Looking for a top JavaScript developer in Buenos Aires?

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 Buenos Aires. 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 Buenos Aires JavaScript Developers

  • 1
    $50,000+
    50 - 249 Employees
    Buenos Aires Argentina

    Rootstrap is a software development firm based in Los Angeles with offices in New York; Montevideo, Uruguay; and Buenos Aires, Argentina. Established in 2011, Rootstrap has over 70 employees with experience with both consumer digital products and business applications. Their services include mobile development for Android and iOS, web app development, UI/UX design, custom software, and AR/VR development.

    Clients
    Tony Robbins
    Style MD
    Epson
    Spotify
    Industries
    Notable Project

    Rootstrap provided business strategy consulting and software development services for a music startup in the US. The client wanted to build a digital platform to connect local musicians. Rootstrap's team outlined an MVP process and monetizing strategy. Since the prototype was introduced, the client has received considerable funding from outside sources, as well as positive feedback from professional musicians.

    "Their work looks good and we’ve learned a lot. They’ve been great to work with." – Founder, Music Startup

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  • 2
    Undisclosed
    250 - 999 Employees
    Paraná Argentina

    Velocity Partners is a software development agency based in Seattle, with offices in Capital Federal, Argentina, Montevideo, Uruguay, and Medellin, Colombia. Since 2000, their team of around 400 employees has been specializing in web, custom software, and e-commerce development for mid-market and enterprise clients. They're known to partner with clients in a variety of industries including financial services, IT, and healthcare.  

    Clients
    MTV
    Amazon
    Comcast
    Bloomberg
    Industries
    Notable Project

    Velocity Partners put together several versions of a website for an entertainment company targeting kids and families. They also set out to improve coding and transition the site to Amazon Web Services. The client saw an increase in web traffic as a result of the partnership. 

    "They’ve helped us increase our traffic by improving the site’s loading time. Also, the automation that they utilized in the coding process helped us save a lot of money and time when building new components." —Project Manager, Entertainment Company

  • 3
    $25,000+
    250 - 999 Employees
    Buenos Aires Argentina

    Altoros is a software development company in Minsk, Belarus. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

    Clients
    Sony
    Allstate
    Toyota
    WMG
    Industries
    Notable Project

    Altoros worked on blockchain development for an insurance platform. Altoros developed multiple software projects for the client including a monitoring interface and a custom front end. Altoros also connected the client to Smart Contract and built a cloud-based monitoring network on the software. 

    "They [Altoros] have very high-class project management. All team members are skilled from a technical, organizational, and logistical standpoint. They perform very well." - CEO, Insurance Platform 

  • 4
    $25,000+
    10 - 49 Employees
    La Plata Argentina

    NaNLABS is a digital agency based in La Plata, Argentina with another office in Neuquén. Established in 2013, the company consists of around 25 employees who specialize in custom software development, mobile app development, and UX/UI design.

    Clients
    Symantec
    Flight Club
    WootCloud
    Lamden
    Industries
    Notable Project

    NaNLABS developed an iOS and Android app for a breast cancer foundation. The app operates in six languages and shows users how to perform their own examinations. It also features automatic push notifications as reminders. The client boasts a user base of over 50,000.

    "They were really fast and really easy to work with, and were great communicators throughout." — Founder, Breast Cancer Foundation

  • 5
    $50,000+
    50 - 249 Employees
    Buenos Aires Argentina

    United Virtualities is a tech consultancy in New York; Buenos Aires, Argentina; Guadalajara, Mexico; and Barcelona, Spain. Founded in 2009, they have about 121 employees that serve clients in the consumer products, financial services, and healthcare industries. Services include IT strategy, web development, and big data consulting.

    Clients
    Converse
    Godiva
    National Geographic
    Samsung
    Industries
    Notable Project

    United Virtualities provided web development services for a virtual education platform. Their team built a website that presents and archives webcasts. The platform has received positive feedback for its look and functionality.

    “The expertise they provided to build a very technically challenging website was remarkable.” – President & Owner, Virtual Education Website

  • 6
    $10,000+
    50 - 249 Employees
    Buenos Aires Argentina

    Based in Fort Lauderdale , Florida; Buenos Aires, Argentina; Cochabamba, Bolivia and Nuevo Cuscatlan, El Salvador, WillDom is a web development firm. The midsize team specializes in web development, IT staff augmentation, mobile app development, and Artificial Intelligence. The agency was launched in 2010.

