Restful APIs with Node.js
• Creating Decoupling architecture and microservices.
• Creating database schemas for products.
• Understanding of session management in a distributed server environment.
• Optimization of the application for maximum speed and scalability.
• Write well architectured code while adhering to best practices.
• Thoroughly understand the requirements and deliver features on time.

• 1-5 years of experience with React (redux, hooks).
• 1-5 years experience with JavaScript (ES6+, modern browser APIs, async/await) or Typescript.
• 1-5 years experience with HTML/CSS & responsive websites.
• 1-5 years experience with NodeJS & MongoDB (NoSQL).

• Join an early team of founders - be a part of the founding team.
• Get first-hand startup experience and grab the opportunity to grow with us as we grow.
• Full remote work.
• Attractive base salary.

• You will create REST/GraphQL based web services and APIs for consumption by mobile and web for distributed B2B platform 
• You will code, test and operate Nodejs based services
• You willI implement new features in a highly collaborative environment with product managers, UI/UX experts, and fellow engineers
• You will contribute to a future-ready, high quality, and performance code base
• You will share your technical solutions and product ideas with the team
• You will mentor other engineering team members
• You will contribute to team and organizational improvements in process and infrastructure
• You will be part of a truly global team
• You will work in an exciting startup environment where you can be autonomous and try new things :)

• You have experience in backend development, using languages like Node.JS and Golang
• You have used TypeScript extensions
• You are familiar with NoSQL databases such as MongoDB or CouchDB, Web services, SOA patterns
• You have good working knowledge of design patterns, building and deploying microservices on the cloud
• You have hands on experience with REST APIs or GraphQL
• You have experience with Test Driven Development and know when to apply it
• You have knowledge of web libraries and frameworks such as ReactJS/VueJS, AngularJS, and Clojure
• You have experience working on AWS or other cloud stacks and Docker 
• You have experience building / consuming OpenAPI and GraphQL specifications
• You have experience building microservices systems and testing them
• You have experience building systems with high data protection requirements, anonymous data and data encryption

• You have worked with Blockchain technology
• You have domain expertise working with decentralised identity solutions 
• You have experience of building systems that require cryptography

Here is the interview process for this role: 

• 30m interview with one of our Talent Team or Recruitment Partners
• 1h interview with our Engineers
• 1.5h pairing interview with one of our Engineers
• 3hs final interview meeting a variety of people including our CTO, Leads and other Engineers 

We can be flexible with the structure if someone's circumstances or timescales require it for good reason, just let us know! 

Please reach out if you have any specific requirements so we can be as accommodating as possible for you.