
Laleet Avaiya
Verified Expert in Engineering
Node.js Developer
Dubai, United Arab Emirates
Toptal member since September 7, 2021
Laleet is a software engineer passionate about modern web development. For the past seven years, he's been building, developing, and supporting various web applications built in React and Angular. Equally capable of leading teams and delivering directly, Laleet has worked with hundreds of developers from different organizations to solve their technical problems and bugs. He learns fast, communicates well, welcomes challenges, and has excellent debugging skills.
Portfolio
Experience
- React - 8 years
- Node.js - 8 years
- React Redux - 7 years
- React Router - 7 years
- Python 3 - 7 years
- Angular - 5 years
- Scala - 4 years
- Heroku - 4 years
Preferred Environment
Slack, Visual Studio Code (VS Code), IntelliJ IDEA, PyCharm, Jira, GitHub, GitLab, Bitbucket, Postman, FastAPI
The most amazing...
...experience I've had is mentoring over 60 developers on an online platform.
Work Experience
Back-end Developer
Carrier - Residential - Mobile Apps Product Management
- Integrated SonarCloud static code analysis across 37+ microservices, establishing automated code quality checks and security scanning in CI/CD pipelines.
- Built and deployed Sage Algorithms Engine using AWS CDK, implementing Step Functions with Lambda functions for anomaly detection algorithms.
- Implemented warranty data import into a Concord system, processing and storing warranty information from external sources with bulk import capabilities.
- Extended GraphQL API to return coordinates for dealers and properties, enhancing location-based query capabilities and spatial data retrieval.
- Extended Concord SDK with dealer and property coordinate support, adding 10+ new models and event types across 15+ repositories.
- Created WillisAI tenant web project to manage tenants and API keys, building an administrative interface for multi-tenant system management.
- Implemented AWS CodeArtifact integration for Python package management, replacing direct WHL file usage in Lambda functions and improving dependency management.
- Implemented dealer synchronization in the event sourcing stack, creating an event-driven architecture for dealer data management with Kafka integration.
- Enhanced Kafka event handling with improved client ID generation, error handling, and logging across event emitter and consumer services.
- Integrated Dealer Service gRPC in GraphQL Layer, connecting microservices through a unified GraphQL interface for improved API consistency.
Full-stack Cloud Developer | AWS
Surna Telehealth Inc.
- Architected a multi-tenant AWS infrastructure using Terraform across six repositories, provisioning isolated development and production accounts with VPCs, RDS, and ECS, and reducing provisioning time by 80%.
- Built a FastAPI back end with 13+ route modules and 97+ REST endpoints, implementing JWT auth, OTP 2FA, and real-time WebSockets for chat, alerts, and file processing.
- Designed a Bronze to Silver to Gold data pipeline using Prefect, processing CSV, HTTP, JSON, and PDF with automated validation, achieving 99.9% data quality via Great Expectations.
- Developed a React 19 and TypeScript front end with 177+ components, implementing 8+ major features, including AI chat, FX analytics, forecasting engine, and real-time dashboards.
- Established secure CI/CD using GitHub Actions with OIDC across all repos, eliminating long-lived credentials and reducing deployment time from hours to minutes.
- Created a local development environment with Docker Compose (14+ services), including MinIO/LocalStack, a full observability stack, and tenant isolation for offline testing.
- Implemented a multi-tenant PostgreSQL architecture with schema-based isolation, ensuring complete tenant data separation and concurrent operations for multiple organizations.
- Built data contracts using Pydantic for 5+ data types (FX, CPI, monetary aggregates, reserves/BOP, and fiscal) with automated validation and OpenLineage tracking.
- Established Service Control Policies (SCPs) at the AWS Organizations level, enforcing encryption requirements and preventing unauthorized resource creation across tenant accounts.
- Designed event-driven processing using SQS polling and S3 triggers, enabling scalable async file processing with auto-retry, handling thousands of files daily at 99.5% success.
Senior Full-stack Mobile App Developer & Architect
Chopra NeuroWellness Inc
- Developed a cross-platform React Native mobile application (iOS) with Firebase authentication to track users’ meals, delivering a fully functional AI-powered MVP that enabled the client to secure their first investment round.
