I had the pleasure of working with Vitalii, an outstanding front-end engineer whose technical skills and attention to detail consistently impressed me. His ability to create seamless, user-friendly interfaces and solve complex design challenges made a significant impact on our projects. Beyond his expertise, Vitalii was a collaborative and reliable team member, always willing to support others and share valuable insights. I highly recommend Vitalii to any team looking for a skilled and dedicated front-end developer.

I worked alongside Vitalii for several years, and his contributions as a front-end engineer consistently elevated the quality of our products. He brings a thoughtful, user-first mindset to every project, combining technical precision with an intuitive understanding of design and usability. Vitalii has a natural ability to break down complex UI problems and deliver clean, maintainable solutions. He's proactive, dependable, and always engaged—whether he's building new features or optimizing performance . His calm, solution-oriented approach makes him a key asset on any engineering team. I’d strongly recommend Vitalii to any organization looking for a front-end developer who brings both technical depth and collaborative spirit to the table.

I had the pleasure of working in parallel with Vitalii within the same frontend chapter, and he consistently stood out as a humble, approachable, and highly capable engineer. Despite being on different teams, it was easy to recognize his quick perception and pragmatic approach to problem-solving. Vitalii brings calm focus and solid judgment to his work - qualities that make collaboration with him both effective and enjoyable. A great asset to any team.

I had the pleasure of working with Vitalii for a few years. His front-end capabilities massively helped us in improving and extending our internal product and improve our client adoption. He was always willing to go beyond to achieve the next steps in the project phases. As a teammate he was always approachable and ready to help! I can dearly recommend hin to anyone looking to hire a skilled engineer and empethatic teammate!

I had the pleasure of working with Vitalii Kasap on design and building of AI systems for outlier detection in the customer data for providing market insights. He consistently demonstrated excellent software engineering skills like JavaScript/jQuery , Angular, React etc. He has strong analytical abilities and excellent communication. He is a valuable asset to any team and I highly recommend him for future opportunities.

I had the pleasure of working with Vitalii, and was always impressed by his positive attitude, team spirit, and eagerness to learn. He’s a friendly and collaborative front-end engineer who brings great energy to any team. Vitalii also shows strong potential and a real commitment to improvement. He’s a joy to work with, and I’m confident he’ll thrive in the right environment. Any team would be lucky to have him! :)

I wholeheartedly recommend Vitalii, a promising Software Engineer I worked with over two years. Vitalii possesses a good knowledge of front-end technologies like Angular and consistently produces high-quality work, demonstrating a strong commitment to excellence. He proved his adaptability by successfully contributing to projects across two different teams, embracing new challenges with ease. What truly stands out is his remarkable willingness and ability to quickly learn and adopt new technologies and best practices. Coupled with his genuine and open communication style, Vitalii is an excellent team player with immense potential. I'm confident he will continue to achieve great things in his career.

I had the pleasure of working closely with Vitalii for over two years, and I can confidently say he is one of the most reliable and capable front-end engineers I’ve collaborated with. His strong command of Angular and modern front-end practices consistently translated into clean, maintainable, and efficient code. What impressed me most was Vitalii’s mindset—he approaches challenges with curiosity and determination, always eager to expand his skill set and stay aligned with evolving standards I have no doubt that he will continue to excel in any engineering team lucky to have him.

I supervised Vitalii at our previous company. Together, we implemented several projects where he consistently demonstrated strong frontend development skills, quickly picking up tasks and delivering reliable solutions. Over time, Vitalii demonstrated the potential to grow into a senior role, designing and building complex, high-load frontend applications. He was a key contributor to the project success and provided valuable support to other teams in handling complex feature requirements. I highly recommend Vitalii as a frontend developer capable of delivering high-quality technical solutions and making a strong impact on your organization.

I had the pleasure of working with Vitalii during a critical time when our team urgently needed strong front-end expertise. He joined us when almost everyone else had left, but in no time, he rebuilt our entire application with outstanding speed, precision, and efficiency. His code was clean and flawless, and everything worked perfectly from day one. Beyond his technical skills, working with him was incredibly easy – he maintained clear communication and delivered results. Vitalii is the kind of developer every team dreams of: highly professional, reliable, and delivering beyond expectations. I highly recommend him for any front-end role.

I had the pleasure of working with Vitalii on the Data Platform team, where we teamed up on the Enterprise Design System and the SQCX tool. He’s a talented and reliable developer who was always great to collaborate with—proactive, thoughtful, and easy to work with. His input made a real difference in our projects, and I’d be happy to work with him again anytime.

I had the pleasure of working closely with Vitalii on a project at NIQ-GfK, where we collaborated as an SRE and a frontend engineer. Throughout our time working together, Vitali consistently brought a high level of dedication, technical expertise, and ownership to everything he touched. We built several Angular and React pipelines together, and I was particularly impressed with how seamlessly Vitali handled the containerization of frontend components — a critical piece that enabled smoother deployments and greater scalability. His ability to pick up complex requirements with ease and translate them into clean, efficient solutions made a real difference to the team’s productivity.

I had the opportunity to work closely with Vitalii Kasap as part of our development team, where he took on the role of a Frontend Developer with a focus on Angular. From day one, Vitalii impressed everyone with his exceptional speed and productivity. He consistently delivered high-quality work, often ahead of schedule, while maintaining clean, maintainable, and scalable code. What sets Vitalii apart is not just how fast he works, but how responsible and reliable he is. He always approached his tasks with ownership and professionalism. Whether it was implementing complex UI features, fixing tricky bugs, or reviewing others' code, Vitalii was fully engaged and always brought a thoughtful and detail-oriented perspective. Beyond his technical skills, he’s also a great team player — easy to communicate with, supportive of others, and focused on delivering value to the product and end users.

I had the opportunity to work closely with Vitalii Kasap as part of our development team, where he took on the role of a Frontend Developer with a focus on Angular. From day one, Vitalii impressed everyone with his exceptional speed and productivity. He consistently delivered high-quality work, often ahead of schedule, while maintaining clean, maintainable, and scalable code. What sets Vitalii apart is not just how fast he works, but how responsible and reliable he is. He always approached his tasks with ownership and professionalism. Whether it was implementing complex UI features, fixing tricky bugs, or reviewing others' code, Vitalii was fully engaged and always brought a thoughtful and detail-oriented perspective. Beyond his technical skills, he’s also a great team player — easy to communicate with, supportive of others, and focused on delivering value to the product and end users.

During several years under my management, Vitalii evolved impressively from mid-level to near-senior software engineer, requiring minimal supervision throughout. His standout qualities include exceptional self-directed problem-solving – researching multiple solutions before seeking strategic guidance – and remarkable adaptability across teams. Vitalii quickly absorbed different workflows while sharing knowledge effectively, demonstrating strong cognitive flexibility. Technically, he excels in Angular and TypeScript with a focus on architecture and maintainability. He also brings React experience and has made significant contributions to code reusability through web components and StencilJS.