{"$schema":"https://raw.githubusercontent.com/jsonresume/resume-schema/v1.0.0/schema.json","basics":{"name":"Mohammad Zafardoost","label":"Senior Backend Engineer","email":"mohammad.zafardoost@gmail.com","phone":"+96897921493","url":"https://mohammadzafardoost.com/","image":"https://mohammadzafardoost.com/images/portrait.webp","summary":"Senior backend engineer in Muscat, Oman, building distributed and financial systems where correctness, security and uptime directly affect customer money.","location":{"city":"Muscat","countryCode":"OM"},"profiles":[{"network":"LinkedIn","username":"mohammad-zafardoost","url":"https://www.linkedin.com/in/mohammad-zafardoost"},{"network":"WhatsApp","username":"+96897921493","url":"https://wa.me/96897921493"},{"network":"Telegram","username":"+96897921493","url":"https://t.me/+96897921493"}]},"work":[{"name":"Self-employed","position":"Independent Full-Stack Engineer","startDate":"2019-10","summary":"Ships production platforms end to end as the sole engineer, alongside full-time roles.","highlights":["Delivered platforms across fintech, logistics, telecom and e-commerce: a digital goods marketplace with automated fulfillment, an international freight and customs platform, a fiber-optic subscription system for a telecom operator, and the payment and subscription layer behind a mobile app with more than a million active users.","Owns architecture, backend, frontend, infrastructure, deployment and long-term maintenance as the sole engineer on each system.","Co-founded and launched FitYar, an AI fitness coaching app built on GPT models — conversational program generation, calorie and macro tracking and a 400+ exercise library — owning backend, infrastructure and AI integration alongside one frontend engineer.","Builds Node.js and TypeScript backends with modular, service-oriented architectures; owns data modelling, API design and third-party integrations."]},{"name":"Dana Blockchain Solutions","position":"Technical Lead","startDate":"2024-06","endDate":"2026-08","summary":"Most senior technical role, reporting to the CEO; owned architecture, delivery and infrastructure for three fintech platforms built from zero.","highlights":["Owned architecture, delivery and infrastructure for three production fintech platforms built from zero — BitBaax (crypto exchange), TetherBaax (Tether wallet and OTC) and Goldmim (physical and digital gold trading) — all handling live custody of customer assets.","Led a ten-person team across backend, frontend and QA: set technical direction, established architecture and engineering standards, reviewed high-risk designs and production changes, and owned infrastructure, CI/CD and production operations end to end.","Architected a modular backend on Clean Architecture and domain-driven design: about 26 domain-oriented modules over an event-driven layer (RabbitMQ, MQTT, WebSocket), backed by replicated MongoDB and Redis, built as a reusable exchange core. TetherBaax launched on it with only its own business logic and client surface added.","Personally built the highest-risk services: authentication, trade engine, wallet management, treasury, asset management and blockchain interaction."]},{"name":"Part Software Group","position":"Senior Backend Engineer","startDate":"2021-06","endDate":"2024-06","summary":"Designed the company-wide API gateway and served as backend engineer and architect on Shahab, an AI cloud platform.","highlights":["Designed and implemented the company-wide API gateway in pure Node.js — authorization, access control, rate limiting, caching and compression — with an extensible middleware layer that lets custom logic be injected anywhere in the request pipeline.","Served as backend engineer and software architect on Shahab, Part AI Research Center’s intelligent cloud-network platform, building the AI model marketplace, container management, wallet and payment services.","Conducted more than 250 technical interviews for backend and Node.js roles and worked with senior leadership to make technical assessment more consistent.","Taught backend development and Node.js to about 100 engineers across four cohorts at Part College — architecture, API design, databases and production practices. 25 graduates were hired into the company."]