Top 20 JavaScript Development Companies in Berlin

Squareball Digital developed a website working from existing designs. The team used Kontent CMS, and they also provided SEO services. They were a professional partner who offered flexibility and a unique approach.

“We’re satisfied with how responsive the site is; it stands up well on mobile and desktop.” – Founder & Managing Director, Digital Marketing Firm

ELEKS developed a new, easy-to-operate front-end system for an industrial manufacturing company's equipment load management (EML) data. They implemented different file handling requirements and designed the interface with 3D object graphical presentation and graphical data handling elements. 

“The broad scope of work they handled impressed me the most. They also quickly understood the different requirements we had, which came from completely different fields.” -  Principal, Industrial Manufacturing Company

EdgeCase Technology built a B2B website to grow the client base for an IT services company. They followed the client's branded color theme and used MODx CMS to develop the site. Deliveries were on time and the entire partnership was a seamless experience. 

"Everything was easy: the conclusion of the contract, the project phases/sprints, and the surrender." — Team Lead, IT Services Company

Codete upgraded the website of a study abroad company. They took over development of the client’s site, including a custom CRM and a content management system for schools. The client reports that, after the upgrade, the site loaded 60% faster and their traffic had doubled.

“The quality of the people that they put on our project was really good, which leads to good communication, high productivity and high output.” – Co-Founder, Study Abroad Company
 

ValueLogic developed a mobile app for a financial services company. The company needed a partner to develop a software solution. ValueLogic developed a working solution with no problems whatsoever.

“We've had very smooth and productive product development without any issues.” - CEO, Financial Services Company

Noorsoft developed a compact MVP for a taxi service app using React and Node.js. The team offered a lot of expertise.

"It's the best technical team for a start-up with a huge technological expertise." –Founder & CEO, Taxi Service App

An AR startup hired Tinloof to develop a complex website. Tinloof worked with the specs they were provided and developed the site using React technology. They completed the website and met the high expectations of the startup.

"I thought they were great communicators, got work done in half the hours it takes others, and write high quality bug-free code." - Leader, AR Startup

Codest developed the frontend and backend of a web-based tool for booking targeted online ads for a media company. The client found value in their nuanced understanding of industry needs, fluid communication, and high reliability. They enhanced the product using Ruby on Rails and JavaScript, and it has dramatically increased revenue and contributed to business growth.

“Codest’s work has had a positive effect on our income. The platform makes it easier for our team to sell ads, which has resulted in increased business. It’s also being used by external customers, making it one of our most important products.” – Head of Development, Media Company

A digital marketing and development company partnered with Fantasy Sports Solutions for help launching a beta application for the World Cup. They provided the client with the development and backend support of the app. The project was successful and has over 8,600 users currently.

They understand a startup’s needs. Sometimes our budget is really tight and we have to push things aside. They were very understanding when it comes to financial struggles for startups. They understand when to push and when to do a discount.“ – Founder, Fantasy Sports Platform

Voypost developed a dashboard for a healthcare product. The dashboard was made as a response to a suggestion by one of the product’s customers. The quality was good overall as early as the prototype stage.

“Changes needed on our end were clearly specified to our engineer. Issues were dealt with rapidly.” - Head of Product, Healthcare Product

Sudolabs provided full-stack development solutions for a data analytics firm. The firm was understaffed and worked with Sudolabs on various projects. The firm is impressed with Sudolabs’ quality of work.

“Communication worked well.” - General Manager, Data Analysis Firm

Imagine Heroes developed a website for an e-learning provider. The provider hired Imagine Heroes to revamp their website by redesigning and optimizing it for ease of use. The new website allows the provider to better manage their content.

“The most significant advantage of working with Imagine Heroes was reliability.” - Founder, E-Learning Provider

Makers' Den provides ongoing frontend development support for an online classifieds company. Their work has been well-received by the internal team. 

