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danielbodnar/README.md

Daniel Bodnar

πŸš€ Solutions Architect β€’ Site Reliability Engineer β€’ Platform & Infrastructure Engineer β€’ Linux Evangelist

Website GitHub


πŸ“ Executive Summary

Highly motivated, driven, and completely self-taught engineer with 28+ years experience as a full-stack software developer (since 1996) and over 20 years of Platform/Infrastructure engineering and IT automation. Passionate about Linux, containerization, and building scalable, highly available, robust, automated systems. I love identifying game-changing technologies early and applying them to solve real-world problems.

I come alive when allowed to automate repetitive tasks and thrive in continually evolving environments of frequent change. The flip side is without problems to solve and challenges to overcome, I tend to struggle with what value I bring to a company or team.

🎯 Core Strengths:

  • 🧠 Rapidly understanding complex systems and envisioning comprehensive solutions
  • πŸ” Identifying hidden patterns and connections within complex technological ecosystems
  • ⚑ Transforming abstract possibilities into concrete, practical action plans
  • πŸ› οΈ Combining high-level architectural vision with low-level technical expertise
  • πŸ“ˆ Continuous optimization and improvement without disrupting established momentum

πŸ”­ Seeking: Growth opportunities related to low-level Linux, distributed cloud infrastructure, networking, embedded / hardware development, and cloud-native technologies.


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streak


"The best way to predict the future is to invent it." - Alan Kay

"The important thing is not to stop questioning. Curiosity has its own reason for existence." - Albert Einstein


🌟 Professional Philosophy

"My greatest strength is not my current knowledge, but an ability to quickly grasp new concepts and bring order and efficiency out of chaos."

As a self-taught expert in the IT sector, I bring a unique combination of extensive hands-on experience and an innate ability for abstract thinking. My professional journey, spanning over two decades, is defined not just by the accumulation of technical skills, but by the development of a powerful mental framework that allows me to dissect, analyze, and solve complex technological challenges with exceptional efficiency.

🎯 My Strongest Differentiator

The ability to see both the forest and the trees simultaneously β€” understanding the big picture of system architecture while maintaining deep subject matter expertise in low-level implementation details. This enables me to select the right tool for each specific job while avoiding common pitfalls that emerge from mismatched technology choices.


πŸ’Ό Professional Experience

🏒 BitBuilder Cloud, LLC

Founder, Cloud Architect, CIO | June 2021 - Current

Launched a Cloud Hosting and Consulting private SaaS company with a focus on providing a vendor-agnostic, e2e encrypted, highly-available & globally distributed hyper-converged platform for cost-efficient resiliency against hostile attackers, organizations, and countries.

🎯 Key Achievements:

  • πŸš€ Launched web hosting and cloud consulting private SaaS company using 5 highly customized AMD & Dell based co-located servers
  • 🌍 Containerized and load-balanced several high-profile organizations with 1M+ global visitors/day
  • πŸ’ͺ Single-handedly built core services on co-located custom bare metal 3rd-gen AMD-based servers:
    • 2TB+ RAM, 320 cores, 64TB enterprise-grade NVMe storage
    • Quad-port 25Gb/s ethernet + dual-port 100Gbe Mellanox ConnectX-5 (OCP) NICs
  • πŸ”§ Orchestrated global scaling via multi-cloud hybrid overlay layer:
    • Custom k8s distribution
    • Buildroot and WolfiOS (alpine-based) immutable Linux operating systems
  • πŸ“Š Implemented comprehensive monitoring and observability using:
    • Grafana, Prometheus, VictoriaMetrics, NetData, Jaeger

🏒 Fidelity Investments

Principal Software, DevOps, and Cloud Engineer | July 2023 - May 2025

Serve as a technical leader and cloud architect, designing and implementing enterprise-scale cloud solutions while mentoring teams on AWS best practices and modern DevOps methodologies.

