Looking for a top JavaScript developer in Portland?

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 Portland. 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 Portland JavaScript Developers

  • 1
    $25,000+
    250 - 999 Employees
    Lake Oswego OR

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

    Clients
    Vesta
    Harvard Business Publishing
    Foundation Medicine
    Edwards Lifesciences
    Industries
    Notable Project

    A caller ID company hired Unosquare, LLC to provide software engineering and QA resources. Assisting on various projects, Unosquare provided daily support in all aspects of application development.

    "I have been most impressed with the caliber of the technical resources provided by Unosquare." – Senior Director Software Engineering, Caller ID Company

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  • 2
    $50,000+
    10 - 49 Employees
    Portland OR

    Solid Digital is a web design, development, and marketing company with offices in Portland, Ore. and Chicago. With about 30 team members, the agency has expertise in web design, branding, and custom development.

    Clients
    Hilton
    Embassy Suites
    Best Buy
    Priceline
    Industries
    Notable Project

    Solid Digital developed a website for an exclusive online networking site. They combined three separate properties into one community. They also aided with SEO.

    “They offer exceptional flexibility, accessibility, and expertise. They took the time to understand our vision and were open-minded. They understood that they didn’t know my audience like I did.” – Executive Director, Online Networking Site

  • 3
    $50,000+
    10 - 49 Employees
    Portland OR

    From Portland, OR, Planet Argon was founded in 2002. Although they focus on web development, the team of 16 also excels in e-commerce and custom software development, design, analytics, and strategy.

    Clients
    Disney
    Nike
    American Express
    Intel
    Industries
    Notable Project

    Planet Argon was hired by a snack box subscription company to revamp its website. They ended up redesigning and building the website and added features that facilitated the company’s recurring billing and subscription structure. The client felt engaged and supported by Planet Argon.

    “Compared to other vendors we’ve worked with, they are much more involved. They had an actual interest in what we were doing.” – CFO, Snack Subscription Company

  • 4
    $25,000+
    10 - 49 Employees
    Portland OR

    Cast Iron Coding is a web design and development company founded in 2004 and headquartered in Portland, Ore. They have a team of approximately 10 individuals who provide e-commerce development services too. They primarily offer services to midmarket firms and small businesses operating in the business services, education, and arts, entertainment, and music industries.

    Clients
    MOCA
    Alfred P. Sloan Foundation
    Palm Springs Art Museum
    Dana-Farber/Harvard Cancer Center
    Industries
    Notable Project

    Cast Iron Coding designed and developed an app to increase digital engagement capabilities for a sustainability nonprofit. They built the product from the ground up using Ruby on Rails. The app increased the size of the user base from 4,000 to 55,000. 

    “Their ability to grasp the real essence of our work stood out.” – Former Executive Director, Sustainability Nonprofit

  • 5
    $50,000+
    10 - 49 Employees
    Portland OR

    Arck Interactive is a boutique web development agency that is based in Portland, Ore. Founded in 2008, Arck Interactive's team of 5 employees has a decade of experience specializing in web development, mobile app development, and web design services to its clients. 

    Clients
    The World Bank
    Botworx
    DailyClout
    Nurses Lounge
    Notable Project

    A peer network provider hired Arck Interactive to help develop web and mobile applications to facilitate interactions between members of its network. The team at Arck Interactive developed a web application and mobile application that served as toolsets to connect the network's users.  The client was impressed with Arck Interactive's research skills and ability to handle feedback. 

    "They're responsive to feedback in whatever form we provide. Arck Interactive has helped us scope the nature of our projects, and supplied the resources that could accomplish that." – Community Technologist, Peer Network Provider 

  • 6
    $25,000+
    10 - 49 Employees
    Portland OR

    Daylight Studio is a full-service interactive and design agency based in Portland, Ore. Daylight Studio was founded in 2002, and its team of nearly 30 specializes in web development, SEO, UX/UI design, email marketing, and digital strategy.

    Clients
    Argyle Winery
    Coeur d'Alene Resort
    Springbrook
    Cycle30
    Notable Project

    A municipal tourism agency wanted to overhaul its website to attract more travelers. Daylight Studio built the frontend and backend for a new WordPress site and integrated data syncing functionality from the state tourism site.