- Integrated Apple HealthKit and In-App Purchase functionalities, enabling seamless tracking of sleep and activity data and secure purchase of premium wellness features directly within the app.
- Collaborated with product and engineering teams to optimize Firebase back-end workflows, improving data sync speed by 30% and ensuring real-time updates across devices.
Retool Developer
Gallagher & Associates, LLC
- Improved the performance of the Retool application and configured the email notification workflow.
- Configured the staging and production environments for the application.
- Enhanced the UI/UX of the Retool dashboard and fixed bugs related to CSV downloads, export data formats, and others.
Senior Full-stack Engineer
Eli Health
- Developed robust APIs using NestJS and Python for various back-end services. Configured database migrations from scratch to streamline data management and ensure consistency across environments.
- Utilized Terraform for infrastructure as code, setting up Mailgun servers and DNS configurations. Migrated the codebase from Bitbucket to GitHub and restructured it from a monolithic single-repo architecture to a multi-repo setup.
- Configured GitHub Actions for tailored deployment pipelines for each service and environment.
- Managed end-to-end deployments using Google Cloud Platform (GCP) services, including Cloud Run and Secret Manager.
- Contributed to the React Native iOS application by resolving bugs, cleaning up code, and introducing new features such as customized calendars. Undertook a complete UI rebranding of the iOS application and managed its distribution via TestFlight.
Full-stack Developer
First Dibs LLC
- Designed and built RESTful APIs for seamless data interaction and integration and developed new features based on a new figma design with a responsive UI.
- Fixed existing bugs and refactored code as and when needed.
- Created APIs using TypeScript, Node.js, DynamoDB, and AWS Lambda functions.
- Integrated APIs with the front end and developed complex reusable components in React.
Full-stack Developer
Licensing, inc
- Developed APIs from scratch using Python FastAPI for multiple projects, including LLM Shield and Infringement. Contributed to back end and AI engine development in Patented.ai Studio using Python and MongoDB.
- Utilized Linux-based environments for deployment and project management across platforms like Google Cloud and Firebase. Deployed projects using GitHub Actions, managing builds and deployments on platforms like Google Cloud and Firebase Hosting.
- Worked with databases like PostgreSQL, Redis, and MongoDB to ensure robust and scalable data handling. Developed user-facing features using React (TypeScript and JavaScript) in projects like Patented.ai Studio.
- Integrated 3rd-party tools such as GitHub into applications. Resolved bugs and introduced features in Invalidator using React, Firebase Functions, and Python scripting. Contributed to enhancing the AI engine in Patented.ai Studio back end.
- Designed and built RESTful APIs for seamless data interaction and integration.
Senior Full-stack Engineer
MaxSold
- Spearheaded the creation of MaxSold's buyer website from scratch, employing Next.js, TypeScript, Redux, Jotai, Google Auth, and Datadog. Emphasized a user-centric approach, introducing a geolocation feature to know user location and show results.
- Integrated Google autocomplete and Google Maps to optimize navigation, ensuring an improved browsing experience. Executed comprehensive SEO enhancements and performance optimizations, notably increasing project visibility and responsiveness.
- Maintained standard development procedures, conducted PR reviews, and utilized tools like Slack and Jira for effective communication and workflow.
- Collaborated efficiently within the team, demonstrating strong problem-solving skills to resolve production bugs swiftly.
- Strategically implemented server-side rendering (SSR) for enhanced SEO performance and enabled seamless social media sharing, especially on Facebook. These efforts expanded the project's reach and visibility.
- Integrated the Converge payment gateway and Pusher for real-time updates, enriching the website's functionalities and ensuring a seamless user experience throughout the buying process.
- Managed internal dashboard for their marketing and support teams, which is built in Retool.
Senior Front-end Engineer
Quincus
- Acted as a front-end engineer on the Quincus' Shipment V2 project. I specialized in developing key features such as shipment listing, update, file upload, and bulk upload functionalities in addition to lane listing and consolidation features.
- Employed a modern tech stack that included React, Redux, Jotai, React Query, TypeScript, Microfrontend, Cypress, and Node.js to facilitate the development of microfrontends.
- Created reusable components from the ground up, seamlessly integrating them into various modules to enhance code reusability and maintainability within the micro frontend architecture.
- Played a pivotal role in implementing multi-language support for Shipment V2, ensuring accessibility for a diverse user base and contributing significantly to the successful release of version 6.0.0.
