Oleksii — infrastructure, trading systems, payments

$ whoami

Oleksii
Independent consultant — infrastructure, trading systems, payments, and custom software development.
Contact
email _@apologist.io github github.com/apologist status Available for advisory and part-time consulting
Infrastructure & platform
  • Kubernetes, deep operational and design expertise
  • Bare metal, AWS, GCP
  • SRE culture, observability, service stability
Trading systems
  • High frequency trading infrastructure
  • Kernel bypass, DPDK, Solarflare
  • Trading application development
Payments
  • Payment gateway development
  • Crypto payment rails
Custom development
  • Backend services and APIs, any domain
  • Desktop applications
  • Data pipelines, integrations, internal tooling
  • The domains above are where the depth is; the work is not limited to them
Languages
backend Go, Python, .NET, Rust, C++ desktop .NET, Rust frontend Vue.js, React.js — usually delegated
Network

Contractors available for deeper consultation — trading and legal questions, and additional development capacity.