     

  • 7
    $10,000+
    10 - 49 Employees
    Vancouver WA

    Gravitate Design is a digital agency based in Vancouver, Wash. and founded in 1999. The team of about 10 employees specializes in web design and development, but also offers search engine optimization and content marketing.

    Clients
    Visit Seattle
    Element Cycles
    Campus Living Villages
    SKYHIGH
    Industries
    Notable Project

    Gravitate Design worked with a campus living community on a digital rebranding project. The agency created an image-rich website redesign with easy-to-use search features. The living community's website needed detailed mapping functionality, which Gravitate Design also made.

     

  • 8
    $25,000+
    10 - 49 Employees
    Portland OR

    Culture Foundry is a web agency founded in Seattle in 2010 with more than 10 employees. They specialize in digital strategy, web design, and web development solutions for small and mid-market firms in the fields of arts, IT, and financial services.

    Clients
    24 Hour Fitness
    Audinate
    Ballet Austin
    Industries
    Notable Project

    Culture Foundry developed a website for a tech community and events group. The website was built with WordPress and was also optimized for SEO support. The group sees more and more traffic to the site each month.

    “Anytime issues came up, they were immediately responded to.” - Founder & CEO, Tech Community and Events Group

  • 9
    $25,000+
    10 - 49 Employees
    Lake Oswego OR

    With over 14 years of experience, SingleMind is an award-winning design and development agency in Oregon. The team of around 20 offers mobile and web app development, user experience (UX) design, systems engineering, and other development specializations: IoT, e-commerce, and custom software. 

    Clients
    Portland State University
    Intel
    Kaiser Permanente
    OTTO
    Industries
    Notable Project

    SingleMind developed a web app for a smart data company that emphasizes graphical displays and enables two core functions. The product is unique in the enterprise software space, and the client was impressed in their project management and development skills. 

    “SingleMind has a good understanding of the whole process from ideation to implementation and beyond. They’re able to take our ideas and turn them into functioning code. ” – CEO, Smart Data Company

  • 10
    $10,000+
    10 - 49 Employees
    McMinnville OR

    Buildable Custom Software is a software development firm founded in 2008. Located in McMinnville, Ore., their team of 9 employees specialize in custom software development, UX/UI design, and web design. They work with small and midmarket businesses within the transportation, education, and health care industries.
     

    Clients
    McMinnville Economic Development Partnership
    Vows Magazine
    Monje Exports
    Industries
    Notable Project

    Buildable Custom Software developed a website for an insurance platform. They worked on both the frontend and backend of the site to ensure full functionality. They also installed a new billing system for the client, making sure to adhere to industry standards. They delivered the completed project on-budget to the client.

    “They’ve managed the sprints well and have made sound recommendations for how to proceed from one sprint to the next.” – Benefits Operations Manager, Insurance Platform
     

  • 11
    $50,000+
    10 - 49 Employees
    Portland OR

    Twenty Ideas is a development company in Eugene and Portland, Ore. Founded in 2014, they have about 21 employees that serve mostly midmarket and small-business clients in the education, healthcare, and arts industries. Services include custom software development, UI/UX design, and web development.

    Clients
    XPRIZE Foundation
    University of Oregon
    Avant Assessment
    Industries
    Notable Project

    Twenty Ideas provided custom software development services for a language assessment company. Their team unified 14 years of development into a single code base and handled networking support and maintenance. The partner's systems have a 99% uptime rate.

    "That’s the magic of Twenty Ideas — their ability to hear and respond to clients in a way that’s unique and powerful." –VP of Products & Technology, Language Assessment Co

  • 12
    $10,000+
    2 - 9 Employees
    Portland OR

    Feral Studio is a web design and development agency in San Francisco. Founded in 2015, they have 2 employees that serve small-business and midmarket clients in the gaming, business, and financial industries. Services include branding, web design, and custom software development.

    Clients
    Adidas
    JDS Labs
    Connected Insight
    USAHello
    Industries
    Notable Project

    Feral Studio developed a website for an audio studio. Their team built new features and functionalities while handling UX and mobile responsive designs. The new platform has acquired clients for the partner.