    Industries
    Notable Project

    WillDom provides staff augmentation for a software development company. They work together with the client’s teams to build custom software products. They’ve also helped develop apps for iOS and Android. 

    “WillDom provides a really valuable service.”

  • 7
    $1,000+
    10 - 49 Employees
    AUK Argentina
    Folka Media is a web development firm located in AUK, Argentina. The small firm was founded in 2010. Their services include web development and web design.
    Industries
    Notable Project

    A Travel Booking Platform hired Folka Media to provide web and app development services. These ongoing efforts include website redesigning, mobile app building, and other media platforms update and development.

    "They show outstanding commitment."

  • 8
    $5,000+
    10 - 49 Employees
    Buenos Aires Argentina

    devartis is a software company based in Buenos Aires, Argentina, that was established in 2010. Their team of 26 employees offers web development, custom software development, and e-commerce development.  

    Clients
    keepcon
    Moni
    Unicef
    Panarea Digital
    Notable Project

    devartis built a website for a writing workshop to highlight their programs. Their team developed their front- and backend using Django, Python, and JavaScript. he website connects writers with other writers. Their high-quality work set them up for future engagement.

    "The team at devartis is very approachable, nice, responsive and savvy."–Owner, Writing Workshop 

  • 9
    $5,000+
    2 - 9 Employees
    Olivos Argentina

    White Canvas is a web agency based in Vicente Lopez, Argentina, and founded in 2015. With fewer than 10 members, they specialize in web development, web design, and UX/UI design for clients ranging from small firms to large businesses.

    Clients
    BADA
    BCR
    Doctorpedia
    Notable Project

    White Canvas developed and designed a website for a B2B lead generation company. White Canvas also optimized the site, improving overall performance and loading times. The company is satisfied with the results.

    “They are highly organized, very skilled (especially at front-end code), and reliable with regards to deadlines.” - CEO, B2B Lead Gen Company

  • 10
    Undisclosed
    10 - 49 Employees
    La Plata Argentina

    Devsar is a web and mobile development company from La Plata, Argentina with a second office in San Francisco. It was founded in 2010. Since then, it has grown to a team of 31 employees. Devsar focuses on web and mobile app development while also providing web design, and cloud consulting & SI. Their client base mostly includes small businesses. 

    Clients
    Feastly
    Hinge
    Moni
    Find Your Trainer
    Industries
    Notable Project

    An educational webinar company needed a platform that could handle their large volume of clients. Using Google App Engine, Devsar came on board as a partner to create a webinar platform that uses live screening. The team now provides ongoing feature builds and support for the client.

    "What impresses me about Devsar is their ability to walk in their client’s shoes, understand the need, and their ability to execute without having to follow through daily or weekly." — Founder, Educational Webinar

  • 11
    $5,000+
    10 - 49 Employees
    BUENOS AIRES Argentina

    Mobile application development company Jedify was launched in 2020. The small BUENOS AIRES, Argentina-based team provides mobile app development, web development, e-commerce development, and custom software development.

    Notable Project

    Jedify created a website for an educational institution. This platform was expected to accommodate B2C and B2B markets.

    "They were agile, nimble and very experienced."

  • 12
    $10,000+
    10 - 49 Employees
    Buenos Aires Argentina

    Amalgama is a software consulting company based in Buenos Aires, Argentina, with a team of about 45 people. They are experts in design, methodology, and software development. Since their start in 2013, they've worked with their clients, helping them boost their businesses, from the conception of their ideas to the development, and validation of their products
     

    Clients
    Coalesce NYC
    Latlong
    Big Five Edition
    Hunny
    Industries
    Notable Project

    Amalgama developed an app for an emotional health streaming platform. The product is compatible with both an iOS and Android version. The client was impressed with their project management and communication.

    "Their team is really collaborative. It’s not like we just give them a roadmap and they build it—they ask questions and are involved in understanding our business." — CEO, Emotional Health Streaming Platform 

  • 13
    $25,000+
    10 - 49 Employees
    Buenos Aires Argentina

    Founded in 2016, Underscope is located in Buenos Aires, Argentina. With a team of 12 employees, they provide mobile app development, web development, and other IT consulting and SI services for enterprise, midmarket, and small businesses.

