Looking for a top JavaScript developer in Sydney?

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 Sydney. 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 Sydney JavaScript Developers

  • 1
    $25,000+
    50 - 249 Employees
    Sydney Australia

    Luminary is a digital marketing agency founded in 1999. Their team of 60+ employees focuses on UX/UI design, web design, and web development. They are headquartered in Melbourne, Australia and have offices in Sydney and Brisbane. They also have an office in Legian, Indonesia. Their clients mainly mid-market businesses in the financial services, consumer products and services, and education industries.

    Clients
    Clipsal by Schneider Electric
    Melbourne Airport
    Melbourne Business School
    Cancer Council Australia
    Industries
    Notable Project

    Luminary built a new website using Kentico. They created the site according to the client's mockups and made it responsive and included images. As a result of the work Luminary put into their project, the client’s conversion rates improved significantly along with the usability of the site.  

    “We’re really happy with their work, and the experience with them was so much better than our experiences with other agencies. I was impressed by their solutions for every problem we gave them, and I don’t have anything negative to say.” – Senior Manager of Digital Engagement, Aid and Development Agency

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  • 2
    $25,000+
    250 - 999 Employees
    Sydney Australia

    Systematix Infotech Pvt. Ltd is a software development company headquartered in Charlotte, N.C., with offices in Singapore and Indore, India. Since 2005, their team of 534 has offered custom software, web, and mobile app development assistance to small firms, midmarket businesses, and enterprises. They have designed apps built for business intelligence, e-commerce, field operations, and for other uses as well.

    Clients
    Addco
    Capitol Commodity Hedging Services
    Crompton Greaves
    DCG Tech Ltd
    Industries
    Notable Project

    Systematix Infotech Pvt. Ltd developed an iOS app for a software company. The app is a portal that displays jobs to users. In particular, Systematix Infotech Pvt. Ltd properly developed the UI and workflow of the app.

    "Their project and time management were excellent. Their progress updates were consistent, and they clarified requirements promptly to avoid overhead and revision. That was important, since the project had a tight deadline." - IT Manager, Software Company

  • 3
    $10,000+
    50 - 249 Employees
    Sydney Australia

    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

  • 4
    $25,000+
    10 - 49 Employees
    Sydney Australia

    Five2One is an award-winning app development company founded in 2017 based in Sydney. They are comprised of a team of fewer than 50 experts, offering custom software, mobile app, and web development services using various frameworks such as VueJS, React Native, and NodeJS. They also have experience in working with languages such as JavaScript, Python, and SQL.

    Clients
    PwC.
    The United Nations.
    AutoTrader - CarsGuide.
    The Govt Of India.
    Notable Project

    Five2One was hired by a renewable energy company to build a blockchain platform solution for the company's various projects. Five2One understood the company's target market and held weekly meetings with the company to more efficiently work on the project. Five2One managed to develop the solution, and the company enjoyed the entire process of developing it.

    "We had near-instant access to every single member of the team who was related to our project. This was very critical to the whole project, as we had only 1 person inhouse which came from a native IT background, even so every team member was able to explain most things to us in everyday language." - Co-Founder & Group VP, Renewable Energy Company

  • 5
    $25,000+
    10 - 49 Employees
    Sydney Australia

    Founded in 1998, The Digital Embassy is headquartered in Adelaide, Australia with other locations in Sydney and Melbourne. With 15 employees, they provide web development, digital strategy, and web design services for enterprise, midmarket, and small businesses. They focus on government, manufacturing, and financial services industries.

    Clients
    ElectricSuper
    StLukeHealth
    Beston Global Foods
    Government of South Australia
    Industries
    Notable Project

    The Digital Embassy was hired to assist and develop a corporate branding platform for a biological company's website. They configured a landing page as well. They are open and honest about what they think is best for the client.

    "They are open with their thoughts and not afraid to voice opinions if they do not think that it is the best for my company." –CEO, Biological Company

  • 6
    $10,000+
    10 - 49 Employees
    Surry Hills Australia

    EvaCodes is a full-stack custom software development company based in Kyiv, Ukraine. The company, founded in 2019, has a team of more than ten that provides custom software development, web development, mobile app development, blockchain, and e-commerce development services. EvaCodes serves mid-market and small companies in various industries that include business services, financial services, and consumer products & services.