🎯 Key Responsibilities and Achievements:

  • ☁️ Architected comprehensive AWS solutions for enterprise applications:
    • Designed secure networking topologies and multi-account strategies
    • Developed robust IAM policies and CloudFormation templates adhering to strict financial industry security standards
  • πŸ—οΈ Designed and built a full AWS CDK platform enabling teams to rapidly deploy standardized, compliant infrastructure
  • 🐳 Engineered Kubernetes-based deployment solutions:
    • Leveraged EKS, Helm charts, and custom operators for application management
    • Successfully deployed and managed Discourse forums on Alpine Linux containers
  • πŸ”§ Rebuilt and optimized the Jenkins Core platform:
    • Increased build efficiency and reduced pipeline execution times
    • Created cloud orchestration CLI tool for cross-account resource management
  • πŸ”’ Implemented security and compliance:
    • Infrastructure-as-code practices across multiple teams
    • Automated security scanning and compliance checking within CI/CD pipelines
  • πŸ‘₯ Led knowledge-sharing sessions and developed documentation to elevate team capabilities

🏒 RSVP & ACT, Inc

SRE, SysAdmin, and Platforms Engineer | April 2019 - June 2021

🎯 Key Responsibilities and Achievements:

  • πŸ—„οΈ Managed and performance-tuned +3.5TB PostgreSQL database cluster, MySQL and SQLite databases
  • 🐳 Architected, deployed, and managed:
    • Dynamically scaling, secure, and fully version-controlled hybrid and bare-metal Kubernetes clusters
    • Self-hosted GitLab instance with DevOps build pipelines and automatic blue-green deployments
  • πŸ“Š Implemented comprehensive observability:
    • Monitoring, alerting, logging, tracing, and observability tools
    • GitLab-based Infrastructure-as-Code procedures and pipelines
  • πŸ”’ Deployed and managed security infrastructure:
    • Multiple host, network, and container security tools and vulnerability scanners
    • Organization-wide VPN, VLANs, and security measures
  • πŸ–₯️ Infrastructure management:
    • Simplified and standardized hypervisors with centralized Proxmox cluster on ZFS
    • 56G InfiniBand FC SAN implementation
    • Windows Server 2019 AD environment for centralized user account management
  • πŸ›‘οΈ Provided training to address knowledge-gaps and mitigated ransomware attacks

🏒 Perspectives.org

IT Director | January 2018 - April 2019

🎯 Key Achievements:

  • πŸ“‹ Developed 5-year vision, roadmap, and project plan to rebuild legacy monolithic .NET 3.5 application
  • πŸ’° Increased cloud hosting capacity by 10x while reducing budget by 50%
  • ⚑ Reduced minimum page load time from 5 seconds to average of 0.8 seconds
  • 🎬 Built DRM-secured offline-enabled streaming video player desktop app in Go

🏒 AT&T Corp.

Professional Application Developer | March 2014 - June 2017

🎯 Key Responsibilities and Achievements:

  • πŸ’» Full stack application engineer building custom web-based tools and services
  • πŸ“Š Managed entire project pipeline, from requirements gathering to production deployment
  • πŸ”„ Led team-wide migration from Rails/MySQL stack to Node.js, Angular.js, and MongoDB
  • 🐳 Engineered Docker-based DevOps and deployment pipeline
  • πŸ—οΈ Architected and built large-scale external "Order Status" application and decoupled microservice pipeline

πŸ› οΈ Technical Competencies

πŸ“š Core Expertise Areas

Infrastructure & Platform Engineering

  • Linux Systems Engineering
  • Infrastructure as Code
  • Datacenter Architecture
  • Container Orchestration
  • Cloud Architecture

Software Engineering

  • Backend Development
  • Frontend Development
  • Database Engineering
  • Mobile Development
  • API Development

Reliability & Security

  • Site Reliability Engineering
  • Observability & Monitoring
  • System Hardening
  • Network Security
  • Vulnerability Management

πŸ’» Technology Stack

☁️ Cloud & Infrastructure

  • Cloud Platforms: AWS, GCP, DigitalOcean, Vultr, Cloudflare, Bunny.net, Wasabi, OVH Cloud, Fly.io
  • Own Platform: BitBuilder Cloud, LLC
  • Infrastructure as Code: Terraform, Ansible, Pulumi, CloudFormation, CDK, Crossplane
  • Container Orchestration: Kubernetes (k3s, k0s, k8s, EKS), Docker, Podman, containerd
  • CI/CD: GitHub Actions, GitLab CI/CD, Jenkins, ArgoCD, FluxCD
  • Virtualization: Proxmox, KVM, QEMU, VMware

