initial CV — LaTeX source and compiled PDF
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marauder-actual
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%-------------------------
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% CV — Adam Ladachowski
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% Sans-serif, A4, matches desktop style
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%-------------------------
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\documentclass[a4paper,10pt]{article}
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\usepackage[a4paper,left=1.8cm,right=1.8cm,top=1.5cm,bottom=1.5cm]{geometry}
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\usepackage[utf8]{inputenc}
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\usepackage[T1]{fontenc}
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\usepackage{helvet}
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\renewcommand{\familydefault}{\sfdefault}
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\usepackage{titlesec}
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\usepackage{enumitem}
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\usepackage[hidelinks]{hyperref}
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\usepackage{fontawesome5}
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\usepackage{xcolor}
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\usepackage{tabularx}
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\input{glyphtounicode}
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\pdfgentounicode=1
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\pagestyle{empty}
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% Section: bold, large, with thick rule underneath
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\titleformat{\section}
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{\large\bfseries}
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{}{0em}{}[\vspace{2pt}\hrule height 0.8pt\vspace{4pt}]
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\titlespacing*{\section}{0pt}{10pt}{4pt}
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% Remove paragraph indent
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\setlength{\parindent}{0pt}
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% Bullet list style
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\setlist[itemize]{leftmargin=1.2em, itemsep=1pt, parsep=0pt, topsep=3pt, label=\textbullet}
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%------- Custom commands --------
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% Job heading: two rows, full width tabular
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% Row 1: bold title (left) — date (right)
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% Row 2: italic company (left) — italic location (right)
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\newcommand{\jobheading}[4]{%
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\vspace{6pt}%
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\begin{tabular*}{\textwidth}{@{}l@{\extracolsep{\fill}}r@{}}
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\textbf{#1} & #2 \\
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\textit{#3} & \textit{#4} \\
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\end{tabular*}%
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\vspace{2pt}%
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}
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% Skill table row
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\newcommand{\skillrow}[2]{%
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#1 & #2 \\[3pt]
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}
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%-------------------------------------------
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\begin{document}
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%---------- HEADING ----------
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\begin{center}
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{\huge\textbf{Adam Ladachowski}} \\[5pt]
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{\small Warsaw, Poland \enspace|\enspace Remote\,/\,Hybrid \enspace|\enspace EU Citizen} \\[4pt]
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{\small
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\faIcon{envelope}\enspace\href{mailto:adam@saiden.dev}{adam@saiden.dev} \quad
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\faIcon{github}\enspace\href{https://github.com/aladac}{aladac} \quad
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\faIcon{linkedin}\enspace\href{https://linkedin.com/in/aladac}{aladac} \quad
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\faIcon{phone}\enspace\href{tel:+48535329895}{+48\,535\,329\,895}
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}
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\end{center}
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\vspace{2pt}
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%---------- SUMMARY ----------
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\small
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Backend engineer with 20 years shipping production systems in Ruby and Rails.
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Built platforms across telecom, media, proptech, SaaS, and event ticketing ---
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from sole-engineer greenfields to large-scale Rails monoliths.
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Currently designing and operating an AI development platform: agent orchestration,
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model fine-tuning, and a semantic memory system.
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%---------- EXPERIENCE ----------
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\section{Experience}
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\jobheading
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{Senior Software Engineer}{Jan 2023 -- Present}
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{Jampack --- Event ticketing \& hotel packages for festivals (180K+ guests, 90 countries)}{Remote}
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\begin{itemize}
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\item Owned payment integration (Coinbase Commerce), insurance workflows, auth system, and cart recovery --- recovery mechanism measurably reduced booking abandonment.
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\item Drove architectural decisions across the platform. Mentored junior engineers.
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\item Stack: Ruby, Rails, PostgreSQL, Redis, Sidekiq, AWS (EKS/Kubernetes, CodePipeline), Heroku, GitHub Actions.
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\end{itemize}
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\jobheading
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{Senior Ruby Engineer}{Aug 2021 -- Jan 2023}
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{Marketer Technologies --- Norwegian proptech, AI-powered marketing for 1/3 of Norway's residential market}{Remote}
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\begin{itemize}
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\item Led a 3-person Rails team within a 15-person polyglot group (Rails, Node, Python). Designed inter-service communication via RabbitMQ.
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\item Delivered Smartsale --- a real estate sales platform with interactive Mapbox visualization and real-time pricing, now serving the Norwegian market.
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\item Stack: Ruby, Rails, PostgreSQL, GraphQL, RabbitMQ, Mapbox, OpenAPI, Elasticsearch.
