Mateusz Kubuszok Senior Software Engineer Focused on delivering scalable and reliable solutions.
Value the culture of cooperation, learning and feedback.
Experience SiriusXM Oct, 2023—May, 2024 Remote Senior Scala Developer

Helped develop pipelines processing data of over 30 million users and robustly migrated it to a new architecture.

AWS, Scala, Cats Effect and Smithy4s

Swissborg SA Oct, 2020—Feb, 2023 Remote Senior Back-End Developer

Led development of a new version of the advertising app backend. Migrated users' data from the old backend.

Spearheaded the development of a critical service with DDD and laid foundations for its architecture.

Developed internal tools as a part of the platform team to improve productivity and DX of other teams.

AWS, Scala, Akka, Cats Effect, PostgreSQL, Kafka, Protobufs and gRPC

Coya AG Aug, 2018—Nov, 2019 Remote Senior Back-End Developer

Developed several core-domain services. Promoted DDD. Contributed to architectural decisions and internal tooling. Provided workshops and mentoring to other developers.

AWS, Scala, Akka, Cats Effect, Monix, Doobie, PostgreSQL and Kafka

OrderMetrics Inc. Feb, 2018—Jul, 2018 Remote Back-End Developer

Helped improve the scalability of the core service. Expanded the array of service integrations available to customers.

AWS, Heroku, Scala, Play Framework, Akka, Monix, Slick, FlywayDB, PostgreSQL, React and Redux

SkillHouse.io Mar, 2017—Jan, 2018 Wrocław, Poland CTO, Back-End Developer

Worked as an architect, back-end developer and a leader of a small team of 3 engineers, representing the company externally as a technical co-founder.

AWS, Scala, Akka, Cats, Monix, Slick, FlywayDB and PostgreSQL

ScalaC Jun, 2015—Jul, 2017 Remote Scala Developer

Worked as Scala consultant. Contributed to the development of e-commerce and fintech applications.

Scala, Akka, Play Framework, Slick, MariaDB and ElasticSearch

Opera Software ASA Mar, 2014—May, 2015 Wrocław, Poland Software Developer

Part of the team developing the core module of the company's flag product's desktop version, Opera browser.

C++, Chromium and GYP

Nokia Siemens Networks Sep, 2012—Jun, 2013 Wrocław, Poland Working Student

Contributed to an internal network dimensioning tool. Developed a repository for versioning the tool and its updater client.

Java, Guava, Guice, Spring Framework and Hibernate

PGS Software SA Aug, 2012 Wrocław, Poland Intern

Developed a small user-facing website.

Java, Spring Framework, Spring Roo, Hiberante, jQuery

Education Wrocław University of Technology 2013—2014 Wrocław, Poland Computer Science (Algorithmics) at Faculty of Fundamental Problems of Technology, Master of Science GPA 4.0

Thesis Tools for calculating Nash equlibria in finite games concerned the creation of equlibria-calculating tools and algorithms used to find them.

Wrocław University of Technology 2009—2013 Wrocław, Poland Computer Science at Faculty of Fundamental Problems of Technology, Bachelor of Science GPA 4.5

Thesis Client of autoupdater server concerned the creation of a generic updater client.

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Contact information

ComboSolutions Mateusz Kubuszok (sole trader)

Żory, Poland

+48 784 929 440

Mateusz.Kubuszok@gmail.com

LinkedIn.com/in/MateuszKubuszok

Skills

JVM (10 years)

Scala (9 years)

Concurrency and parallelism (9 years)

Functional programming (9 years)

Distributed systems (8 years)

Microservices (8 years)

Agile (8 years)

Scala metaprogramming and library development (7 years)

Polish (native speaker)

English (C1)

Driver's licence

Key achievements

Author of Things you need to know about JVM (that matter in Scala)

Frequent conference speaker (over 18 presentations on conferences and meetups)

Maintainer of Chimney, the most popular type mapping library in Scala

Portfolio

Kubuszok.com (blog)

GitHub.com/MateuszKubuszok (Open Source)

StackOverflow.com/users/1305121/mateusz-kubuszok (over 26.6k rep)