Christian Chostak
Senior Architect & Platform Engineer
Designing high-scale, secure, and production-hardened systems — bridging the gap between core cloud infrastructure, real-time data streaming, and autonomous AI systems.
About Me
I am an enterprise-grade systems architect with over 12 years of hands-on experience building, scaling, and securing distributed systems. I specialize in designing and engineering high-availability platforms, robust event-driven backends, and reliable automation frameworks that handle massive scale without breaking.
Throughout my career, I have worked across complex domains, most recently designing next-generation platform engineering solutions, security orchestration systems, and production-ready AI gateways. I thrive on unblocking engineers, driving DevSecOps maturity, and converting architectural vision into highly reliable, cost-efficient reality.
I operate effectively as a platform architect, principal engineer, or hands-on technical lead, bringing deep systems knowledge and pragmatic engineering values to high-impact initiatives.
Connect on LinkedIn →Experience
Senior DevSecOps Engineer / Platform & Systems Architect
03/2025 – PresentBlockdaemon
- Architected and deployed a secure, high-throughput AI gateway and Model Context Protocol (MCP) governance layer, standardizing LLM usage and observability for 200+ engineers
- Led the enterprise-wide Secure SDLC transformation across 1,300+ repositories, systematically eliminating critical risks and saving $50K/year by replacing commercial tools with optimized open-source setups
- Engineered a custom multi-cloud, serverless security observability platform ("single pane of glass"), slashing CSPM tool licensing costs by ~$200K/year
- Scaled Wazuh EDR orchestration across 1,000+ distributed production nodes, securing infrastructure footprints while saving ~$60K/year in licensing fees
- Designed an autonomous, AI-driven code review workflow processing pull requests across 1,300+ repositories in under 60 seconds for less than $1K/month in compute cost
Senior DevOps Architect
02/2020 – 03/2025Amazon Web Services (AWS)
- Resolved 374 complex technical escalations with a 93% CSAT (5-star rating), exceeding targets and generating €103K+ above target revenue
- Architected zero-downtime user authentication migrations to Cognito for Meliá Hotels (millions of users) and unblocked high-performance computing portals for the Weizmann Institute
- Designed low-latency, edge-deployed facial recognition systems for the UN World Food Programme (WFP) optimized for resource-constrained environments
- Optimized core API latency by 95% for Amazon Italy systems; reduced enterprise customer global Kubernetes provisioning cycles from 1 week down to 30 minutes
- Built an automated Cloud Audit Scanner tool that cut security review cycle times by 90% (~1,300 engineering hours saved annually)
DevOps Consultant
02/2019 – 01/2020Devoteam
- Led a team of 4 engineers to migrate on-premises enterprise workloads to Oracle Cloud in 6 months, avoiding massive licensing overheads
- Designed high-throughput CI/CD platforms combining GitLab, Kubernetes, and Kong API Gateway
- Migrated entire continuous integration systems from legacy Gerrit/Jenkins setups to GitLab, preserving complete historical audits, logs, and developer discussions
DevOps Engineer
05/2018 – 02/2019Loqr
- Orchestrated and managed 80+ high-traffic servers across AWS and Azure environments
- Built robust, self-healing infrastructure automation modules using Terraform, Ansible, and Docker
IT Supervisor
01/2015 – 03/2018HSDS
- Modernized clinical infrastructure by virtualizing 30+ physical servers onto VMware ESXi, improving resource efficiency and system reliability
- Deployed centralized Zabbix monitoring and alert routing across 350+ systems; structured IT operations using GLPI helpdesk workflows
- Mentored a team of 3 junior systems engineers and maintained sole 24/7 on-call responsibility for critical hospital infrastructure for over 3 years
Core Expertise
Systems & Architecture Design
Data & Intelligent Platforms
Cloud Infrastructure & Platforms
Enterprise DevSecOps & Security
Technologies
Selected Projects
AI Gateway & MCP Governance
Built a secure gateway and Model Context Protocol (MCP) layer unblocking 200+ engineers using LLM tools with strict policy controls and real-time observability.
Multi-Cloud Security Controller
Designed a custom serverless security and observability framework providing cross-organization visibility and saving ~$200K/year compared to CSPM tools.
Autonomous SSDLC pipeline
Engineered a secure release system running automatic SAST/DAST guards on 1,300+ active repositories, removing thousands of production vulnerabilities.
Real-Time Threat Intel Stream
Created a high-frequency ingestion pipeline aggregating global threat databases and streaming firewall and security updates every 6 hours.