Senior Software Engineer
Biotronik
Implantable cardiovascular devices and remote monitoring — 9000+ employees, $1.9B revenue
Jun 2025 — PresentBuilt cardiac telemetry APIs and a clinical dashboard, enabled partner 2FA, and cut AWS environment provisioning from 150 to 10 minutes.
• Designed and built cardiac telemetry APIs serving 140+ clinicians monitoring patients with implanted cardiac devices
• Built the first clinical dashboard replacing manual data requests — giving clinicians direct, real-time access to cardiac analyses
• Migrated authentication off Keycloak to unblock TOTP-based 2FA for external partners
• Reduced AWS environment provisioning from 150 to 10 minutes by designing Terraform infrastructure and CI/CD pipelines
Senior Software Engineer
CheckDoc
Medical-analysis startup building consumer lab result services
Jan 2025 — Jun 2025Built a consumer lab-results platform and improved MedGemma analysis accuracy from about 80% to 95% on a medically validated dataset.
• Built a B2C platform for medical test ordering and secure result storage, from zero to production-ready
• Prompt-engineered and fine-tuned MedGemma for lab result analysis, lifting accuracy from ~80% to ~95% on a 1,500-sample dataset validated by medical analysts
Full-Stack Software Engineer
MT-S (Tele2/Altel)
Operates the Tele2/Altel mobile networks (8M+ subscribers)
Sep 2023 — Jan 2025Redesigned alert processing to deliver 26M alerts/day in real time, built a field sign-off system, and mentored an engineer whose map was adopted by 1,000+ field engineers.
• Eliminated fault-alert delivery lag during network incidents — alerts had been arriving ~30 min behind the outages they flagged — by redesigning message consumer logic, scaling sustained throughput 10x (2.6M to 26M alerts/day)
• Built a digital briefing and e-signature system, eliminating ~4 hrs/week of travel per field engineer for shift sign-offs
• Mentored a junior engineer who shipped a base station sector map adopted by 1,000+ field engineers
Software Engineer
Kenkou
Berlin healthtech (cardiovascular vital-sign measurement SDK) — acquired by Biotronik in 2025
Nov 2021 — Aug 2023Built a cardiovascular data backend for 10+ partner integrations, shortened deployments, and cut PR bug rate by 50%.
• Built the cardiovascular data ingestion backend powering 10+ partner SDK integrations
• Automated deployment pipeline from 10-min manual process to 2-min CI/CD across backend and frontend
• Rolled out an integration test suite plus ESLint/Zod across ~15k lines — cutting PR bug rate by 50%
Backend Engineer
Sberbank Kazakhstan
Now Bereke Bank — a large commercial bank
Aug 2020 — Oct 2021Migrated 100+ banking services to OpenShift, halving response time, and built integrations supporting cross-border payment routing.
• Migrated 100+ legacy services from IBM Integration Bus to OpenShift, reducing service response time by 50%
• Built REST/SOAP integrations with external financial systems, including UnionPay, enabling cross-border payment routing