Looking for a top JavaScript developer in Berlin?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.

To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Berlin. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Berlin JavaScript Developers

  • 1
    $25,000+
    50 - 249 Employees
    Berlin Germany

    Full-stack development company with 150 experts on board who build complex digital products for clients worldwide looking to outsource software development to professionals. The company is based in Poznań, Poland and was founded in 1999. Merixstudio’s key expertise is delivering web applications and cross-platform mobile apps. They also provide full project management support, quality assurance, and product design services.

    Clients
    The Juilliard School
    Toshiba
    GS1
    SendinBlue
    Industries
    Notable Project

    Merixstudio used React and Node.js to develop a web platform for a procurement software solution. They provided excellent feedback on the site’s architecture to ensure that they delivered a quality product.

    “Working on a tight timeline, Merixstudio delivered a top-notch product that satisfied the project’s needs. Their team was on top of the project at all times, proactively coming up with creative solutions. Unique to this partnership, the two teams fostered honesty and productive communication.” - Co-Founder & CTO, Procurement Software Solution

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  • 2
    $50,000+
    250 - 999 Employees
    Berlin Germany

    Codete is a Berlin based IT consulting and software development company. They were founded in 2010 and have a team of 104 employees who specialize in AI, big data consulting, and mobile app development. They mainly work with mid-market and enterprise clients in the financial services, automotive, and eCommerce industries. 

    Clients
    Blinkist
    BMW
    Cisco
    Dalia Research
    Industries
    Notable Project

    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
     

  • 3
    $10,000+
    10 - 49 Employees
    Berlin Germany

    Founded in 2004, Squareball Digital is a development and design studio with two locations in Berlin and Manchester, U.K. With a team of fewer than 50 individuals, they serve mostly small businesses in the consumer products and services, arts, entertainment, and music, business services, and financial services industries. Their services include web development, web design, and UX/UI design.

    Clients
    Yara International ASA
    United Nations
    ILO
    WIPO
    Industries
    Notable Project

    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

  • 4
    $25,000+
    10 - 49 Employees
    Berlin Germany

    Ape Unit is a tech hub headquartered in Berlin, Germany that specializes in web design, web development, UX/UI design, mobile app development, branding, and logos. Founded in 2010, Ape Unit works with middle-market companies, enterprises, and small businesses across industries such as advertising and marketing, arts, entertainment, and music, media, real estate, automotive, and energy and natural resources. Ape Unit is comprised of fewer than 10 employees. 

    Clients
    æternity Blockchain
    E.ON
    EasyCredit
    Electronica
    Industries
    Notable Project

    Ape Unit was hired by a live streaming company to provide web design and development services that included brand consultation. 

    "I found Ape Unit four years ago and offered it our idea. I found Ape Unit to be the most complete solution for developing our web page and streaming functionality." – Manager, Live Streaming Company 

  • 5
    $50,000+
    1,000 - 9,999 Employees
    Berlin Germany

    Founded in 1991, ELEKS is a provider of custom software development, product design, QA, and technology consultancy services. They offer cooperation models that fit the goals, resources and timelines of Fortune 500 companies, large enterprises, and small businesses. Headquartered in Ukraine, ELEKS has more than 1,600 specialists and 11 offices on three continents to serve their clients globally. 

    Clients
    Aramex
    Autodesk
    ESET
    TAIT
    Industries
    Notable Project

    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

  • 6
    $10,000+
    50 - 249 Employees
    Berlin Germany

    EdgeCase Technology is a service technology company in Berlin. Founded in 2015, they have about 16 employees that serve small and midmarket businesses in the IT, business services, and financial services sectors. EdgeCase Technology provides services for UX/UI design, web development, BI and Big Data Consulting, and web design.

