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I am a Senior Full-stack Engineer with 15+ years building scalable systems, specializing in Python microservices and modern React front-ends. I thrive on turning complex requirements into robust, API-first architectures and enjoy delivering production-ready software that scales. Based in Karaj, Iran, I am seeking full-time remote opportunities with flexible EU time zones. I have strong experience with Kafka, Docker/Kubernetes, Stripe integrations, and event-driven patterns, and I value async communication, documentation-first workflows, and clean, maintainable code.…I am a Senior Full-stack Engineer with 15+ years building scalable systems, specializing in Python microservices and modern React front-ends. I thrive on turning complex requirements into robust, API-first architectures and enjoy delivering production-ready software that scales. Based in Karaj, Iran, I am seeking full-time remote opportunities with flexible EU time zones. I have strong experience with Kafka, Docker/Kubernetes, Stripe integrations, and event-driven patterns, and I value async communication, documentation-first workflows, and clean, maintainable code.

Ali Sajadian

Full Stack Developer, Back-End Developer, Front-End Developer, +1

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I am a Senior Full-stack Engineer with 15+ years building scalable systems, specializing in Python microservices and modern React front-ends. I thrive on turning complex requirements into robust, API-first architectures and enjoy delivering production-ready software that scales. Based in Karaj, Iran, I am seeking full-time remote opportunities with flexible EU time zones. I have strong experience with Kafka, Docker/Kubernetes, Stripe integrations, and event-driven patterns, and I value async communication, documentation-first workflows, and clean, maintainable code.…I am a Senior Full-stack Engineer with 15+ years building scalable systems, specializing in Python microservices and modern React front-ends. I thrive on turning complex requirements into robust, API-first architectures and enjoy delivering production-ready software that scales. Based in Karaj, Iran, I am seeking full-time remote opportunities with flexible EU time zones. I have strong experience with Kafka, Docker/Kubernetes, Stripe integrations, and event-driven patterns, and I value async communication, documentation-first workflows, and clean, maintainable code.

Available to hire

I am a Senior Full-stack Engineer with 15+ years building scalable systems, specializing in Python microservices and modern React front-ends. I thrive on turning complex requirements into robust, API-first architectures and enjoy delivering production-ready software that scales.

Based in Karaj, Iran, I am seeking full-time remote opportunities with flexible EU time zones. I have strong experience with Kafka, Docker/Kubernetes, Stripe integrations, and event-driven patterns, and I value async communication, documentation-first workflows, and clean, maintainable code.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Persian

Fluent

Work Experience

Senior Full-stack Engineer at Independent Contractor / Personal Projects

January 1, 2022 - January 1, 2025

Architected and deployed production e-commerce platform with 7 microservices (Auth, Product, Order, Payment, Notification, Review, and Recommendation). Solo architect and developer; implemented event-driven architecture with Kafka and gRPC; built with FastAPI and Nest.js, PostgreSQL, MongoDB, Redis; deployed on Kubernetes with Traefik ingress; integrated Stripe payments and multi-channel notifications; applied CQRS, event sourcing, and saga patterns to ensure reliability and scalability.

Senior Back-end Engineer at Steel Structure Fabrication and Machinery Co.

January 1, 2024 - January 1, 2024

Integrated legacy inventory system via VPN-secured API bridge across three locations; background service processing 1,000+ daily transactions with 99.8% accuracy; automated synchronization eliminating manual data entry (100% reduction) and secure API channels with end-to-end encryption.

Full-Stack Developer at EPC Holding Company

January 1, 2023 - January 1, 2023

Project Reports Management System (PRMS): Centralized reporting platform aggregating construction data; RESTful API with RBAC; automated dashboards reduced executive reporting time by 80%; created a reusable component library with 30+ components.

Senior Full-stack Engineer at Asfalt Tous EPC Holding Co

January 1, 2015 - January 1, 2022

Led development of internal software systems serving 500+ employees across 6 subsidiary companies; built in-house Restaurant Customer Ordering System; real-time Production Control System (PCS) with on-site hardware integration; improved operational efficiency and data visibility across sites.

Contract Software Engineer at Various Iranian Clients

January 1, 2008 - January 1, 2014

Developed enterprise software for industrial, commercial, and educational clients; notable projects include Cost Control System (CCS) for EPC Construction; Enterprise Assessment Platform with 10,000+ question bank and automated grading; Shipping Management System for Irano Hind Shipping; delivered scalable, SQL Server-backed solutions.