J. GŁUSZEK
Jacob's character drawing

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Innovative Software
Engineering
[TypeScript]/

From concept to production, my goal is to craft pixel-perfect, high-performance applications.

design.md

Design

Enhance pixel-perfect, responsive user interface design and rapid prototyping. I assist you in crafting beautiful software through consistent color palettes, spacing, typography, shadows, and all elements that compose a well-structured design system.

font-family Inter

AaBbCcDd

fs-primary-heading 36px

Primary Heading

fs-secondary-heading 24px

Secondary Heading

fs-body 14px

Lorem ipsum dolor, sit amet consectetur adipisicing elit. Illo sunt similique consectetur optio nesciunt. Nemo fuga alias quia. Quibusdam reprehenderit ipsam vel dolorem illo odit quas!

Neutral
Primary
Secondary
Success
100%
80%
65%
55%
47.5%
42.5%
40%
37.5%
Shadow Small
Shadow Medium
Shadow Large
Inset Shadow
develop.ts

Develop

High-performance, production-ready, full-stack software engineering. I concentrate on developing secure, clean and modular code to build the finest software solutions for your business.

Dashboard.tsx server.ts db.ts
01 export default function Dashboard() { 02 03 const { mapData } = useMapData() 04 const { mapAnimation } = useMapAnimation() 05 06 return ( 07 < Layout > 08 < Map 09 data= { mapData } 10 animation= { mapAnimation } 11 /> 12 </ Layout > 13 ) 14 }
deploy.yaml

Deploy

Compile, test and ship with automated CI/CD pipelines to release your applications. I assist in establishing sustainable feedback cycles that enable development teams to create scalable and secure code while maintaining velocity.

error-pages
GET /
✓ should respond with page list
Accept: text/html
GET /403
✓ should respond with 403
GET /404
✓ should respond with 404
GET /500
✓ should respond with 500
Accept: application/json
GET /403
✓ should respond with 403
GET /404
✓ should respond with 404
GET /500
✓ should respond with 500
Accept: text/plain
GET /403
✓ should respond with 403
GET /404
✓ should respond with 404
GET /500
✓ should respond with 500
error
GET /
✓ should respond with 500
GET /next
✓ should respond with 500
GET /missing
✓ should respond with 404
markdown
GET /
✓ should respond with html
GET /fail
✓ should respond with an error
multi-router
GET /
✓ should respond with root handler
GET /api/v1
✓ should respond with APIv1 root handler
GET /api/v1/users
✓ should respond with users from APIv1
GET /api/v2
✓ should respond with APIv2 root handler
GET /api/v2/users
✓ should respond with users from APIv2
mvc
GET /
✓ should redirect to /users
GET /pet/0
✓ should get pet
GET /pet/0/edit
✓ should get pet edit page
PUT /pet/2
✓ should update the pet
GET /users
✓ should display a list of users (70ms)
GET /user/:id

when present

✓ should display the user
✓ should display the users pets

when not present

✓ should 404
GET /user/:id/edit
✓ should display the edit form
PUT /user/:id
✓ should 500 on error
✓ should update the user
POST /user/:id/pet
✓ should should create pet for user (19ms)
microservices
GET /api/gateway/health
✓ should return gateway status
GET /api/auth

authentication service

✓ should validate JWT tokens
✓ should refresh expired tokens
✓ should handle invalid credentials
POST /api/notifications

notification service

✓ should send email notifications
✓ should send SMS alerts
✓ should handle delivery failures
GET /api/analytics/metrics

analytics service

✓ should aggregate user data
✓ should generate daily reports
✓ should cache frequent queries
PUT /api/payment/process

payment service

✓ should process credit cards
✓ should handle PayPal integration
✓ should validate transactions
✓ should record payment history
GET /api/search

search service

✓ should perform fuzzy matching
✓ should filter by categories
✓ should sort by relevance
POST /api/logging

logging service

✓ should track error rates
✓ should monitor service health
✓ should alert on thresholds
params
GET /
✓ should respond with instructions
GET /user/0
✓ should respond with a user
GET /user/9
✓ should fail to find user
GET /users/0-2
✓ should respond with 3 users
GET /users/foo-bar
✓ should fail integer parsing
resource
GET /
✓ should respond with instructions
GET /users
✓ should respond with all users
GET /user/1
✓ should respond with user 1
GET /users/9
✓ should respond with error
GET /users/1..3
✓ should respond with users 1 through 3
DELETE /users/1
✓ should delete user 1
GET /users/1..3.json
✓ should respond with users 1 through 3 as json
route-map
GET /
✓ should respond users
DELETE /users
✓ should delete users
GET /users/:id
✓ should get a user
GET /users/:id/pets
✓ should get a users pets
GET /users/:id/pets/:pid
✓ should get a users pet
route-separation
GET /
✓ should respond with index
GET /users
✓ should list users
GET /user/:id
✓ should get a user
✓ should 404 on missing user
GET /user/:id/view
✓ should get a user
✓ should 404 on missing user (13ms)
PUT /user/:id/edit
✓ should edit a user
POST /user/:id/edit?_method=PUT
✓ should edit a user
GET /posts
✓ should get a list of posts
POST /posts/new
✓ should create a new post
DELETE /posts/:id
✓ should delete existing post
✓ should 404 on missing post
PUT /posts/:id/status
✓ should update post status
vhost
example.com
GET /
✓ should say hello
GET /foo
✓ should say foo
foo.example.com
GET /
✓ should redirect to /foo
bar.example.com
GET /
✓ should redirect to /bar
web-service
GET /api/users

without an api key

✓ should respond with 400 bad request

with an invalid api key

✓ should respond with 401 unauthorized

with a valid api key

✓ should respond with users json
GET /api/repos

without an api key

✓ should respond with 400 bad request

with an invalid api key

✓ should respond with 401 unauthorized

with a valid api key

✓ should respond with repos json
GET /api/user/:d/repos

without an api key

✓ should respond with 400 bad request

with an invalid api key

✓ should respond with 401 unauthorized

with a valid api key

✓ should respond with users json
✓ should 404 with unknown user

when requesting an invalid route

✓ should respond with 404 json
1123 passing (4s) ============================================================================= Writing coverage object [/home/runner/build/expressjs/express/coverage/coverage.json] Writing coverage reports at [/home/runner/build/expressjs/express/coverage] ============================================================================= =============================== Coverage summary =============================== Statements : 98.81% ( 1916/1939 ), 38 ignored Branches : 94.58% ( 751/794 ), 22 ignored Functions : 100% (267/267) Lines : 100% (1872/1872) ================================================================================ The command "npm run test-ci" exited with 0. $ npm run lint > express@4.17.1 lint /home/runner/build/expressjs/express > eslint . The command "npm run lint" exited with 0. store build cache $ # Upload coverage to coveralls Done. Your build exited with 0.
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projects.json

Products / Projects

Beyond my day-to-day work, I create passionate side ventures to explore next-generation technologies and forward-thinking ideas. These endeavors showcase my methodology in software craftsmanship, spanning complex technical solutions to revolutionary web platforms, all developed with rigorous focus on optimization and user-centric design.

ViralFlow

AI-powered social media marketing platform that transforms content creation for Polish businesses. Users can generate content for social media posts in seconds using AI. Features include campaign planning, platform integrations, performance tracking, and trend-based idea generation. Built using React, TypeScript, Hono, and Cloudflare.

viralflow.pl

Log the Way

A comprehensive progress tracking and self-improvement platform that allows users to visually organize goals, notes, and media in interconnected mind maps. Features include a shared React application core adapting to web and desktop environments, with flexible progress tracking and visual organization. Built with React, TypeScript, Electron.

logtheway.com In Progress