    Clients
    Dimo
    Nebeus
    Industries
    Notable Project

    A shop-builder startup hired EvaCodes to provide front end development for their mobile app and related websites. EvaCodes worked on the designs and the wireframe provided by the startup and developed them into a fully functional iOS app that connects to an external website. They completed the project and met the startup's expectations with their work. To date, the resulting app hasn't been launched yet, but feedback from initial user tests have been mostly positive.

    "We were very satisfied with the work of EvaCodes and plan to continue working with them in the future." - COO, Shop-Builder Startup 

  • 7
    $10,000+
    10 - 49 Employees
    Sydney Australia

    Lizard Global is a full-stack digital company based in Rotterdam, Netherlands, with an office in Kuala Lumpur, Malaysia. The company, founded in 2012, has a team of more than 20 that provides mobile app development, web development, UX/UI design, and business consulting services to small and larger-sized companies and institutions in the business services, education, financial services, and other industries.

    Clients
    RiA
    Skoon
    KFC
    Alliander
    Industries
    Notable Project

    Lizard Global designed and developed a platform for a secure contract creation firm wherein contracts can be generated, signed even by multiple signatories, and stored securely. Lizard Global developed the platform from concept to implementation, and to date, development is still in progress towards an MVP.

    "I was impressed with the rigorous structure of the workflow, that still manages to accommodate changes to the plan and unforeseen inclusions." - Product Owner and Design Consultant for the Secure Contract Creation Firm 

  • 8
    $25,000+
    10 - 49 Employees
    Surry Hills Australia

    Pollen is an UX agency and web design company. Headquartered in Surry Hills, Australia, their midsize team specializes in ux/ui design and web design. The firm was established in 2007.

    Industries
  • 9
    $5,000+
    2 - 9 Employees
    Sydney Australia

    Noorix Digital Solutions is a young technology company based in Sydney and founded in 2019. With no more than 10 members, they provide IT strategy consulting, cloud consulting, and UX consulting solutions for small businesses in the fields of financial services, IT, and e-commerce.

    Clients
    viaPhoton
    QTECX Solutions
    MYM Accounting and Business Consultancy
    Instabooks.co
    Industries
    Notable Project

    Noorix Digital Solutions provided various IT services for an architectural solutions company. Noorix Digital Solutions developed an ID system for the company. The project was completed on time.

    “The ease of communication has been the most impressive.” - Director, Architectural Solutions Company

  • 10
    $10,000+
    50 - 249 Employees
    Sydney Australia

    XAM is a development agency based in Sydney, Australia. Founded in 2014 with around 20 members on their team, the agency specializes in web, mobile app, and custom software development. 

    Clients
    Telstra
    UGL
    Sydney Water
    Unilever
    Industries
    Notable Project

    XAM revamped a coaching mobile app after the client reviewed user feedback. The agency worked on restructuring the application and refreshing design elements. The new functions helped the app grow. 

    "Their skillset – from customer service to UX – has covered every aspect of the scope." – Founder, Coaching Mobile App

  • 11
    $1,000+
    10 - 49 Employees
    Liverpool Australia

    Digitalrooar is a Liverpool, Australia-based digital agency. Their team of over 10 employees serves businesses of all sizes across a range of industries including consumer services, automotive, and e-commerce. Services include web development, social media marketing, SEO, PPC, and mobile app development. They were founded in 2019.

    Clients
    Popsicase
    NeedARide.Club
    Ninety Four Singapore
    The Original Organic Co.
    Industries
    Notable Project

    Digialrooar developed a WordPress website for a business advisory firm. They also worked on SEO, Google Ads, and social media marketing campaigns. The team's efforts have had a great impact on the firm. 

    "We are very delighted with the website and specially with DM, we are getting tremendous outcome from the marketing campaign that we are running." — CEO, Business Advisory Firm

  • 12
    $5,000+
    50 - 249 Employees
    Sydney Olympic Park Australia

    ExpertsFromIndia is a development company based in San Jose, Calif. They were founded in 2003 and have a team of around 800 employees. They primarily provide custom software development and SEO. 

    Clients
    eBay
    Sprint
    Mannatech
    Nokia
    Industries
    Notable Project

    ExpertsFromIndia provides SEO support, conducting keyword research and establishing quality links. They provide weekly reports to monitor progress on the site. Traffic increased for the business and the site ranks on the first page. 

