Suraj Pratap, Developer in New Delhi, Delhi, India
Suraj is currently unavailable

Suraj Pratap

Bio

Suraj is a full-stack developer who has worked with fast-growing startups and large enterprises to develop software from blueprints to working prototypes to highly scalable and optimized applications. He believes that combining test-driven development and continuous integration is the sure-shot path to developing bug-free and manageable software. Suraj is a master at AI and machine learning (ML).

Portfolio

Bilt Technologies Inc
React, TypeScript, Next.js, Redux, Artificial Intelligence (AI), AI Chatbots...
Urbint, Inc.
React, Next.js, Tailwind CSS, Jest, Cypress, TypeScript, JavaScript, Storybook...
Yara International - Digital AG Solutions
React Native, Node.js, Geolocation, Jest, PostgreSQL, Amazon S3 (AWS S3)...

Experience

  • Node.js - 12 years
  • Full-stack - 12 years
  • Ruby on Rails (RoR) - 11 years
  • TypeScript - 10 years
  • React - 8 years
  • React Native - 8 years
  • Technical Leadership - 6 years
  • AI-augmented Software Engineering (AIASE) - 2 years

Preferred Environment

Full-stack, TypeScript, Node.js, React, React Native, Ruby, Ruby on Rails (RoR), JavaScript, Technical Leadership, Artificial Intelligence (AI)

The most amazing...

...thing I've coded is an algorithm to calculate the price of booking a private plane, taking into consideration 20 different constraints related to aviation.

Work Experience

Senior Front-end Developer (React/TypeScript)

2025 - 2025
Bilt Technologies Inc
  • Developed an Apple Messages integration for the iOS app.
  • Integrated the support system with an AI-based service.
  • Contributed to a React Native app that had over a million concurrent daily users.
Technologies: React, TypeScript, Next.js, Redux, Artificial Intelligence (AI), AI Chatbots, Retrieval-augmented Generation (RAG), RESTFul APIs, API Architecture, Asynchronous Development, Fintech, Banking & Finance, Mobile Security, Expo, RabbitMQ, FastAPI, Cloud Storage, Performance Optimization, Scalability, Microservices Architecture, Caching, Animation, Minimum Viable Product (MVP), AI Integration, Agentic AI, Classification, Conversational Agent, OpenAI, Workflow Automation, Stripe API, Payment Processing, identity verification, Design, AWS Lambda, Selenium, Claude Code, Vercel, Payments, Third-party Integration, User Experience Design, Supabase, Google Maps SDK, Mapbox, Social APIs, Recoil, React Testing Library, Best Practices, Scaling, Replit, SQLite, COPPA, Mobile Apps, Mobile Back-end, Backup & Recovery, Code Auditing, Identity & Access Management (IAM), Infrastructure, System Architecture, LangChain, Vector Databases, Framer Motion, GSAP, Luxury, Data Engineering, Automation, Claude, Data Build Tool (dbt), Data Modeling, Data Transformation, Data Warehousing, ETL Pipelines, LLM Integration, Snowflake, UI Components, Lottie, AI-assisted Development, AI Enablement, AI Tools, Cursor AI, System Development Life Cycle (SDLC), Generative Artificial Intelligence (GenAI), Product Management, Prompt Engineering, Ansible, Go, Azure, Legacy Code, Agentic RAG Systems, Large Language Model Operations (LLMOps), Large Language Models (LLMs), Open-source LLMs, LangGraph, Model Context Protocol (MCP), LlamaIndex, AI Agents, AI Voice Agents, Document Management Systems (DMS), CRM, Supabase Auth, Workflow Automation & System Integration, ERP Systems, RAG Systems, Twilio, Twilio API, Zapier, Voiceflow, Salesforce Commerce Cloud, API Gateways, React Hooks, Microfrontends, Amazon Bedrock, n8n, Fractional CTO, Team Management, Database Management, Platforms, Vibe Coding, Gemini API, Codex, QuickBooks API, Compliance, Scalable Application, Scalable Platforms, Ajax, Mobile App Development, React Query

