Krzysztof Palka

palkakrzysiek@gmail.com • kpalka.com • +48 669 323 331

Experience

Adform (10.2020 — present)

Developing and maintaining ad-tech services

• Development and maintaining Spark (both batch and streaming) and Storm applications in Scala

• Responsible for 50+ services during 24/7 on-call rotations

• Tech stack used: Spark, Storm, Kafka, K8s, and Aerospike

Idemia (08.2017 — 09.2020)

Developing an eSIM management application suite.

• Akka HTTP/Scala with cats library + Cassandra for the core module

• Birt engine + MariaDB for the reporting module

• Spring Boot/Java with Vavr library + Angular/TypeScript for GUI

• Docker compose for local development, occasionally Kubernetes for troubleshooting

Bluesoft (01.2017 — 07.2017)

Developing a monitoring application for an electric power company.

• Spark Streaming/Scala + Kafka + Cassandra for data processing and storage

• Spring Boot/Java + Angular/TypeScript + lodash + Chart.js for visualisations

• Docker

Accenture (01.2016 — 12.2016)

Developing eCommerce platforms for telcoms.

• JavaEE with ATG platform

• Spring with Hybris platform

• AngularJS/JavaScript

Transition Technologies (07.2014 — 09.2014)

(Internship)

Developing a web application based on the Play! Framework with Java and Groovy.

Education

Politechnika Łódzka (2012 — 2017)

B.Eng., Information Technology
Thesis topic: Building, deploying, and running distributed applications with Docker

Fachhochschule Brandenburg (2015)

(Exchange) Applied Computer Science

Courses and certificates

• (2020) Blockchain by University at Buffalo & The State University of New York on Coursera. (4-course Specialization). Covers Bitcoin, Ethereum, Smart contracts and DApps development, IPFS and Hyperledger overview.

• (2020) Functional Programming in Haskell by The University of Glasgow on FutureLearn

• (2019) Microsoft/DEVOPS200.9x: Architecting Distributed Cloud Applications. Covers 12-factor services, API versioning, messaging techniques, data schema versioning, eventual consistency patterns (CQRS, Event sourcing, Saga), and disaster recovery strategies.

• (2019) scala-reactiveX: Programming Reactive Systems. Covers programming fault tolerant applications with Akka actors (typed and untyped), Akka Stream, and leveraging back-pressured flows of data.

• (2018) DataStax Certified Professional on Apache Cassandra

• (2017) Functional Programming in Scala by École Polytechnique Fédérale de Lausanne on Coursera (5-course Specialization). Covers functional program design, parallel programming, and big data analysis with Spark.

• (2017) Oracle MOOC: Java Virtual Machine Troubleshooting

• (2016) Oracle Certified Associate, Java SE 8 Programmer

Languages

• Polish (Native)

• English (Cambridge C2 Proficiency certified)

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