resume.tex

%-------------------------
% Resume in Latex
% Author : Alex Ryndin
% Updated : 2026-02
%-------------------------

\documentclass[letterpaper,10pt]{article}

\usepackage{latexsym}
\usepackage[empty]{fullpage}
\usepackage{titlesec}
\usepackage{marvosym}
\usepackage[usenames,dvipsnames]{color}
\usepackage{verbatim}
\usepackage{enumitem}
\usepackage[pdftex]{hyperref}
\usepackage{fancyhdr}

\pagestyle{fancy}
\fancyhf{}
\fancyfoot{}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}
\setlength{\footskip}{8pt}

% Adjust margins
\addtolength{\oddsidemargin}{-0.5in}
\addtolength{\evensidemargin}{-0.5in}
\addtolength{\textwidth}{1in}
\addtolength{\topmargin}{-0.6in}
% Slightly taller text block to keep the resume on a single page
% without overly tightening line spacing.
\addtolength{\textheight}{1.35in}

\urlstyle{same}

\raggedbottom
\raggedright
\setlength{\tabcolsep}{0in}

% Sections formatting
\titleformat{\section}{\vspace{-2pt}\scshape\raggedright\large}{}{0em}{}[\color{black}\titlerule \vspace{-5pt}]

%-------------------------
% Custom commands
\newcommand{\resumeItem}[2]{
  \item\small{\textbf{#1:} #2\vspace{-2pt}}
}

\newcommand{\resumeSubItem}[2]{\resumeItem{#1}{#2}}

\newcommand{\expSubheading}[4]{
  \item
    \begin{tabular*}{\textwidth}{l@{\extracolsep{\fill}}r}
      \textbf{\textbullet\ #1} & \textit{\small #4} \\
      \textit{#2} & \textit{\small #3} \\
    \end{tabular*}
    % Keep the layout compact but preserve a readable gap between the role line
    % and the first bullet list.
    \vspace{0.5pt}
}

\renewcommand{\labelitemii}{$\circ$}

% Top-level lists for section entries (Experience/Education) should not show bullets.
% Keep vertical spacing tight to avoid an almost-empty second page.
\newcommand{\resumeSubHeadingListStart}{\begin{itemize}[leftmargin=0in, label={}, itemsep=3pt, topsep=1pt, parsep=0pt, partopsep=0pt]}
\newcommand{\resumeSubHeadingListEnd}{\end{itemize}}
\newcommand{\resumeItemListStart}{\begin{itemize}[leftmargin=0.18in, itemsep=1pt, topsep=0pt, parsep=0pt, partopsep=0pt]}
\newcommand{\resumeItemListEnd}{\end{itemize}\vspace{-3pt}}

%-------------------------------------------
%%%%%%  CV STARTS HERE  %%%%%%%

\begin{document}

%----------HEADING-----------------
\begin{tabular*}{\textwidth}{l@{\extracolsep{\fill}}r}
  \textbf{\href{http://alexryndin.me/}{\Large Alex Ryndin}} & \href{mailto:trytohire@alexryndin.me}{trytohire@alexryndin.me} \\
  \textit{Senior / Lead Site Reliability Engineer (Data Platforms)} & +7\,999\,700\,17\,13 \\
  \href{http://alexryndin.me/}{alexryndin.me} & Moscow, Russia (Hybrid) \\
\end{tabular*}

%-----------SUMMARY-----------------
\section{Summary}
\small{
Site Reliability / Platform Engineer with 8+ years in data infrastructure and reliability: Kafka, ClickHouse, and large-scale batch/stream processing (Hadoop \textrightarrow{} YTsaurus). Strong focus on automation, self-service operations, and reducing time-to-data.
}

%-----------SKILLS-----------------
\section{Core Skills}
\begin{itemize}[leftmargin=*, itemsep=0pt, topsep=0pt, parsep=0pt, partopsep=0pt]
  \item \small{\textbf{Data Platforms:} Kafka, ClickHouse, Hadoop, YTsaurus}
  \item \small{\textbf{SRE/DevOps:} incident response, on-call, reliability engineering, observability, capacity planning}
  \item \small{\textbf{Automation:} infrastructure-as-code, configuration management, CI/CD, internal tooling}
  \item \small{\textbf{Languages:} Go, Python, Bash (plus Java/C/Rust as needed)}
\end{itemize}

%-----------EXPERIENCE-----------------
\section{Experience}
\resumeSubHeadingListStart

