zsh — root@gitgood: ~ — 120×32

root@gitgood:~# whoami --verbose

Hi, I'm Lukasz

// based in Nottingham, UK // available for work

# about ./me

root@gitgood:~# cat about.sh

about.sh
#!/usr/bin/env bash

set -euo pipefail

declare -r  NAME="Lukasz Wisniewski"
declare -r  ROLE="senior full-stack engineer"
declare -r  LOCATION="Nottingham, UK"
declare -ra STACK=("undefined") # pick the right tool for the job

main() {
  # Technology enthusiast, senior full-stack engineer with a focus
  # on backend systems, tooling, and infrastructure.
  # Writing code since long before AI could autocomplete it.

  # I prefer simple, durable systems over clever abstractions, when
  # off-the-shelf feels heavier than the problem, I write my own.

  # Stacks are tools, not religions. Give me a week with a new one.

  echo "${NAME} — ${ROLE} based in ${LOCATION}"
  echo "stack: ${STACK[*]}"
}

main "$@"

# skills ./stack

root@gitgood:~# ls -la ./skills

languages/

Polyglot by habit, what I reach for depends on the problem.

GoC#PHPTypeScriptPythonSQLOdin

backend/

APIs, data flows, and the boring-reliable plumbing.

NodeExpressRESTKafkaOpenAPIMCPDjangoFastAPI

databases/

Relational by default. Strong preference for raw SQL, ORMs are fine when they fit.

PostgreSQLMySQLMariaDBSQLitePinecone

frontend/

Components, state, and the CSS in between.

ReactVueWeb ComponentsSCSSMapBox GL

platform/

Google cloud, or running the server myself when needed.

GCPDockerLinuxBash

testing/

Unit, integration, E2E — whatever the layer demands.

PlaywrightJestVitestpytest

# This is a brief overview.

# projects ./recent

root@gitgood:~# git log --oneline --decorate

4a2c1f8 · brownhounds · go module

nim

Disk-backed key/value cache for go. Atomic writes via tmpfile + rename, per-key file locks for concurrent access, symlink-based TTL expiration.

github →
Go
b9e7d23 · brownhounds · v0.1.3 · feb 2026

openapi-tsgen

CLI that generates typescript types from openapi schemas (yaml or json). Written in go, ships as a single cross-platform binary.

github →
GoTypeScriptOpenAPI
8c5b0a1 · brownhounds · frontend tool

react-hash

Client-side SHA-256 for multi-gigabyte files. Streams data through web workers and hash-wasm to sidestep web crypto's full-file memory limit.

github →
TypeScriptReactWASMWeb Workers
6d3f9c4 · brownhounds · take-home

book-library

Backend interview take-home. Go + postgres api with a vue frontend, role-based access, openapi-validated, dockerized end-to-end.

github →
GoVuePostgreSQLDockerOpenAPI

# These are independent projects. Many more on github.
# For a full overview of professional work, request an interview.

# console ./dev-tools

root@gitgood:~# man gitgood

No manual entry for gitgood (section 1).

See also: gitgood --help

# contact ./me

root@gitgood:~# cat contact.yaml

---
github: github.com/brownhounds
org: github.com/neuralfog
linkedin: linkedin.com/in/lukaszwisniewskiuk
# press / to focus the nav.