From: Jakub Czajka <jczajka@google.com>
Date: Thu, 21 Aug 2025 17:35:11 +0000 (+0200)
Subject: Add new experience.
X-Git-Url: https://git.ekhem.eu.org/?a=commitdiff_plain;p=cv.git

Add new experience.
---

diff --git a/cv.tex b/cv.tex
index 52149da..c2c5861 100644
--- a/cv.tex
+++ b/cv.tex
@@ -15,45 +15,73 @@
 
 \begin{eventlist}
 
-\event{November 2023 -- Present}
+\event{June 2023 -- Present}
       {Google, Warsaw, Poland}
+      {Software Engineer Tech Lead}
+
+\event{November 2023 -- May 2025}
+      {}
       {Software Engineer III (L4)}
 
 \event{June 2022 – October 2023}
       {}
       {Software Engineer II (L3)}
 
-Development of a highly available, high throughput spatial scheduling system for
-the cluster management system
+I lead the development of a highly available, high throughput spatial scheduling
+system for the cluster management system
 \href{https://research.google/pubs/large-scale-cluster-management-at-google-with-borg}{Borg}.
-The system makes spatial placement decisions for Google’s internal workloads.
+It optimizes Google's fleet by recommending clusters where workloads should be
+scheduled. Highligths:
+
+\begin{itemize}
+
+\item Fix a bug manifesting across multiple systems which lead to workloads being
+placed in overutilized clusers.
+
+\item Consider power utilization signal in cluster recommendations.
+
+\item Change cluster recommendations to reduce inter-cluster network traffic by
+up to 90\%.
+
+\end{itemize}
+
+\textbf{Technologies}: C++, GenAI, distributed systems.
 
 \event{January 2021 – April 2022}
-      {Amazon, Gdańsk, Poland}
+      {Amazon, Gdansk, Poland}
       {Software Development Engineer (L4)}
 
-Development of an on-device processing engine for
+I developed on-device processing engine for
 \href{https://alexa.amazon.com}{Amazon Alexa}. The engine uses machine learning
 to process user’s voice on many different Alexa architectures, often under heavy
 resource constraints.
 
+\textbf{Technologies}: C++, low-latency programming.
+
 \event{June 2020 – September 2020}
       {Amazon Web Services, Berlin, Germany}
       {Software Development Engineer Intern}
 
-Research and implement a prototype of a user interface for SCRUM planning
+I researched and implemented a prototype of a user interface for SCRUM planning
 sessions.
 
+\textbf{Technologies}: React, TypeScript, AWS.
+
 \event{June 2019 – September 2019}
       {European Organization for Nuclear Research (CERN), Gevena, Switzerland}
       {Software Engineering Intern}
 
-Development of a platform for self-teaching
+I developed a platform for self-teaching
 \href{https://cern.service-now.com/service-portal?id=service_element&name=fesa}{FESA}
 - a real-time framework for controlling and monitoring particle accelerators.
 
 \end{eventlist}
 
+\personal[ekhem.eu.org]
+         {Warsaw, Poland}
+         {\href{https://www.linkedin.com/in/jakub-czajka-b583a4194}{linkedin.com/jakub-czajka-b583a4194}}
+         {jakub.czajka1998@gmail.com}
+
 \section{Education}
 
 \begin{eventlist}
@@ -75,11 +103,6 @@ experiment (CERN) using O2 software package''.
 
 \end{eventlist}
 
-\personal[ekhem.eu.org]
-         {Warsaw, Poland}
-         {\href{https://www.linkedin.com/in/jakub-czajka-b583a4194}{linkedin.com/jakub-czajka-b583a4194}}
-         {jakub.czajka1998@gmail.com}
-
 \section{Publications}
 
 \begin{eventlist}
@@ -125,11 +148,4 @@ Contains many Ansible scripts for deploying other server's services.
 
 \end{eventlist}
 
-\section{Professional summary}
-
-I am a highly motivated software engineer focused primarly on delivering results.
-I have experience across the whole programming stack - frontend, backend,
-CI/CD etc. I am able to quickly pick up new technologies and I am confident I
-can be positive addition to any software development team.
-
 \end{document}