- Designed and developed complex features for cost listing, creation, and updates from scratch, making substantial contributions to the overall success of the project.
- Authored comprehensive end-to-end (E2E) test cases for Shipment V2 using Cypress, achieving a 60% test coverage target, thus ensuring the project's code quality and reliability.
Senior Back-end Developer
Vietcombank (via Bluebik Group)
- Developed a mobile app to digitalize the onboarding process of bank customers and successfully deployed it in the production environment. Implemented event-driven architecture from scratch.
- Built APIs from scratch and integrated their existing 3rd-party APIs on the back-end side.
- Converted their complex application form into digital forms using different approaches, including using fillable PDFs or generating a PDF from HTML by injecting data inside it. Used Redis for SMS cache implementation.
Front-end Engineer
Glass Markets Corp
- Developed a React-based customer web portal using Material UI from scratch, which includes complex charts.
- Built a client's main website using React, HTML, CSS, and TypeScript and deployed it on Netlifly.
- Migrated from the Grafana dashboard to a React dashboard per the client's requirement successfully.
Full-stack Developer
Yonda Tax Limited
- Developed an internal dashboard for a client from scratch using Retool, which includes complex data upload and download functionality and fixed bugs in Retool dashboard as per client need.
- Created a customer-facing website using React, Redux, and Material UI and integrated eCommerce APIs (WooCommerce, Shopify, and Amazon).
- Integrated file upload and file export APIs in the React web portal.
Senior Full-stack Developer | Freelance
Punky Pay
- Developed a React app from scratch and integrated Firebase authentication into it. Integrated Coinbase wallet using Coinbase OAuth2 APIs. After successful authorization, it will store user wallet-related data inside MongoDB using Express.js.
- Deployed complete Node.js and React application on Heroku and configured it to communicate to MongoDB Atlas using private static IPs.
- Migrated a project from Heroku to Digital Ocean and Inside Droplet deployed React, Node.js (Express.js) application and whitelisted IPs to connect with MongoDB, which is running on Mongo Atlas, to reduce cost.
Full-stack Web Developer
InfoMedix Pty Ltd
- Involved in product development with the coding manager of InfoMedix and served as a full-stack developer building projects from scratch. Automated deployment processes using Git and CI/CD pipelines to ensure seamless integration and delivery.
- Collaborated with different teams based on clients' requirements and integrated authentication modules in new products. I also integrated new products with clients' existing products.
- Involved in project design and development while managing the entire process until deployment. I also worked with VMs during development.
- Contributed as a full-stack developer where I developed APIs using Java and the front end using React and Redux. We established standard development processes across the team using tools like Git, Jira, and Postman.
Software Engineer
Brigit
- Developed a credit builder (CB) dashboard to support the team and a UI and API. I also did API integration with UI.
- Resolved many UI and API-related issues based on support teams' requests and requirements.
- Added credit dispute UI in the CB dashboard. I also developed a Python module that automated a larger part of the manual work of dispute handling, saving a lot of time.
- Improved dashboard performance, worked with Elasticsearch Java, and improved the performance of data fetching.
- Maintained existing Retool dashboard and added new features including file upload, zip, and CSV download using API calls.
Software Engineer
Cloudera
- Designed and implemented efficient back-end services, leveraging Scala for high-performance data processing in distributed systems. Utilized functional programming libraries and tools such as Akka HTTP for robust and maintainable codebases.
- Resolved many engineering escalations, such as clients' issues and queries, using application logs from Kibana extensively.
- Updated an existing service base Amazon Machine Image (AMI) to address the security vulnerability in Linux operating system with minimal downtime and coordinated with other teams for updates.
- Designed and developed support for HDP cluster registration in classic clusters.
- Improved support for CDH cluster registration in classic clusters.
- Added Angular unit test cases in classic clusters project using Karma and Jasmine and led traditional clusters project.
- Designed and developed support for the combined use case of CDP Private Cloud Base cluster registration in classic clusters.
- Integrated Kamon.io in a classic clusters application and Prometheus and Datadog inside the project. Generated a reports dashboard in Datadog from collected data using Prometheus.
- Developed and optimized Spark jobs for data ingestion, transformation, and real-time processing of large-scale datasets. Updated the project UI as per FluidX industry standards.