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\end{itemize}
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\jobheading
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{Senior Software Engineer}{2016 -- 2021}
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{Roomzilla --- Smart workplace management SaaS (Cambridge Innovation Center)}{Warsaw}
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\begin{itemize}
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\item Joined as sole engineer. Rebuilt the application, drove Rails 5\textrightarrow6 migration, then hired and led the team (2 Rails, 1 Vue) that completed the platform refactor.
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\item Calendar sync across Google and Microsoft ecosystems, Stripe payments, interactive floorplan navigation.
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\item Stack: Ruby, Rails, PostgreSQL, Vue.js, Redis, Google Calendar API, MS Graph API, Stripe.
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\end{itemize}
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\jobheading
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{Software Engineer}{2014 -- 2016}
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{Cyfrowy Polsat --- Largest digital TV platform in Central/Eastern Europe (3.5M+ subscribers)}{Warsaw}
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\begin{itemize}
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\item Built Kantei --- a centralized Heroku-like CD platform, eliminating ad-hoc deployment across 5 engineering teams.
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\item Optimized VOD page load with global lazy loading. Co-developed IP tracking system for unauthorized streaming detection.
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\item Stack: Ruby, Rails, PostgreSQL, MongoDB, Sidekiq, Docker, HAproxy, etcd, fluentd.
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\end{itemize}
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\jobheading
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{Software Engineer / Team Lead}{2006 -- 2014}
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{Comverga (mProfi) --- Telecom SaaS, SMS/voice APIs with direct carrier integrations}{Warsaw}
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\begin{itemize}
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\item Built and grew the engineering team from 3 to 6 over 8 years. Designed SMS APIs (REST, SFTP), IVR flows on Asterisk, carrier-grade gateways via Kannel, ISDN/SIP trunk integrations, billing system for an MVNO.
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\item Stack: Ruby, Rails, PHP, Perl, Bash, Asterisk, Kannel, PostgreSQL, MySQL.
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\end{itemize}
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%---------- AI & PLATFORM ENGINEERING ----------
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\section{AI \& Platform Engineering}
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\jobheading
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{Creator / Operator}{2025 -- Present}
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{Personal AI development platform}{}
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\begin{itemize}
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\item Designed a multi-host agent orchestration platform (Rust, TypeScript, WireGuard mesh) with a semantic memory system (SQLite + embeddings, 5{,}500+ entries) and cross-machine task dispatch.
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\item Ran LoRA fine-tuning on Qwen 27B (H100/H200, Unsloth, vLLM serving) and built a voice synthesis pipeline with cloned voices (Chatterbox/Piper TTS).
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\item Shipped client applications (web chat via FastAPI/SSE, iOS and macOS prototypes) and an extensible plugin system with 25+ tool modules.
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\end{itemize}
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%---------- INFRASTRUCTURE ----------
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\section{Self-Hosted Infrastructure}
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\begin{itemize}
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\item Three-host mesh over WireGuard (macOS + 2x Linux) --- Gitea for source control, Coolify for Docker deployments, Cloudflare tunnels for public endpoints.
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\item opencode (AI coding platform) running across all hosts --- agents, MCP servers, cross-machine dispatch, persistent sessions.
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\item GPU compute on RunPod (H100/H200) for training, local NVIDIA for inference and TTS serving.
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\end{itemize}
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\newpage
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%---------- OPEN SOURCE ----------
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\section{Open Source}
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\vspace{2pt}
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\begin{tabularx}{\textwidth}{@{}l X@{}}
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\textbf{tensors} & Python CLI for safetensor files, CivitAI model management, and image generation via ComfyUI / stable-diffusion.cpp. Published on PyPI. \newline \textit{\href{https://repos.saiden.dev/saiden/tensors}{repos.saiden.dev/saiden/tensors}} \\[8pt]
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\textbf{browse} & TypeScript MCP server for headless browser automation in Claude Code. \newline \textit{\href{https://repos.saiden.dev/saiden/browse}{repos.saiden.dev/saiden/browse}} \\[8pt]
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\textbf{madcat-tts} & Python GPU TTS daemon --- multi-engine voice synthesis with Chatterbox, Piper, VoxCPM2, and XTTS. \newline \textit{\href{https://repos.saiden.dev/madcat-os/madcat-tts}{repos.saiden.dev/madcat-os/madcat-tts}} \\[8pt]
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\textbf{lora} & LoRA fine-tuning toolkit --- persona and specialist adapters for Qwen models (Unsloth, H100/H200). \newline \textit{\href{https://repos.saiden.dev/madcat-os/lora}{repos.saiden.dev/madcat-os/lora}} \\[8pt]
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\textbf{spark} & Recipes and scripts for fine-tuning on the NVIDIA DGX Spark (GB10). \newline \textit{\href{https://repos.saiden.dev/madcat-os/spark}{repos.saiden.dev/madcat-os/spark}} \\[8pt]
