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Software Engineer (React.js, Python)

Krakow, PL💼 Full-time🗓 2026-09-29

Core

Design, build, and maintain dynamic onboarding forms and registration workflows for a global online trading group.

Role type

Senior Full Stack Software Engineer

Builds

Registration flows and onboarding forms used by clients for secure onboarding

Domain

FinTech / Online Trading

Deliverable

production ML models | product features

Required skills

React.js, Python (FastAPI), API/SDK integration, Cloud environment debugging, Clean architecture (SOLID), End-to-end ownership

Preferred skills

AI-assisted engineering workflows, Google Cloud Platform, Domain-Driven Design, Infrastructure as Code, Automated testing tools

Technologies

React.js, Python, FastAPI, Google Cloud Platform, Terraform, Cypress, Playwright, PyTest, Claude Code

Responsibilities

Design and build dynamic onboarding forms; Integrate third-party vendor services; Own tasks end-to-end from analysis to deployment; Participate in technical discussions and improve system architecture

Seniority

Senior, hands-on IC

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