Lead Flutter Engineer at Valtech in Bulgaria

Why Valtech? We’retheexperience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values-driven culture, international careers and the chance to shape the future of experience. The opportunity At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries. We are proud of: The work we do and the innovation we drive Our values of share, care and dare A workplace culture that fosters creativity, diversity and autonomy Our borderless, global framework, which enables seamless collaboration The role Valtech is looking for a Flutter Lead Developer to shape our cross-platform mobile and web application landscape. In this role, you will own the technical strategy, architecture, and delivery of scalable, high-performing Flutter applications that power digital experiences across our business. Working at the intersection of design, development, and product, you’ll lead a cross-functional team of developers and testers, define best practices, and transform ideas into elegant, responsive, and maintainable apps. You will play a key role in driving technical excellence and Flutter adoption, while mentoring others and contributing to a culture of innovation and quality. Role responsibilities Lead Flutter mobile app development across Android / iOS. Focus on best engineering practices for quality, clean code, testing & observability. ⁠Architect scalable, maintainable, and performant mobile solutions. Mentor and guide Flutter developers; conduct code reviews. Collaborate with product, design, and backend teams. Ensure code quality, testing, and CI/CD integration. Stay updated with Flutter/Dart trends and best practices. Manage technical risks and project timelines. Must have qualifications To be considered for this role, you must meet the following essential qualifications: 7+ years of total development experience, with at least 3+ years in Flutter development. Strong knowledge of data structures, modern design patterns, and best practices in object-oriented software engineering. The ability to write clean and neat code that is easy to maintain. The ability to cover all (or almost all) your work with tests. Understanding the principles of user interface design. Expert knowledge of the Dart language. Experience developing native applications (Android/iOS) will be a plus. Knowledge of development and configuration tools (Git, Jira, Jenkins, etc.). Experience with RESTful APIs to connect to back-end services. Knowledge of modern architectural patterns in mobile development (BLoC, MVVM) and the principles of functional programming. Understanding the principles of DRY and SOLID principles. Experience in creating multi-module projects. Advanced level of English, both written and verbal. If you do not meet all the listed qualifications or have gaps in your experience, we still encourage you to apply. At Valtech, we recognize that talent comes in many forms, and we value diverse perspectives and a willingness to learn. Commitment to reaching all kinds of people We design experiences that work for all kinds of people - and that starts with our own teams. At Valtech, we’re intentional about building an inclusive culture where everyone feels supported to grow, thrive and achieve their goals. No matter your background, you belong here. Explore our Diversity & Inclusion site to see how we’re creating a more equitable Valtech for all. The benefits This is a position based in Bulgaria. Beyond a competitive compensation package, we offer: Flexibility, with remote and hybrid work options and 25 vacation days for a healthy work-life balance Co-subsidized transportation & Multisport cards Premium health insurance for fast and easy access to top healthcare services Training policy for technical and other skills-related events, courses and certifications Personal career development roadmap guided by performance evaluations Self-care program offering psychological consultations & discussions for you and the team Cozy office space designed for comfort and productivity Exciting team events and company gatherings Your application process Once you apply, our Talent Acquisition team will review your application. Your CV should cover key information on relevant experiences and expertise. We do not require information such as age, gender, marital status, or a headshot in your application. We review all candidates based on skills, experience, and potential. ⚠️ Beware of recruitment fraud! We are committed to inclusion and accessibility. If you need reasonable accommodations during the interview process, please either indicate it in your application or let your Talent Partner know. About Valtech Valtech is the experience innovation company that exists to unlock a better way to experience the world. By blending crafts, categories, and cultures, we help brands unlock new value in an increasingly digital world. At the intersection of data, AI, creativity, and technology, we drive transformation for leading organizations, including L’Oréal, Mars, Audi, P&G, Volkswagen Dolby, and more. At Valtech, we don’t just talk about transformation. We make it happen. Our people are the heart of our success, and we foster a workplace where everyone has the support to thrive, grow and innovate. Are you ready to create what’s next? Join us.