Top Front End Developer Jobs in Bucharest

Shape frontend architecture and technical direction across React, React Native, and an Nx monorepo. Own shared libraries, platform capabilities, design-system foundations, tooling, developer experience, performance, testing, migrations, and systemic quality improvements. Partner across product, backend, and QA teams, mentor senior engineers, influence technical decisions, and remain hands-on with implementation and technical investigations. This is an individual contributor role focused on broad organizational impact.

As a Senior Frontend Engineer, you will develop Online banking processes with Angular, mentor junior engineers, and ensure scalable solutions.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

The Senior Frontend Engineer will design and build high-performance applications, mentor junior engineers, and collaborate with teams to enhance the LSEG Workspace platform.

Build and improve Restream’s web interfaces and user-facing features for the AI Clips team. Design UI and business logic, collaborate with product designers, participate in code reviews, improve system reliability, and evaluate emerging technologies. The role requires strong JavaScript and TypeScript expertise, advanced React knowledge, CSS preprocessor experience, and familiarity with backend development, cloud infrastructure, containers, and continuous deployment.

Develop and maintain high-performance Angular front-end applications used by bank tellers for cash transactions. Deliver reliable, well-tested code, troubleshoot performance issues, collaborate with cross-functional teams, provide technical consultancy, drive improvements and mentor junior colleagues.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

As a Senior Full Stack Web Engineer, you'll develop scalable web applications, mentor colleagues, integrate AI tools, and ensure software quality.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Build and own merchant-facing frontend projects end-to-end. Lead frontend architecture, produce RFCs/ADRs, create composable performant accessible UI, monitor production impact, respond to incidents, and mentor engineers while ensuring high code quality and measurable outcomes.

Join Cerebras Systems to optimize and develop frontend compiler infrastructure for PyTorch models on their unique wafer-scale AI platform, focusing on model representation and optimization.

Design and maintain a modular, high-performance frontend: implement a pixel-perfect design system, optimize rendering and bundle sizes, architect client-side state for real-time data, integrate complex APIs, and ensure global availability and operational readiness for a Web3 consumer platform.

Build and maintain responsive, high-performance user interfaces using React and modern front-end technologies. Translate UI/UX designs into reusable code, integrate with backend APIs, optimize performance and cross-browser compatibility, and contribute to testing, code reviews, and engineering best practices in a product-driven, remote environment.

Serve as a senior Java full-stack engineer building and maintaining backend services for blockchain applications, integrate APIs with React/Vue frontends, design scalable enterprise blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to apply best practices.

The role involves building creative tools for content editing, enhancing features with PixiJS and WebGL, and improving collaboration workflows.

As a Frontend Software Engineer, you will build user interfaces for Amplemarket's sales platform, collaborating with co-founders and cross-functional teams to enhance product usability and user experience.