Dmitry Efremov
Freiberuflich, Data Engineer | Data Analyst | Architect, Freelance, self-employed
Tbilisi, Georgien
Über mich
Accomplished data expert and solution architect with 19 years of professional experience who loves solving business problems with the latest and greatest technology. Experience working with US/EU companies and startups. Experienced in effective team communications and applying data-driven principles in order to provide insightful solutions to business and help improve decision making processes.
Werdegang
Berufserfahrung von Dmitry Efremov
Bis heute 9 Jahre und 6 Monate, seit Jan. 2015
Data Engineer | Data Analyst | Architect
Freelance, self-employed
- determining business goals and translate them into data driven solutions - analyzing the data, building ETL data pipelines and data warehouse - identifying, gathering and analyzing competitors data to improve marketing efforts - API integration, advertising and e-commerce automations - implementing ML solutions to speed up operations and increase its efficiency - Technologies: Postgresql | MySQL | MSSQL | Oracle, Python, R, bash, Digital Ocean | AWS | Hetzner, Machine Learning | Neural Networks
1 Jahr und 1 Monat, Feb. 2021 - Feb. 2022
CIO
Mercury AI (startup)
- initiating and leading the startup project (sales rep voice assistant based on natural language processing) - responsible for solution architecture, finding best in class open source components and integrating them into solution - developing data architecture, pipelines, NN/ML/NLP models - implementing user friendly voice and visual interfaces - Main stack: Postgresql, Python, bash, Terraform, git, Digital Ocean, Metabase, Django, VoIP (Asterisk)
- leading the team of Data Engineers - code reviews, regular scheduled communication, defining and following guidelines, scrum, extreme programming, internal learning - responsible for system architecture, backup and CI/CD strategies - implementing full cycle of data pipelines (API integrations, ETL, DWH, reporting) - Technologies: MS SQL, Python, bash, Looker, git
Ausbildung von Dmitry Efremov
4 Jahre und 11 Monate, Sep. 1999 - Juli 2004
Mathematics
Moscow State University
Sprachen
Englisch
Fließend
Spanisch
Grundlagen
Russisch
Muttersprache