"Working with them is a lot of fun but also productive." – Global Head of Product, Classifieds Company 

A fintech company hired Jungsoft to build the wireframe and complete the development of their appp. Jungsoft worked closely with the company to build the wireframe in Adobe XD and gave regular updates to the company through Monday.com. The project is still ongoing and Jungsoft has been meeting the company's expectations with their work so far.

"They offer really high-quality customer service and build the projects in a timely manner." - Co-Founder & CEO, Fintech Company

Konig Labs optimized the existing software solution of a vessel management company. They worked to prevent data loss and implemented a new system logic. Their work buttressed the client's data synchronization and security.  

"The new system has an improved, more convenient user interface." — Superintendent, Vessel Management Company

Vrrb Interactive collaborated with an e-learning platform on multiple technical processes. They assisted with web design and UI/UX design for their web app, including the early stages of an offering platform, a publishing platform, and analytics. The client has received positive feedback on their work.

“They were great. They worked quick. That's one of the things we liked about them. They followed through across the board.” – CEO, E-Learning Platform
 

jut-so worked with a branding agency to build a high-quality website for one of the agency's clients. Using WordPress, jut-so developed a website, with both the front and backend of the site worked on. The corporate identity of the site was provided, and jut-so added some design elements that stuck with the theme of the client.

"The feedback from our client has been gushingly good. For us, that’s amazing. Our input for them has also been excellent. We gave them a specific project with a tight budget, and jut-so has knocked it out of the park. We’ve been super happy." - Founder, Branding Agency

agileful provided frontend development for a fraud detection web application using React.js. They collaborated well with the in-house development team and remained transparent throughout the project. 

"We’ve worked with multiple development companies, but agileful has been the best." – CEO, IT Services Company

MVP Factory developed a mobile app for a food-ordering service. Their team developed the front- and backend of the app for both iOS and Android with prepay functionalities, loyalty programs, and order-scheduling features. The app was a success and garnered a 4.7-star rating, 95% customer satisfaction, 20,000 total users, and 4,000 active monthly users.

"Thanks to their work, our project is progressing flawlessly. MVP Factory was definitely an excellent source of help as we launched our business." – Co-Founder, Food Ordering App

Strowberry Code was hired by a Tourism Nonprofit to do a major redesign of the Nonprofit's website and added a new interactive section. The redesign improved the function of tourism activities that allowed the Nonprofit to generate income to sustain their information drives.

"Strowberry was happy to work around all of our disorganization, and inability to stick to deadlines." - President, Tourism Nonprofit

A mobility think tank hired control.alt.coop to develop an app that automatically detects a user's means of transportation from among nine established options. control.alt.coop worked on the architecture, development, and the updates using Java. They completed the project and the app performed up to the think tank's expectations.

"The app is very good, and we never had too many problems." - Project Manager, Mobility Think Tank

DigitalKwarts OÜ made extensive updates to a lifestyle blog. They redeveloped the blog's e-commerce section through end-to-end design and added multiple new features, such as custom widgets and a redesigned home page. The site's traffic and click-through rates have improved significantly after the redesign.

"My favorite aspect of this engagement was how personal it felt to collaborate with Andrew. It was like working with someone I already knew quite well, even though we've never met. I greatly appreciate that he’s unfailingly honest about what I should and should not do." - Blogger and Founder, Lifestyle Blog

YND worked with a automotive agency where they helped fix several bugs associated with their mobile app. The were able to successfully implement new updates for the app and allowed it to run smoothly on both iOS and Android platforms.

"They do everything from project management to hardware development, which makes them completely reliable. Out of the many mobile development companies I’ve worked with, they are certainly the most experienced developers." – CTO, Automotive Agency

DevHired recently worked on web development for a beauty company. They created a site that pulls data to verify beauty professionals for that client.

“They're incredibly easy to work with, and they grasp concepts immediately. Beyond just execution, they come up with better ways to make the work happen.” — Founder, Beauty Company

 

Emerald Solutions built an e-commerce shop with a custom configurator with very limited delivery zones and limited stocks per city per country, amongst other projects for an electric scooter startup.

"Most impressive was the pace of development alongside the quality of deliverable product." – Team Lead, Scooter Startup