Front-end Senior Software Engineer

2023 - 2025
Urbint, Inc.
  • Developed a work safety solution called energy-based observation (EBO) for workers in hazardous energy-based jobs.
  • Engineered a tool to generate dynamic forms and workflows.
  • Contributed to multiple UI components in the React library that the company uses.
Technologies: React, Next.js, Tailwind CSS, Jest, Cypress, TypeScript, JavaScript, Storybook, Sass, Firebase, GraphQL, Payment APIs, Queuing Systems, User-centered Design (UCD), User Experience (UX), User Interface (UI), Databases, Redis, CircleCI, Cloud Infrastructure, GitHub Actions, Engineering Management, IT Management, Coaching, Scrum, Project Management, GitHub, Third-party APIs, ECMAScript (ES6), Large-scale Projects, HTTP, Docker Compose, Tailwind UI, BullMQ, tRPC, Artificial Intelligence (AI), Mentorship, Canvas, RESTFul APIs, API Architecture, Asynchronous Development, Expo, FastAPI, Cloud Storage, Performance Optimization, Scalability, Microservices Architecture, Animation, Minimum Viable Product (MVP), Workflow Automation, Stripe API, Payment Processing, Image Generation, Design, AWS Lambda, Selenium, Claude Code, Vercel, Payments, Third-party Integration, User Experience Design, Supabase, Google Maps SDK, Mapbox, Social APIs, Recoil, React Testing Library, Best Practices, Scaling, SQLite, COPPA, Mobile Apps, Mobile Back-end, Backup & Recovery, Identity & Access Management (IAM), Infrastructure, Framer Motion, GSAP, Luxury, Data Engineering, Snowflake, UI Components, Lottie, Generative Artificial Intelligence (GenAI), Product Management, Prompt Engineering, Legacy Code, Agentic RAG Systems, Large Language Model Operations (LLMOps), Large Language Models (LLMs), Open-source LLMs, LangGraph, Model Context Protocol (MCP), LlamaIndex, AI Agents, AI Voice Agents, Document Management Systems (DMS), CRM, Supabase Auth, Workflow Automation & System Integration, ERP Systems, RAG Systems, Twilio, Twilio API, Zapier, API Gateways, React Hooks, Microfrontends, Fractional CTO, Team Management, Database Management, Platforms, Claude, QuickBooks API, Ajax, Mobile App Development, React Query

Senior Software Developer

2021 - 2023
Yara International - Digital AG Solutions
  • Developed and launched the Yara retailer loyalty app in four different markets.
  • Involved in launching an eCommerce platform with multiple services in India, Kenya, Indonesia, and Thailand.
  • Managed the tech team tasked with the eCommerce platform developed for Yara International.
  • Took responsibility for creating tasks and stories; developed solutions for business requirements.
Technologies: React Native, Node.js, Geolocation, Jest, PostgreSQL, Amazon S3 (AWS S3), Next.js, Management, Team Leadership, Architecture, GraphQL, SQL, Software Architecture, Roadmaps, Full-stack, REST APIs, HTML5, API Integration, Tailwind CSS, Front-end, Storybook, Microservices, System Design, CI/CD Pipelines, Event-driven Architecture, JSON REST APIs, Chatbots, Code Review, Remote Team Leadership, Prisma, RPC, Scalable Architecture, Leadership, Mobile Development, Technical Leadership, Google Maps, Responsive, Testing, UX Design, Consulting, Back-end, Amazon RDS, MySQL, Figma, Headless Commerce, Software Design, Full-stack Development, Cloud, Flexbox, Front-end Development, Back-end Development, Web Development, Material UI, User Authentication, Security, NoSQL, Serverless, Bitbucket, ESLint, API/Services Architecture, MongoDB, JavaScript 6, Facebook API, AWS SDK, React Apollo, HTML5 Geolocation, REST, Apollo Server, Docker, SaaS, Unit Testing, Cross-browser Compatibility, Data Structures, Integration, WebStorm, Git, Xcode, RubyMine, Test-driven Development (TDD), Algorithms, Express.js, Webpack, Contentful, eCommerce, Apollo, Software Development Lifecycle (SDLC), Sass, Data Cleansing, Mobile First, Payment APIs, Progressive Web Applications (PWAs), Queuing Systems, Startups, User-centered Design (UCD), MERN Stack, User Experience (UX), User Interface (UI), Nuxt.js, Databases, Redis, CircleCI, Cloud Infrastructure, GitHub Actions, System Architecture, Engineering Management, IT Management, Team Mentoring, Coaching, Scrum, Project Management, GitHub, Third-party APIs, ECMAScript (ES6), Large-scale Projects, HTTP, Docker Compose, Tailwind UI, BullMQ, tRPC, Artificial Intelligence (AI), ChromaDB, Mentorship, RESTFul APIs, API Architecture, Asynchronous Development, Expo, RabbitMQ, FastAPI, Cloud Storage, Performance Optimization, Scalability, Microservices Architecture, Role-based Access Control (RBAC), Caching, Animation, Minimum Viable Product (MVP), Workflow Automation, Vercel, Third-party Integration, User Experience Design, Supabase, Google Maps SDK, Mapbox, Social APIs, Best Practices, Scaling, SQLite, Snowflake, Legacy Code, API Gateways, Microfrontends, Fractional CTO, Team Management, Database Management, Mobile App Development, React Query