    Clients
    Thomson Reuters
    Bosch
    Nokia
    MTS
    Industries
    Notable Project

    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

  • 7
    $10,000+
    50 - 249 Employees
    Berlin Germany

    Code&Care is a full-stack software development company based in Austin, Texas, and founded in 2015. With over 50 employees, they offer web development, IT staff augmentation, and mobile app development solutions to small and mid-market agencies alike.

    Clients
    BITFINEX
    Roofstreet
    FrandMe
    RealConnex
    Industries
    Notable Project

    Code&Care provided IT maintenance services for a disability data provider. The provider needed a partner to work on their production system. Code&Care was able to provide sufficient solutions for the provider.

    “Good, they’re aware of what’s going on.” - CEO, Disability Data Provider

  • 8
    $5,000+
    10 - 49 Employees
    Berlin Germany

    Voypost is a software agency with a team of fewer than 10 people based in Berlin. Founded in 2019, they offer custom software, web, and mobile app development services for small and medium-sized businesses using ReactJS, NodeJS, and more.

    Clients
    Blindfeed GmbH
    Pango GmbH
    Value Technology AS
    Notable Project

    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

  • 9
    $10,000+
    50 - 249 Employees
    Berlin Germany

    ValueLogic is a software agency founded in 2015 with more than 50 experts. Based in Wrocław, Poland, they provide web, custom software, and mobile app development solutions for clients in the fields of real estate, IT, and financial services.

    Clients
    ImmobilienScout24
    Tier
    Bremacon
    Retarus
    Industries
    Notable Project

    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

  • 10
    $10,000+
    2 - 9 Employees
    Berlin Germany

    Tinloof is a full-service web agency based in Berlin. The agency, founded in 2020, has a team of less than ten that provides web development, custom software development, and e-commerce development services to various companies.

    Clients
    Zego
    Sendinblue
    Loop (by Ableton)
    LAK Gallery
    Notable Project

    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

  • 11
    $5,000+
    10 - 49 Employees
    Berlin Germany

    Leaware is a development and IT consulting company that was founded in 2010 and is based in Warsaw. They primarily work with midmarket and small businesses in the consumer products & services industry. 

    Clients
    BNP Paribas
    AXA
    EY
    COWI
    Industries
    Notable Project

    Leaware provided ongoing software development services to a healthcare SaaS company. The client was happy with Leaware's work and the flexibility of the team. 

    "We were very pleased with the quality of work that they delivered." – Co-Founder, Healthcare Company

  • 12
    $25,000+
    10 - 49 Employees
    Berlin Germany

    Founded in 2015, Noorsoft is headquartered in Moscow, Russia and has two other locations in Berlin, Germany. Their team of 22 employees provides mobile app development and web development services for both midmarket and small businesses.

    Clients
    Ultra Auth
    Biz2Go
    Uber
    Sproektiruy
    Industries
    Notable Project

    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

  • 13
    $10,000+
    10 - 49 Employees
    Berlin Germany

    FUTURO is a product design and development firm with offices in Chicago, Berlin, and Kyiv, Ukraine. SInce 2017, they have fewer than 50 employees, the agency works with small to mid-sized businesses. They specialize in web development, UX/UI design, blockchain, and brand identity.

    Clients
    Post.Bid.Ship
    Ontel
    Signality
    Nexquare
    Industries
    Notable Project

    FUTURO provided UX/UI design services for an online media company. First, the agency worked on the brand's identity then created the platform's design. FUTURO met all the requirements the client listed.

    "We were able to rely on their experience to handle the project while we worked on our business."–Managing Director, Online Media Company

  • 14
    $10,000+
    250 - 999 Employees
    Berlin Germany

    Berlin based company, Fantasy Sports Solutions, is an IT solutions company for businesses in the Sports industry. Founded in 2008, their team of 10 work with small businesses providing web development, mobile app development, application testing, and UX/UI design. 

