Dawid Nejman
Principal Software Engineer (acting) at Zalando
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolDawid Nejman is a Principal Software Engineer (acting) based in Berlin with a decade of experience building resilient backend systems, primarily on the Scala/Akka stack with a deep Java heritage. At Zalando since 2016 he progressed from hands-on development to leading engineering efforts, shaping scalable services for a large e-commerce platform. His background includes finance-grade systems at UBS and telecom BSS work, giving him strong domain experience in low-latency, high-reliability architectures. Comfortable across JVM languages and familiar with Python and mobile/server integration from earlier roles, he blends pragmatic engineering with a focus on maintainability and testing. Academically grounded with both B.Sc. and M.Sc. degrees in Computer Science, he pairs rigorous technical foundations with practical, production-driven leadership. A detail-oriented engineer, he often opts for actor-based designs to simplify concurrency in complex distributed systems.
10 years of coding experience
10 years of employment as a software developer
B.Sc., Computer Science, 5.0, B.Sc., Computer Science, 5.0 at Wroclaw University of TechnologyM.Sc., Computer Science, B, M.Sc., Computer Science, B at Blekinge Institute of Technology
English, Polish, German
Stackoverflow
11reputation
268reached
1answer
0questions
Github Skills (23)
static-code-analysis10
static-analysis10
java10
conventions10
sun10
command-line-tool10
ant10
checkstyle9
code-analysis9
ant-task9
java-streams6
circe4
data-infrastructure4
kafka4
scala4
Programming languages (2)
Github contributions (5)
nejdaw/fpinscala
Dec 2018 - Jan 2021
Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"
Contributions:16 pushes in 2 years 1 month
incrementalfunctional-programmingcode-exercisesscalajshints
nejdaw/elasticmq
Aug 2023 - Jan 2025
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
Contributions:2 PRs, 1 branch in 1 year 5 months
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