Senior Software Engineer | AI SDKs (Hybrid, Warsaw)

Eastern Peak; Województwo mazowieckie; Hybrid; PLN 240,000 - 320,000; Full time

Job summary

Eastern Peak is seeking a Senior Software Engineer to join the SDK team in Warsaw, Poland. The role is hybrid, with three days in the office. You will architect and implement SDKs, design APIs, and integrate with Playwright, Cypress, Puppeteer, and other frameworks.

You will work with AI-assisted tools to accelerate development and debugging. Required are 5+ years in production software, Node.js/NPM, experience with test automation or Chrome DevTools Protocol, and strong English communication.

Qualifications

• 5+ years of hands-on industry experience developing and maintaining production-grade software in a product environment.
• Experience with Node.js and NPM tooling.
• Familiarity with test automation frameworks or the Chrome DevTools Protocol.
• Hands-on experience using AI-assisted development tools in your daily workflow to accelerate development.
• Proven experience working in hybrid or extended teams, collaborating day to day with engineers in another country.
• Excellent written and spoken English, with clear, confident verbal communication.
• Based in Warsaw and able to work from the office 3 days per week.

Responsibilities

• Contribute to the architecture and implementation of the SDKs.
• Design APIs and communication protocols with a focus on performance and asynchronous flows.
• Integrate with leading test automation frameworks such as Playwright, Cypress, Puppeteer, WebdriverIO, Selenium, Mocha, and Jest.
• Use Claude and agentic workflows as part of your everyday development process to speed up development, testing, and debugging.
• Investigate and resolve complex issues that surface only in customers’ environments.
• Collaborate with engineering, product, and QA to ensure technical quality and smooth delivery.

Skills

English communication

Team collaboration

Problem solving

Tools

Node.js

NPM tooling

Chrome DevTools Protocol

AI-assisted development tools

Job description

Eastern Peak is seeking a Senior Software Engineer to join the SDK team in Warsaw, Poland. The role is hybrid, with three days in the office. You will architect and implement SDKs, design APIs, and integrate with Playwright, Cypress, Puppeteer, and other frameworks.

You will work with AI-assisted tools to accelerate development and debugging. Required are 5+ years in production software, Node.js/NPM, experience with test automation or Chrome DevTools Protocol, and strong English communication.