    Industries
    Notable Project

    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

  • 15
    $10,000+
    250 - 999 Employees
    Berlin Germany

    Deviniti is an IT company based in Wroclaw, Poland. The company, founded in 2004, has around 250 specialists who provide custom software development, mobile app development, web development, and cloud consulting & SI services. Deviniti serves midmarket and other-sized companies in various industries, including automotive, business services, and financial services.

    Clients
    Credit Agricole Bank Polska S.A.
    Santander Bank Polska SA
    DEKRA
    Carefleet
    Industries
    Notable Project

    An automotive company hired Deviniti to develop a mobile app, available in both Android and iOS, for their customers. Deviniti developed the mobile application server and connection to the company's main server, and did the coding, the testing, the UX development, and the overall project management. The project was completed and Deviniti met all expectations with the successfully launched app that is now used by many users.

    "We appreciate most of all the adjustment to the requirements and operational efficiency." - Product and Process Specialist, Automotive Company

  • 16
    $10,000+
    10 - 49 Employees
    Berlin Germany

    Codest is a software development company that was founded in 2009 and has offices in Krakow and Warsaw, Poland. They have 40 employees specialized in the end-to-end building of custom products, primarily for companies in e-commerce, marketplace, adtech, fintech, proptech and SaaS. Services include backend, frontend and product design.

    Clients
    Mixfit Inc. (CH)
    Helpling (DE)
    Kesko Senukai Digital (LT)
    Yogobe (SE)
    Industries
    Notable Project

    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

  • 17
    $25,000+
    10 - 49 Employees
    Berlin Germany

    Sudolabs is a software house based in Košice, Slovakia with no more than 50 employees. Since their founding in 2017, they have provided custom software, web, and mobile app development solutions for small and mid-market agencies across various industries.

    Clients
    Panoramic (https://www.panoramichq.com/)
    ChaChaMatcha (https://chachamatcha.com/)
    AgencyVista (https://agencyvista.com/)
    Beneko (https://beneko.com/)
    Industries
    Notable Project

    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

  • 18
    Undisclosed
    50 - 249 Employees
    Berlin Germany

    ProductDock is a custom software development company launched in 2010. Their midsize team is based in Berlin, Germany. Their services include custom software development, web development, and enterprise app modernization.

    Industries
    Notable Project

    An IT service hired ProductDoc to provide custom software development. They created a digital dashboard and a KPI board to streamline the employee's processes and keep track of their work, among other features.

    "They do a good job, and I'm satisfied with their work."

  • 19
    $25,000+
    10 - 49 Employees
    Berlin Germany

    Jungsoft is a software consulting and development company based in Berlin with an office in Florianópolis, Brazil. The company, founded in 2019, has a team of more than ten that provides web development, mobile app development, IoT development, enterprise app modernization, and other application development services. Jungsoft serves small and larger-sized companies in various industries that include financial services, e-commerce, and business services.

    Clients
    Rolls-Royce
    Industries
    Notable Project

    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

  • 20
    $5,000+
    10 - 49 Employees
    Berlin Germany

    jut-so is a digital agency collective based in Berlin, with a team of fewer than 50 professionals. Founded in 2018, the company offers their services in web development, branding, and design for clients ranging from small businesses to large firms, with experience working in industries such as advertising, business services, and consumer products.

    Industries
    Notable Project

    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

  • 21
    $5,000+
    10 - 49 Employees
    Berlin Germany

    Imagine Heroes is a digital product agency founded in 2019 with over 9 employees. They provide custom software development, web development, and UX/UI design solutions from their office in Wroclaw, Poland. They work with clients ranging from small firms to large companies.

    Clients
    BA Academy
    GM Factory
    EAG Investments
    Top-Wheelbarrow
    Industries
    Notable Project

    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

  • 22
    $1,000+
    2 - 9 Employees
    Potsdam Germany

    DITS Potsdam Service UG is a web development firm. They specialize in web development and were launched in 2019. Their small team is Potsdam, Germany-based.

    Notable Project

    DITS Potsdam Service UG handles web development efforts for a nonprofit organization. The team is tasked with customizing a WordPress-based listing website based on the client's needs.

