Fullstack Developer

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

Must Have Experience:

 Min 5 years of strong experience in Java/J2EE technologies

 Core Java, Spring / Spring Boot / React / Hybrid / Mobile

 Hibernate / JPA / JDBC

 Experience with web application environments like Eclipse, Tomcat and

WebLogic/WebSphere.

 Experience with tools like Git / SVN, Maven etc.

 Must have knowledge of Oracle Database / MS SQL Database.

 Should be able to do efforts estimation

 Should have done customer interaction

 Must have handled the team of 7-8 developers & testers

 Prepare / Review the document

•  Code Review

We are looking for a highly skilled Senior Software Engineer with over 5 years of experience in full stack development using React.js and Node.js. As a senior member of our engineering team, you’ll take ownership of complex technical challenges, influence architecture decisions, mentor junior developers, and contribute to high-impact products.

Key Responsibilities:

Design, build, and maintain scalable web applications using React.js (frontend) and Node.js (backend).

Architect robust, secure, and scalable backend APIs and frontend components.

Collaborate closely with Product Managers, Designers, and DevOps to deliver end-to-end features.

Conduct code reviews, enforce best practices, and guide junior developers.

Optimize application performance, scalability, and responsiveness.

Troubleshoot, debug, and upgrade existing systems.

Stay current with new technologies and advocate for continuous improvement.

Required Qualifications:

Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.

5+ years of experience in full stack development.

Strong expertise in React.js and related libraries (Redux, Hooks, etc.).

In-depth experience with Node.js, Express.js, and RESTful APIs.

Proficiency with JavaScript/TypeScript and modern frontend tooling (Webpack, Babel, etc.).

Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB).

Solid understanding of CI/CD, testing (Jest, Mocha), and version control (Git).

Familiarity with cloud services (AWS/GCP/Azure) and containerization (Docker, Kubernetes) is a plus.

Excellent communication and problem-solving skills.

Nice to Have:

Experience with microservices architecture.

Knowledge of GraphQL.

Exposure to serverless computing.

Prior experience working in Agile/Scrum teams.

If interested please apply on ( https://candidate.hirezy.ai/job/12ORRzQ)

Responsibilities:

• Participate in the development and support of the .NET applications across diverse technology stacks.
• Independently maintain, troubleshoot, and enhance legacy .NET applications
• Build and Enhance applications using Latest .NET Technologies using Microservices architecture
• Deploy application fixes using Devops pipeline using GitHub actions and other CI tools
• Investigate and fix bugs, optimize performance, and ensure system reliability.
• Implement enhancements to meet customer needs while maintaining backward compatibility.
• Support data migration and customer transition to a cloud-based product.
• Collaborate with product, support, and operations teams to ensure a stable and effective product experience.
• Provide long-term technical support and modernization recommendations where appropriate.

Skills Required

• Proven experience working with legacy and Modern.NET applications (C# .NET, ASP.NET, Web Services, Microservices, Entity Framework, XML, Json).
• Hands-on experience with .NET, JavaScript, HTML5 and Angular is Mandatory.
• Comfortable working with older codebases and understanding existing system logic.
• Experience with SQL Server (stored procedures, optimization, and maintenance).
• Willingness to focus on support, maintenance, and incremental improvements rather than greenfield development.
• Strong problem-solving skills and a practical approach to software maintenance.
• Strong debugging skills and the ability to diagnose and resolve production issues efficiently.
• Prior experience with enterprise or long-standing software products is a plus.
• Must be detail-oriented, patient, and committed to long-term product stability.
• Experience with upgrading legacy applications to adhere to modern, up-to-date development standards is a bonus

Flexible to work in EST or Pacific Time Zone

About Us:

We are a cutting-edge startup reshaping the construction management landscape with AI-driven solutions that simplify complex processes and maximise efficiency. Our platform leverages the latest web and mobile technologies to solve real-world challenges for the construction industry, blending innovation with usability. If you're passionate about building scalable systems and love solving problems, we want you on board!

Who You Are:

A tech enthusiast with a knack for both front-end finesse and back-end brilliance. You’re eager to dive into code and bring ideas to life. You think in Angular components, dream in Node.js APIs, and are equally comfortable navigating MongoDB queries as you are crafting mobile interfaces with React Native or Flutter. You thrive in a fast-paced startup environment and have a passion for building things from scratch, continuously optimising for performance, and ensuring scalability.

What You’ll Do:

• Full-stack Magic: Craft seamless, intuitive UIs with Angular and powerful, RESTful backend services using Node.js and MongoDB.
• Mobile Innovation: Build responsive mobile applications using React Native or Flutter—taking our platform to the field and making it accessible from any device.
• End-to-End Development: Own features from brainstorming to deployment—handling everything from database architecture to front-end performance.
• Optimise and Scale: Ensure that our platform is high-performing, scalable, and future-proof. You’ll be part of laying the groundwork for big, exciting growth.
• Collaborate & Conquer: Work closely with our design, product, and AI teams to integrate machine learning and automation features into our platform, pushing the boundaries of what tech can do in construction.

Tech Stack:

• Frontend: Angular for web, React Native for mobile
• Backend: Node.js, Express/Fastify
• Database: MongoDB
• Cloud & DevOps: AWS, Docker, CI/CD pipelines

What You Bring:

• Angular wizardry—you know your way around components, services, and everything in between.
• Node.js expertise—you can build robust, scalable APIs and thrive in an asynchronous environment.
• React Native/Flutter mobile skills—a passion for crafting intuitive mobile experiences.
• MongoDB knowledge—you understand database design, indexing, and aggregation pipelines.
• Code Quality Focus—whether it's writing tests or reviewing pull requests, you're all about clean, maintainable code.
• Experience with Git, CI/CD, and working in an agile, fast-paced team.

Bonus Points For:

• Experience in AI/ML integrations or a curiosity about machine learning’s potential in web and mobile apps.
• Familiarity with GraphQL and modern state management libraries.
• A solid understanding of the construction industry or experience building SaaS products.

Why Work With Us:

• Impact: Be part of a mission-driven startup solving real-world problems in a trillion-dollar industry.
• Innovation: Collaborate with a forward-thinking team to build AI-powered, scalable tools from the ground up.
• Growth: We’re a fast-growing startup, so your career can skyrocket here. Bring your ideas, and we’ll give you the space to make them happen.
• Culture: A collaborative, tech-driven, and fun work environment that values creativity, ownership, and growth.

• Must have 3+ years of hands-on experience in web development using core PHP,Wordpress, CodeIgniter etc
• Must have hands-on experience in front-end using JavaScript (ES6+), HTML, CSS etc.
• Must have experience with design patters such as RESTful, AJAX, and jQuery
• Experience in building responsive web pages
• Proficient understanding of code versioning tools, such as Git
• Should have working knowledge of MySQL database system
• Should have basic programming skills using object-oriented programming (OOP) languages with in-depth knowledge of common APIs and data structures

• Write well designed, testable, efficient quality code.
• Ensure designs are in compliance with specifications.
• Developing and implementing strong algorithms/techniques for solving problems in a
• Frameworks are good, but you should be able to function without them.
• Test and deploy applications and systems.
• Revise, update, refactor, debug code and improve existing software.

• Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo

• Binding of UI elements to JavaScript object models

• Creating RESTful services with Node.js

• Architect scalable web architectures

• 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

• Write code that is cross-platform and cross-device compatible

• Ability to wear many hats and learn new technologies quickly

We are seeking a person to join our tech team, with proficiency in programming languages likeJavaScript, decent understanding of NodeJS and React.js and an abiity to understand business requirements and to translate it into technical requirements.You’ll work closely with top school graduates, ex-McKinsey,BCG, Deloitte, EY, Byju’s, Paytm employees to establish, nurture, and grow business across categories & territories. This is an amazing opportunity to learn from an extraordinary team, grow massively and to help students around the globe build an awesome career for themselves.

What you will do:

• Developing new user-facing features using ReactJS as frontend and NodeJS as backend
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance acrossa vast array of web-capable devices and browsers
• Writing test cases for automated testing
• Deployment of micro services to AWS
• Defining and Architecting a proper structure to any new micro services being added
• Managing and updating already build micro services

What you will need:

• Strong proficiency in JavaScript, including DOM manipulationand the JavaScript object model
• Thorough understanding of React.js and its core principles
• Thorough understanding of NodeJS, Express and itscore principles
• Experience with popular React.js workflows Redux,Saga, Axios
• Experience with popular NodeJS packages like Knex
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Experience with building optimised SQL queries and stored procedures
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelinesand tools
• Experience with common front-end development tools such as Babel, Webpack,NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such as GIT

What you will get:

• Industry-best perks
• A phenomenal work environment, with massive ownershipand growth opportunities
• A bunch of super young & enthusiastic colleagues in Tech/Marketing/PR/Editorial/SocialMedia & Events!
• Quick iterations and deployments – fail-fast attitude
• Opportunity to work on cutting edge technologies, and lead teams in the future
• Access to a world-class mentorship network
• Create a massive, and direct impact of the work you do in the lives of people across the globe

About the Company: At Leverage Edu, we are democratizing access to global opportunities for students everywhere. By helping students make the right career choices withthe aid of information and pathways that they can trust, we are opening doors to opportunities they could not access without the right guidance and support. Making sense of the complex web of courses,colleges, careers, and geographies is a tough task – by leveraging technology but connecting with students at a personal level we help them maximize their potential. To build towards this goal we are looking for people with the ambition and hustle to make the world a smaller place and get people closer to their dream opportunities. We are building at a break-neck speed in one of the fastest-growing industries inthe world and the opportunities for growth are limitless.

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

The Candidate should have knowledge and experience with specified technologies:

• Great at building server-side code in NodeJs & ExpressJs
• Experience with NoSQL databases such as MongoDB
• Experience in building and consuming REST API
• Authentication and authorisation using JWT tokens
• Proficient understanding of code versioning tools, such as Git
• DevOps knowledge especially in AWS EC2 and S3
• Knowledge of headless Chrome, Puppeteer will be huge plus
• Experience in HTML, CSS
• Understanding of React will be a bonus