Full Stack Developer

Job Title: Senior Software Developer – Agentic AI / Backend

Location: Bangalore (Work from Office)

Experience: 5–8 Years

About the Role

We are looking for a highly skilled Software Developer to build next-generation agentic AI systems that automate and enhance customer support experiences. The role involves designing intelligent systems that can reason, retrieve knowledge, and perform automated actions by integrating with enterprise services and APIs.

Key Responsibilities

• Design and develop backend services using Node.js/TypeScript and Java (Spring Boot).
• Build scalable microservices and REST APIs that integrate with internal systems.
• Develop LLM-powered workflows, including RAG (Retrieval Augmented Generation) and AI agent capabilities.
• Implement workflow orchestration, session/context management, and automation logic.
• Integrate services with databases, APIs, and enterprise systems.
• Ensure scalability, security, monitoring, and reliability of production systems.
• Collaborate with cross-functional teams including Product, Data, and Engineering.
• 
  

Required Skills

• 5–8 years of backend development experience.
• Strong experience with Node.js/TypeScript and Java (Spring / Spring Boot).
• Experience building microservices, APIs, and distributed systems.
• Hands-on exposure to Generative AI, LLMs, or RAG-based systems.
• Good understanding of SQL/NoSQL databases.
• Familiarity with Docker, Kubernetes, CI/CD pipelines, and Git.
• Strong problem-solving and collaboration skills.
• 
  

Preferred Skills

• Experience with LangChain, OpenAI APIs, or similar LLM platforms.
• Exposure to AI agent architectures or automation frameworks.
• Knowledge of vector databases, embeddings, and semantic search.
• Experience working in large-scale production systems.

• Notice Period: Immediate to 30 days preferred.

Responsibilities:

• Work with product managers to find solutions to critical problems, face internal customers, and create requirements.
• Triage and fix critical issues that arise in the field that affect our core product.
• Manage git repositories, pull requests, and review code.
• Communicate properly & promptly with all stakeholders.
• Build a proof-of-concept for new products from scratch.
• Optimize, clean up, and comment on the existing codebase.

Requirements:

• Must have 5-8 years of hands-on engineering experience.
• Must be an expert in JavaScript/Typescript with ES6+ features, Node.js, ReactJS, and Redux
• Must be an expert in HTML5 CSS3 SASS, and Webpack.
• You are proficient with RESTful API design and implementation using Node.js.0
• Proficiency in relational (MySQL, Cloud Spanner etc. ) and non-relational (MongoDB, Google Cloud Firestore etc. ) databases.
• Must be an expert in data structure and creating highly optimized algorithms.
• Should have a working knowledge of GCP services like App Engine, CloudSQL, Compute Engine etc.
• Should have a working understanding of microservices patterns, serverless design, and event-based architecture.
• Willingness to learn new programming languages, frameworks, and paradigms.

• Web application development experience in HTML5, CSS3, Javascript (including new ES features), Python
• Hands-on experience in any one of the python-based backend frameworks like Django or Flask or Pyramid along with end to end testing
• Hands-on experience in building high performant React applications
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Hands-on experience working with TDD in JS with the help of frameworks like Mocha, Chai, Jest, Enzyme, React Testing Library etc.
• In depth knowledge of SQL is a must. SQL Technologies that are desired are MySQL, PostGres, Oracle
• Experience in state management libraries like Redux and MobX
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Familiarity with various component libraries and design systems
• Proficient in using media queries and CSS frameworks like bootstrap or foundation for implementing responsive web design patterns in the applications
• Knowledge of common JavaScript design patterns
• Experience in owning Code Quality and Code Review processes
• Experience on Node.js is an advantage
• Work "in the trenches" with junior developers to implement large features that wow our clients
• Partner with Managers, Business Analysts, and test analysts to develop realistic implementation plans with a focus on quality, sustainability, and delivering value to our clients
• Stand up for coding best practices that ensure quality products: automated testing, unit testing, agile development, continuous integration, code reviews, and technical design
• Improve technical skills of self and the team
• Research industry trends and web technologies, and promote adoption of best-in-class web tools and technologies
• Understand client business issues and actively participate in designing solutions and features that meet client needs
• Take initiative to advance the quality, responsiveness, architecture, or design of our solution, if you want to make it happen you can.
• Excellent organizational and task management skills
• Strong oral and written communication skills
• Ability to work in global cross-office teams
• Fluency in English is required

Title

Full Stack MERN/ MEAN Tech Lead

Location

Bangalore

About the company

With over a decade of experience, we specialize in crafting bespoke integration solutions and empowering businesses across the globe with a combined approach to emerging technology. We use cutting edge enterprise platforms - Microsoft, Salesforce, SAP and more Since our establishment in 2004, with our headquarters located in Tampa, USA, eCosmos has been extending global reach and domestic support to a diverse range of organizations, from start-ups to Fortune 500 companies

. Job Summary:

The Lead Developer provides technical expertise which requires a working knowledge of the technical infrastructure underpinning the applications. Plans, consults, and coordinates complex project assignments in the design, development and implementation of applications software. Works as part of a service or project team to implement complex technical solutions that meet business requirements. Responsible for contributing to the planning of the work programs and the review, development, and modification of best practices and technical solutions. Provides supervision to a team of Developers

. What success looks like in this role:

• You will lead a team of 5-10 developers building web apps with React, Node.js, Express and MongoDB, and mobile apps with React Native.

• Architect scalable and high-performance web and mobile apps using proven JavaScript stacks like MERN and MEAN

• Establish best practices for web and mobile development, code quality, testing, and CI/CD

• Proficiency in TypeScript is required to develop and maintain the front-end and back-end of our web applications.

• Plan sprints, assign tasks, and oversee code reviews, testing, and releases

• Troubleshoot and debug applications across the stack

• Manage technical debt and spearhead migrations to new libraries/frameworks when needed

• Hire and mentor developers and promote an engineering culture of learning and excellence.

Skills Required:

• Excellent communication skills, both written and oral.

• Quick problem-solving skills with exceptional aptitude and reasoning. • Good orator, presenter with influencing skills to manage and negotiate complex conflicting resolutions.

• Ability to frame ideas in words to provide a perspective and outcome from analyzing them.

• Experience in leading, managing, mentoring a team of junior developers.

You will be successful in this role if you have:

: • Bachelor's in engineering (B.E or BTech.), MCA.

• 5+ years' experience leading web and/or mobile engineering teams

• Deep expertise with JavaScript, Node.js, React, React Native, and MongoDB • Experience building web apps with MERN or similar stacks • Experience building mobile apps with React Native or similar frameworks

• Excellent verbal and written communication skills

• Comfortable with Agile methodologies like Scrum and Kanban

• Strong leadership skills and commitment to building a world-class engineering team

Compensation & Benefits:

For the right candidate, e-Cosmos is ready to provide an extremely competitive salary and added incentive bonus potential

. e-Cosmos provides an attractive and complete benefits package:

✓ Accidental Death & Dismemberment Insurance

✓ Training and certification assistance

✓ Employee referral bonus program

✓ Vertical and Lateral increments

ETHICS COMPLIANCE:

: e-Cosmos is firmly committed to conducting business in compliance with the letter and spirit of the law and other accepted standards of business conduct as reflected in the company's policies.

DigiXHub is one of the well known Blockchain Application Development Company in USA & India that provides solutions such as Blockchain Development(Public, private, Consortium Blockchain), Cryptocurrency Exchanges, ICO & ICO Marketing Services, Cryptocurrency Wallet Development, Smart contract Development etc.

For more details, please log on to http://www.DigiXhub.com" target="_blank">www.DigiXhub.com.

Work Location: Remote

Work Experience : 2 to 7 years

 
Required Skill set : ReactJs, NodeJS

Immediate Joiner Preferred.

We are looking for a Full Stack Developer (MERN Stack). Passionate about programming end to end, i.e both frontend and backend modules and applications. Open and keen to learn new technologies.

Job Description

• Develop interactive, user-friendly applications using the latest frameworks
• Translate designs and wire-frames into high quality and responsive screens
• Developing Front-End and Back-end Web Application
• Creating servers and databases for functionality
• API design, creation and integrations
• Staying abreast of developments in web applications, app development and programming languages

Desired Candidate Profile

• Must have strong knowledge of Object-Oriented JavaScript
• Experience building applications in React and Node.js
• Design, modify, develop, test and implement flawless and clean code
• Experience with MongoDB and MYSQL
• Good knowledge of coding standards, design patterns and unit testing.
• Experience in API design and development
• Expertise in building secure, scalable & reliable systems
• Understanding of libraries like Next.js, Jquery, Adonis.js(optional)
• Good knowledge of CSS and HTML
• Experience working with GIT
• Experience with RESTful APIs