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\textbf{chat-saiden} & Web chat application --- Python/FastAPI, Google OAuth, persona calibration, SSE streaming, TTS integration. \newline \textit{\href{https://repos.saiden.dev/madcat-os/chat-saiden}{repos.saiden.dev/madcat-os/chat-saiden}} \\
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\end{tabularx}
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%---------- SKILLS ----------
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\section{Skills}
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\vspace{2pt}
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\begin{tabularx}{\textwidth}{@{}l X@{}}
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\skillrow{\textbf{Core}}{Ruby (20 yrs), Rails, PostgreSQL, Redis, Sidekiq, REST/GraphQL APIs}
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\skillrow{\textbf{Secondary}}{TypeScript, Python, JavaScript, Vue.js, React, FastAPI, Hotwire/Turbo}
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\skillrow{\textbf{AI \& ML}}{LLM fine-tuning (LoRA/Unsloth), vLLM serving, prompt engineering, RAG, embeddings, agent orchestration, MCP/tool-use}
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\skillrow{\textbf{Data}}{PostgreSQL, MongoDB, Redis, Elasticsearch/OpenSearch, SQLite, MySQL}
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\skillrow{\textbf{Infrastructure}}{Docker, Kubernetes (EKS), AWS (S3, SQS/SNS, RDS, CodePipeline), Heroku, GitHub Actions, Cloudflare, WireGuard}
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\skillrow{\textbf{Practices}}{RSpec, CI/CD, code review, system architecture, mentoring, remote-first collaboration}
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\end{tabularx}
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%---------- EDUCATION & OTHER ----------
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\section{Education \& Other}
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\vspace{2pt}
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\begin{tabularx}{\textwidth}{@{}l X@{}}
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\textbf{1998 -- 2000} & Warsaw University of Technology (Politechnika Warszawska) --- Faculty of Production Engineering, weapons systems specialization. Did not complete. \\[4pt]
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\textbf{Languages} & Polish (native), English (fluent, daily working language), German (basic), Russian (basic, reads Cyrillic). \\[4pt]
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\textbf{Availability} & B2B contract or employment. Remote preferred, hybrid possible. Immediate. \\
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\end{tabularx}
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%---------- ANCIENT HISTORY ----------
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\section{Ancient History}
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\jobheading
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{Linux Systems Administrator}{1999 -- 2006}
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{Polska Online \textrightarrow\ NET2NET \textrightarrow\ TDCI --- ISP and network integration (successive acquisitions)}{Warsaw}
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\begin{itemize}
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\item Joined Polska Online as a Linux sysadmin. Transitioned through NET2NET into TDCI as the company changed hands.
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\item Network installations and configurations for Polska Online and Polbox --- DSL deployments, Cisco equipment, on-site infrastructure. Built a large-scale corporate network for Ford dealerships on Cisco 1603 ISDN BRI routers.
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\item TDCI contract for MSWiA (Ministry of Internal Affairs) --- network setup and Windows 2000 fileserver on Active Directory domain.
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\item Stack: Linux (Red Hat, Debian), Cisco IOS, Windows 2000 Server, Bash, DNS, DHCP, Apache, qmail.
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\end{itemize}
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\jobheading
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{Unix Systems Administrator}{1998 -- 1999}
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{Polnet Technologies International --- IT services for PKO BP (Poland's largest retail bank)}{Warsaw}
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\begin{itemize}
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\item First job. Administered Sequoia fault-tolerant servers and Oracle databases serving PKO BP's housing savings system.
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\item Stack: Solaris, Linux (Red Hat), Oracle, Bash, Apache.
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\end{itemize}
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\vspace{2pt}
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\small\textit{Linux user since 1996 (Red Hat 4.x, kernel 2.0). First internet dial-in the same year.}
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%---------- INTERESTS ----------
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\section{Interests}
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\begin{itemize}
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\item Honda guy. Own Sayuki --- a track-prepped EJ9 Civic with a B16A swap. Helga the Q5 8R handles family duties. Track days at Tor Modlin and Tor \L\'od\'z --- short technical circuits, both around 1 km.
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\item Science fiction --- both reading and writing. Currently working on a near-future military fiction project.
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\item Anime and manga. Ghost in the Shell is a permanent reference frame.
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\item Linux since the mid-90s. Still run it on everything that isn't a Mac.
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\item Aggressive inline. Rarely visit the skatepark these days --- kids grew out of it, but I can still fakie and grind.
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\item Mechanical engineering dropout who never stopped thinking about how things move.
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\end{itemize}
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\end{document}
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