},{"name":"Zarban Information Technology Solutions","position":"Backend Developer","location":"Richmond Hill, Ontario, Canada","startDate":"2019-05","endDate":"2021-06","summary":"Built backend systems for web and mobile products delivered to international clients, primarily in the Toronto market.","highlights":["Built backend systems for web and mobile products delivered to international clients, primarily in the Toronto market.","Designed data models and managed SQL and NoSQL databases across projects with varying scale and performance requirements."]},{"name":"i4Twins — Industry 4.0 Solutions","position":"Backend Developer","startDate":"2020-11","endDate":"2021-03","summary":"Built backend microservices for a no-code IoT platform.","highlights":["Built backend microservices for an IoT platform handling device connectivity, sensor data collection, aggregation and visualization.","Delivered authentication, authorization, user and device management, data aggregation, API control and repository management services in Node.js, MongoDB and Redis."]},{"name":"Faragaman Saya Ertebat Novin","position":"IT Security Specialist","startDate":"2016-02","endDate":"2019-05","summary":"Delivered network infrastructure and security projects for private-sector and government organizations.","highlights":["Delivered network infrastructure and security projects as a contractor for private-sector and government organizations: firewalls, IDS/IPS and endpoint protection across enterprise and industrial environments.","Worked with MikroTik, Fortinet and Kaspersky Anti Targeted Attack (KATA)."]}],"projects":[{"name":"BitBaax","description":"A crypto exchange built from zero to production with live custody of user funds: spot trading, multi-chain deposits and withdrawals, eKYC, treasury management and automated market making.","roles":["Technical Lead — architecture, core services, DevOps"],"startDate":"2024-08","endDate":"2026-07","url":"https://mohammadzafardoost.com/work/bitbaax","highlights":["~25M mainnet transactions monitored per day across four chains.","40,000 TPS load-tested throughput of the transaction ingestion and validation pipeline.","A twelve-month build delivered within 15% of plan.","40% → 15% CI failure rate across 950 pipeline runs.","The exchange core later powered TetherBaax without a fork or a change underneath."],"type":"Centralized cryptocurrency exchange"},{"name":"Goldmim","description":"An online gold platform where users buy at live global spot prices and either hold a digital gold balance for trading or take physical delivery — built on an independent core.","roles":["Technical Lead — architecture, core services, DevOps"],"startDate":"2025-01","endDate":"2026-07","url":"https://mohammadzafardoost.com/work/goldmim","highlights":["Live custody of both digital balances and physical bullion from launch.","Branch inventory, routing, verified handover and secure shipment covered end to end by one fulfillment layer."],"type":"Physical and digital gold trading platform"},{"name":"TetherBaax","description":"A custodial Tether wallet with instant buy and sell, launched on the BitBaax exchange core with only its own business logic and client surface added.","roles":["Technical Lead — architecture, core services, DevOps"],"startDate":"2025-01","endDate":"2026-07","url":"https://mohammadzafardoost.com/work/tetherbaax","highlights":["Launched with no changes to the exchange core — a live test of the module boundaries.","Reused the trade engine, wallet and custody infrastructure instead of rebuilding them."],"type":"Custodial Tether wallet and OTC platform"},{"name":"FitYar","description":"A consumer fitness app built around Borzoo, a conversational AI coach that turns a chat into a personalized training and nutrition program.","roles":["Co-Founder & Backend/Infrastructure Engineer — architecture, backend, infrastructure, AI integration"],"startDate":"2026-01","url":"https://mohammadzafardoost.com/work/fityar","highlights":["400+ exercises in the library, each with video, target muscles, equipment and form guidance.","Core tracking and execution run independently of the AI layer."],"type":"AI fitness and nutrition coaching app"}],"education":[{"institution":"Kharazmi University","area":"Information Technology","studyType":"Bachelor’s degree","endDate":"2022-03"}],"certificates":[{"name":"Certificate of Faculty Membership","issuer":"Part Software Group","date":"2023-10"},{"name":"Kaspersky Lab Certified Consultant","issuer":"Kaspersky"},{"name":"Kaspersky Anti