- Designed and developed support for CDP Private Cloud Base cluster registration in classic clusters. I acted as the project lead.
Full-stack Developer
BCG - GAMMA - Main
- Developed a complete web application for the client, providing optimized scenarios based on input parameters.
- Integrated an Angular application with a Python back end and developed it in FastAPI.
- Worked on a project where clients could successfully generate or optimize new scenarios using web applications. They are also able to download results from the dashboard.
Software Engineer
Tanush Software
- Assisted with front-end development of electronics repair and service products using React.
- Integrated AWS SMS service into the client's application for users to log in using OTP.
- Created a QR code-based digital menu for restaurants in React and deployed that application on Heroku and Netlify.
- Developed a web app to collect feedback from customers for restaurants in React and managed a team of three who generated reports from collected feedback data using PowerBI.
- Designed and developed the Photish web application, a photo-sharing web application built in React.
- Created the GoPhotoBook web application, a photo printing web application built in React.
- Built an Android application for the jewelers to show their daily gold price to the users.
- Developed a web application named Let's reverse it, a platform where users can post their requirements and sellers can put bids on that post.
- Created Power BI reports using raw data CSV for an insurance company from scratch and helped with existing reports.
Experience
Coding Manager Web Application
https://infomedix.com.au/coding-manager/Classic Clusters
https://docs.cloudera.com/management-console/cloud/classic-clusters/topics/mc-managing-classic-clusters.htmlAs a full-stack developer, I managed the project's design, development, and deployment using Docker, Spinnaker, and Kubernetes. I added support for CHD, HDP, and CDPDC clusters inside classic clusters to provide data migration capability to the cloud from on-prem. I also implemented role-based authorization in the project and updated its UI entirely to the standard UI the organization followed across all its products. During development, I collaborated with different teams, including the documentation team to publish detailed steps documents for customers. I also focused on project performance enhancement and added unit test cases for the back-end and front-end components. As the team lead on this project, I quickly resolved many engineering escalations raised by clients.
Credit Builder Dashboard
I was the full-stack developer managing UI and integration with existing APIs and improving performance with Elasticsearch. I also developed CB dispute UI, which showed dispute details raised by clients, and developed a Python module that automated a major part of the manual work of dispute processing, saving a lot of time.
PriorityBiz
I worked as a full-stack developer and developed a couple of features. I also fixed many bugs and integrated them with FedEx, UPS, and other logistics for booking the delivery of parcels.
Gohush Web Application
https://gohush.com/Photish
The purpose of this website is to provide a platform where users can upload their photos, create albums, and share them with individuals or groups with desired edit and read-only restrictions.
GoPhotoBook
Let's Reverse It
Stay Connect
Daily Deals App
Web App for Opera Medical
Restaurant Review Web App
Web App for Punky Pay
Education
Bachelor's Degree in Electrical Engineering
Gujarat Technological University - Gujarat, India
Certifications
Udemy Akka HTTP with Scala | Rock the JVM
Udemy
Skills
Libraries/APIs
