UI/UX Design for Spain businesses · delivered remotely
Businesses in Spain, from Madrid, Barcelona, Valencia and Málaga, are strong in tourism & hospitality, fashion & luxury and renewable energy. We design websites, apps and portals that make these businesses easier to buy from and work with. We work remotely from our offices in Alpharetta, Georgia (USA) and Mohali, Punjab (India), with calls scheduled around Central European Time.
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Our clients
Where we work in Spain
Cities we work with in Spain: Madrid, Barcelona, Valencia, Seville, Zaragoza, Málaga, Bilbao, Palma
We serve them remotely from Alpharetta, GA and Mohali, India.About Spain (the market we serve)
Built for Spain
Spain is one of the most visited countries in the world. Travellers compare many sites. We design booking flows that make choosing you easy.
Inditex, the owner of Zara, is one of the world's largest fashion retailers. We design storefronts and apps that feel as good as your brand.
Spain is one of Europe's leaders in solar and wind power. We design dashboards that make generation, storage and savings easy to understand.
Working together
Spain is on Central European Time. Our Alpharetta, Georgia office is 6 hours behind you and covers your afternoons for calls. Our engineering team in Mohali, India is 3.5 to 4.5 hours ahead of you (depending on daylight saving) and overlaps with your mornings, so you can talk directly to the people building your project.
Your working dayCentral European Time, 9am–6pm
Alpharetta officecalls & account team
Engineering teamMohali, India
Time for callsin your day
Our expertise
At ByteCode Technologies, we create intuitive and visually compelling user interfaces that elevate user experiences. Our UI/UX design services blend creativity, functionality, and user-centered design principles to deliver seamless digital interactions. Whether you’re launching a new product or optimizing an existing platform, we ensure every touchpoint reflects your brand identity and meets your users’ needs.
Gain deep insights into your target audience with comprehensive user research and persona development.
01Visualize your product’s structure and functionality with interactive wireframes and prototypes.
02Create stunning and responsive user interfaces tailored to your brand and audience.
03Optimize usability and accessibility with designs focused on seamless user journeys.
04Conduct in-depth usability tests to refine and enhance the user experience.
05Develop cohesive design systems to ensure consistency across all platforms.
06How we work
The same clear, five-step process on every project, wherever you are.
We learn your goals, current setup and constraints in a free 30-minute call.
01You get a written scope, timeline and budget before any work starts.
02Short sprints with demos, so you see progress every week.
03Quality checks, a launch plan and a smooth go-live.
04Monitoring, maintenance and new features after launch.
05Ways to work with us
Choose the setup that fits your budget and pace. You can switch as your project grows.
Best for ongoing products
Best for a clear, defined build
Best for evolving requirements
Related case studies
Client testimonials
Discover how our innovative solutions have transformed businesses, driving measurable success and lasting impact.
01 / 05
Bytecode Technologies has developed a Shopify website for a motorcycle clothing company. The team is tasked with setting up the site's theme, creating custom code, and extracting code from another developer.
CEO, Bohn Body Armor
02 / 05
Bytecode Technologies continues to deliver features that boost the client's conversion rate and revenue. The team is highly proficient and agile from a workflow standpoint, and internal stakeholders praise the service provider's technical expertise and ability to take ownership of the project.
CEO, Black Chili Messer
03 / 05
Bytecode Technologies has delivered the website and code per the client's requirements. The team provides timely deliverables and has been responsive and communicative via email and messaging apps. Their knowledge of Shopify is impressive. They've fixed every issue that the client has presented.
CEO, Greatvacs
04 / 05
“We have had an exceptional experience working with Bytecode Technologies. Their team of web developers is highly skilled and dedicated, delivering top-notch solutions that exceeded our expectations. They are responsive, professional, and truly understand the needs of their clients. Our project was completed on time and within budget, with excellent attention to detail and functionality. We highly recommend Bytecode Technologies for any web development needs. Thank you for your outstanding service!”
Founder of MSD , MAISONdeSABRÉ
05 / 05
“Exceptional service and unmatched professionalism. From start to finish, every detail was handled with the utmost care, making the entire experience smooth and stress-free. The team’s expertise is evident in every interaction, and their dedication to delivering top-notch results truly sets them apart. I am thoroughly impressed and couldn’t be happier with the outcome. I highly recommend their services to anyone seeking excellence.”
Head of Direct e-commerce , DELSEY PARIS
Hire us on Upwork
Same Bytecode team, same way of working. Hire us through Upwork and pay safely by milestone, with Upwork’s payment protection.
Prefer to hire us directly? Same team, no Upwork fees. Talk to us the way you like.
Bytecode Technologies
Shopify & full-stack development agency
Alpharetta, USA · Mohali, India
Why Bytecode
A full-service technology team that plans, builds and supports your product, with clear communication at every step.
Specialists in cloud, DevOps, web, mobile and AI under one roof.
Scope, budget and timeline agreed before any work starts.
Access control, backups and best practices built in from day one.
Support and improvements long after launch.
FAQ
Everything you need to know about UI/UX Design services in Spain with Bytecode.
Spain is on Central European Time. Our Alpharetta, Georgia office is 6 hours behind you and covers your afternoons for calls. Our engineering team in Mohali, India is 3.5 to 4.5 hours ahead of you (depending on daylight saving) and overlaps with your mornings, so you can talk directly to the people building your project. You also get a project manager and a shared channel (Slack, Teams or email).
Yes. The European Accessibility Act has applied since June 2025 to many online shops, banking and travel services. We work to WCAG 2.2 AA and can deliver in Spanish and English.
Yes. We make booking platforms scale for peak traffic and automate enquiries so the same team can handle more guests.
With a short discovery call and a review of your current product or idea. We then send a scope, timeline and estimate.
It depends on the number of screens, research needed and whether you need a design system. Send the form and we'll reply with a clear budget range.
Yes. You get organised Figma files, a component library and specs, and we can also build the designs ourselves.
Still have a question? Talk to our team →
Local context
La Moncloa (Government of Spain) · 2026-03
Why it matters: Public co-funding for cross-border AI projects lowers the cost for Spanish companies to build new software and data products, provided they have a credible technical plan and delivery partner.
Read the article ↗Let's connect
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Before you go
See why brands trust Bytecode to build, scale and look after their digital products.
Bytecode Technologies has developed a Shopify website for a motorcycle clothing company. The team is tasked with setting up the site's theme, creating custom code, and extracting code from another developer.
Bytecode Technologies continues to deliver features that boost the client's conversion rate and revenue. The team is highly proficient and agile from a workflow standpoint, and internal stakeholders praise the service provider's technical expertise and ability to take ownership of the project.
Bytecode Technologies has delivered the website and code per the client's requirements. The team provides timely deliverables and has been responsive and communicative via email and messaging apps. Their knowledge of Shopify is impressive. They've fixed every issue that the client has presented.
“We have had an exceptional experience working with Bytecode Technologies. Their team of web developers is highly skilled and dedicated, delivering top-notch solutions that exceeded our expectations. They are responsive, professional, and truly understand the needs of their clients. Our project was completed on time and within budget,…
“Exceptional service and unmatched professionalism. From start to finish, every detail was handled with the utmost care, making the entire experience smooth and stress-free. The team’s expertise is evident in every interaction, and their dedication to delivering top-notch results truly sets them apart. I am thoroughly impressed and…
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