Golang Developer

Summary

Backend developer with 7+ years of experience, specializing in Golang development and microservice architecture. Built scalable, high-performance systems, including services with 100,000+ active users and 50,000 daily transactions. My expertise includes integrating payment systems and supporting critical infrastructure.

As a team lead, I’ve guided developers using Agile practices to deliver projects on time.

Technical Proficiencies

• Backend / Frontend: Golang, PHP, Javascript, HTML, CSS, concurrency, gRPC, unit testing
• Architecture: Microservices, RESTful API, DDD, EDA, API Gateway, OAuth
• Databases: PostgresSQL, MySQL, Tarantool, Redis, InfluxDB
• Monitoring: Loki, Jaeger, Grafana
• DevOps & Infrastructure: Docker, Kubernetes, Linux, Elasticsearch, CI/CD, RabbitMQ, Nginx

Languages

Russian, Kazakh — Native

English, Italian — Intermediate (B1)

Proficient in reading and writing technical documentation in English

Professional Experience

ChocoFamily Holding. Almaty, Kazakhstan

ChocoFamily is Kazakhstan's largest IT holding company, founded in 2011. It includes a diverse ecosystem of online services.

Senior Golang Developer – May 2022 — Present

• Developed core backend services, delivering API endpoints for the Chocoapp mobile platform.
• Built and maintained microservices for payment processing, authentication services, and API gateway.

Key Achievements:

• Refactored and migrated legacy services to Golang, improving time-to-market for development and minimizing error rates.
• Integrated multiple external payment providers, boosting transaction reliability and increasing SLA from 70% to 98%.
• Established monitoring for the system's business metrics, improving operational visibility and enabling faster issue resolution.

Backend Team Lead – March 2020 — May 2022

• Led a team of 3 developers as a Team Lead, promoting Agile methods and ensuring project delivery.
• Designed and implemented backend solutions
• Coordinated with cross-functional teams, including mobile and DevOps

Key Achievements:

• Built services for Rahmetpp with over 100K active users, processing up to 50k transactions daily.
• Led the hiring process for backend developers, conducting technical interviews and candidate evaluations. Successfully onboarded at least 5 new team members.
• Mentored new employees and trained interns, supporting their professional growth.
• Made business-technical decisions that enhanced system efficiency and aligned development efforts with business objectives.

Middle Backend Developer – August 2018 — March 2020

• Developed service architecture and designed API interactions.
• Collaborated with mobile developers and DevOps teams to ensure seamless app integration.
• Contributed to the Kubernetes migration, supporting DevOps efforts in scaling and deployment.

Key Achievements:

• Developed a dynamic cashback system that adapts based on user payment history, resulting in 15% growth in transaction volume over six months
• Designed and implemented a data collection platform using Event-Driven Architecture, resulting reduction in query latency.

Mitwork – June 2017 – August 2018. Almaty, Kazakhstan

Intern / Junior PHP Developer

Mitwork is a leading procurement operator for the quasi-public sector, providing procurement systems for the largest national and commercial enterprises.

• Developed and maintained UI components for the trading platform.
• Implemented new features to enhance platform functionality and user experience.

Key Achievements:

• Created a classification system for CRM integration, which allowed the removal of manual data processing and reduced data entering errors by 99%
• Integrated Google Charts for advanced data visualization, offering an intuitive and interactive interface that extended users' time on the platform
• Began as an intern and was promoted to full-stack Junior Developer.

Education

• 2016 – 2017 — Software development. STEP Computer Academy, Kazakhstan branch, Almaty (itstep.org)
• 2019 — Go Bootcamp: Master Golang (Udemy)
• 2023 — Concurrency in Go (stepik.org)
• 2024 — Go Event-Driven (Three Dots Labs Academy)