# Mohamad Rahimi **Senior Backend Developer** I'm an expert backend developer and technology leader with experience in software engineering, distributed systems, and high-performance computing. As the former Co-Founder and CTO of P.G. Havin, I’ve led teams to deliver scalable solutions in cloud computing and AI-driven systems. I’m eager to apply my expertise and collaborate on building applications that drive business success. ## Contact - Email: i@mrahi.me - Telegram: https://t.me/RahimiPooya (@RahimiPooya) - LinkedIn: https://www.linkedin.com/in/mohamad-rahimi/ - GitHub: https://github.com/PooyaRah - Website: https://mrahi.me ## Experience ### [Acardeon](https://acardeon.ir) Tech Lead & Senior Backend Developer · Iran · April 2024 – June 2025 Designed and led the backend development of a scalable live music ticketing platform using Java and PostgreSQL. Implemented WebSockets for real-time seat availability and built secure transaction processing to ensure reliable ticket sales and event check-ins. ### [The Human Insight Project (Remote: Colorado, USA)](https://thi.ai) Senior Backend Developer · Colorado, USA (Remote) · March 2023 – May 2025 Developed and maintained scalable Java-based backend systems for THI.AI, supporting a multilingual AI-powered medical assistant. Integrated advanced large language models to provide real-time medical insights and collaborated with OVHcloud to optimize cloud infrastructure and data security. ### [Zard.AI (Remote: Dubai, UAE)](https://zard.ai) Tech Lead & Senior Backend Developer · Dubai, UAE (Remote) · December 2022 – February 2025 Led the backend team in designing and implementing scalable microservices architectures using Java and Python for AI-driven enterprise solutions. Developed high-performance data pipelines, integrated machine learning models, and collaborated with cross-functional teams to enhance automation, efficiency, and transparency. ### [Noora Payment (Remote: Dubai, UAE)](https://noorapayment.com) Senior Backend Developer & DevOps Engineer · Dubai, UAE (Remote) · December 2022 – October 2024 Developed scalable microservices for crypto payments using JavaScript and Moleculer. Integrated MongoDB, designed CI/CD pipelines, and managed containerized infrastructure with Docker Compose. Implemented monitoring to ensure high availability and performance. ### [Sabz Ventures (Remote: Georgia, USA)](https://www.sabz.vc) Co-Founder & Research Lead · Georgia, USA (Remote) · January 2022 - September 2024 Led backend and on-chain development for Sabz Ventures, specializing in quantitative crypto trading. Designed automated trading algorithms with machine learning, developed the Bitcoin-only Ethereal Strategy, and built an on-chain analytics dashboard for real-time performance monitoring. Contributed to AlphaMine XYZ, enhancing blockchain analytics and multi-account management. ### [Dibsetan](https://dibsetan.ir) Co-Founder & Tech Lead · Iran · January 2021 - March 2025 Led backend development for a social network for book enthusiasts, designing scalable systems and RESTful APIs to support high-volume interactions. Integrated real-time features such as tweet-like feeds, user ranking, chat, and third-party bookstore integration, enhancing community engagement. Optimized database performance and caching strategies, improving content delivery and user experience. ### [Pardazesh Gostar Havin](https://www.havin.io) Co-Founder & CTO · Iran · Oct 2016 – May 2025 Led technical strategy and architecture for an AI-driven, blockchain, and cloud-native systems consulting firm, specializing in FinTech, Healthcare, and Logistics. Managed a 20+ engineering team, driving innovation in distributed systems and microservices. Directed R&D in AI/ML integration and optimized workflows by 30% through custom tools and automation. Implemented DevOps best practices and managed CI/CD pipelines using Docker and Kubernetes. Oversaw development of key products like **Clinica**, a smart dental clinic management system, and **Straudio**, a platform for global music collaboration. Established partnerships, driving technology adoption and business growth. ### Caspian Robotic Team Embedded C Programmer & Electronic Circuit Designer · Iran · September 2012 - June 2014 Developed software and electronic circuits for autonomous rescue robots in IranOpen Junior Rescue competitions. Designed circuits with Altium Designer and Proteus, programmed control systems in C, and optimized sensor-actuator interactions to improve performance and reliability. ## Skills ### Soft Skills Problem Solving, Strategic Planning, Communication, Adaptability, Leadership, Team Management ### Software & Backend Development - Architectures: Distributed Systems, Microservices, Real-Time, Multi-Tenant, Concurrent Programming - Languages & Frameworks: - Java — Jersey, Quarkus, Spring - JavaScript — Moleculer, Express - Python — FastAPI - API & Communication: REST, GraphQL, gRPC, WebSockets - API Documentation: Swagger, Postman ### DevOps & Infrastructure - Containers & Orchestration: Docker, Docker Compose, Kubernetes - CI/CD: GitLab CI, GitHub Actions - Monitoring & Observability: OpenTelemetry, Jaeger, Grafana, Prometheus, New Relic - Web Servers: Nginx, Apache, Traefik, Tomcat - Optimization: Load Balancing, Rate Limiting, Caching, Auto-scaling ### Databases - Databases: MySQL, PostgreSQL, MongoDB, Cassandra, Elasticsearch, Redis, InfluxDB - ORM & Data Access: JDBC, JPA, Hibernate, Prisma, Mongoose ### Messaging & Event Streaming Apache Kafka, RabbitMQ, Ably ### Cloud Providers DigitalOcean, AWS, OVHcloud, ArvanCloud, Google Cloud ### Embedded Systems Raspberry Pi, Arduino, Embedded C, Electronic Circuit Design ## Education - **Ph.D., Computer Architecture** — University of Isfahan, Isfahan, Iran (September 2024 - present). Department of Computer Engineering. - **M.Sc., Artificial Intelligence and Robotics** — University of Isfahan, Isfahan, Iran (September 2020 - September 2024). Department of Computer Engineering. - **B.Eng., Biomedical Engineering** — Islamic Azad University, Najafabad Branch, Iran (September 2015 - June 2020). Department of Biomedical Engineering. ## Certifications - Oracle Certified Associate, Java SE 8 Programmer — Metaco - Linux Engineer (LPIC-2) — Metaco - Certified Linux Administrator (LPIC-1) — Metaco ## Publications - Classification and Analysis of On-Chain Data — Department of Computer Engineering, University of Isfahan, Isfahan, Iran. M.Sc. Project. - Preliminary & Step-by-Step Tutorial on Arduino Uno — Yar-e-Mana Publication, Iran. Payam Sanaee and Mohamad Rahimi. ([link](https://taaghche.com/book/132364)) - Design and Implementation of a Smartphone-Based Hearing Aid — Department of Biomedical Engineering, Islamic Azad University, Najafabad Branch, Iran. B.Eng. Project. ## Honors & Awards - FinTechFest Pasargad Bank — 2nd Place (2017) - Tosan Hackathon FinTech — Finalist (2017) - IranOpen junior Rescue League — Finalist (2014) - IranOpen junior Rescue League — Finalist (2013) - National Organization for Development of Exceptional Talents (NODET) — Member (2008 - 2015)