Targeted Attack Platform","issuer":"Kaspersky"},{"name":"Bitdefender Certified Technical Specialist","issuer":"Bitdefender"},{"name":"Cisco Certified Network Associate (CCNA)","issuer":"Cisco"},{"name":"Microsoft Certified Solutions Associate (MCSA)","issuer":"Microsoft"}],"skills":[{"name":"Languages and runtimes","keywords":["Node.js","TypeScript","JavaScript"]},{"name":"Architecture","keywords":["Distributed systems","Event-driven architecture","Domain-driven design","Clean Architecture","Microservices","Service-oriented architecture","API gateways","Software solution architecture"]},{"name":"Data","keywords":["PostgreSQL","MongoDB","MySQL","Redis","Database design","Replication","Sharding strategies","Object storage"]},{"name":"Messaging and real-time","keywords":["RabbitMQ","MQTT","WebSocket","GraphQL","REST API design"]},{"name":"Fintech and blockchain","keywords":["Payment systems","Trade engines and order books","Wallets, custody and treasury","Multi-chain deposits and withdrawals (Ethereum, BSC, Bitcoin, Tron)","Market making","Real-time market data","Web3"]},{"name":"Infrastructure and delivery","keywords":["Docker","Kubernetes","GitLab CI","Nginx","Linux","HashiCorp Vault","Infrastructure as a Service","CDN","Monitoring"]},{"name":"AI engineering","keywords":["LLM API integration","OpenAI API","Conversational AI","Prompt design","Structured outputs","Agentic AI development"]},{"name":"Security","keywords":["Network security","Threat modelling","Firewalls, IDS/IPS","Endpoint protection","Secrets management","Custody security models"]},{"name":"Leadership and practice","keywords":["Technology leadership","Technical staff management","Code review","Technical interviewing","Teaching and mentoring","Scrum and agile delivery","Unit and performance testing"]}],"languages":[{"language":"English","fluency":"Professional working proficiency"}],"references":[{"name":"Majid Yaghouti Jafarabad, Senior Software Engineer, Fintech & Payments","reference":"I had the pleasure of working with Mohammad Zafardoost for two years at Part Software Group, where I was leading the API Gateway team and Mohammad was one of our key team members in the infrastructure division.\n\nMohammad consistently impressed me with his strong technical knowledge, eagerness to learn, and calm, respectful demeanor. He demonstrated excellent problem-solving abilities and had a natural talent for effective teamwork. He was also highly reliable when it came to managing and delivering tasks independently.\n\nOne of his most notable contributions was playing a significant role in the design of our digital wallet platform — a complex and impactful project that benefited greatly from his insight and dedication.\n\nHis strong technical and interpersonal skills made him such a trusted member of our team that we often involved him in technical interviews for new hires — a testament to the respect and confidence he earned from his peers and leads.\n\nAlthough he has since founded his own company, Mohammad remains deeply involved in technical work, software development, design, and R&D. I’m confident that his mix of technical expertise, professionalism, and team spirit will make him a valuable asset in any endeavor he chooses.\n\nI wholeheartedly recommend Mohammad to anyone looking to collaborate with a capable, thoughtful, and driven professional."},{"name":"Mahmood Bagheri, Senior Frontend Engineer","reference":"“Performance addict”, If you want to ask me about Mohammad, I will describe him in these two words. He is a tech-agnostic developer and I am honored and proud to share with you that I was so fortunate to work with a person like him. Excellent technical knowledge, great capacity to solve any backend challenges in shortest possible time and fast development made him a perfect backend technologies engineer."},{"name":"Mohammadreza Mirhajianmoghadam, DevOps Engineer, MSc Software Engineering","reference":"Mohammad has exceptional skill in analytical thinking which makes him a great software engineer. He is also a patient and humble person."},{"name":"Ehsan Haghighi, Co-Founder, Fusense Digital Services","reference":"His developing skill in Back end major is truly phenomenal and he is one of our most valued employees in Fusense Digital Services"}],"meta":{"canonical":"https://mohammadzafardoost.com/resume.json","version":"v1.0.0","lastModified":"2026-09-04"}}