Vetted Firebase Professionals

Volodymyr Pisotskyi

Screened

Junior Full-Stack Engineer specializing in AI-powered web applications

San Francisco, CA2y exp

“Full-stack engineer building production AI/RAG systems for benefits workflows, including a state-level deployment that introduced filestore-based evaluation and improved answer correctness by about 30%. Strong across Next.js, backend infrastructure, and AI evaluation tooling, with hands-on experience in LangChain/LangGraph, Langfuse, accessibility-minded UI work, and zero-to-one product leadership in fast-moving environments.”

Hashim Kalam

Screened

Junior Software Engineer specializing in backend systems and applied AI

Colombo, Sri Lanka3y exp

“Full-stack and backend-oriented engineer with experience spanning customer-facing web products, LLM-based multi-agent systems, and enterprise Go microservices. They’ve worked on a ticketing/payments platform with Stripe, an NLP-to-2D-CAD MVP, and AI orchestration using LangChain, OpenAI, and Gemini, showing a mix of product thinking, backend architecture, and applied AI experimentation.”

Ibrahim Tantawy

Screened

Senior Back-End PHP Developer specializing in scalable web APIs

Dubai, UAE7y exp

“Full-stack PHP/Laravel and Vue.js developer with experience spanning startup e-learning, e-commerce, and a B2B SaaS logistics platform. Particularly notable for integrating Stripe early in their career, improving MySQL performance with indexing, and handling client-specific GPS integrations for enterprise transportation customers such as Coca-Cola, Pepsi, and Emirates Logistics.”

Zunaira Nazir Zunaira Nazir

Screened

Senior Unity Developer specializing in multiplayer, VR, and WebGL

Pakistan7y exp

“Unity/C# lead developer who has reworked disorganized codebases into extensible architectures and led delivery of a cross-platform mental health product integrating AI chatbot features, payments, Calendly, and Firebase. Also brings hands-on experience with Photon multiplayer patterns, including server-authoritative movement, interpolation, and prediction.”

“Frontend-focused engineer (Shahroz) who has rebuilt and modernized products end-to-end, including a FitTech dashboard redesign from scratch with standardized tooling (ESLint/Prettier, Husky + conventional commits, unit tests, PR validation). Has delivered complex React + TypeScript dashboards involving real-time live streaming and analytics, and shipped an e-commerce PDP with integrations like Contentful and social feeds using an MVP-first, sprint-based process.”

“Frontend engineer with experience leading an end-to-end website rebranding at Caseware, coordinating across product, design, DevOps, and backend teams while integrating CMS, third-party services, and backend APIs. Built SaaS dashboard interfaces in React + TypeScript and emphasizes quality and scale through unit/integration testing pipelines plus performance work like responsive image optimization, lazy loading, SSR, and React memoization.”

“Backend engineer who owned the API layer for an AI trust/analytics dashboard (trust scores, stability checks, public verification endpoints) using Python/FastAPI and Postgres. Has hands-on DevOps experience deploying FastAPI and Node.js services to AWS Kubernetes with GitHub Actions + ArgoCD GitOps, plus Kafka-based real-time event streaming and careful staged migration practices (shadow traffic/dual writes, rollback planning).”

“Engineering/CTO-style leader with hands-on architecture experience who has driven end-to-end modernization of a manual antiques auction operation—building centralized web-accessible data systems, digitizing historical records via OCR/freelancers, and defining profitability-focused KPIs with an eye toward predictive modeling. Emphasizes provider-agnostic, containerized SaaS architecture to avoid vendor lock-in and has experience scaling a small engineering team with ownership-based culture and lightweight processes.”

“Software engineer with experience across edtech, live gaming, and an AI document intelligence platform, delivering end-to-end customer-facing features and production backends. Built secure, automated live-session scheduling integrating Zoom and TalentLMS (JWT/RBAC, idempotency, transactions) cutting setup time from ~3 minutes to under 1 minute, and optimized real-time gaming dashboards/APIs with query tuning, caching, and CDN improvements (~60% latency reduction under peak load) on AWS.”

Uzair Asif

Screened

Senior Full-Stack Software Engineer specializing in cloud-native web, mobile, and AI features

8y exp

“Frontend lead for a consumer-facing social platform, owning architecture through release. Built scalable React/TypeScript systems (Redux Toolkit, Remix) with a shared Storybook component library and strong quality gates (CI, Jest/Cypress). Experienced modernizing legacy codebases incrementally with feature flags and shipping major dashboard features with staged rollouts and close QA collaboration.”

Zachary Ringwood

Screened

Junior Full-Stack Developer specializing in React Native and Java/Spring

3y exp

“Frontend engineer who created an in-house React-like framework (“React-Wilcox”) enabling modern, event-driven UI components on extremely legacy browsers (as far back as 2002), including race-condition avoidance via batched state updates. Also does freelance work untangling AI/vibe-coded frontends for nontechnical founders, componentizing UIs and fixing routing/readability, and recently built a React+TS social app for martial artists with privacy-preserving location distance features.”