React, React Redux, React Router, Antd, Node.js, D3.js, REST APIs, Chart.js, Vue, Amazon API, Redux-Saga, Redux Form, GitHub API, Highcharts, JavaScript Charting, Stripe API, LinkedIn API, Recharts, AWS Amplify, Web3.js, HTTP API, React Query, Beautiful Soup, Google Maps API, Stripe, SendBird, Puppeteer, Sockets, Pandas, API Development, OpenAI API, Google API, Twilio API, Asyncio, GraphQL API, Pydantic, QuickBooks API, Auth, Fabric, Power BI REST APIs, Playwright, SQLAlchemy, MobX, Instagram API, Facebook API, Slick, Google Maps, Liquibase, Bitbucket API, Python API, Akka Streams, Flask-RESTful, jQuery File Upload, Coinbase API, Google Ads API, Zendesk API, Google Geocoding API
Tools
Jira, GitHub, Slack, Git, Elastic, WildFly, Bitbucket, Figma, MongoDB Atlas, Microsoft Access, Microsoft Power BI, Grafana, Apache, JavaScript Testing, Firebase Authentication, Webpack, MetaMask, Retool, Redux Toolkit, Vue CLI, Firebase Analytics, Cron, Amazon Simple Queue Service (SQS), cURL Command Line Tool, SendGrid, Expo, Xcode, PrestaShop, Microsoft Excel, Odoo, Pytest, ActiveMQ, ChatGPT, Microsoft Copilot, Wix, Amazon OpenSearch, AWS IAM, Google Sheets, Prisma, Apple HealthKit, Uvicorn, Celery, AWS Cloud Development Kit (CDK), Claude, Terraform, Google Kubernetes Engine (GKE), AWS Step Functions, Power BI Desktop, Power BI Embedded, Microsoft Dynamics, Shell, Docker Compose, Kibana, Microsoft Web Services, React Apollo, Jenkins, Auth0, Builder.io, Google Analytics, Karma, PhpMyAdmin, IntelliJ IDEA, PyCharm, GitLab, Miro, NGINX, Apache Maven, VMware, Postman, CircleCI, NPM, Apache Ambari, Knox, Angular CLI, Zeplin, JHipster, GitLab CI/CD, AWS ELB, VPN, Feign, Skaffolder, Amazon Simple Notification Service (SNS), Docker Hub, RabbitMQ, SonarQube, SonarCloud, Amazon Elastic Container Registry (ECR), AWS Fargate, AWS Key Management Service (KMS), Loki, Amazon CloudWatch, Kafka Connect
Languages
PHP, HTML5, Python 3, JavaScript, Scala, SCSS, SQL, CSS, Python, CSS3, HTML, TypeScript, Java, GraphQL, C++, Sass, Java 11, Bash Script, Solidity, Regex, Zoho Deluge, Java 8, Elm, C#, Kotlin, Python 2, Go, TypeScript 3, TypeScript 2, Java 7, Curl Language, Less, YAML, Rust
Frameworks
Bootstrap 3, Material UI, React Native, Jasmine, Redux, Flask, Angular, Flutter, Bootstrap, Django, Express.js, Hibernate, JUnit, Jest, gRPC, Ionic, Spring Boot, Spring, Next.js, Tailwind CSS, NestJS, Selenium, Swagger, Mockito, Ruby on Rails (RoR), Django REST Framework, Angular Material, tRPC, JSON Web Tokens (JWT), Serverless Framework, AngularJS, Laravel, .NET, Cypress, Play Framework, Spark, JPA, Apache Ranger, OAuth 2
Paradigms
Testing, Management, Object-oriented Programming (OOP), Mobile Development, REST, Unit Testing, Test-driven Development (TDD), Microservices, Continuous Integration (CI), ETL, Scalable Application, Requirements Analysis, Agile, DevOps, Behavior-driven Development (BDD), Scrum, Responsive Web Design (RWD), Automation, Rapid Prototyping, Search Engine Optimization (SEO), Low-code Development, HTML DOM, Role-based Access Control (RBAC), Event-driven Architecture, Functional Programming, HIPAA Compliance, Serverless Architecture, API Architecture, Test Automation, Responsive Layout, Responsive Coding, Responsive, Responsive Development, Model Context Protocol (MCP)
Platforms
Kubernetes, Docker, Heroku, Amazon Web Services (AWS), Mobile, Shopify, Web, AWS Lambda, JVM, Azure, Linux, Twilio, DigitalOcean, iOS, Ubuntu, Blockchain, LAMP, Netlify, Algolia, Vercel, Mapbox, WordPress, BigCommerce, Magento, WooCommerce, HubSpot, Contentful, Apache Kafka, Magento 2, Azure Functions, Microsoft Dynamics 365, Microsoft Power Automate, Firebase, Android, Google Cloud Platform (GCP), Spinnaker, Visual Studio Code (VS Code), JBoss, AWS NLB, Amazon EC2, Bluetooth Low Energy (LE), Droplets, Zendesk, OpenLineage
Storage
