Front End Team Lead

Permanent employee, Full-time · Burgas

Main responsibilities

Lead Development: Guide and participate in the design and development of complex front-end applications using modern JavaScript frameworks.
Mentor & Coach: Support team members through code reviews, 1:1s, and continuous feedback, fostering a culture of learning and technical excellence.
Architecture & Design: Make architectural decisions, enforce coding standards, and establish scalable front-end patterns and practices.
Collaborate: Work closely with Product Owners, UI/UX designers, and Backend Leads to translate requirements into high-quality deliverables.
Optimize: Ensure code performance, maintainability, and scalability across devices and browsers.
Innovate: Evaluate and integrate new tools, libraries, and best practices to improve the development workflow and application performance.
Plan: Participate in sprint planning, task estimation, and team capacity tracking in Agile development environments.

Requirements

5+ years of front-end development experience, with at least 2 years in a team or technical leadership role.
Degree in Computer Science or related field and/or demonstrated capability through previous experience
Expert in JavaScript (ES6+), TypeScript, HTML5, CSS3.
Deep proficiency in React (in addition Angular or Vue.js) and experience with React Native or other hybrid mobile frameworks.
Proven experience building and maintaining design systems, component libraries, and reusable UI components.
Hands-on experience with modern CSS techniques, CSS-in-JS, preprocessors (SASS, LESS), Tailwind CSS, and styled-components.
Proficient in module bundlers and build tools like Webpack, Vite, Rollup, and task runners.
Solid knowledge of RESTful APIs, GraphQL, and API integration patterns.
Familiar with state management libraries (Redux, MobX, Zustand, NGXS, Pinia).
Understanding of cross-browser compatibility, accessibility (WCAG standards), and responsive design.
Experience with Jest, Testing Library, Cypress, or similar testing frameworks.
Familiarity with CI/CD pipelines, Git workflows, and modern DevOps practices.
Leadership & Communication:
- Strong people management skills, capable of leading 3–6 developers.
- Experience in recruiting, onboarding, and performance management.
- Excellent written and verbal communication in English.
- Strong decision-making and problem-solving skills, with a proactive mindset.
Nice to Have:
- Experience with using AI platforms in the development process.
- Experience with Micro-Frontend architecture or Module Federation.
- Familiarity with WebSockets, OAuth2/JWT, and real-time applications.
- Knowledge of server-side rendering (Next.js) and static site generation.
- Exposure to mobile-first development and PWA best practices.
- Background in the gaming industry or high-traffic consumer platforms.

What we offer in return

Competitive salary packages plus a range of region-specific benefits
Clear career paths and opportunities for continuous professional development
Exciting, meaningful work within a fast-growing international organisation
Modern office spaces across the globe
A vibrant company culture with regular team events and social activities
Entertainment zones, team-building programmes, and local cultural celebrations
Hybrid working options – enjoy the flexibility of working from home and the office
Additional holiday days added the longer you’re with Flat Rock

Privacy statement

Join Us: If this sounds like the next step in your career, we’d love to see your CV (in English). All applications will be handled with the utmost confidentiality, and only shortlisted candidates will be contacted for an interview.
We can’t wait to meet you!

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About us

At Flat Rock Technology, we build the future!

Whether it’s helping clients grow their teams through staff augmentation, developing software that scales businesses, protecting companies from cyber threats, or managing large operational teams as an extension of each of our wonderful customers, we’re there to empower growth and drive impact.

With offices across the Globe: UK, Europe, South America, Sri Lanka, and the US, we’re a fast-growing global tech and staff augmentation organization delivering cutting-edge software development, data services, and business process outsourcing to clients worldwide.

We believe in innovation, ownership, and growing & developing our people. Your ideas matter here and your work truly makes a difference. Whether we're engineering powerful software, optimizing operations, or helping customers scale, we move fast, stay curious, and build with purpose.

Join a team that’s collaborative, ambitious, and always pushing for better.

At Flat Rock, we don’t just follow the future - we create it.

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Thank you for your interest in Flat Rock

Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to hr@flatrocktech.com