Strong Middle Full Stack Developer

We’re looking for a skilled and motivated Full Stack Developer to join our team at Flexum. In this role, you’ll be responsible for building robust, high-quality features for SaaS products, driving technical excellence, and contributing to projects that deliver real value. If you thrive in an autonomous, dynamic environment, take pride in writing clean, efficient code, and enjoy solving technical problems alongside a team of passionate professionals, we’d love to hear from you.

Flexum is a team of professionals building innovative solutions for SaaS products. We specialize in delivering advanced features such as text editing, real-time collaboration, and AI-powered tools. With deep expertise in technologies like CKEditor, TipTap, and TinyMCE, we tackle complex challenges and help our clients stand out in competitive markets. By joining Flexum, you’ll be part of a team that values quality, innovation, and collaboration, offering you the opportunity to grow while working on impactful projects for businesses worldwide.

Responsibilities

We’re looking for a passionate Full Stack Developer who will:

• Analyze technical challenges and identify areas for improvement
• Design and propose robust engineering and architectural solutions
• Collaborate closely with team members to implement high-quality features
• Uphold best coding practices and contribute to continuous improvement of development processes
• Communicate effectively with clients and create clear technical documentation

We value autonomy and leadership. You’ll have the opportunity to take ownership of your work, drive technical decisions, and contribute as a reliable, ethical team member who upholds our highest standards.

Requirements

To succeed in this role, you should have:

• 3+ years of web development experience
• Proven expertise in at least one modern front-end framework
• Strong experience with server-side development, databases, and API integration
• Solid understanding of the React ecosystem, with an openness to working with other front-end and back-end technologies
• At least an intermediate level of English for effective communication

If this sounds like the right fit for you, we’d love to have you on our team—where your autonomy, responsibility, and growth will be genuinely supported and valued.

Offer

Despite the work in a team of highly experienced and knowledgeable professionals, you will also get:

• Full-time contract with long-term employment
• Remote position
• Professional working environment
• Flexible working hours
• 24 working days of paid vacation and sick leave per year
• Additional days off for personal reasons (without compensation)
• Compensation for the sports, health, and education expenses
• Home office setup bonus
• Free accounting services for private entrepreneurs (in Ukraine)