Senior Software Developer

2017 - 2020
Infuse
  • Served as a full-stack developer on a healthcare industry project requiring HIPAA compliance.
  • Built parts of Pryze.com as a full-stack developer and created blockchain smart contracts.
  • Co-developed multiple point-of-sale and accounting software products using Clover.
  • Built multiple mobile applications using React Native.
  • Co-developed and maintained an enterprise-level back end using RoR.
Technologies: Blockchain, Ruby on Rails (RoR), Angular, React Native, React, Node.js, Ruby, PostgreSQL, CSS, Amazon Web Services (AWS), Amazon S3 (AWS S3), AWS Elastic Beanstalk, APIs, JavaScript, Management, Team Leadership, Architecture, GraphQL, SQL, Software Architecture, Roadmaps, Full-stack, REST APIs, HTML5, API Integration, Front-end, Storybook, Microservices, CI/CD Pipelines, Event-driven Architecture, JSON REST APIs, Chatbots, Code Review, Remote Team Leadership, Prisma, RPC, Java, Scalable Architecture, Leadership, Mobile Development, Technical Leadership, Google Maps, Responsive, Social Media APIs, Testing, UX Design, Consulting, Data Visualization, Back-end, Amazon RDS, MySQL, Software Design, 3D Animation, 3D, Full-stack Development, Cloud, Flexbox, RxJS, Front-end Development, Back-end Development, Web Development, Material UI, Formik, User Authentication, Security, NoSQL, Bitbucket, ESLint, API/Services Architecture, JavaScript 6, AWS SDK, REST, Apollo Server, Docker, SaaS, Unit Testing, Cross-browser Compatibility, Data Structures, Integration, WebStorm, Git, Xcode, RubyMine, Test-driven Development (TDD), Algorithms, Express.js, Webpack, Automated Testing, Live Chat, Sidekiq, Software Development Lifecycle (SDLC), Sass, Data Cleansing, Heroku, Mobile First, Payment APIs, Queuing Systems, Startups, User-centered Design (UCD), MERN Stack, User Experience (UX), User Interface (UI), Vue, Django, Nuxt.js, Databases, Redis, Algorithmic Trading, CircleCI, Cloud Infrastructure, GitHub Actions, Trading Systems, System Architecture, WebSockets, Serverless Architecture, Engineering Management, IT Management, Team Mentoring, Scrum, GitHub, Third-party APIs, ECMAScript (ES6), Large-scale Projects, HTTP, Docker Compose, Tailwind UI, Amazon DynamoDB, BullMQ, Cloud Storage, Performance Optimization, Scalability, Role-based Access Control (RBAC), Regulatory Technology (Regtech), Microfrontends, Healthtech, Casinos & Gaming, Gambling, iGaming, Cryptocurrency Payments

