Hi, I'm Grigoriy Masich

Technical Lead / Senior Developer

Technical Lead with 6+ years of experience in the telecom industry. Leading a team of 4 specialists, architected systems serving 100K+ subscribers.

About Me

Technical Lead with 6+ years of experience in the telecom industry. Leading a team of 4 specialists, architected systems serving 100K+ subscribers. Reduced operational costs by 30% through automation.

Expertise: Java (Spring Boot), Go, React, microservices, Kubernetes, AI integrations.

0+
Years of experience
0K+
Subscribers
0%
Cost savings
0
Team members

Key Projects & Achievements

OLT Monitoring System

Diagnostics: 15 min → 30 sec

Developed a full-stack monitoring system for 350+ OLT devices using Java/React. Saves 200+ man-hours per month.

Java
Spring Boot
React
PostgreSQL
SNMP

Speech Analytics Platform

Live: aixflow.ru

SaaS platform: call transcription (GigaAM, 57x realtime), AI script compliance analysis, automatic escalation. React 19 + Express 5 + MongoDB + Kubernetes.

React 19
TypeScript
Express
MongoDB
GigaAM
Kubernetes

Voice Bot (Asterisk)

First-line support automation

Autonomous voice bot using Vosk STT + GPT + TTS.

Asterisk
Vosk
GPT
TTS
Python

Security System

Attack surface: 2 ports

Nginx reverse proxy, split-DNS, VLAN segmentation, 2FA via RADIUS.

Nginx
RADIUS
VLAN
Split-DNS
Fail2Ban

Infrastructure Automation

Managing 50-80 servers

Ansible + OpenSearch. Routine operations: hours → minutes.

Ansible
OpenSearch
Docker
GitLab CI/CD

Technical Skills

Backend

Java 17
Spring Boot 3.x
Microservices
Go
REST API

Frontend

React 19
TypeScript
Redux

Databases

PostgreSQL
MongoDB
Percona XtraDB Cluster

DevOps

Docker
Kubernetes (k3s)
Ansible
GitLab CI/CD

AI/ML

LLM (GPT)
Whisper
GigaAM
Asterisk

Telecom

OLT/ONU
PON Networks
SNMP
Open to offers

Looking for Technical Lead / Senior Developer position

Open to job opportunities and interesting projects.