We are looking for an expert-level Senior Frontend Engineer to integrate into our client’s UI/UX engineering unit. You will play a key role in developing a world-class trading interface, focusing heavily on real-time data visualization, rendering optimization, and architectural standards.
Requirements: * 5+ years of advanced frontend development, deeply specialized in React and modern JavaScript/TypeScript. * Proven expertise in HTML5 Canvas API, animation frame management, and hardware-accelerated rendering. * Extensive experience working with real-time data streaming (WebSockets, gRPC). * Ability to translate complex financial and trading concepts into intuitive user interfaces. * Familiarity with financial markets and basic trading concepts (e.g., order types, market depth, futures). * Strong English (Upper-Intermediate/B2+) to communicate architectural decisions effectively.
Responsibilities: * Participate in designing and implementing live market depth panels, order flow visualizations, and interactive charts using HTML5 Canvas API and React. * Collaborate with the core team to optimize rendering performance for real-time market data, ensuring a flawless 60fps+ experience while handling 100k+ data points without dropping frames. * Prevent memory leaks in long-running applications and manage complex states using modern tooling. * Establish frontend coding standards within your scope, conduct rigorous code reviews, and work closely with backend teams on data formats.
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. * Compensation for sports activities or health insurance covering (up to 250$ per year) — after the trial period. * 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.
