Ahmad Heidari
Senior Full-Stack Engineer | Principal Blockchain Engineer
Dubai, United Arab Emirates | Open to relocation | +971 54 339 1553 | headria@gmail.com | ahmadheidari.dev | github.com/headria
Professional Summary
Senior Full-Stack Engineer and Principal Blockchain Engineer with 12+ years building and operating production software. Strong Web2 background in system design and leading delivery of scalable products: APIs, microservices, realtime systems, authentication, data modeling, and cloud operations. Deep Web3 ownership across Solana trading infrastructure, Solidity smart contracts, EVM dApps, DeFi systems, and low-latency on-chain products. Early-stage CTO and team-lead roles carried hands-on senior/staff/lead engineering scope: setting technical direction, designing architecture, writing production code, coordinating delivery, mentoring engineers, and owning releases and incidents. Core stack includes TypeScript, Node.js, NestJS, React, Next.js, Rust, Solidity, Solana, PostgreSQL, Redis, AWS, Docker, and Linux. Designed and led scalable consumer products to 10M+ registered users and approximately 500K peak concurrent users, integrated 19 Solana DEX protocols, and reduced a latency-sensitive execution path from 225 ms to 1-2 ms.
Technical Skills
Backend / Web2: TypeScript, JavaScript, Node.js, NestJS, Express, REST APIs, WebSockets, microservices, event-driven systems, system design, gRPC. Frontend: React, Next.js, Vite, Tailwind CSS, TanStack Query, dApp frontends. Data: PostgreSQL, Prisma, MySQL, MongoDB, Redis, ClickHouse, TimescaleDB, pgvector. Cloud & reliability: AWS, Docker, Linux, Nginx, PM2, systemd, CI/CD, monitoring, performance tuning, incident response. Blockchain / Web3: Rust, Tokio, Axum, Solana, Anchor, EVM, Solidity, smart contracts, dApps, DeFi, Go, Python, FastAPI, low-latency systems. Technical leadership: System design, scalable product delivery, architecture and technical direction, hands-on delivery, code review, mentoring, cross-functional coordination, production ownership.
Professional Experience
2022-Present | Dubai, UAE | Early-stage startup
Cherry AI
CTO / Principal Engineer (Hands-on Full-Stack & Blockchain)
Early-stage CTO role functioning as a hands-on lead/principal engineer.
- Set architecture and delivery direction while writing production TypeScript, React, and Rust code and owning releases and incidents.
- Led system design and delivery for scalable Web2 products, including Cherry Game, a NestJS, React, and Next.js Telegram mini-game with 10M+ registered players and approximately 500K peak concurrent users.
- Designed HTTP and WebSocket APIs, microservices, and data pipelines using Redis Streams/Pub/Sub, PostgreSQL, MongoDB, and ClickHouse; operated Dockerized services on AWS and Linux.
- Developed production Rust ingestion across 19 Solana DEX protocols and reduced median copy-trade submission latency from 225 ms to 1-2 ms through hot-path redesign and parallel provider submission.
- Coordinated product and engineering delivery, reviewed technical work, and mentored engineers while shipping analytics used by 700K+ users, trading automation, risk controls, and a token launch platform whose IDO raised $300K in 48 hours.
Technologies: TypeScript, Node.js, NestJS, React, Next.js, PostgreSQL, Redis, MongoDB, ClickHouse, Rust, Docker, AWS, Linux
Feb 2026-Apr 2026 | Remote | Concurrent six-week contract
Token Launcher & Autonomous Trading Platform
Lead Full-Stack Engineer | tokenlauncher.fun
- Architected and delivered six PM2-clustered TypeScript/Node.js microservices, a React/Vite web application, a Flutter mobile application, and a Go realtime listener.
- Implemented event-driven processing with Redis Pub/Sub, distributed locks, leader election, and deduplication for latency-sensitive automation and single-executor guarantees.
- Designed PostgreSQL/Prisma data models, OAuth and OTP authentication, MPC wallet workflows, and EVM / Solidity-adjacent execution across Base and BNB Smart Chain.
- Integrated LLM-based social-feed analysis and automated decision workflows using xAI, MiniMax, and StepFun APIs.
Technologies: TypeScript, Node.js, Express, React, Vite, Go, Flutter, PostgreSQL, Prisma, Redis, WebSockets, Linux
Aug 2023-Dec 2024 | Remote | Concurrent early-stage engagement
Degenz
CTO / Lead Full-Stack Engineer (Hands-on Startup Role)
- Functioned as the hands-on lead engineer, owning architecture and delivery of an EVM market-intelligence platform across Node.js, React, MongoDB, and Redis.
- Built holder, liquidity, volume, and token-risk analysis pipelines; contributed across backend, data processing, and frontend through production delivery.
Technologies: TypeScript, Node.js, React, MongoDB, Redis, EVM
Oct 2023-Feb 2024 | Remote | Contract
Sect Group
Team Lead / Senior DevOps Engineer (Hands-on)
- Combined senior IC work with team coordination, release ownership, and production operations for blockchain revenue-sharing services built with Python, Node.js, MySQL, Redis, and Linux.
- Reduced database query time by approximately 40% through query and cache-path optimization, and improved deployment reliability.
2022-Sep 2023 | Dubai, UAE | Concurrent early-stage engagement
Planet Memes
CTO / Lead Blockchain Engineer (Hands-on Startup Role)
- Functioned as the hands-on lead blockchain engineer, architecting and implementing a gaming platform with Solidity smart contracts, JavaScript dApps, and high-traffic application flows on Ethereum and BNB Smart Chain.
Technologies: Solidity, JavaScript, EVM, Ethereum, BNB Smart Chain, Web3
2021-2022 | Istanbul, Turkiye | Early-stage company
ArabNetwork
CTO / Lead Blockchain Engineer (Hands-on Startup Role)
- Promoted from smart-contract auditor into a hands-on startup CTO role; set technical direction and directly developed Solidity smart contracts and dApps, including a non-custodial wallet, token-presale application, and private blockchain solutions.
Technologies: Solidity, JavaScript, EVM, smart contracts, dApps
Selected Projects
Open-Source Solana Shred Tracer
- Built a low-latency Rust tracer that decodes 12 major DEX families without database or disk I/O in the hot path.
- Extended a production Solana platform with concurrent Rust services, 19 DEX integrations, pre-confirmation shred ingestion, realtime analytics, and multi-provider submission.
SnapSugar - Multi-Service Health Product
- Built a production platform using Go, PostgreSQL/TimescaleDB, and Redis for glucose tracking, medication adherence, food intelligence, lab analysis, and multi-channel delivery.
- Designed independent API, worker, personalization, Telegram, and WhatsApp services with health checks, queues, rate limiting, and graceful degradation.
Earlier Experience
Arash | Frontend Developer | Tehran | 2020-2022: Delivered responsive React and JavaScript products across five client projects.
Talan | Full-Stack Team Lead (Hands-on) | Remote | 2021: Combined full-stack implementation with delivery coordination across Node.js, React, SQL, and UI/UX integration; shipped ahead of schedule.
Tarnama Gostar | Frontend Team Lead (Hands-on) | Tehran | 2019-2020: Continued frontend delivery while mentoring four developers and improving team workflows, reducing cycle time by approximately 25%.
Independent Software Developer | Tehran / Remote | 2014-2019: Delivered more than 20 custom web applications across frontend, backend, database, and deployment.
LanguagesPersian (Farsi) | English | Arabic