React Developer

2017 - 2017
Softasy
  • Developed a full-fledged React, Redux, and React Router template for the client.
  • Incorporated the Parse SDK for JavaScript into the project.
  • Created admin dashboards with in-line editing features.
  • Incorporated the Stripe API for payments management.
  • Built an "Analyze Data" section with line charts using D3.js.
Technologies: D3.js, Stripe, Dashboards, Charts, React Router, Redux, React, Ruby, PostgreSQL, CSS, APIs, JavaScript, SQL, Full-stack, REST APIs, HTML5, API Integration, Front-end, CI/CD Pipelines, JSON REST APIs, Code Review, RPC, Responsive, Testing, Consulting, Back-end, Amazon RDS, MySQL, Software Design, Full-stack Development, Cloud, Flexbox, RxJS, Front-end Development, Back-end Development, Web Development, User Authentication, Security, Bitbucket, ESLint, REST, Firebase, Unit Testing, Data Structures, Integration, WebStorm, Git, RubyMine, Test-driven Development (TDD), Algorithms, Express.js, Webpack, Sidekiq, Software Development Lifecycle (SDLC), Sass, Data Cleansing, Heroku, Mobile First, Payment APIs, Google Cloud, Startups, User-centered Design (UCD), Databases, Redis, GitHub, Third-party APIs, HTTP, Docker Compose

Senior Software Developer

2016 - 2017
Zinier Inc
  • Oversaw and managed the back end in Ruby Unit Tests.
  • Created a framework to create dynamic mobile app components from the back end.
  • Played a major role in curating the development lifecycle. Oversaw code reviews and continuous deployment.
  • Decreased the load time for business-critical pages by 60% using lazy loading at the front end and SQL optimization at the back end.
  • Covered the main iOS app to use React with unit tests.
Technologies: React Native, React, Ruby on Rails (RoR), Ruby, PostgreSQL, CSS, Amazon Web Services (AWS), Amazon S3 (AWS S3), AWS Elastic Beanstalk, APIs, JavaScript, SQL, Software Architecture, Full-stack, REST APIs, HTML5, API Integration, iOS, Android, Mobile, Sound, Front-end, CI/CD Pipelines, JSON REST APIs, Code Review, Mobile Development, Google Maps, Responsive, Testing, Consulting, Back-end, Amazon Cognito, Video Streaming, Amazon RDS, MySQL, Full-stack Development, Bootstrap UI, RxJS, Front-end Development, Web Development, SAML, Security, REST, Unit Testing, Data Structures, Git, RubyMine, Test-driven Development (TDD), Sidekiq, Software Development Lifecycle (SDLC), Heroku, Google Cloud, Startups, Grafana, Databases, GitHub, Shopify API

Senior Software Developer

2014 - 2016
JetSetGo
  • Managed revamping the front end to use AngularJS and become a single-page application.
  • Wrote the algorithm to book a private plane, taking into consideration about twenty different constraints related to the aviation industry.
  • Created a framework to work with SVG images and modify sections of them on demand.
  • Oversaw code reviews and continuous deployments of the back and front end.
  • Created a framework for sending marketing emails periodically.
Technologies: AngularJS, Ruby on Rails (RoR), Ruby, PostgreSQL, Amazon Web Services (AWS), Amazon S3 (AWS S3), AWS Elastic Beanstalk, APIs, JavaScript, SQL, Software Architecture, REST APIs, HTML5, Front-end, Python, CI/CD Pipelines, JSON REST APIs, Code Review, Mobile Development, Google Maps, Responsive, Cypress, Testing, MySQL, CoffeeScript, Data Structures, Git, SEO Tools, Google SEO, DevOps, Google Cloud Platform (GCP), Google Cloud, Startups, Databases, Shopify API, Ruby on Rails 2

Web Developer

2014 - 2014
StartxLabs
  • Oversaw handing over ten contracted projects over a year.
  • Led Ruby on Rails development lifecycle in the company.
  • Managed and helped in front-end development for various projects.
Technologies: CSS, HTML, jQuery, Ruby on Rails (RoR), Ruby, Content Management Systems (CMS), Amazon S3 (AWS S3), AWS Elastic Beanstalk, APIs, JavaScript, SQL, Chrome Extensions, Casino Games, Front-end, NestJS, CI/CD Pipelines, JSON REST APIs, Code Review, Responsive, Cypress, Bootstrap UI, CoffeeScript, Salesforce API, Data Structures, Git, SEO Tools, Google SEO, Ruby on Rails 2

Experience

YaraBodega

https://yarabodega.com/
An eCommerce platform that can send and receive messages on WhatsApp, Line, and SMS and can be extended to any other message platform. The platform was built from scratch in-house using a microservices architecture.