Haider Zahoor

Screened

Mid-level Game/Software Engineer specializing in Unity & Unreal cross-platform development

San Jose, California6y exp

“Unity/VR developer who has shipped on Meta Quest (SideQuest) and built standalone PCVR medical applications used with real patients. Built a fully solo roguelike twin-stick shooter with a highly modular ScriptableObject/state-machine architecture, including custom build-time tooling to overcome Unity runtime constraints. Uses AI selectively (e.g., Claude) to generate editor tooling like a match-3 level designer to speed up level production.”

ricardo filho

Screened

Senior Game & XR Developer specializing in immersive VR/AR/MR experiences

Porto, Portugal12y exp

“Unity game developer who built a Twitch chat integration enabling a streamer's audience to actively participate in gameplay, boosting engagement and virality. Has hands-on multiplayer experience with Photon, including RPCs/synced variables and designing for disconnects, late-joins, and low-bandwidth data transfer, and uses Cursor/AI agent workflows to accelerate feature development while maintaining code quality.”

Atharva Chavan

Screened

Junior Full-Stack Software Engineer specializing in mobile, cloud, and GenAI integration

Syracuse, NY2y exp

“Software engineering intern with hands-on ownership of a Java/Spring Boot order management microservice, including production performance tuning via Redis caching and database indexing driven by API logs/metrics. Also contributed to a production mobile-backend LLM feature using RAG with embeddings over structured data and documents (DB + object storage), with guardrails to keep responses grounded.”

Mahgoub Gaafar

Screened

Senior Product Manager specializing in AI-driven engagement and gamification

Dubai, UAE7y exp

“F2P product/game designer with live-ops experience on an NBC Group-owned mobile app in the MENA region (~200k users), driving personalization (segmented ads/trivia) and monetization (regional pricing, LTOs, season pass). Owns the full delivery lifecycle—PRDs/backlog through QA/UAT and release—and uses retention/conversion metrics and A/B testing to tune rewards and the game economy.”

Ram Abhinav Vedant Madabushi

Screened

Junior Full-Stack/AI Engineer specializing in web platforms and LLM applications

Palo Alto, CA2y exp

“Backend engineer from FoodSupply.ai who built and evolved a scalable restaurant/supplier product and order management platform using Node.js and REST APIs. Implemented a hybrid MySQL+MongoDB data architecture, optimized performance with Redis/Prisma, and led a phased migration with feature flags and a temporary sync layer to maintain data consistency. Strong focus on production security (OAuth2, RBAC, row-level security, AWS IAM) and reliability practices (testing with Pytest, Docker/AWS pipelines).”

“Frontend-focused engineer who built an AI-powered code conversion web app and iterated heavily on UX based on real user feedback. They show practical strength in React/TypeScript, browser performance tuning, and designing complex interactive interfaces with translation history, review workflows, and live progress updates.”

Hannah Aron

Screened

Senior Full-Stack Engineer specializing in Python web and cloud applications

Hayward, CA8y exp

“Full-stack engineer with strong Python/React experience who has built systems from scratch, including a custom POS platform as the sole initial engineer. They also bring applied experience across IoT reward platforms, HR matching/search systems, and LLM-powered automation products, with a track record of improving reliability and speed through thoughtful architecture decisions.”

Jookwang Jung

Screened

Staff Software Engineer specializing in AI-native platforms and full-stack systems

Los Angeles, CA20y exp

“Founding engineering lead and player-coach who built a small cross-functional team around an AI-first development model, increasing execution speed by more than 3x through hands-on coaching and human-in-the-loop practices. Has led architecture for a multi-tenant platform and built an AI system for fashion businesses that generates content, imagery, and operational recommendations, combining technical depth with product and UX judgment.”

“Unity engineer with 11+ years of experience spanning gameplay systems, multiplayer networking, mobile optimization, VR, and recent AI/LLM-driven tooling. He described substantially reworking systems for the mobile version of Attack of the Earthlings, with code improvements strong enough to be reused on the PC version, and more recently led major modernization work on Shiba Eternity including Unity upgrades, restructuring, and cross-functional delivery processes.”

Sakshi .

Screened

Senior Backend Engineer specializing in cloud-native microservices and AI backend systems

Remote, India4y exp

“Backend-leaning full-stack engineer who has repeatedly built web products end-to-end, including an artist booking and event management platform with complex location-based pricing, search, and booking flows. Strongest signal is ownership of backend architecture, API design, database modeling, performance optimization, and production stabilization while also partnering on frontend integration and UX improvements.”

“Unity/C# gameplay engineer with strong hands-on experience architecting modular multiplayer FPS systems, especially weapon inventory/equipment flows built for server-authoritative networking. Also brings adjacent AI/computer vision integration experience with OpenCV plus shipped platform work across Meta Quest 2 VR, mobile, and WebGL, making them a versatile real-time systems developer.”

“Full-stack engineer with hands-on experience shipping multiple AI-powered products, including donor recommendation systems, RAG-based document Q&A, and cybersecurity threat analysis tools. Stands out for combining TypeScript/React and backend API development with practical LLM evaluation, grounding, and production optimization—driving measurable outcomes like 30% higher donor engagement and 87% answer accuracy under 2-second latency.”

“Founder of the EdTech platform Studentsify and a pragmatic hardware/product builder with strong experience evaluating low-cost connected devices for real-world deployment. Stands out for hands-on firmware and power testing, thoughtful build-vs-buy decisions, and translating white-glove technical setups into repeatable field processes.”