Konstantin Krechetov
Golang developer @ NDA
About
🚀 Senior Golang Developer | High-Load Systems (30K+ RPS) | Microservices Architect | 5+ years 💡 Feature Lead: Admin Panel Modernization & Monolith→Microservices Migration (PHP/Python → Go) 🔧 Tech Stack: gRPC/Kafka, SQL/NoSQL (PostgreSQL/Redis/ES/MongoDB), Profiling (pprof) 📊 Performance Optimizer: 40% Latency Reduction | Grafana/Sentry | A/B Testing I architect and optimize high-traffic backend systems (30K+ RPS) using Golang. Key achievements: • Led modernization of Admin Panel (Scrum): Migrated 15+ modules from PHP/Python to Go microservices • Boosted system resilience: Cut latency 40% via pprof profiling + built monitoring (Grafana/Sentry) • Scaled databases: Optimized PostgreSQL/Redis sharding, Elasticsearch clusters • Drove data decisions: A/B testing frameworks, metrics-driven optimizations Core Expertise: » Event-driven architecture » High-load troubleshooting » CI/CD & observability Passionate about transforming technical constraints into scalable solutions. Technologies: Golang, Kafka, PostgreSQL, Redis, Elasticsearch, MongoDB, Docker, Kubernetes, gRPC, REST, Python, SQL, Prometheus, Grafana, Sentry, pprof, Scrum, JIRA, Teamcity. #Golang #Microservices #HighLoad #DistributedSystems #Backend
Armenia
Yerevan
Computer Software
Go (Programming Language), PostgreSQL, Apache Kafka, MongoDB, Python, Redis, SQL, NoSQL, Elasticsearch, REST APIs, gRPC, Kubernetes, Sentry, TeamCity, Web Applications, Grafana, Communication, Professional Skills, API Development, Software Testing
Experience
Golang developer
NDA
Backend Developer
Avito
• Lead cross-functional initiatives: Directed a year-long Admin Panel modernization project (Scrum) • Solve scale challenges: Migrated monoliths (PHP/Python) to cloud-native microservices (gRPC, Kafka) • Ensure system resilience: Implemented monitoring/alerting (Grafana, Sentry), reduced latency via profiling (pprof) • Drive data-driven decisions: Conducted A/B tests, optimized SQL/NoSQL (PostgreSQL, Redis, Elasticsearch) Technologies: Golang, Kafka, PostgreSQL, Redis, Elasticsearch, MongoDB, Docker, Kubernetes, gRPC, REST, Python, SQL, Prometheus, Grafana, Sentry, pprof, Scrum, JIRA, Teamcity
Python Developer
Gazprom Neft
• 10x speedup of mathematical predictive models (numba & cython) • Parallelized mathematical models (multiprocessing) • Created a web-UI using streamlit • Built a Docker-image of product Technologies: Python, Numba, Pandas, Cython, Streamlit, Docker, Multiprocessing
Education
Saint Petersburg State University
Mechanics and Mathematical modelling
• Mathematical Analysis • Linear Algebra • Probability Theory • Other fundamental mathematical disciplines
Konstantin Krechetov's Contact Information
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