Operating systems and Kernel development

∗ Engineering algorithms for parallel data materialization, enabling updates to all analytics within 60 seconds after data entry in a system with billions of rows.∗ Dealing with concurrency issues and database deadlocks on a daily basis.∗ Architecting database design and performance for both transactional databases (PostgreSQL) and OLAP dbs (Clickhouse)∗ Led data synchronization to OLAP database (Clickhouse) from transactional PostreSQL, where tables had up to 1B+ rows, making queries finish in seconds which used to time out.∗ Representing company across four continents to present the results to governments and contractors: Southeast Asia; South, West and East Africa; Latin America◦ Cambodia: Speaker at an agriculture conference giving a 3 hour long lecture about leading problems in the domain and how we approach to solve them

∗ Designed high-performance, event-driven data processing architecture that improved execution by an order of magnitude using Kafka.∗ Technical team leader, managing a team of 5 devs, responsible for scaling software across health facilities.∗ SRE team member maintaining infrastructure and responding in case of downtime. Dockerizing apps, deploying services, automating tasks, and setting up CI/CD.∗ Orchestrated work for land cover classification and cropland mapping software for geospatial intelligence.∗ Orchestrated 3 devs work on geospatial intelligence software, deploying acrucial MVP within two weeks.∗ Nigeria: Deployed a map showcasing arable land along with infrastructure on a tight timeline and presented to ministries of agriculture

∗ Implemented from scratch a Django + React app for longitudinal tracking ofpatients, used by clinicians in Kenya for the past 6 years.∗ Deployed and maintained necessary infrastructure as a code in Ansible and Terraform

∗ Developed provisioning for a virtualized version of a large-scale bare-metal cluster that freed 40 machines from data center, otherwise used by devs.∗ Working on bare-metal orchiestration software tackling with nested virtualization, network configuration and management, double NAT, virtual switches and routers.∗ Deployed ELK for monitoring over 2000 nodes cluster.

Working on e-commerce solutions in Python and Front-end technologies