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Senior Software Engineer focused on backend, product and platforms

Deepest in TypeScript, Node.js and backend systems; I also deliver frontend, integrations, infrastructure and complete products.

A senior-level generalist who enters new stacks quickly and owns outcomes end to end, without presenting broad production experience as expertise in everything.

B2B · UoP

Availability

Open to roles with meaningful ownership and production-system responsibility.

Target roles

Senior Software EngineerBackend EngineerFull-Stack EngineerProduct EngineerPlatform / Integration Engineering
Experience

From operational systems to international platforms

Experience spans products, integrations and internal software across client and product teams.

01
Jun 2025 — Present

Full Stack Software Engineer · BrainForge IT sp. z o.o.

Current client engagement: Iyuno / SDI Media Group via BrainForge IT, since Jan 2026.

Building scalable backend and frontend components, REST APIs and rapid software prototypes with AI coding agents in cross-functional Agile/Scrum delivery.

Node.js / TypeScript, React / Next.js, NestJSJava / Spring, C# / .NET and PythonPostgreSQL, SQS, S3, LLM and MCPCI/CD and cross-functional delivery
02
Jan 2024 — Jun 2025

Head of Software Engineering · Reperaturki.pl sp. z o.o.

Designed and built internal software that reduced manual operational work across e-commerce, warehouse, ERP and order integrations.

Node.js / TypeScript, Vue / Nuxt, Express and Socket.IORedis, PostgreSQL, MySQL and T-SQLOracle Cloud, Linux and commerce systemsArchitecture and technical delivery leadership
03
2020 — Present

Freelance Software Engineer · Freelance

Designing and delivering web applications, commerce systems, integrations and operational tools across varied business contexts.

Discovery and technical scopeFull-stack implementationIntegrations and deploymentLong-term product evolution

Core stack

TypeScriptNode.jsNext.jsReactNestJSExpressPostgreSQL

Systems and domains

Backend systemsArchitectureIntegrationsE-commerce / commerceAI / LLM systemsMedusaJSPayload CMSMCP

Broader production experience

Java / SpringC# / .NETPythonVue / NuxtRedis / SQLDocker / Linux / CI/CDAWS S3 / SQSGCP / Oracle Cloud

WSEI Kraków

Bachelor of Engineering in Computer Science

Polish

Native

English

C1

Let’s discuss a role with meaningful ownership

I’d like to understand the product, team and scope of responsibility.

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