Alireza Mohagheghi
Senior Backend Engineer | Distributed Systems | AI Infrastructure | Fintech Systems
📍 Cyprus — Open to Remote & Relocation
Professional Summary
Senior Backend Engineer with 7+ years building high-throughput distributed systems in fintech and AI infrastructure. Experienced in leading teams and owning products end-to-end — from architecture to deployment.
Skills
Architecture & Patterns
System DesignMicroservicesDDDSAGASOLIDEvent-Driven ArchitectureLedger SystemsCQRSOutbox Pattern
Languages & Frameworks
TypeScriptNode.jsNestJSPHPLaravelReactNext.jsJavaScriptJest
Databases & Storage
PostgreSQLMySQLMongoDBRedispgvectorBullMQRabbitMQ
Deployment
DockerNginxPM2TraefikCoolifyKubernetesAWSCI/CDGitHub Actions
AI & Search
RAG PipelinesVector SearchLLM IntegrationOpenAI APIOpenRouterSemantic SearchFine Tuning
Experience
Technical Founder & Backend Engineer
NestJSTypeScriptNode.jsPostgreSQLpgvectorRedisRabbitMQDockerKubernetesNext.jsOpenAI APIOpenRouterStripeJestCoolifyNginx
- codor.dev (AI-Native Coding Assistant): Designed and deployed an end-to-end AI-native development tool, implementing advanced RAG pipelines and vector search infrastructure utilizing PostgreSQL and pgvector.
- Optimized LLM context windows and semantic retrieval token-matching, achieving sub-2s streaming responses and a 25% reduction in API token costs.
- Ramzito.com (Full-Scale Crypto Exchange): Demonstrated ultimate product ownership by single-handedly architecting, developing, and deploying a comprehensive cryptocurrency exchange platform within 27 days (handling Frontend, Backend, and DevOps).
- Engineered an event-driven ledger and trading system backed by a rigorous testing suite consisting of 500+ unit tests and 80+ End-to-End (E2E) tests using Jest, guaranteeing zero-fault transaction processing.
- Built robust deployment pipelines using Docker, Nginx, and cloud instances, ensuring full observability (structured logging and performance tracking) across all microservices.
Backend Engineer, Team Lead
NestJSTypeScriptNode.jsPostgreSQLRedisBullMQRabbitMQDockerNginx
- Led a high-performing backend engineering team to build a high-throughput P2P fiat/crypto exchange supporting 100+ active markets with 99.99% uptime.
- Designed scalable microservices using Node.js, NestJS, and TypeScript, implementing DDD (Domain-Driven Design), SAGA patterns, and event-driven architectures to handle high-concurrency ledger systems.
- Scaled real-time transaction processing for 100k+ active users, utilizing Redis / BullMQ for reliable queue management and low-latency API deliveries.
2021 – 2022
- Engineered real-time, high-traffic campaign systems handling up to 150,000 concurrent users and managing peak loads of 10,000+ RPS.
- Formulated automated data-processing pipelines that successfully ingested and analyzed 5M+ records per campaign with strict data integrity validations.
2020 – 2021
- Architected secure Laravel-based payment gateway microservices.
- Implemented automated KYC, cutting merchant onboarding latency by 35%.
- Decoupled legacy monolith into modular packages to optimize transaction logging and audit trails.
2019 – 2020
- Built distributed ingestion workers processing 100M+ social data events.
- Designed ingestion layers with Node.js and MongoDB to buffer and parse telemetry datasets.
- Developed analytics reporting dashboards utilized across 20+ countries.
Education & Certifications
Bachelors, Mathematics
Feb 2016 – May 2020Rajaei Tehran University
LFW212 – Node.js Services Development
The Linux Foundation