Alexander Baikálov

Alexander Baikálov

Back End Developer | Data Science & Software Engineering

Barcelona, Spain
+34 633 83 75 66
asederado@gmail.com

Professional Summary

Backend developer with expertise in microservice architecture, API development, and database optimization. Currently working at Dribba while pursuing a Bachelor's in Data Science at UOC part-time. Proven track record in scalable backend solutions, decentralized systems, and full-stack development. Fluent in English, Spanish, Russian, and Catalan.

Experience

Back End Developer @ Dribba, the mobile agency

Barcelona - Hybrid

Mar 2025 - Present
  • Backend development, microservices with hexagonal architecture
    Data transfer with GraphQL and gRPC API development with Go.
    Built Go services using goroutines, channels, and context for concurrency and performance.
    Optimized services with profiling, added resilient patterns (retries, circuit breakers, transactions).
    Google Cloud management (Registry, Observability, Logging, Performance Analysis)
  • Skills: Back-End Development (Golang mostly), Google Cloud, Kubernetes Cluster Management, Elasticsearch end-to-end management, Gitlab CI/CD pipelines

Software Engineer @ hello.app

Barcelona

Apr 2022 - Oct 2024
  • Full-time position developing backend and frontend systems.
    Initial core architecture development from scratch and kubernetes setup.
    Amazon Web Services management (instance management, load balancing, domain management)
  • Skills: Golang, AWS, PostgreSQL, Kubernetes, Linux, Docker, APIs, Code Review, REST, Data Analysis

Freelancer @ IT

Remote

Jan 2021 - Apr 2022
  • Mid to small software development projects
  • Including: CMS's, processes automatization, app development, data scrapers, crawlers, education, portfolios.

Featured Projects

wallapop-flip-opportunities

Python, Jupyter Notebook

A flip opportunity prediction service based on multiple processes to scrape, extract, analyze and train a flip opportunity machine learning prediction model.

Technologies: AI, Data Science, Machine Learning, Data Engineering, Data Analysis

obramat-crawler

JavaScript

A system to retrieve data from obramat platform for analytics and statistics. Sleek analytics dashboard and data crawler of a construction site.

Technical Skills

Backend & Server

Linux PostgreSQL REST APIs GraphQL gRPC AWS Google Cloud Kubernetes Docker

Languages & Frameworks

Go TypeScript JavaScript Node.js React.js Java Kotlin Python

Education

Bachelor's in Data Science

Universitat Oberta de Catalunya (UOC)

Feb 2025 - Present

Focus: Machine Learning, Big Data

Associate's in Web Development

IES La Pineda

Sep 2021 - Jun 2023

Fullstack web development: design, responsiveness, backend, frontend, entrepreneurship, teamwork


Languages

English Native or bilingual
Spanish Native or bilingual
Russian Native or bilingual
Catalan Native or bilingual
German Elementary

Certifications

  • Git & GitHub - OpenWebinars (Mar 2023)
  • Agile UML - OpenWebinars (Dec 2022)
  • Introduction to Testing - OpenWebinars (Jan 2023)