    Clients
    Disney
    B.Good
    Platzi
    Navent
    Industries
    Notable Project

    Underscope provided development expertise for a fast-casual restaurant. They developed a custom ordering platform with both web and mobile versions. The team trained inhouse teammates in React and they continue to support redesigns and updates. They helped the client's development be more efficient and trained on React.

    "They’ve helped us become more efficient in terms of development and everyone is trained on the React base." –Head of Digital Strategy, Fast-Casual Restaurant

  • 14
    $1,000+
    10 - 49 Employees
    Ciudad Autonoma de Buenos Aires Argentina

    Founded in 2012, Zarego is a technology agency that is headquartered in Buenos Aires, Argentina. The team of 7 specializes in cloud consulting, IT staff augmentation, and IT strategy consulting. 

    Clients
    Disney Cliptastico 3
    Cavity
    Backed
    Pictery
    Industries
    Notable Project

    Zarego partnered with a media company to elevate their new captcha product for its launch. They provided the client with useful features and integrated a way for consumers to interact with the ads more efficiently. The client had a 100% uptime to 10 million consumers.

    “Zarego did an excellent job. We were very happy with them and we still meet with their team every now and then. We started working with them in 2013 and we’re still looking for new projects to do with them five years later, which speaks for itself.” – CEO, Media Company

  • 15
    $10,000+
    50 - 249 Employees
    CMK Argentina

    Simplex Software is a boutique nearshore software development firm based in Buenos Aires, Argentina, with an office in Junin, Argentina. The firm, founded in 2011, has more than 50 employees and provides, among others, IT staff augmentation, custom software development, and IT strategy consulting to small and midmarket companies in various industries that include consumer product & sevices, retail, and e-commerce industries. 

    Clients
    Grindr
    Appetize
    Sense 360
    Curtain
    Industries
    Notable Project

    A fashion retail brand tasked Simplex Software to augment their data engineering team with one full-time engineer who will work on both business facing data pipelines and enhancements to the brand's data infrastructure. With the additional engineer, the brans was able to set up a new pipeline orchestration platform using Airflow and Kubernetes, deploy a new batch event service to power automated personalized emails, establish pipelines integrated with 3rd party advertising platforms, and develop an alerting system around Airflow and Pagerduty. 

    "The team member seamlessly plugged into our Slack, JIRA, and Pagerduty for bi-weekly sprint commitments, but was also very self-sufficient in managing bugs and making improvements." -  Director of Data Science & Analytics, Fashion Retail Brand

  • 16
    $50,000+
    50 - 249 Employees
    AAQ Argentina

    10Pines is a custom software development firm based in Buenos Aires, Argentina. Founded in 2009, their team of 70 serves clients in the e-commerce, finance, and retail sectors. Services include iOS/Android, Ruby on Rails, ReactJS, and JavaScript development.

    Clients
    Teespring
    Starbucks
    Burger King
    Hoopla
    Industries
    Notable Project

    10Pines provided outsourced development services for a software company. The team worked in Ruby on Rails. The team did an exceptional job of delivering on time.

    “The vast majority of the engineers that I’ve engaged over the last four years have had good communication skills.” – Director of Engineering, Software Company

  • 17
    $50,000+
    50 - 249 Employees
    Buenos Aires Argentina

    BEON Tech Studio is a web development company in Buenos Aires, Argentina. Founded in 2011, they have about 25 employees that serve mostly midmarket and small-business clients in the business, consumer products, and IT sectors. Their services are specialized in web development.

    Clients
    Patriot LIst
    Educasic
    CandyClub
    Industries
    Notable Project

    BEON Tech Studio provided staff augmentation services for a software development agency. Their team placed a React Native developer and mobile engineer to work with the client’s team. The internal staff is impressed with the augmented staff member’s work.

    “They went out of their way to make sure they were the right resource for us.” – Founder, Software Development Agency

  • 18
    $5,000+
    10 - 49 Employees
    La Plata Argentina

    Founded in 2013, SINAPTIA is a digital solutions firm. Their team of around 30 employees is based in La Plata, Argentina. They focus on web development and design and IT staff augmentation.

