Maisnam Raju Singh

Maisnam Raju Singh github.com/maisnamraju | linkedin.com/in/raju-maisnam P R O F E S S I O N A L S U M M A RY Full Stack Engineer with 10+ years of remote experience shipping products across hrtech, fintech, adtech, and ecommerce. Skilled at building MVPs from scratch, scaling existing platforms, and integrating complex third-party systems. Recent focus on AI-powered workflows and developer tooling. Comfortable owning entire features end-to-end, from database design to deployment. SKILLS Backend: Node.js, TypeScript, Express, NestJS, Hono, PHP/Laravel, Python, FastAPI, Flask, C#(.Net) Frontend: React, Next.js, Vue.js, Nuxt, Pinia, TanStack, TailwindCSS, Web Components AI: OpenAI API, RAG Pipelines, MCP, Langchain, Vapi, ElevenLabs, Pandas Database: Supabase, Postgres, MongoDB, MySQL, Redis, Elasticsearch, SQLAlchemy Cloud & DevOps: AWS (EC2, Lambda, AKS, Amplify, AppRunner), Kubernetes, Docker, Nginx, CI/CD, Git Integrations: Xero, Pipedrive, HubSpot, Stripe, Flinks, Active Campaign, Zoho, Greenhouse, Level, Workable WORK EXPERIENCE Flyweel | Full Stack Engineer (Contract) | Remote, 10/2025 – Present Building the financial OS for Ad Ops and Finance teams. • MCP Backend: Built an MCP integration to help AI agents communicate better with Ad Data on the platform. • Built Core AI Workflow: Designed and implemented an AI agent workflow to interact with database queries, providing real-time insights on Ad spend data and Pipedrive CRM records. • Accounting Integrations: Engineered an integration between Xero and Meta Ads to automate invoice matching from Meta Ads accounts, ensuring financial accuracy for customers. • Refactoring: Refactored different parts of the frontend to migrate to TanStack Query and Zustand for auth tokens storage. Leadify (GJI Holdings) | Senior Software Engineer | Varsity Lake, Australia (Remote), 04/2024 – 10/2025 Leading leadgen agency specializing in mortgage and business loans. • AWS Cost Optimization: Identified inefficiencies in cloud infrastructure and executed a migration plan that reduced AWS monthly costs from $5,000 to $1,500 while improving system uptime. • Large-Scale Migration: Developed a pipeline to migrate 500+ landing pages from Digital Ocean to AWS through AWS buckets, achieving 99% uptime during peak traffic. • AI Sales Tool MVP: Built an MVP for an AI-based automated sales call tool designed to warm up aged leads in the mortgage industry. • CRM Automations: Built multiple integrations for HubSpot, Pipedrive, and Stripe to streamline operations for media buyers. Zid Holdings | Senior Software Engineer | Riyadh, Saudi Arabia (Remote), 07/2022 – 12/2023 The "Shopify" for the MENA region. • Platform Migration: Led the migration of the back-office platform Khabeer to a modern stack using Vue3, TypeScript, and NestJS from Vue2 and Basic PHP, enhancing maintainability and performance. • Refactoring and SEO: Refactored different parts of the marketplace frontend to migrate from Vue2 to Vue3 and Nuxt, replaced html-based templating with jsx and ssr for better SEO optimization. • Backoffice & Merchant Services: Was part of the team that built the pricing discount system that increased company revenue by 15% for Zid software when launched, reducing churn from new users. • Search Engine Logic: Developed and optimized the search functionality for the Mazeed marketplace by migrating from Postgres to Elasticsearch, improving product discoverability in both Arabic and English. • Feature Development: Built critical customer service tools and daily operational features for the Mazeed platform into the back-office platform Khabeer. Whaii | Full Stack Lead | Kolding, Denmark (Remote), 03/2020 – 12/2022 SaaS recruitment and marketing analysis tool. • Codebase Takeover & Refactor: Took ownership of an MVP previously built by IBM; refactored the frontend (Vue) and backend (Flask with SQLAlchemy) to create a performant, reusable architecture. • Kubernetes: Migrated the application to Kubernetes for better scalability and reliability from IBM-based virtual machines to Azure AKS. • Site Reliability: Identified and fixed performance issues caused by database locks and n+1 queries, resulting in reduced downtime. • Technical Leadership: Guided 2 junior developers, managed sprint tasks, and acted as the technical lead in daily operations. • Product Launch: Built a Chrome extension called Whaii Profiler using React, Node.js, and service workers to launch a B2C LinkedIn outreach tool that relied on psychological profiling to identify the best way to reach out to potential clients. Paays Financial | Full Stack Engineer | Toronto, Canada (Remote), 02/2018 – 03/2020 Travel fintech enabling monthly payment solutions. • MVP Architecture: Architected and built the initial MVP from a prototype using Vue.js, Node.js, Golang, and MongoDB. • Component Design: Created a library of reusable Vue / Nuxt components to accelerate frontend development. • Financial Integrations: Integrated critical external APIs including Flinks (bank data), ThreatMetrix, and Commission Junction. FREELANCE & OPEN SOURCE PROJECTS Testnetic: Built a Test Case Management Tool using Laravel, Vue, Firebase, and Node.js. Dashboard for UNICEF: Built a dashboard tool to track the progress of the UNICEF campaign for pregnant women in India. Stack: Python (FastAPI), Vue2, and SQLAlchemy. Collected data from 20+ districts in the Indian state of Maharashtra. Mattermost: Contributed to plugins for Jira, GitHub, GitLab, and MS Teams. Polymer Web Components: Contributed to open-source web components on GitHub. Bluewater Tracks: Part of a team of 3 that built an ocean racing platform used to broadcast races like the annual Melbourne-Hobart and the Melbourne King Island Race. E D U C AT I O N Methodist College of Engineering and Technology | B.E. in Information Technology | Hyderabad, India, 2009 – 2013