01 ALIREZA RAYEJ — FULL-STACK DEVELOPER · DEVOPS & CLOUD INFRASTRUCTURE ENGINEER
I BUILD THE
PRODUCT AND
RUN THE SERVERS.
Mobile apps, REST APIs, admin panels — built end to end, then deployed, secured and kept alive on infrastructure I manage myself. Shipping software since 2017.
60K+
DAILY USERS ON APPS I BUILT
30K+
GPS DEVICES BEHIND SERVERS I RUN
5yrs
FOUNDED & RAN MY OWN HOSTING COMPANY
0→1
PRODUCTS TAKEN FROM IDEA TO PRODUCTION
02 SELECTED WORK
FOUR PRODUCTS,
BUILT END TO END.
PHOENIX
GPS tracker & anti-theft product — hardware, mobile apps and the tracking backend, built end to end.
SPORTSBOX
Fitness platform — sole engineer for two years: offline-first iOS/Android apps, REST API, infrastructure.
SPORTSBOX ADMIN & API
React admin panel + Node.js REST API — built solo, UI/UX included. RBAC, payments, diet PDFs, ticketing.
SIGNAL & HYMAX
Apps for two GPS tracker manufacturers — ~60,000 people use them every day to watch their vehicles.
03 EXPERIENCE
NINE YEARS OF
SHIPPED THINGS.
Hosting Service — founder & technical director
Built and ran a hosting company for enterprise clients: automated provisioning, shared mail & DNS, WAF, multi-layer load balancing, high availability with redundancy across layers, managed Linux/Windows VPS and containers.
Phoenix — car tracking & anti-theft product
Spotted a reliability gap in the GPS tracker market and built a product for it — project management, programming and hardware design, down to plastic mold design and component selection.
CoolFan — real-time fan control app
International project: synchronized sound broadcasting across many devices at once. Built and deployed the MVP — server, Android and iOS.
SportsBox — sports platform
Two years as the sole engineer: technical management, iOS/Android apps, REST API, admin panel and server operations.
Online examination system
Built a university exam platform during COVID, serving thousands of students daily, with automatic user sync against the university's main database.
Vehicle tracker apps — Signal & HyMax
Android, iOS and web apps for two GPS tracker manufacturers — now serving 60,000+ active users daily.
Online Charging System — for two telecom operators
Developed and deployed a complete OCS (the core billing system of mobile operators) on the Diameter protocol, in line with 3GPP standards.
Social network — Erlang backend
Erlang backend + React Native frontend. Designed two custom protocols (ALP, ALFTP) for messaging and file transfer, and rewrote the PostgreSQL driver for Erlang for performance.
Automated bag-filling machine
Found an imprecise-weight problem on a factory floor and built the machine that fixed it.
04 SKILLS
THE TOOLBOX.
LANGUAGES
JavaScript · Python · C/C++ · C# · Java · PHP · Erlang · Perl · Bash
FRAMEWORKS
React · React Native · Node.js · Express · Django · Pyramid
CLOUD & INFRASTRUCTURE
AWS · Proxmox · Docker · Kubernetes · Nginx · OpenBSD PF · PowerDNS · Redis · EMQX · Firebase · Grafana · Git
OPERATING SYSTEMS
Linux · OpenBSD · FreeBSD · Windows Server
DATABASES
PostgreSQL · MySQL · Cassandra · Prometheus
05 HONORS & AWARDS
PROOF.
WorldSkills International — 11th worldwide, Cloud Computing
Goyang, South Korea. Competition hosted on AWS, including AWS JAM and GameDay.
Gold Medal — National Skills Competition, Cloud Computing
First place nationwide.
Cloud Computing expert — National Skills Competitions
Training and guiding the next national-team competitors for WorldSkills.
Outstanding bachelor's student — Sadjad University
Top rank — regional network & software competitions
First place — programming competition, Samah University
Also wrote one of the first Erlang tutorial series in my native language the same year.