Sonja Krause-Harder

Software Engineer · FPV Drone Production · Ukrainian Linguistics
Nuremberg, Germany / Lviv, Ukraine ·+49 179 510 43 17 ·krauseha@gmail.com ·linkedin.com/in/sonjakh ·github.com/skh

German national with 22 years as a software engineer in full-stack development and release engineering at international companies, and a BSc in Mathematics & Physics. Since 2023, supporting volunteer FPV production in Ukraine, alongside Ukrainian language study and translation.

Ukraine Engagement & Recent Experience
Sabbatical — Nuremberg / Lviv
2023 — Present
  • FPV drone production — Frontline Kit / Volunteering Ukraine, Lviv. Frame assembly, soldering and final assembly; configuration, testing, iterative development and 3D-printing workflows, with related software and infrastructure development work. Regular, extended in-country stays since June 2023.
  • Ukrainian linguistics & corpus research — open-source tooling for spoken-Ukrainian study: github.com/skh/ukrainian, a corpus-driven learner's dictionary and grammar trainer (FastAPI · React/TypeScript, with Sketch Engine frequency and CEFR data), and github.com/skh/bilka, a Python scraper for assembling text corpora from news sources. Both built using LLM- and agent-assisted development workflows.
  • Language & terminology — focused study of military and technical terminology and current affairs from original sources, yielding OSINT-level familiarity with Ukraine's defence industry, drone technology and volunteer sector; ongoing 1-on-1 work with native-speaker teachers.
Professional Experience
Senior Software Engineer — Elastic
Remote (USA) · 2018–2023

Full-stack development on Kibana, Elastic's data-visualisation and management platform used by thousands of enterprise clients. Built Infrastructure UI and the Fleet plugin, then support-automation tooling and customer-facing portals, and administered Elastic Cloud clusters. Elasticsearch · TypeScript · React · GraphQL · Node.js · GCP · BigQuery · SQL · Salesforce

Software Engineer — Server Density
Remote (London) · 2016–2018

Feature development for a SaaS infrastructure-monitoring UI; research into statistical and machine-learning methods for anomaly detection in infrastructure data. TypeScript · React/Redux · GraphQL · Python · NumPy · pandas · scikit-learn

Software & Release Engineer — Open-Xchange GmbH
Nuremberg · 2009–2016

Release management and maintenance of customer-specific builds for an international open-source groupware platform; defined support processes and tooling, built internal reporting/workflow tools, and provided L2/L3 customer support. Java · JavaScript · jQuery · HTML/CSS · Jenkins · Open Build Service

Software Engineer — SUSE Linux GmbH / Novell
Nuremberg · 2002–2009

Package maintenance and L3 support for openSUSE and SUSE Linux Enterprise. Designed and built SWAMP, a web-based workflow-management platform. Active openSUSE contributor; represented SUSE at LinuxTag, FOSDEM and Novell BrainShare; technical account management and hardware certification. Apache httpd · Tomcat · Jakarta · jpackage · Java EE · MySQL

Languages
Germannative
EnglishC2
UkrainianB2
FrenchA2
Education & Certifications
BSc Mathematics & Physics (2:1)Open University, Milton Keynes — distance · 2018–2023
Translator, English/GermanAKAD, Stuttgart · 1997
TELC Ukrainian B2 (171/180)2024
CompTIA Network+ & Security+2023
Translation, Talks & Teaching