πŸ–₯️ Operating Systems & Platforms

  • Linux: Arch, Alpine, WolfiOS, Ubuntu, Debian, RHEL, embedded Linux, LinuxFromScratch/Buildroot
  • BSD: OpenBSD, FreeBSD (primarily for networking/routing)
  • Windows: Server 2019/2022, Active Directory (when absolutely necessary)

πŸ’Ύ Databases

  • Relational: PostgreSQL, MySQL, SQLite
  • NoSQL: MongoDB, Redis/ValKey, Memcached
  • Time-Series: InfluxDB, TimescaleDB, Prometheus
  • Analytics: DuckDB, ClickHouse

πŸ‘¨πŸ’» Programming Languages

  • Primary: Go, Rust, JavaScript/TypeScript, Python, Bash/Shell
  • Secondary: Lua, C/C++, Java, Ruby
  • Preferred Shell: NuShell, Zsh, Bash

🎨 Frontend Frameworks

  • Modern: Vue/Nuxt, SolidJS, Svelte/SvelteKit, Alpine.js
  • Web Standards: WebComponents, Lit
  • Legacy: React (avoided), Angular

πŸ“Š Monitoring & Observability

  • Metrics: Prometheus, VictoriaMetrics, Grafana
  • Logging: ELK Stack, Loki, Fluentd
  • Tracing: Jaeger, Zipkin
  • APM: NetData, Zabbix, Datadog

πŸ”’ Security & Networking

  • Security Tools: Wazuh, SecurityOnion, OpenVAS, Nessus, Trivy, Falco
  • VPN/Tunneling: WireGuard, ZeroTier, Tailscale, OpenVPN, Teleport
  • Network Security: Suricata, Snort, pfSense, VyOS
  • Scanning: ClamAV, Vuls.io, OWASP ZAP

πŸ”§ API & Configuration

  • API Specs: OpenAPI, GraphQL, gRPC, tRPC, JSON-RPC
  • Data Formats: Protocol Buffers, Avro, MessagePack
  • Config Languages: Cue, Dhall, HCL, YAML, TOML, JSON

πŸš€ Notable Projects

1. BitBuilder Cloud Platform

A vendor-agnostic, e2e encrypted, highly-available & globally distributed hyper-converged platform designed for cost-efficient resiliency against hostile threats.

2. Large-Scale Database Management

Managed and optimized a +3.5TB PostgreSQL database cluster with high availability, performance tuning, and disaster recovery capabilities.

3. Kubernetes Cluster Architecture

Designed and implemented dynamically scaling, secure, and fully version-controlled hybrid and bare-metal Kubernetes clusters supporting mission-critical workloads.

4. Legacy Application Modernization

Developed comprehensive plan to modernize legacy monolithic .NET 3.5 application into 18 modern department & role-based microservice portals.

5. DRM-Secured Video Platform

Built DRM-secured offline-enabled streaming video player desktop application in Go with cross-platform support.

6. Enterprise Microservice Pipeline

Architected and built large-scale external "Order Status" application with decoupled microservice pipeline handling millions of transactions.


🀝 Team Dynamics & Working Style

πŸ’‘ What I Bring to Teams

  • πŸ” System Analysis: Quickly understanding complex systems and mapping comprehensive solution paths
  • ⚠️ Risk Prevention: Spotting potential problems and opportunities during execution
  • ⚑ Real-time Optimization: Finding more efficient paths to desired outcomes
  • πŸ“Š Strategic Insights: Providing clear insights into how different approaches play out
  • πŸ”„ Rapid Adaptation: Adding particular value in situations requiring quick pivots

🎯 Ideal Working Environment

  • Research & Development - Exploring new technologies and methodologies
  • Systems Architecture - Designing scalable, robust solutions
  • Complex Problem-Solving - Tackling challenging technical issues
  • Technology Innovation - Pioneering new approaches and tools
  • Strategic Consulting - Providing high-level technical guidance