Zinier

https://zinier.com
Zinier is a communications software product that helps large-scale enterprises improve their day-to-day operations. As a senior developer, I was actively involved in every facet of product development.

GetReady

GetReady is a healthcare app. I worked on multiple parts of the project including the back end in Ruby on Rails, the web app in Angular, and mobile apps in React Native. The project involved a significant microservices architecture.

JetSetGo

JetSetGo is known as Uber for private planes in India. Serving as a senior software developer, I was responsible for completely revamping the back end and front end to make it possible to scale rapidly.

Pryze

Pryze is the first sweepstakes platform that has been proved as fair. It was built on Ethereum and dramatically reduces the costs of running a sweepstake. Working on the project gave me the opportunity to learn and implement features using blockchain.

Dr Libby

https://www.drlibby.com
Drlibby.com is a platform that aims to educate, inspire, and enhance people's health and happiness through the interplay between nutrition, emotions, and biochemistry. As a back-end developer, I created a RESTful API layer that was to be consumed by the Angular front end. I also designed the back-end architecture and coded the core business logic.

Scooter Rails

Scooter Rails is a plugin that includes Dropbox's open source front-end framework in Rails. I created this to build reusable components to rapidly build and deploy Ruby on Rails applications as a proof of concept.

DataStructs

This is a high-performance data structures library built in Ruby. I created this while learning the concepts of artificial intelligence and realized the need for high-performance data structures in many use cases.

ShopQwiker

ShopQwicker is the easiest way to buy groceries online. I built the interface for vendors to manage their inventories, orders, and payments while working with them. The interface was built using React, Redux, and React Router. It was a single-page application connected with a parse server at the back end.

AI-based Worker Safety Application

https://www.urbint.com
Urbint uses artificial intelligence to predict threats to workers and critical infrastructure and stop incidents before they happen. Urbint solutions identify threats in advance and enable you to take action to keep your workers and community safe.

I was involved in front-end development of the client-facing app.

Education

2010 - 2014

Bachelor's Degree in Computer Science

YMCA University of Science and Technology - Faridabad, India

Skills

Libraries/APIs

REST APIs, React, Node.js, Formik, React Testing Library, Twilio API, React Query, Facebook API, Google Maps, jQuery, Social Media APIs, WebGL, Three.js, Flexbox, RxJS, Sidekiq, Vue, Shopify API, Stripe API, Google Maps SDK, Social APIs, Framer Motion, QuickBooks API, React Router, Stripe, D3.js, Salesforce API, GSAP

Tools

Postman, Prisma, Bitbucket, GitHub, Expo, Claude, Zapier, AWS SDK, WebStorm, RubyMine, React Apollo, Amazon Cognito, Figma, Webpack, Grafana, CircleCI, Docker Compose, RabbitMQ, Claude Code, n8n, Codex, Git, Xcode, IntelliJ IDEA, Canvas, Ansible

Languages

HTML, CSS, TypeScript, JavaScript, Ruby, GraphQL, HTML5, Python, ECMAScript (ES6), JavaScript 6, Swift, SQL, CoffeeScript, SAML, Sass, Snowflake, Objective-C, TypeScript 3, Java, Go

Frameworks

Redux, Angular, Ruby on Rails (RoR), React Native, Next.js, Tailwind CSS, NestJS, Material UI, Express.js, LangGraph, Jest, AngularJS, Cypress, Django, Nuxt.js, tRPC, Ruby on Rails 2, Selenium, LlamaIndex, Recoil

Paradigms

Management, Microservices, Mobile Development, Responsive, Unit Testing, API Architecture, Microservices Architecture, Role-based Access Control (RBAC), Model Context Protocol (MCP), Microfrontends, REST, Agile, Event-driven Architecture, Testing, UX Design, API/Services Architecture, Responsive Web Design (RWD), Test-driven Development (TDD), Serverless Architecture, Scrum, Asynchronous Development, Best Practices, Automation, Scalable Application, Back-end Architecture, RESTful Development, Automated Testing, DevOps

