Aleksei P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

⭐️ Upwork Expert-Vetted Full-Stack Developer ⭐️ 🕒 17,000+ Hours on Upwork | 👨🏻‍💻 20+ Years of experience | ✅ 100% Job Success Rate Strategic Engineer with 20+ years of experience in designing and scaling high-load distributed systems and microservice architectures. Expert in Go and PHP, with a deep background in event-driven platforms, fintech, and data-intensive ecosystems. Proven ability to lead engineering teams, architect complex solutions from scratch, and optimize performance under extreme peak loads. Focused on bridging the gap between robust engineering and business-critical delivery. ✅Technical Stack 🔹Languages: Go (Golang), PHP (8.x), JavaScript (ES6+), TypeScript, SQL. 🔹Frameworks & Libs: Symfony, Laravel, Gin, Echo, React, Vue.js. 🔹Databases: PostgreSQL, MySQL, ClickHouse, MongoDB, ElasticSearch. 🔹Caching & Messaging: Redis, Memcached, Kafka, RabbitMQ, gRPC. 🔹Infrastructure & DevOps: Docker, Kubernetes (K8s), Terraform, Ansible, CI/CD (GitHub Actions, GitLab CI). 🔹Observability & Tools: Prometheus, Grafana, ELK Stack, Jaeger, Git. 🔹Testing & Quality: Unit/Integration testing (PHPUnit, Go Test), TDD, Static Analysis (Psalm, PHPStan, Staticcheck). ✅Key Achievements ✔ Architected and deployed a high-load microservices ecosystem using Go and PHP, handling over 150 million requests per day with 99.9% uptime. ✔ Led a team of 5 engineers to rebuild a legacy monolith into an event-driven architecture, reducing system latency by ~30% and improving deployment frequency. ✔ Optimized database performance and caching strategies for data-intensive products, resulting in a ~40% reduction in server infrastructure costs. ✔ Mentored mid-level and junior developers, establishing best practices for code reviews, CI/CD pipelines, and automated testing that improved overall team velocity. ✔ Designed a real-time data processing pipeline using [Kafka/RabbitMQ], enabling business stakeholders to access critical analytics with sub-second delay. ✅Professional Timeline & Philosophy 🔹20+ Years of Evolution: From developing foundational medical management systems in 2002 to architecting modern, high-load distributed platforms today. 🔹Diverse Domain Expertise: Proven track record in Fintech, HealthTech, Pharma, and Entertainment, delivering solutions ranging from complex economic modeling to high-performance engines. 🔹Consultancy Background: Extensive experience as an independent contributor on global platforms (Upwork), developing a strong sense of ownership, client-centric communication, and self-discipline. 🔹Commitment to Quality: Focused on engineering excellence, long-term system maintainability, and building sustainable technical partnerships.