MySQL, MongoDB, PostgreSQL, Amazon DynamoDB, Amazon S3 (AWS S3), H2, MariaDB, JSON, Databases, NoSQL, Microsoft SQL Server, Elasticsearch, IBM Db2, Firebase Realtime Database, Relational Databases, Cloud Firestore, Redis, Google Cloud, API Databases, Redis Cache, Data Integration, Azure SQL, DB, Database Management, MySQLdb, Datadog, SQLite, Data Pipelines, PostgreSQL 10
Industry Expertise
Web Design, Social Media, Accounting
Other
Web Hosting, APIs, Front-end Development, Front-end, Full-stack, Back-end, Apollo, FastAPI, API Integration, Software Engineering, Architecture, Scraping, Web Scraping, Landing Pages, Web Development, Website Performance, Development, Data Scraping, Mobile UI, Mobile UX, Responsive UI, Authorization, Authentication, Responsive Web Apps, Email, Web App Development, Technical Hiring, Source Code Review, Task Analysis, Code Review, Interviewing, Team Management, MERN Stack, Web Search, CSV Import, CSV Export, Inventory Management, Websites, eCommerce, Pixel Perfect, Data Visualization, Serverless, SSL, Software Design, Leadership, Scalable Architecture, WebSockets, Web Applications, MVC Frameworks, Cloud, Webhooks, Charts, Mobile Apps, Payment Gateways, Payment APIs, Integration Testing, User Interface (UI), User Experience (UX), Mobile Applications, Cryptocurrency Wallets, Integration, DevOps Engineer, Strapi, Dashboards, Data Engineering, Startups, QR Codes, HTTP, Networking, Non-fungible Tokens (NFT), Full-stack Development, Data Structures, Scripting, Minimum Viable Product (MVP), Data Analytics, SEO Tools, Axios, HTML Templates, Generative Artificial Intelligence (GenAI), Greenlake Cloud Platform (GLP), HP Enterprise (HPE), OpenAI, Page Speed Optimization, Storybook, No-code Development, Vite, Data Science, Back-end Development, Algorithms, Crypto, Bitcoin, TypeORM, GitHub Actions, Web App Automation, Browser Automation, AWS DevOps, Zustand, Cross-browser Compatibility, Headless WordPress, OpenAI GPT-4 API, OpenAI GPT-3 API, PDF, Cloud Infrastructure, Communication, Artificial Intelligence (AI), Chatbots, Live Chat, Design, Trading Bots, Education Technology (Edtech), Google Cloud Functions, Performance, Debugging, Single Sign-on (SSO), SDKs, Cloudflare, Forms, Bots, Large Language Models (LLMs), Concurrency, Prompt Engineering, Amazon API Gateway, Data Cleansing, Gemini, Technical Leadership, Tailwind UI, ChatGPT API, AWS Secrets Manager, Third-party APIs, Document Processing, Cyber Threat Hunting, Mobile App Development, LangChain, Vector Databases, Chrome Extensions, UI Development, Open-source LLMs, AsyncAPI, CTO, Fractional CTO, Springbot, Responsiveness, Data Cleaning, Google SEO, Google Tag Manager, Cloud Security, Software Development, Data Analysis, Push Notifications, Cryptocurrency, Load Balancers, Cursor AI, AI Integration, Social Media Apps, Firebase Cloud Functions, Health, Sports, Monday.com, Agentic AI, Figma to React, AI-generated Code, Supabase Auth, Workflows, Zuora, Amazon EventBridge, Distributed Systems, DNS, GoDaddy, SQL Server, Zoho, Team Leadership, Cloud Storage, CI/CD Pipelines, Kamon.io, Akka HTTP, User Authentication, Web Consulting, Enterprise Architecture, Containers, Scalability, Analytics, Gatsby, Smart Contracts, Platforms, SOAP, Web3, Offline Data Synchronization, Supabase, reflex, Natural Language Processing (NLP), Shell Scripting, Commission Planning, Dash, Fetch API, VM, Ranger, Sandbox to Production, Deployment, Responsive Design, Responsive UX Design, Team Mentoring, Demos, SSH, Flask-Admin, CSS5, Version Control, JavaScript Libraries, Lambda Functions, Render, OAuth, Java 17, Adobe Acrobat Pro, Fillable PDFs, Reddit, Application State Management, Converge, Email Template Design, DevContainers, SMTP, Web Security, AI Agents, Scaling, Events, cURL, Amazon Bedrock, AWS Organizations, ECS, Infrastructure as Code (IaC), Terraform Cloud, Domain Migration, AWS ECS Fargate, Amazon RDS, OpenID Connect (OIDC), Prometheus, AWS CodeArtifact, OpenTelemetry
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