Joonas Sandell profile picture

Joonas Sandell

UI/UX designer, Front-end developer ✳︎ CV

A designer and creative developer with a keen eye for good design. With more than a decade of design engineering experience, I have the skills to build hiqh-quality web experiences.

A designer and creative developer with a keen eye for good design and attention to detail. With more than a decade of design engineering experience, I have the skills to build hiqh-quality web experiences and assist clients in addressing practical business challenges.

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Lead product designer, Front-end developer —
Biocode logomark

Nov 2020 – Present

  • Built the application front-end together with the team including various features such as real time carbon footprint calculation
  • Designed the application and its features including prototypes and user flows with focus on detailed UX/UI, accessibility and ease-of-use
  • Played an active role in enhancing overall direction of the product and suggesting user-centric features based on analytics
  • Developed and designed Biocode’s end-to-end website including dark/light modes, CMS and Hubspot integration among many other features
  • Authored, designed and developed Biocode Design System including brand assets such as logomarks, icons and product packaging stamps
  • Designed and developed headless Biocode for reporting Next.js web service to market the impact of Biocode for the public audience
  • Contributed and planned interviews with the marketing team for users in order to improve the UX and UI of the application
  • Aided other engineers to ensure quality UI/UX and implementation

UI/UX designer, Front-end developer —
Mediasignal logomark

Sep 2014 – Nov 2020

  • Developed and designed applications for clients such as Bonnier Books, Finefoods, Luke, Kesla, Dahl and Finnpark
  • Designed and developed websites, e-commerce stores and web services for clients such as Academic Bookstore, Oras, Fair trade, Kia, Caverion, TAKK and Hankkija
  • Arranged workshops and planned UX interviews to get valuable feedback from clients and end-users to build successful products
  • Refreshed Mediasignal’s brand twice including logomark design, brand book crafting, business card design and website renewal
  • Developed and designed internal products such as Rubik (PIM), Avainia and ImageBank that were sold to variety of customers
  • Crafted and documented internal tools to quickly kick-start projects
  • Managed to acquire new clients based on past experience, outside connections and word-to-mouth reputation
  • Led and aided groups of developers and communicated with the customers about project progress’

UI/UX designer, Front-end developer — City of Tampere

Apr 2007 – Sep 2014

  • Built and curated valuable Exhibition Guide mobile app to help visitors gain an enjoyable and insightful museum experiences
  • Built Museum Guide screen which featured maps, restaurant menus and other museum information integrated to the website CMS
  • Built Twitter Social Wall screen to engage museum visitors sharing their museum experiences
  • Developed and designed websites and posters for Museum Centre Vapriikki, Moominvalley, Tampere Music Festivals and other city sectors

About me 👋

I’m Joonas — UI/UX designer, front-end developer and sometimes even a music producer. I enjoy connecting with new people online and dedicating some of my free time to various projects. Contact me or learn more about me from below.


Joonas is exceptionally talented individual with a rare combination of talent: designer and frontend developer who can do well crafted designs and also implement them with high quality. He is focused and hard working, yet as a person warm and approachable with good communication skills. My highest recommendation.

Joni Rajanen profile picture

Joni Rajanen

CEO, Neurali

I have had the pleasure of working with Joonas over the years. Together we have been involved in projects that have required not only strategic perspective but also extensive knowledge of digital technology, solid creative insight and a modern visual approach.

Joonas is a very versatile, creative and also technically talented individual. He is a skilled discussionist with clients, and also good and attentive listener. He has a great ability to combine different implementation models and build business services from them to meet clients' needs.

I would warmly recommend Joonas when looking for a versatile and professional expert for demanding visual implementations and technology-oriented design and development projects.

Sami Hakimsan profile picture

Sami Hakimsan

Business Designer, Mediasignal

Having worked with Joonas as a colleague and then as a customer, I can really recommend his web design and development work. Omoroi's website, designed and developed by Joonas, helped our company to stand out and tell our story in a unique way.

Jussi Salovaara profile picture

Jussi Salovaara

Sales Director, Omoroi