    “We were most impressed with their dedication and hard work.” – Producer, Audio Studio

  • 13
    $5,000+
    10 - 49 Employees
    Portland OR

    Fountain City, Inc. is a Raleigh, N.C.-based full-service digital agency that was founded in 1998. Its team of 16 employees offers web design and development, e-commerce development, SEO, and marketing strategy services for mainly small-business clients.

    Clients
    Nike
    Heineken
    T-Mobile
    Intuit
    Industries
    Notable Project

    A video production company hired Fountain City, Inc. to develop and launch a new WordPress website. The client has now worked with Fountain City, Inc. for more than 10 years and has seen its Google rankings increase as a result of Fountain City's work.

    "They’re always trying to find out what I want to do and work from there, as opposed to telling me what I need to do or not to. Fountain City doesn't try to take over." - President, Video Production Company

  • 14
    $10,000+
    10 - 49 Employees
    Beaverton OR

    Software Technology Group is a Portland, Oregon-based software development firm with about 15 employees. The firm—established in 1992—specializes in IoT development, custom software development, and mobile app development.

    Clients
    Employer Solutions
    HP
    Intel
    Boeing
    Notable Project

    Software Technology Group developed golf fitting software for a golf company during a two-year engagement. The firm also created instructional software and a web portal that helped implement a player profile program. The company has grown by 700% as a result of their partnership. 

    "Software Technology Group is one of the best firms I have ever had the good fortune to work with." —General Manager, Golf Company 

  • 15
    $50,000+
    10 - 49 Employees
    Vancouver WA

    A development company founded in 2005, Infinite Red, Inc. is based in Vancouver, Wash. Their team of fewer than 50 works in additional offices in San Rafael, Calif., servicing small to midmarket businesses. They offer web and mobile app development as well as web and UX/UI design services.

    Clients
    Microsoft
    Amazon
    SquareSpace
    BlueJeans
    Notable Project

    Infinite Red, Inc. developed a mobile app for an events company. The app is compatible with iOS and included several functionalities, including messaging and payment. The team’s deliverables have been largely successful and impressive to internal stakeholders.

    “I’ve been tracking the activity on the builds that they’ve delivered for me and have been pretty satisfied with the quality of work and the engagement we’re getting as a result of it.” — Founder, Events Platform

  • 16
    $5,000+
    10 - 49 Employees
    Portland OR

    Based in Beaverton, OR, Sembit is a full-service digital agency that specializes in web development, custom software development, e-commerce development, and mobile app development. Founded in 2009, Sembit has about 12 members on staff. 

    Clients
    USCB
    Kashi Labs
    Industries
    Notable Project

    A health plan provider hired Sembit to create a workflow system for internal use. They were hired to improve the ease and functionality of the system. The new system has made work extremely easier for the health provider. The client prides Sembit on their responsiveness and positive demeanor. 

    "The guys at Sembit are amazing. They work and understand challenges quickly, their style is very collaborative, and they’re willing to offer up best practices."- Senior Sales Administration Manager, Health Plan Company

  • 17
    Undisclosed
    2 - 9 Employees
    Portland OR

    Eclipse + DDG is a web design and development agency founded in 2000 and located in Portland, Ore. The team of about 10 specializes in web design and development, but also offers other services, like mobile app development and UX/UI design. Many of Eclipse + DDG's clients are small businesses.

    Clients
    Affiliated Media
    Concordia University
    Mobility Public Relations
    The Classen Team
    Industries
    Notable Project

    Eclipse + DDG built a web application for a PR agency. The team at Eclipse + DDG created content and layout as well as specialized features. The app has received great reviews.

    "Our employees really appreciate the upgrade. It was a dramatic change. Both my staff as well as the people we’re serving with the portal are very pleased."- CEO, PR Agency

  • 18
    $5,000+
    2 - 9 Employees
    Portland OR

    Olio Apps is a development agency based in Portland, Ore., and founded in 2012. Their team of more than two provides custom software, web, and mobile app development solutions for clients that range from small startups to large enterprises.

