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LESZEK PAWLAKCONSULTANT · YOUR ALLY

ADVENTURE LOG

Track Record

QUEST 09

Fungies.io

Senior Fullstack Engineer

Senior Fullstack Engineer at Fungies, a monetization and payments platform for digital products, games and SaaS. Working across a TypeScript monorepo (pnpm + Turborepo): a Next.js merchant dashboard and customer-facing store/checkout on the frontend, and a tRPC + TypeORM/PostgreSQL backend running on AWS (ECS, RDS, Lambda). Focused on multi-tenant architecture, payment provider integrations, and the embeddable checkout SDK, plus the CI/CD and observability that keep it all shippable.

TypeScriptNext.jstRPCTypeORMPostgreSQLAWS

QUEST 08

Equiem

Senior Fullstack Engineer

Collaborating on the most performance-sensitive part of the application, handling the highest volume of database queries. Developing and optimizing GraphQL mutations, queries, and API integrations. Building and maintaining React front-end applications connected to Node.js services.

ReactNode.jsGraphQLTypeScriptPostgreSQL

QUEST 07

Gratified.io

Tech Lead

Played a key role in shaping the company's technology strategy. Led the development of a GPT-OpenAI-based chat system. Built scalable, efficient backend systems using Node.js and OpenSearch.

ReactNode.jsTypeScriptOpenSearchMongoDBFastify

QUEST 06

Artifact - Human Experience Agency

Senior Frontend Engineer

Focused on frontend development, enhancing user experience and design aspects using React and TypeScript.

ReactTypeScript

QUEST 05

PizzaPortal (Glovo)

Senior Frontend Developer

Focused on frontend development, enhancing user experience and design aspects using React, Redux and TypeScript.

ReactReduxTypeScript

QUEST 04

Uptowork

Frontend Web Developer

Developed and optimized frontend aspects of the resume builder platform using React and GraphQL.

ReactGraphQL

QUEST 03

IT Kontrakt (Roche)

Frontend Developer

Worked on a Roche project, developing applications using D3.js.

D3.jsJavaScript

QUEST 02

Bitnoise

Web Developer

Created and developed web applications using React, AngularJs, and Symfony2.

ReactAngularJSSymfony2PHP

QUEST 01

Hive Sports & Media

Web Developer

Gained foundational skills in PHP, WordPress, CakePHP, JavaScript, CSS, HTML.

PHPWordPressJavaScriptCSSHTML