    "I could not have been more pleased with this collaboration."

  • 23
    $10,000+
    2 - 9 Employees
    Berlin Germany

    Founded in 2018, Makers' Den is a development firm based in Berlin. They have a small team of about six people, and they primarily work with small and medium-sized businesses. 

    Clients
    OLX
    Klarna
    FRI:DAY
    Industries
    Notable Project

    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 

  • 24
    $10,000+
    10 - 49 Employees
    Berlin Germany

    Konig Labs is a software development provider founded in 2015 and located in Kaliningrad, Russia. With an additional office in Berlin, Germany, their team of approximately 15 employees specializes in custom software. They also provide web and mobile app development in addition to managed IT services.

    Clients
    Lepton Media
    Crowd Heroes
    Securando
    Luxms
    Notable Project

    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

  • 25
    $10,000+
    10 - 49 Employees
    Berlin Germany

    control.alt.coop is a software development collective based in Berlin. The cooperative, founded in 2018, has a team of less than ten that provides mobile app development, web development, custom software development, e-commerce development, and enterprise app modernization services. control.alt.coop serves small and midmarket companies and institutions in the consumer products & services, education, media, nonprofit, and transportation industries.

    Clients
    Mimi Hearing Technologies GmbH
    Vilua Healthcare GmbH
    TAZ Verlags- und Vertriebs GmbH
    Innovationszentrum für Mobilität
    Industries
    Notable Project

    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

  • 26
    $5,000+
    10 - 49 Employees
    Berlin Germany

    MVP Factory is a software development company based in Berlin, Germany, that was established in 2017. Their team of 29 employees provides web development, custom software development, and mobile app development services.

    Clients
    Merck - https://www.merckgroup.com/en
    Verimi - https://verimi.de/en/
    LabTech - http://www.lab-tech.com/
    Notable Project

    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

  • 27
    $1,000+
    10 - 49 Employees
    Berlin Germany

    Valmax Digital is a digital agency based in Odesa, Ukraine. The agency, founded in 2019, has a team of less than ten that provides web design, UX/UI design, web development, e-commerce development, SEO, and logo services. Valmax Digital serves small and larger-sized companies in the business services, legal, e-commerce, financial services, media, real estate, and transportation industries.

    Industries
    Notable Project

    An online marketing agency hired Valmax Digital to redesign some of their blockchain websites on many occasions. Valmax completed these projects on time and their work met all of the agency's expectations.

    "Valmax provided speedy solution that did not come at a high cost or a cheap quality output. Very nice work and always on time." - President, Online Marketing Agency

  • 28
    $5,000+
    10 - 49 Employees
    Berlin Germany

    Founded in 2018, agileful is a development company based in Berlin. They provide web development, mobile app development, and artificial intelligence services to small businesses, and some midmarket clients. Their artificial intelligence work focuses on machine learning and natural language processing. 

    Clients
    ClubCollect
    24metrics
    Jahan Info
    Fleet Spark
    Industries
    Notable Project

    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

  • 29
    $100,000+
    50 - 249 Employees
    Berlin Germany

    YND is a software development company that was founded in 2015. They are headquartered in Berlin with offices in Warszawa, Poland and Wrocław, Poland. They are made up of 58 employees and specialize in mobile app development, product design, and AI.

    Clients
    Audi
    BurgerKing
    Kayak
    Volkswagen
    Industries
    Notable Project

    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

  • 30
    $10,000+
    10 - 49 Employees
    Berlin Germany

    DigitalKwarts OÜ is a development company based in Tallinn, Estonia founded in 2017. Their team of 3 experts offers web development, e-commerce development, and web design services for small and midmarket firms. They are familiar with WordPress, React Native, NodeJS, and other frameworks, and code using JavaScript, AJAX, and Python, among other languages.

    Industries
    Notable Project

    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

Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT