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Photo: Krzysztof JamińskiFull-stack developer · Rzeszów, Poland · hybrid

Krzysztof
Jamiński

I build web applications from the interface to the database and deployment. Since November 2025 I’ve worked at Mobitouch, day to day in TypeScript, Next.js and NestJS.

~1 year in commercial work · open to side projects

Claude Certified Architect · Anthropic

BEng in Computer Science, University of Information Technology and Management in Rzeszów · MSc in progress · English B2+

01 / 07 · Goals and needs
Projects

A few things I’vebuilt.

Three products for Mobitouch clients and the mLab AI program.

Fig. 01 — Graduate board with filters
Project 01 / 03

mKariera

A showcase of mLab AI graduates for recruiters.

Editing in the Azure portal, a static site on Vercel, a Zod contract between them.

mkariera.pl
Project
Mobitouch · Full-stack
Stack
Next.jsReactTypeScriptZodNestJSPrismaSQL ServerAzureVercelGeminiPlaywrightVitest
Project 02 / 03

Impactly

Students build a verified portfolio on real organization projects.

AI in the product: CV import, project builder, RAG knowledge base, team code review.

app.impactly.pl
Project
Client startup · sole full-stack dev, from scratch
Stack
Next.jsReactTypeScriptTailwind CSSNestJSNodemailerPrismaPostgreSQLRailwayDockerPlaywrightVitest
Fig. 02 — Sign-up and skills tree
Fig. 03 — Order from guest to kitchen
Project 03 / 03

Dinest

Food ordering to apartments from local restaurants.

Stripe Connect: payments, payouts, PDF invoices and refunds.

demo.dinest.pl
Project
Client startup · backend, front-end with the team
Stack
Next.jsTypeScriptNestJSStripe ConnectTwilioMailtrapPrismaSQL ServerAzureDockerJest
Experience

In commercial teamssince 2024.

Internships at Asseco (2024) and Mobitouch (2025), full-time since November 2025.

  1. Since Nov 2025

    Full-stack developer

    Now
    Mobitouch, Rzeszów

    I build products for clients as a full-stack developer: the Impactly and Dinest platforms and the mLab internship portal with its mKariera module.

    AlsoMentor in the mLab AI 2026 program: onboarding and helping two intern teams build apps for foundations.

    TypeScriptNext.jsNestJSPrismaAzureMentoring
  2. Jul – Oct 2025

    Full-stack intern

    Mobitouch, mLab AI program

    In a team of three I built web and mobile apps (React, Capacitor) for nonprofit organizations.

    ReactTypeScriptCapacitorVercel
  3. Jul – Oct 2024

    Backend intern

    Asseco Poland

    I developed features in Java projects, built APIs and wrote automated tests, with a mentor.

    JavaREST APIAutomated tests
Stack

The tools Ibuild with.

Front-end
TypeScriptReactNext.jsTailwind CSSTanStack QueryZodi18n
Back-end
Node.jsNestJSREST / OpenAPIJWT / OAuth 2.0PrismaStripe ConnectTwilio
Data
PostgreSQLSQL ServerRedisSupabaseFirebaseAzure QueueAzure Blob
Cloud & deployment
Azure Container AppsDockerGitHub ActionsVercelRailwayGitAzure DevOps
AI & quality
Claude CodeClaude APIMCPRAGPythonGeminiGitHub CopilotPlaywrightVitest / JestWCAG / axe
Contact

Let’s talk.

hi@krzysztofjaminski.com

Rzeszów, Poland · hybrid work · Polish, English B2+