Platforms

Amazon Web Services (AWS), Firebase, iOS, Android, Replit, Vercel, Twilio, Docker, MacOS, Linux, AWS Elastic Beanstalk, Kubernetes, Mobile, Google Cloud Platform (GCP), Heroku, AWS Lambda, Mapbox, Azure, Voiceflow, Blockchain, Ethereum, Apache Kafka, Dropbox, Contentful, Shopify

Storage

MySQL, Databases, Redis, SQLite, Database Management, Amazon S3 (AWS S3), MongoDB, PostgreSQL, NoSQL, Google Cloud, Amazon DynamoDB, Salesforce Commerce Cloud

Industry Expertise

Project Management, System Development Life Cycle (SDLC), Trading Systems, Banking & Finance

Other

Front-end Development, Full-stack, Algorithms, APIs, Team Leadership, Architecture, Software Architecture, Roadmaps, API Integration, Front-end, CI/CD Pipelines, JSON REST APIs, Chatbots, Code Review, Leadership, Technical Leadership, Consulting, Back-end, Amazon RDS, Software Design, 3D Animation, Full-stack Development, Back-end Development, Web Development, Artificial Intelligence (AI), ESLint, Integration, Software Development Lifecycle (SDLC), AI-augmented Software Engineering (AIASE), Queuing Systems, Startups, MERN Stack, User Interface (UI), System Architecture, WebSockets, Engineering Management, IT Management, Third-party APIs, HTTP, Tailwind UI, BullMQ, Mentorship, RESTFul APIs, Fintech, Caching, Minimum Viable Product (MVP), AI Integration, Agentic AI, Workflow Automation, Scaling, Code Auditing, Identity & Access Management (IAM), LangChain, Lottie, AI-assisted Development, AI Enablement, AI Tools, Cursor AI, Generative Artificial Intelligence (GenAI), Product Management, Prompt Engineering, Legacy Code, Agentic RAG Systems, Large Language Models (LLMs), AI Agents, AI Voice Agents, Document Management Systems (DMS), CRM, Supabase Auth, Workflow Automation & System Integration, ERP Systems, RAG Systems, API Gateways, React Hooks, Fractional CTO, Healthtech, Team Management, Vibe Coding, Gemini API, Mobile App Development, Dashboards, Apollo Server, Content Management Systems (CMS), Chrome Extensions, Casino Games, Storybook, System Design, Remote Team Leadership, RPC, Scalable Architecture, Data Visualization, Headless Commerce, Cloud, Bootstrap UI, User Authentication, Security, Serverless, SaaS, Responsive Design, Cross-browser Compatibility, Data Structures, Live Chat, eCommerce, Apollo, Data Cleansing, Mobile First, Payment APIs, Progressive Web Applications (PWAs), User-centered Design (UCD), User Experience (UX), Algorithmic Trading, Cloud Infrastructure, GitHub Actions, Team Mentoring, Large-scale Projects, AI Chatbots, ChromaDB, Retrieval-augmented Generation (RAG), Mobile Security, FastAPI, Cloud Storage, Performance Optimization, Scalability, Animation, Applicant Tracking Software (ATS), Classification, Conversational Agent, OpenAI, Payment Processing, identity verification, Image Generation, Design, Payments, Third-party Integration, User Experience Design, Supabase, COPPA, Mobile Apps, Mobile Back-end, Backup & Recovery, Infrastructure, Vector Databases, Luxury, Data Engineering, Data Modeling, Data Transformation, Data Warehousing, ETL Pipelines, LLM Integration, UI Components, Large Language Model Operations (LLMOps), Open-source LLMs, Casinos & Gaming, Gambling, iGaming, Platforms, Cryptocurrency Payments, Compliance, Scalable Platforms, Ajax, Charts, Enterprise Software, Software Development, Geolocation, HTML5 Geolocation, Computer Science, Operating Systems, MacBook, Sound, Video Streaming, 3D, Machine Learning, SEO Tools, Google SEO, Coaching, Regulatory Technology (Regtech), Data Build Tool (dbt), Amazon Bedrock

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

1

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring