Fullstack Developer

What You’ll Do:

We’re looking for a Full Stack Software Engineer to join us early, own critical systems, and help shape both the product and the engineering culture from day one.

Responsibilities will include but are not limited to:

• Own end-to-end product development, from user experience to backend integration
• Build and scale a modern SPA using React, TypeScript, Vite, and Tailwind Design intuitive, high-trust UIs for finance workflows (payments, approvals, dashboards)
• Collaborate closely with backend systems written in Go via well-designed APIs
• Translate product requirements into clean, maintainable components and state models
• Optimize frontend performance, bundle size, and load times for complex dashboards
• Work directly with founders and design partners to iterate rapidly on product direction
• Establish frontend best practices around architecture, testing, and developer experience
• Contribute across the stack when needed, including API design and data modeling discussions.

What You’ll Need:

• Strong experience with Go in production systems
• Solid backend fundamentals: APIs, distributed systems, concurrency, and data modeling
• Hands-on experience with AWS, including deploying and operating production services
• Deep familiarity with Postgres, including schema design, indexing, and performance considerations
• Comfort working in early-stage environments with ambiguity, ownership, and rapid iteration
• Product mindset — you care about why you’re building something, not just how
• Strong problem-solving skills and the ability to make pragmatic tradeoffs

Set Yourself Apart With:

• Experience with Tailwind or other utility-first CSS frameworks
• Familiarity with design systems and component libraries
• Experience building fintech or enterprise SaaS UIs
• Exposure to AI-powered UX (LLM-driven workflows, assistants, or automation)
• Prior experience as an early engineer or founder
• product engineering culture from the ground up.

You will:

• Collaborate with the I-Stem Voice AI team and CEO to design, build and ship new agent capabilities
• Develop, test and refine end-to-end voice agent models (ASR, NLU, dialog management, TTS)
• Stress-test agents in noisy, real-world scenarios and iterate for improved robustness and low latency
• Research and prototype cutting-edge techniques (e.g. robust speech recognition, adaptive language understanding)
• Partner with backend and frontend engineers to seamlessly integrate AI components into live voice products
• Monitor agent performance in production, analyze failure cases, and drive continuous improvement
• Occasionally demo our Voice AI solutions at industry events and user forums

You are:

• An AI/Software Engineer with hands-on experience in speech-centric ML (ASR, NLU or TTS)
• Skilled in building and tuning transformer-based speech models and handling real-time audio pipelines
• Obsessed with reliability: you design experiments to push agents to their limits and root-cause every error
• A clear thinker who deconstructs complex voice interactions from first principles
• Passionate about making voice technology inclusive and accessible for diverse users
• Comfortable moving fast in a small team, yet dogged about code quality, testing and reproducibility

Technical & Professional
Requirements

• Reactjs Nodejs developer must know MongoDB, Express, Node.js, & React.
• 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
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• MERN stack developer should know Git Repository
• Integration of data storage solutions [RDBMS, NoSQL DB]

• Implementation of security and data protection
• Elementary knowledge of GRAPHQL
• Understanding of performance testing and optimization techniques
• MERN software developer must have good communication & interpersonal skills
• Ability to work independently with minimum supervision.

Type of Work

• 80% Backend 20% Frontend
• Building SAAS products inhouse and working on SI(System integrator) projects for other SAAS companies

• Graduation in computers –Full-time B.E / B. Tech or an MCA degree (Regular Program, no part-time or long-distances courses).

• High School diploma or GED required 
• A minimum of 5 years’ experience designing and building scalable web based applications 
• Experience with RESTful web services, Java/Spring framework, NodeJS applications, React & Vue Frameworks 
• Strong relational database modeling and SQL experience (Oracle, MSSQL)f 
• Solid knowledge of testing principle and ability to build comprehensive test suite  
• Demonstrated UI design and UX sensibilities 
• Experience in scripting against Windows/Linux i.e. PowerShell, VB or Unix Shell Script, Python  
• Ability to coordinate the release/deployment process and versioning, code, configuration management 
• Experience with Git/Bitbucket and Opensource Tools and Agile methodologies 
• Experience leading software developers on development best practices as a technical lead 
• Experience with using JIRA (for defect tracking and for ITSM ticketing with Incident/Problem/Change)  

• Designing and developing user interfaces using angularJS best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS projects.
• Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.