About Us
Design Key is a forward-looking tech team that designs and develops innovative software solutions.
Visionary
We proactively suggest ideas and solutions that you may not have even considered.
Precise
We thoroughly analyze your business and industry to meet the highest standards.
Efficient
We have a diverse stack and options to help our clients stay on schedule and on budget.
ABOUT DESIGN KEY
Our story
Daniel Killyevo started Design Key with a vision to empower businesses with cutting-edge technology and tailor-made solutions. After years of experience in the tech industry, Daniel recognized the gap between clients' needs and available services. This realization led to the creation of Design Key, an agency that would bridge the divide and help clients achieve their goals with better-designed products.
At Design Key, we believe in the power of collaboration, creativity, and innovation. Our team of experts is dedicated to delivering exceptional results, leveraging the latest technologies and best UI/UX design principles and techniques to provide solutions that stand the test of time.
Our commitment to excellence has earned us the trust of businesses, both big and small, across various industries. Join us on this journey to revolutionize the digital landscape, one project at a time. Your success is our passion, and we can't wait to see what we can achieve together!
About the founder
Daniel Killyevo is the visionary founder behind Design Key, a Tampa-based software development agency specializing in delivering innovative digital solutions. With a deep passion for technology and design, Daniel has dedicated his career to helping businesses transform their ideas into powerful, user-centric products.
Before founding Design Key, Daniel spent years honing his skills in the tech industry, working with startups and established enterprises alike. His experience spans full-stack development, UI/UX design, and product strategy — giving him a unique perspective on what it takes to build successful digital products from the ground up.
Daniel's approach combines technical expertise with a keen understanding of business needs. He believes that great software isn't just about code — it's about solving real problems, creating intuitive experiences, and driving measurable results for clients.
Under his leadership, Design Key has grown into a trusted partner for businesses looking to elevate their digital presence. The agency's portfolio includes everything from custom web applications and mobile apps to comprehensive branding and design systems.
When he's not leading the team at Design Key, Daniel enjoys staying on the cutting edge of technology trends, mentoring aspiring developers, and exploring the vibrant Tampa Bay area with his family.
OUR LEADERSHIP TEAM
Leading with Vision
Daniel Killyevo
CEO OF DESIGN KEY
Maryna Sirenko
HR AT DESIGN KEY
Michael Pismenitskiy
PROJECT MANAGER TEAM LEAD
Hanna Kyrylenko
PROJECT MANAGER
Daria Volokha
UX/UI DESIGN TEAM LEAD
EXPERTISE
Solutions we build
Our team is constantly growing covering the demands of our clients. We follow technology, business and market trends to swiftly respond to them with qualificated service.
Request an estimateSHOWCASE
Recent projects
CLIENTS
Proud to gain the trust of these companies
“I've had the pleasure of working with the Design Key that delivered quality solutions to the problems the business uncovered. The team was able to balance keeping pace with technology and delivering what was needed on time. I know this team will continue to do great things.”
Ryan Hoke
Product Delivery Manager at BeerBoard
Contact Us
Let's build your great idea together
Fill out the form, and tell us about your expectations. We'll get back to you within 3 business days to answer all questions and help to chart the course of your project.