    Clients
    The Data Guild
    Cardsmith.co
    Notable Project

    Olio Apps provided staff augmentation services for a gaming software company. While the company had an in-house team, Olio Apps was tasked with other projects to quicken the pace. The company is satisfied with the quality that Olio Apps puts into their work.

    “They fill in the need when we’re swamped and need something to happen quickly.” - COO, Gaming Software Company

  • 19
    $5,000+
    2 - 9 Employees
    Beaverton OR

    Data Driven Design, Inc. is an engineering company located in Beaverton, Ore. Founded in 2011, they continue to provide web development, web design, and e-commerce development services. They have a team of about 3 that builds solutions centered around their primarily small business clients' organizational challenges.

    Clients
    NocTel Communications
    Demandlink
    EC3
    McKibbon Home
    Industries
    Notable Project

    Data Driven Design, Inc. redesigned and redeveloped a website to target consumers for a CBD company. In addition to identifying target demographics, they designed marketing collateral and directed marketing campaigns. Data Driven Design, Inc. delivered a satisfying website and improved site rankings.

    "Their team offers a different level of professionalism from their competitors." — Operations Manager, CBD Company

  • 20
    $5,000+
    2 - 9 Employees
    Portland OR

    Located in Portland, Ore., Chromaplex is a small web development firm with about eight employees. The agency specializes in emerging technology, custom web and mobile app development, and content management system (CMS)- driven web pages.

    Clients
    MusicRogue
    Mindjet
    SET Media
    Marina Bay Realty
    Industries
    Notable Project

    Chromaplex created a custom WordPress website for a digital marketing agency’s client. The marketing agency approached Chromaplex because they needed development expertise to finish a project for an e-commerce company. The WordPress site needed to showcase more than 700 products.

    “One of my favorite things about Chromaplex is the fact that they are super communicative from the get-go. Communication and keeping clients updated are often lost on many other development agencies.” – Owner, Marketing Agency With E-Commerce Client

  • 21
    $5,000+
    2 - 9 Employees
    Portland OR

    Digital agency Iris Creative Co. is located in Portland, Ore. With fewer than 10 employees, the team focuses on clients in business and consumer product industries. The agency specializes in web design and development, digital strategy, and email marketing.

    Clients
    Grinbaum Orthodontics
    Westcon-Comstor
    French Lilac Co.
    SugarStreet Bakery & Bistro
    Industries
    Notable Project

    Iris Creative Co. helped a small law firm with website development and branding. Iris Creative built a more modernized website, designed a new logo and provided an efficient branding plan. The client has received a ton of positive feedback regarding the site's functionality and design, and they were impressed with Iris Creative's organization. 

    "[Iris Creative Co.] were very closely involved. It was not anything where we were left to fend for ourselves."- President, Law Firm

  • 22
    $10,000+
    2 - 9 Employees
    St. Helens OR

    Software Harmonics, LLC is a software company based in St. Helens, Ore. with more than two members. They have provided custom software and web development solutions since their founding in 2020. They work with small and mid-market companies.

    Clients
    NewGen Vineyard Services
    Industries
    Notable Project

    Software Harmonics, LLC developed a software solution for a vineyard management company. The solution allowed the company to track budget performance on different client projects. The company is happy with the software solution.

    “They’re personable and easy to work with.” - President, Vineyard Management Company

  • 23
    Undisclosed
    2 - 9 Employees
    Hillsboro OR

    Founded in 2019, NORD Collective is located in Copenhagen, Denmark. With 3 employees, they provide web development, UX/UI design, and web design for enterprise, midmarket, and small businesses.

    Clients
    FFW
    Pfizer
    Notable Project

    NORD Collective provided advice on how to optimize a website for an online marketing agency. They delivered excellent results.

    "Great results - I got what I asked for." –CEO, Online Marketing Agency

  • 24
    $25,000+
    10 - 49 Employees
    Portland OR

    Metal Toad is an AWS consulting partner based in Beverly Hills, Calif., with offices in Portland, Ore. and Pasadena, Calif. The company, founded in 2003, has more than 25 employees who provide, among others, cloud consulting & SI, IT managed services, and custom software development services to the media & entertainment, manufacturing, and automotive industries.

