sean@hakuba:~$

$ whoami

Sean DeSilva

Developer & analyst building practical tools and clean systems.

loc ······ Greater Philadelphia, PA

status ··· open to opportunities

                      -+=::-..
             ..:=++****%@@@%%#*=- :-
          -=*#%%%%%%%%%%%%%%%%%@%*%@:
     .=+*%@@@%%%%%%%######%%%%%%%%%@%+++=-
      -:*@%%%%%%%%%%####%%##%%%%%%%%%@@@%*:
      .=#%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%#:
     -#%%%%%%%%%%%%%%%%@%%%%%%%@%%%%%%%%%@@+
    .%%@@%%%%%%%%%%%%%@@%%%%%@@@%%%%@%%%%%@@+
    #@@@@%%%%%@@%%%%@@%%%%%%@%#%%%%@@%%%%%%@@=
   =@@@@%%%%%@@%%%@@%*%%%%@%#*%%%%##@@%%%@@@++
  -@%@@@@%%%@@%%%%%*+%@@@%#*+*%#*+++#@%%%@@@=
  =:-%@@@%@@%#%%#*++#%%#*++++********#@%@@@@*
    .@@%@@@%##%%##%#**+++++#%#######**%@@@@@+
     %@%@@%***+++******+*****+++++++**#@@@@@*
     %@@%@#****#*#*****++****#*#@%*****%@@%#=
     :+%@@#**:+@#@@***++++**:*@@@%::+**#@%*+
      :*%@#*+==#%%*=++++++++==*#*+=++**#@#*=
       +#%#**+++==+++*++++++++====+++**##*+.
       .+##**++++++++**+++*++++++++++*##*=-
        .-=#**+++++++*####*++++**+++**#@:
           +#***++***++++++*****+***##::-
            =##**++************++**#*-
             .=*#****************#+-
               .:*##***++++***#*=-
                  -=**#******+:.
                     .-:::--.

$ cat ./about.txt

about.txt

Developer and business analyst focused on building practical systems that improve operational efficiency and data visibility. I translate complex workflows into scalable tools, including dashboards, automations, and data systems that streamline decision-making.

$ history --work

Jan 2025 — Jan 2026

Center City Legal Reproductions

Data Entry

Philadelphia, PA

Reviewed and screened 30+ weekly job applications, scheduled interviews, and conducted initial phone screenings. Built and maintained dynamic databases centralizing client information, reducing retrieval time by 30%. Analyzed medical records for regulatory compliance, streamlining data entry processes by 20%. Designed an Excel-based dashboard tracking 1,000+ medical records and insurance claims. Collaborated with stakeholders on process improvements that enhanced workflows and client satisfaction.

Feb 2023 — Dec 2024

IntelliSys Solutions Group

Business Analyst

Philadelphia, PA

Facilitated daily standups to align stakeholders, gather requirements, and define project goals. Designed an Excel-based contract proposal dashboard managing 30+ contracts with 100% on-time completion. Optimized company website performance through strategic HTML and CSS enhancements. Orchestrated a strategic employee resume database and maintained a talent pipeline through sourcing and outreach. Researched and secured 5 new contracts, increasing revenue 20% over six months. Supported HR compliance, documentation verification across a 20+ member team, and accounting with transaction validation and invoicing.

$ cat ./education.log

Aug 2019 — May 2023

La Salle University

Bachelor of Science in Integrated Science

$ ls ./skills

PythonTypeScriptJavaScriptJavaCSQLReactNext.jsNode.jsFlaskAWSTailwind CSSHTML/CSSGitGitHub ActionsBashMySQLSQLiteDrizzle ORMPostmanVercelTableau

$ ls -la ./projects

drwxr-xr-x2026

LogSentry/

Lightweight log detection engine (mini-SIEM) that parses auth logs into normalized events and runs YAML detection rules over them — SSH brute-force, credential compromise, privilege-escalation attempts. Sliding-window and sequence correlation built from scratch, with terminal/JSON/SQLite reporting and a CI-friendly exit mode.

PythonYAML rulesSQLitepytestGitHub Actions
[view source]
drwxr-xr-x2025 – 2026

File Integrity Monitor/

Windows desktop security app that fingerprints critical files with SHA-256 and flags anything modified, added, or deleted. Baselines are HMAC tamper-sealed so they can't be silently edited, with scheduled scans, email alerts, and CSV/JSON reporting — pure Python stdlib, ships as a single .exe.

PythonTkinterSHA-256 / HMACSMTPPyInstaller
[view source]

more at github.com/hakubacode

$ cat ./certs.txt

certs.txt
  • >Active DoD Secret Security Clearance · Department of Defense · 2024
  • >La Salle University Founder's Scholarship · La Salle University · 2019
  • >Dean's List – School of Arts & Sciences · La Salle University · Spring 2022
  • >Good Citizen Award · Community Recognition · 2015
  • >Stanford Introduction to Statistics · Stanford University · 2023
  • >MITx Cybersecurity for Critical Urban Infrastructure · Massachusetts Institute of Technology · 2023
  • >freeCodeCamp JavaScript Algorithms and Data Structures · freeCodeCamp · 2024

$ ping sean

contact

Recruiters, collaborators, fellow builders — my inbox is open. Reach out on LinkedIn or by email and I'll get back to you. (Sales pitches get dropped like bad packets.)