    Clients
    OmniAlly
    David Kind/Optify
    Cowgirl Creamery
    Alliants
    Industries
    Notable Project

    SINAPTIA provided site maintenance for a prescription eyewear company. The team implemented new features and migrated the site to AWS hosting.

    "Their team is very reactive, even with our four-hour time difference. If an issue pops up during off-hours, they still make sure to jump on it." – CEO, Prescription Eyewear Company

  • 19
    Undisclosed
    2 - 9 Employees
    Buenos Aires Argentina

    InAllMedia is a design and software development company headquartered in Seattle with locations in London and Buenos Aires, Argentina. Founded in 2013, they've grown to a team of 46 that provides web development, mobile app development, and custom software development services, among others. 

    Clients
    GlobalLogic
    SmartWeb
    Leo Burnett
    Notable Project

    A product development firm needed to supplement their development staff. InAllMedia helped develop the product using .NET and Java, in addition to designing its UI and UX. 

    "They have a very good background on different technologies and great experience on top-notch clients. It's been a good experience so far." —Delivery Head, Product Development Firm

  • 20
    $50,000+
    10 - 49 Employees
    Buenos Aires Argentina

    Kelsus has been providing clients with software engineering teams to small businesses in the education, business services, and consumer product service industries since 2008. With a team of 50 in offices around the Colorado, Buenos Aires, Duvall, and Argentina areas, they help clients publish content, social strategy, and software development.

    Clients
    Sphero
    Equifax
    Zoopix
    DigitalTown
    Industries
    Notable Project

    Kelsus partnered with pet-owner social media company to design, create the application, and build an algorithm for a weekly competition to feature owners pets. The results were 20,000 users and over 30,000 pets on the platform with Kelsus app development.

    “I can’t say enough positive things about them. Rather than just building whatever we ask of them, Kelsus has been very helpful about leading us through the development process. As a self-funded startup, we don’t always know what we’re building, so they advise us on the most efficient ways to proceed.” – Co-Founder & CEO, ZooPix

  • 21
    $5,000+
    250 - 999 Employees
    Buenos Aires Argentina

    Hexacta was founded in 1999 and is headquartered in Buenos Aires, Argentina. They have 5 other locations throughout Argentina, a location in each Brazil, United States, and Uruguay. With 548 employees, they provide custom software development, mobile app development, and web development services for midmarket, enterprise, and small businesses.

    Clients
    CreditOne
    Citibank
    Microsoft
    Disney
    Industries
    Notable Project

    Hexacta designed and developed an integrated development environment and debugging platform for a SaaS company. They also worked on UI prototypes. Their work has had a massive impact and of great quality.

    "They’ve had a tremendous impact." –CEO, SaaS Company

  • 22
    $5,000+
    2 - 9 Employees
    BVB Argentina

    Bracketmedia is a web development and design firm based in Buenos Aires, Argentina. Founded in 2004, their team of 7 serves clients in the marketing and advertising sectors. Services include WordPress development.

    Notable Project

    Bracketmedia provides web development services for a web design and development firm. They work in WordPress and create sites for third part clients. The team is responsive and reliable.

    “They feel like a partner that fits in well with my team.” – CEO, Digital Agency

  • 23
    $1,000+
    10 - 49 Employees
    Buenos Aires Argentina

    Smallcode is a software company based in Buenos Aires, Argentina with a team of over 10 members. SInce 2015, they have offered their services in custom software, web, and mobile app development to clients, with their specialty in mobile apps being those for e-commerce, finances, and health.

    Clients
    Pago24
    Almundo
    Teléfonica
    Notable Project

    Smallcode developed a website for a kid’s products e-commerce store. The store needed a WordPress website for their business, and required the site to appeal to the target market. The project has only recently started, but sales are already starting to occur.

    “I’m most impressed by their communication — they were always available.” - Owner, E-commerce Store

  • 24
    Undisclosed
    10 - 49 Employees
    Buenos Aires Argentina

    Founded in 2017, Codea IT has a team of 50 professionals in Argentina that work with clients in the tech, food, and IT industries. Codea specializes in web development, custom software development, IT strategy consulting, and web design.

    Clients
    Coca-Cola
    Microsoft
    Percona
    Possible
    Industries
    Notable Project

    An airline partnered with Codea IT to develop a web application to help the backend team manage airline ticket prices.  They provided them with the tools the company needed to maintain success of their new business. 

