A.ST

Services — LLC A.ST

Four practices, one operating standard.

We organize our work into four practices that frequently overlap on the same engagement. Each one is held to the same internal standard for quality, observability and operations.

Software engineering

N 01

Software engineering

Custom applications, internal platforms and product engineering. We design systems that survive their second year — clear domain models, tested code paths, observable behavior.

  • Web and mobile applications/ 01
  • Internal tools and platforms/ 02
  • API and integration design/ 03
  • Legacy system modernization/ 04
  • Performance and reliability work/ 05
Cloud infrastructure

N 02

Cloud infrastructure

Multi-cloud platforms across AWS, GCP and Azure. Landing zones, Kubernetes, observability stacks, and the cost discipline that makes them sustainable for the long term.

  • Cloud landing zones/ 01
  • Kubernetes platforms/ 02
  • Infrastructure as code/ 03
  • Observability and SLOs/ 04
  • FinOps and cost engineering/ 05
Cybersecurity

N 03

Cybersecurity

A security practice that integrates with engineering from day one. Threat modeling, secure-by-default architectures, identity, supply-chain integrity and incident response.

  • Security architecture & threat modeling/ 01
  • Identity, OAuth and zero-trust/ 02
  • Application and cloud security/ 03
  • Audits and compliance support/ 04
  • Incident response and forensics/ 05
Technology consulting

N 04

Technology consulting

Architecture reviews, modernization roadmaps and CTO-level advisory mandates. Independent perspectives, written down, defended in front of your team.

  • Architecture and code reviews/ 01
  • Modernization and migration plans/ 02
  • Technology due diligence/ 03
  • Fractional CTO advisory/ 04
  • Engineering organization design/ 05