Backend services and the full infrastructure behind the Circles protocol.

gnosis.io

infrastructure

Multi-host platform driven by Ansible: blockchain nodes, PostgreSQL with automated failover and streaming replication, connection pooling, reverse proxy and TLS, firewalling, and rolling deploys across staging and production.

observability

Hub-satellite monitoring stack: Prometheus, Loki, Grafana, Tempo and Alertmanager: with remote-write from the satellites, central log shipping, and alerting on node, database and endpoint health.

backend

Services and tooling around the protocol: APIs, indexing, and data access.

Consultancy delivering web products and process automation, run end to end from the productized offering through to delivery.

leinss-consulting.de

product delivery

A production e-commerce storefront, a back-office product management application, and an events site, on PostgreSQL with row-level security, object storage and continuous deployment.

integration

Integration with a separately owned supply-chain system, so data moves between the two without manual re-entry.

Lead Dev., UI (Farcaster Frames), backend (telegram bot, AI for extraction, summarization and generation, data pipelines), software architect, devOps eng.

Among others:

match making

Implementation of a match making mechanism for event participants, e.g. for conferences or meetups based on their public social media presences. Profiling participants through data & AI pipelines and matching similar participants with algorithms.

datalatte.com

DevOps Eng. in the Ethereum & Cosmos ecosystem. Automation tools in Golang & Rust.

blockscape.network

reporting tool

Implementation of a financial reporting tool of all past transactions in a certain episode for the Ethereum & Cosmos ecosystem written in Rust.

automation tooling

Implementation of a restaking, governance and balance & stake alerting system for the Cosmos ecosystem written in Golang.

Development of an event-driven data architecture to enable AI-supported analysis.

Development of a data concept for manufacturing, starting with PLC, via MQTT, Kafka, and time-series databases. Technology: MQTT, Kafka, Python, Faust (Python), MongoDB, React, Redux

Development of a SaaS application for the brand and content management on several sales channels.

Management of content assets on several channels, campaigning, stock transfer, business intelligence, infrastructure development for 5-digit, parallel processes. Technology: React, Redux, Django (Python), PostgreSQL, Convox, Sentry, AWS Lambda / S3

Responsible for creating a SaaS web & mobile application for real estate developer and offices, mentoring a junior.

SaaS Dashboard to manage real estate properties and offices, chat functionality, room and device booking, (parcel delivery) notifications. Interactions with mobile versions. Technology: React, Redux, Firebase, React-Native, React Router

Creating Sandbox Play social media mobile app in React-Native, mentoring 3 juniors.

Social media app targeted for professional gamers with profiles, posts, comments, private chat, following, rankings. Technology: React-Native, React Navigation, MobX / Redux