🀝 Collaboration Preferences

I Excel When:

  • Breaking down complex problems into clear, actionable components
  • Translating abstract possibilities into concrete action plans
  • Creating comprehensive frameworks that others can implement
  • Maintaining strategic oversight while enabling tactical execution
  • Identifying optimization opportunities without disrupting momentum

I Partner Best With:

  • Teams who appreciate detailed solution frameworks
  • Colleagues who enjoy methodical execution of well-defined components
  • Organizations that value both visionary thinking and practical implementation
  • Leaders who understand the importance of continuous optimization

πŸ“š Professional Philosophy & Approach

🐧 Technology Philosophy

I approach technology through the lens of the Unix Philosophy and principles outlined in "The Art of Unix Programming." My technical decisions are guided by:

  • Deep Understanding: What problems each technology was designed to solve
  • Trade-off Analysis: Inherent trade-offs and appropriate use cases
  • Early Adoption: Consistently identifying game-changing technologies early (discovered Docker months after public beta, adopted AngularJS in beta)
  • Pragmatic Selection: Choosing the right tool for each specific job

πŸš€ Career Highlights

  • 28+ Years in software development (since 1996)
  • 20+ Years in Platform/Infrastructure engineering
  • Full-Stack Versatility: Experience spanning multiple technology generations
  • Self-Taught Expert: Completely self-directed learning and skill development
  • Early Innovation Adopter: Track record of identifying transformative technologies

🧠 Cognitive Profile & Problem-Solving Approach

πŸ“Š Cognitive Stack: Ti-Ne-Si-Fe (INTP)

My problem-solving approach is built on a specific cognitive structure that enables exceptional efficiency in complex technological environments:

πŸ” Analytical Thinking (Ti Primary)

  • Natural drive to understand systems at their core
  • Breaking down complex concepts into logical components
  • Focus on internal consistency and precise definitions
  • Building comprehensive mental models of technological ecosystems

πŸ’‘ Innovative Ideation (Ne Secondary)

  • Ability to see multiple possibilities and connections
  • Identifying non-obvious connections between technologies
  • Enthusiasm for theoretical frameworks and abstract patterns
  • Generating creative solutions by exploring multiple angles

πŸ“š Information Processing (Si Tertiary)

  • Quickly absorbing and processing large amounts of information
  • Organizing data into a well-structured internal knowledge base
  • Tracking and remembering detailed information when needed
  • Balancing possibilities with established knowledge

🀝 Practical Application (Fe Inferior)

  • Awareness of how technical solutions impact others
  • Consideration of user needs in design decisions
  • Focus on creating practical value through technical excellence
  • Emerging most strongly in project goals and outcomes

🎯 Key Characteristics

Category Attributes
Ideal Environment Independent work, intellectual challenges, flexible approaches, minimal bureaucracy
Team Contribution Innovative problem-solver, systems architect, logic checker, pattern recognizer
Growth Areas Project follow-through, practical implementation, managing time and deadlines
Decision Making Thorough analysis, multiple angles, logical consistency, accuracy over speed

πŸŽ“ Learning & Development

πŸ“– Learning Style

  • Deep theoretical understanding of systems
  • Pattern-based learning and recognition
  • Self-directed study with comprehensive resources
  • Continuous exploration of emerging technologies

🌱 Growth Focus Areas

  • Low-level Linux and kernel development
  • FPGA and programmable hardware
  • Embedded systems and IoT
  • Network protocol optimization
  • Quantum computing fundamentals

πŸ’¬ Fun Fact

"I come alive when allowed to automate repetitive tasks and thrive in continually evolving environments of frequent change. The flip side is without problems to solve and challenges to overcome, I tend to struggle with what value I bring to a company or team."


πŸ“ž Contact Information

Let's Connect and Build Something Amazing Together!

🌐 Website: daniel.bodnar.sh πŸ™ GitHub: github.com/danielbodnar
🐦 Twitter: @danielbodnar


"The best way to predict the future is to invent it." - Alan Kay

I'm always open to discussing new opportunities, collaborations, or just engaging in interesting tech conversations!


Last Updated: Aug 2025 | Built with passion for technology and continuous improvement

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