Middle Software Engineer (React / Trading Platform)

Hybrid, Office, Remote
Ukraine
The Middle Frontend Engineer will contribute to building user interfaces for trading workflows using React and Next.js, while performing occasional backend tasks such as basic API creation or integration support. This role collaborates closely with backend teams to ensure smooth data flows and high‑quality end‑user experiences.

Requirements: 

  • 2–4 years of frontend or full‑stack development experience.
  • Strong hands-on experience with React, Next.JS and TypeScript.
  • Knowledge of API integration patterns and component-driven development.
  • Ability to implement simple backend API endpoints in Python or Go.
  • Understanding of trading and market terminology.
  • Familiarity with frontend testing frameworks.
  • Strong communication and problem‑solving abilities

Nice to have: Exposure to real-time data or WebSocket integrations.

Responsibilities: 

  • Implement trading-related UI features using React and Next.js.
  • Build well-structured components and integrate them with backend APIs.
  • Write simple backend endpoints or support API logic in Python/Go where required.
  • Maintain and execute automated tests for frontend components.
  • Investigate and resolve UI bugs and API integration issues.
  • Contribute to code reviews and uphold frontend best practices.
  • Collaborate closely with backend engineers on API contracts and data flow consistency.
  • Participate in agile ceremonies and ongoing product improvement cycles

What we offer: 

  • Annual paid vacation of 18 working days.
  • Extra vacation days for long-lasting cooperation.
  • Annual paid sick leave of 10 days.
  • Maternity/Paternity leave.
  • The opportunity for sabbatical leave.
  • Marriage and Parenthood Package.
  • Partial compensation for sports activities or health insurance — up to $250 per year (available after the trial period).
  • Internal education(corporate library).
  • Career development plan.
  • English and Spanish classes.
  • Paying taxes and managing PE (Private Entrepreneur).
  • Technical equipment.
  • Internal Referral program.
  • Opportunity to take part in company volunteering activities.
  • Sombra is a “Friendly to Veterans” award-holder.

If you believe you are a suitable candidate for this position, please attach your updated resume using the provided link.

Our recruitment team will review your profile, and if it aligns with our current job openings, we will contact you shortly. If you don’t receive a reply from us within 5 business days, it means we have decided to move forward with other candidates.

Thank you for understanding.

Yuliia Havrylkiv

Junior Recruiter

Send CV

Apply now!

    Thank You!

    Contact us

      Thank you for getting in touch!