  \expSubheading
    {MTC Web Services (MWS)}{Senior Site Reliability Engineer}{Moscow, Russia}{Oct 2025 -- Present}
    \resumeItemListStart
      \resumeSubItem{Internal Managed Databases (ClickHouse)}{Develop and operate internal managed database services with the primary focus on ClickHouse: reliability, scalability, and operational maturity.}
      \resumeSubItem{Support Automation}{Automate recurring L1/L2 support flows and internal user requests (runbooks, tooling, and process improvements) to reduce manual operations and speed up resolution.}
    \resumeItemListEnd

  \expSubheading
    {VK (former Mail.ru Group)}{Lead Site Reliability Engineer}{Moscow, Russia}{Feb 2024 -- Oct 2025}
    \resumeItemListStart
      \resumeSubItem{kafka-rebound (Kafka Migration Service)}{Designed and implemented \textbf{kafka-rebound} --- a service to migrate and backfill data between Kafka clusters; adopted as a standard migration tool and used in production for \textbf{20+ Kafka clusters}.}
      \resumeSubItem{Hadoop \textrightarrow{} YTsaurus \& Internal Cloud Migration}{Drove migration of multiple internal ETL services from Hadoop to YTsaurus and the internal cloud, including productionizing and moving kafka-rebound as part of the new stack.}
      \resumeSubItem{livelogloader (Real-time Log \textrightarrow{} Tables)}{Built \textbf{livelogloader} to parse binary internal process logs in real time and transform them into YTsaurus tables, reducing the time-to-ready tables from \textbf{~24 hours to minutes}.}
    \resumeItemListEnd

  \expSubheading
    {VK (former Mail.ru Group)}{Senior DevOps Engineer}{Moscow, Russia}{Mar 2021 -- Feb 2024}
    \resumeItemListStart
      \resumeSubItem{Data Platform Operations}{Supported and evolved critical internal data infrastructure and services (observability, automation, incident response) across multiple environments.}
    \resumeItemListEnd

  \expSubheading
    {Mail.ru Group}{DevOps Developer}{Moscow, Russia}{Jul 2019 -- Mar 2021}
    \resumeItemListStart
      \resumeSubItem{Authorization Management Platform}{Contributed to the design and implementation of a centralized authorization system used across 10+ internal services (DBMS, dashboards, notebooks, platform services). Tech: ClickHouse, Python (aiohttp), Kerberos, NGINX.}
      \resumeSubItem{Internal Hadoop Distribution}{Built, tested, and packaged an internal Cloudera-like Hadoop distribution based on upstream Apache artifacts (fpm packaging).}
      \resumeSubItem{Large-scale Operations}{Maintained and upgraded clusters at 400+ nodes scale; performed zero-downtime upgrades for Kafka (6 nodes, high throughput) and multiple ClickHouse clusters; improved internal metrics and log ingestion pipelines. Tech: ClickHouse, Kafka, Hadoop, PostgreSQL/MySQL, Prometheus/Graphite, GitLab.}
    \resumeItemListEnd

  \expSubheading
    {Arenadata}{Software Engineer}{Moscow, Russia}{May 2017 -- Jun 2019}
    \resumeItemListStart
      \resumeSubItem{Arenadata Grid (Apache Ignite)}{Led integration of a new in-memory computing product into Arenadata Enterprise Platform; performed load testing and built automated deployment.}
      \resumeSubItem{Arenadata Cluster Manager}{Implemented new services and developed Ansible automation; integrated with Graphite/Grafana-based monitoring.}
      \resumeSubItem{Arenadata Ambari}{Developed and refactored Python deployment tooling; integrated Hive LLAP; 100+ commits in internal Ambari repository.}
    \resumeItemListEnd

\resumeSubHeadingListEnd

%-----------EDUCATION-----------------
\section{Education}
\resumeSubHeadingListStart
  \expSubheading
    {National University of Science and Technology MISiS}{B.Sc. Information Systems and Technologies}{Moscow, Russia}{2012 -- 2016}
  \expSubheading
    {National University of Science and Technology MISiS}{M.Sc. Information Systems and Technologies}{Moscow, Russia}{2016 -- 2018}
\resumeSubHeadingListEnd

%-----------PUBLICATIONS-----------------
\section{Selected Publications \& Open Source}
\begin{itemize}[leftmargin=*, itemsep=0pt, topsep=1pt, parsep=0pt, partopsep=0pt]
  \item \small{\textbf{\href{https://github.com/ValBaturin/redF}{redF programming language}} --- Implemented a small Lisp-like programming language in C (open-source).}
  \item \small{\textbf{\textit{"Memorable" Computing}} (Russian) --- Article on Arenadata Grid in Open Systems Journal (ISSN 1028-7493), Jun 2018.}
\end{itemize}

\end{document}