Middle/Senior Software Engineer (Frontend)
HybridPorto, Porto, Portugal
Job Summary
Build high-quality trading applications and chrome extensions using TypeScript, React, and advanced HTML/CSS while collaborating efficiently in daily meetings. Create applications with quality in mind by participating in core code reviews, maintaining ownership of tasks up to completion, and setting correct priorities based on business value. Ensure accessibility standards are met through WCAG component development and perform end-to-end testing with tools like Cypress or Playwright. Work remotely or hybrid with flexible hours, supporting complex financial institutions in delivering tailored solutions for brokerage automation and market data products.
Required Qualifications
- Be a team-player
- collaborate efficiently
- give timely answers and updates
- Be able to understand the business value and set correct priorities
- Have an ability to take ownership of codebase and tasks up to completion
- Participate in daily meetings
- perform core reviews
- follow company standards
- Create applications with quality in mind
- Deep knowledge of JS core
- TypeScript and React hands-on experience
- Proficiency in HTML / CSS, including advanced practices (semantic HTML and Accessibility)
- Understanding of how modern Web works (HTTP, WebSockets, Cookies)
- English – spoken and written
Desired Qualifications
- Claude Code experience
- Unit and end-2-end testing (Jest / Cypress / Playwright)
- Web performance analysis (DevTools profiling / Web Vitals)
- Experience or understanding of fp-ts library
- Experience with building WCAG a11y components
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