The climber
Nine years of building backend systems that hold up under load.
Senior software engineer designing, implementing, and operating production backend systems in Python. I specialize in complex web-based services — distributed-system architecture and event-sourcing — and I've delivered 10+ products across finance, healthcare, and science, driving technical decisions and mentoring the engineers around me.
The route so far
Professional experience
- 01
Aug 2017 → Present · Full time
Software Engineer → Technical Lead
Kellton Europe (formerly Tivix)
Progressed from individual contributor to technical lead across multiple projects in finance, healthcare, and science.
- Designed and delivered backend systems in Python (Django, FastAPI) for 10+ client products, owning architecture from API design through deployment on Kubernetes/AWS.
- Partnered with design and product teams to translate requirements into scalable API contracts and data models.
- Mentored engineers through feature implementation, raising code quality and shipping velocity; hosted 6+ company meetups.
- 02
Nov 2019 → Dec 2023 · Part time
Senior Engineer → Product Owner / Lead Architect
DoveMed Ltd.
Part-time technical lead and architect for digital health products, held alongside my full-time role — building consumer-facing products for U.S. patients and providers.
- Led a team of 4 engineers to architect and deploy healthcare applications within a 3–4 month timeframe.
- Designed and implemented an API handling 40,000+ unique users daily.
- Owned the lifecycle of 10+ digital products built by 3 independent teams, using data usage to drive architectural improvements.
Gear & equipment
Technical skills
Languages
- Python
- Javascript
- SQL
Frameworks
- Django
- FastAPI
- Celery
Data & Messaging
- PostgreSQL
- Apache Kafka
- Redis
- Elasticsearch
- Neo4j / FalkorDB
Architecture
- Distributed systems
- DDD
- Event-sourcing
- Ports/adapters
- Microservices
- REST API design
Infrastructure & Cloud
- Kubernetes
- Docker
- AWS (Lambda, S3, SQS)
- CI/CD
AI Tooling
- Claude (custom skills & agents)
- AI-assisted workflows