    “They weren’t deeply familiar with our vision and the type of technology we were working with, so there was a bit of a learning curve. With that said, they were committed to bettering their knowledge. With hard work and dedication, Codea IT delivered on time and according to our expectations. We continue to work with them on other development projects.” – Technical Lead, Airline Ticket Company

  • 25
    $1,000+
    2 - 9 Employees
    BAC Argentina

    Tec Solutions Network is a development agency based in Buenos Aires, Argentina. Founded in 2009, their l team of fewer than 10 works with a variety of companies. They specialize in web development, custom software development, and enterprise app modernization.  

    Clients
    Fox Sports
    Google
    LingCom
    Samsung
    Notable Project

    Tec Solutions Network developed the internal management system for a digital marketing firm. The agency was able to match their business and culture. The client prides Tec Solutions Network on their communication.

    "They are knowledgeable about business, not only the technical side." — CEO, Digital Marketing Agency 

  • 26
    $10,000+
    10 - 49 Employees
    Capital Federal Argentina

    Litebox is a design and development agency founded in 2013 with over 10 employees. Based in Capital Federal, Argentina, they specialize in UX/UI design, custom software development, and web development for clients ranging from small firms to large businesses.

    Clients
    Molo
    Nubi
    AON
    Notable Project

    Litebox worked on various projects with a digital design agency. The projects involved various languages such as HTML, Vercel, and JavaScript. The agency is able to better meet the needs of their clients with Litebox’s help.

    “Their team stays updated on the latest technologies, working to improve their services.” - CEO & Founder, Digital Design Agency

  • 27
    $10,000+
    10 - 49 Employees
    Buenos Aires Argentina

    Workflow Development SA is a development house that consists of under 50 employees based in Buenos Aires, Argentina. Since 1997, the team has offered mobile, web, and custom software development services primarily to enterprise-level companies. Their clientele work in business services, consumer products and services, and manufacturing.

    Clients
    ABB
    Amcor
    Unilever
    Danone
    Industries
    Notable Project

    Workflow Development SA handled an app migration project for a security firm. The team moved about 15 apps from Lotus Notes to a .NET-based module. This project was critical because it allowed the firm to handle various business processes such as logistics and purchase management.

    "All of these applications document many of the company's administrative processes, making them very important." – IT Analyst, Security Firm

  • 28
    $5,000+
    10 - 49 Employees
    AAT Argentina

    Custom software development firm MAGNETICO is based in AAT, Argentina and Madrid, Spain. The firm provides custom software development, web development, mobile app development, and Artificial Intelligence and is small.The firm was founded in 2010.

    Industries
    Notable Project

    MAGNETICO provides custom software development services for an online variety store. They are working on the client's POS and integration systems using Java, React, PHP, and NodeJS.

    "When problems arise, we are alerted as soon as possible."

  • 29
    $1,000+
    50 - 249 Employees
    Autonomus City of Buenos Aires Argentina

    Founded in 2014, GeekGauchos is an IT staff augmentation firm based in Buenos Aires. They have over 50 employees that specialize in custom software, website, e-commerce, and mobile app development. They primarily work with small businesses. 

    Clients
    Mobomo
    Peak Activity
    StartUp Buenos Aires
    Vianadas Naturales
    Industries
    Notable Project

    GeekGauchos worked with a digital agency to support their e-commerce development needs. They worked on client projects and delivered cost-effective solutions. 

    "They supported our staff and were cost-effective." – CFO, Digital Agency

     

  • 30
    $10,000+
    10 - 49 Employees
    Tolosa Argentina

    Julasoft is a development company based in La Plata, Argentina. They have a team of around 10 employees and were founded in 2011. Their services include blockchain and mobile app development for mainly enterprise and midmarket clients. 

    Clients
    Novomet
    H&T Presspart
    Gobierno de la Nación Argentina
    Municipalidad de Florencio Varela
    Industries
    Notable Project

    Julasoft works on several projects for a consulting company requiring development services. They developed a mobile pre-sales platform and other platforms. The deliverables have functioned as expected and help the client continue to grow. 

    "Their communication and timely deliveries are most impressive." – Partner & General Manager, Consulting Company

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