UI Developer

Loop Subscriptions is looking for an experienced and highly motivated Senior Software Engineer to help us build delightful subscription products for our users. You will be responsible for the server-side web application logic and architecture, integration with e-commerce platforms, as well as supporting the front-end in their integration of the API. If you have a passion for programming to build beautiful, innovative applications, are looking for challenges, and want to be part of the highly growing subscription economy, then you will love this job and its responsibilities and opportunities:

Responsibilities:

• Own the technology initiatives, feature sprints, and ensure timely releases.
• Architect, design, and maintain the technology stack and infrastructure of the assigned suite of products.
• Work with product and engineering teams to understand the roadmap priorities, innovate, and evolve the Loop's platform.
• Creating and maintaining documentation of tech infrastructure, APIs, and feature implementations; motivating the team to document before implementing.
• Ensure the stability, scalability, and security of the platform to provide the best experience to our customers.
• Drive a culture of technical excellence and continuous improvement. Identify and introduce new technologies that elevate the platform.

Requirements:

• Min 4+ years of strong hands-on experience and background in Software Engineering.
• Strong experience developing applications in NodeJS + ReactJS + Typescript.
• Strong experience with SQL databases (MySQL preferred).
• Experience in the design of new solutions and architectures, and CI/CD automation.
• Customer-oriented and sensitive to end-user experience.
• Strong experience in designing, integrating, and developing web services and REST/JSON APIs.
• Experience with cloud computing technologies and services (Amazon AWS).
• Good analytical, problem-solving skills, and willingness to investigate complex problems.
• Manage the ambiguity associated with execution in a fast-paced and v

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

Job Profile

A NodeJs developer will be required to deploy and maintain network applications. Manage the exchange of data between servers and users, develop back-end components, and connect applications with other web services. Will also act as a support front-end developer by integrating web-based applications in Angular. With good hand's on experience in Rational Database i.e. MySQL & PostgreSQL.

Desired Candidate Profile

• Minimum 3+ years experience on Node JS
• Mandatory experience of 2 years in Angular 2 & above
• Experience on Bootstrap or any other JS Framework
• Very good knowledge of rational databases MySQL & PostgreSQL
• Good Knowledge of MongoDB.
• Excellent on web technologies including HTML, CSS, JavaScript, AJAX jQuery
• Experience in common third-party APIs
• Strong debugging skills
• Strong analytical skills and problem-solving aptitude

Excellent English writing and speaking skills are a must

Annual CTC : INR. 5,00,000/- to INR. 10,00,000/-

Required Experience and Skills:

• Hands-on experience in ReactJS 6.x+, HTML5, CSS, Bootstrap, Node js
• 1+ years of experience in cross-browser compatible responsive web application development using React.
• Good knowledge about Reactive programming using RxJS and Redux.
• Knowledge and use of Restful web services, Gulp / Grunt.
• Experience working with debugging/testing tools like Firebug Lite, Chrome or Safari web inspectors.
• Version Control – GIT
• Servers / Application frameworks – Apache / Nginx / ExpressJS
• Selecting and deploying appropriate CI/CD tools
• Strive for continuous improvement and build continuous integration, continuous development, and constant deployment pipeline (CI/CD Pipeline)

Responsibilities:

• Ability to translate Wireframes and PSD to high quality designs and functional web apps using HTML5, ReactJS, Node.js, and Mongo
• Develop interactive, user-friendly applications using the ReactJS
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• Architect scalable web architectures
• Developing for Back-end Web Applications using NodeJS and Express
• Creating servers and databases for functionality
• API design, creation and integrations
• Staying abreast of developments in web applications, app development and programming languages
• Effective communication with different stakeholders.

Responsibilities 

- Responsible to translate the design wireframe to WordPress/Opencart/Ecommerce frameworks with the help of Component, Plugins and modules.

- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)

- Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

- Responsible for handling WordPress and its components / plugins upgrade , customization / creation of web application and portal development independently.

- Should have a strong understanding of Logic and Data Structure.

- Passion for best design and coding practices and a desire to develop new bold ideas.

- Code and modify custom applications using CMS Platforms.

- Responsible for both back - end and front - end development , including Modifying WordPress themes and plugins.

- Strong MySQL database skills.

- Comfortable working with front - end technologies (HTML , CSS , Jquery , JavaScript)

- Experience of CMS like Wordpress , Opencart , Magento.

- The candidate should have a strong understanding of industry trends and content management systems.

- Experience with responsive and adaptive design is strongly preferred.

- Also , an understanding of the entire web development process , including design , development , and deployment is preferred.

- Having experience of WooCommerce Customization , WooCommerce develops / modify add - ons , WooCommerce API , Wordpress / WooCommerce Webhooks , WooCommerce Payment Gateway development and Wordpress API.