    Clients
    ABC Television
    DC Comics
    Disney
    Intel
    Industries
    Notable Project

    Metal Toad was hired by Thrift Stores Group to develop a Drupal website for both employees and customers. Metal Toad currently manages and updates the platform, fixing issues as they arise.

    "They’re responsive. If there’s an issue, their team fixes it right away." - Web Manager, Thrift Stores Group

  • 25
    $10,000+
    2 - 9 Employees
    Oregon City OR

    IronGlove Studio is a development agency in Oregon City, Ore. Founded in 2017, they have about 9 employees that serve mostly small-business and midmarket clients in the e-commerce, manufacturing, and public sectors. Services include web design, web development, e-commerce development, and web and mobile applications.

    Clients
    Columbia River Knife & Tool
    Oregon Ice Cream
    Cascade Glacier
    Alden's Ice Cream
    Industries
    Notable Project

    IronGlove Studio provided web application and development efforts for a national ice cream manufacturer.  They built the website on WordPress and created custom plugins and custom code to provide an intuitive flavor and dietary filtering system for the company’s online product catalog.  The platform allows the partner to inform customers about their offerings in a fun, interactive way and received positive feedback about its design.

    "They feel like a true partner. They're really invested in the success of our brand. Whenever we're looking at new projects or new optimizations, they're really thinking through and providing strategic advice that's going to set us up for success in the long run. We really feel like they have our best interests at heart.”

  • 26
    $5,000+
    10 - 49 Employees
    Portland OR

    BiTiBe Technologies Pvt Ltd is a software development and digital strategy company based in Indore, India, with offices in Portland, Ore. and in Las Vegas. The company, founded in 2015, has more than 100 employees and provides, among others, custom software development, mobile app development, and web development services to small and midmarket companies and institutions.   

    Clients
    AK International
    Al Huda International School
    Ekta Telecommunications Pvt LTd
    Anok Eduserve
    Industries
    Notable Project

    BiTiBe Technologies Pvt Ltd was hired by a network planning and optimization firm to design a dynamic website, integrate admin panel support, and automate its documentation process. BiTiBe Technologies Pvt Ltd delivered all these and met expectations, providing the firm with increased online credibility.

    "They explore all the drawbacks in your current process and help to improve it."  - Managing Director, Network Planning and Optimization Firm

  • 27
    $5,000+
    2 - 9 Employees
    Sandy OR

    Digital Studio NW, LLC is a digital agency based in Sandy, Ore. with more than two experts. Since their founding in 2014, they have provided e-commerce, web design, and custom software development solutions for both small and mid-market businesses alike.

    Clients
    Sarasota Coins
    Pinnacle Rarities
    Houston Coin and Bullion
    Industries
    Notable Project

    Digital Studio NW, LLC developed an e-commerce platform for a currency dealer. The dealer needed a turnkey inventory control system to help run their business. Digital Studio NW, LLC worked with the dealer throughout the project.

    “Matt really genuinely cares about our success and making sure that his product gives us the highest probability of achieving that success on our own, which we really appreciate.” - Owner, Currency Dealer

  • 28
    $1,000+
    2 - 9 Employees
    Vancouver WA
    Based in Vancouver, Washington, DreamsToLife, LLC is an e-commerce development company. The small company was founded in 2021. Their team focuses on e-commerce development, web development, custom software development, direct marketing, and more.
    Industries
    Notable Project

    DreamsToLife, LLC was tasked with developing a Shopify website from scratch by an e-commerce development company. They were given a deadline to finish the site with a cart, checkout, home, and collection page.

    "The most important thing from them was responsiveness and detail-oriented."

  • 29
    $5,000+
    50 - 249 Employees
    Portland OR
    Citizen, Inc. Is a midsize UX company. Founded in 2005, the agency is based in Portland, Oregon and Redmond, Washington. Their team specializes in ux/ui design, mobile app development, web development, digital strategy, and more.
    Industries
  • 30
    Undisclosed
    50 - 249 Employees
    Portland OR
    K3G Solutions is a midsize e-commerce development company. Founded in 2010, the company is based in Portland, Oregon. Their services include e-commerce development, mobile app development, and web development.
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