    "Collaboration with the SEO team at EFI was an excellent experience for us." – Director, Online Music Promotion Platform

  • 13
    $1,000+
    10 - 49 Employees
    Dural Australia

    Numel Solutions Private Limited is a small website development firm. The Hyderabad, India-based agency was established in 2019. Their services include web development, mobile app development, IoT development, e-commerce development, and more.

    Industries
    Notable Project

    A homeschooling agency hired Numel Solutions Private Limited for web design and SEO services. They updated the framework and improved the site's traffic.

    "They quickly understood our demographic and design parameters."

  • 14
    $5,000+
    2 - 9 Employees
    Liberty Grove Australia

    Snapio Pty Ltd is a software development company founded in 2020 in Brendale, Australia. Their team of more than two offers custom software, web, and mobile app development solutions to small and medium-sized businesses alike.

    Clients
    HotHardware
    ProVita Safety Services
    Qikcar
    Industries
    Notable Project

    Snapio Pty Ltd developed a mobile customer app for a software dev firm. The firm had an API prepared and needed a partner to develop an iOS and Android app with it. The client of the firm is happy with the results.

    “Snapio were very quick to hit the ground running with the app, providing mockups of screens within a few days after our initial meeting.” - Director, Software Dev Firm

  • 15
    $10,000+
    50 - 249 Employees
    Warriewood Australia

    Human Pixel Pty Ltd is a software development agency that was founded in 2017. They are headquartered in Melbourne, Australia with a second office in Warriewood, Australia. Their staff of less than 10 employees specializes in custom software development, web development, and CRM Consulting & SI.

    Clients
    Panasonic
    Equifax Australia
    Knorr-Bremse
    Department of Education
    Industries
    Notable Project

    Human Pixel Pty Ltd partnered with a home building association where they migrated the company's current website from Adobe to WordPress, and updated the site's content upon the re-launch. 

    "The friendly assistance they extended me from the first phone call made my decision easy." – Marketing Manager Director, Home Building Association 

  • 16
    $5,000+
    10 - 49 Employees
    Sydney Australia

    DigiGround is a mobile application development company based in Syndney. The company, founded in 2016, has a team of more than ten that provides mobile app and web development services to various companies.

    Clients
    Sports Focus Physiotherapy
    Bayside BEC
    youchamp
    Oktion
    Industries
    Notable Project

    DigiGround was hired by a B2B Publication to develop, maintain, and update three websites and making them attractive to a larger audience and increasing site traffic. DigiGround delivered these websites and continue to maintain and update them, meeting the Publication's requirements and expectations.

    "I have seen a progressive increase in site traffic and overall higher search rankings." - Managing Director, B2B Publication

  • 17
    $10,000+
    10 - 49 Employees
    Sydney Australia

    Exo Digital, an UX agency, is located in Docklands, Australia. The small agency was founded in 2019. Their team specializes in ux/ui design, branding, digital strategy, web design, and more.

    Industries
    Notable Project

    Exo Digital was hired by a SaaS security platform to provide branding and web design services. They developed the client's brand’s positioning and messaging and designed the site based on the partner's needs.

    "It was great to talk to someone in the same field as me."

  • 18
    $1,000+
    250 - 999 Employees
    Sydney Australia

    Founded in 2007, IPIX Technologies is a software development firm that specializes in web development, web design, and ecommerce development. Headquartered in Kerala, India, with additional offices in Dubai, Abu Dhabi, Texas, and Bangalore, India, the team of 61 works with midmarket and small businesses in the ecommerce industry. 

    Clients
    DM Health Care
    Sharjah Sports Council
    ICAI Dubai
    Genius Group Global
    Industries
    Notable Project

    IPIX Technologies worked with a construction company to develop a WordPress site with ecommerce functionality. The client was happy with their work and their expertise. 

    “They used their expertise to build a site that was perfect and very visually appealing for our business. I am pleased that I chose IPIX Technologies, as they suggested lots of things I hadn’t thought of.” Head of Business Development, Maintenance & Construction Company 
     

  • 19
    $10,000+
    2 - 9 Employees
    Sydney Australia

    Founded in 2016, Baha Agency is a marketing and advertising firm that is headquartered in Canberra, Australia. This team of about five delivers branding, mobile app development, web development, UX/UI design, web design, and mobile app marketing services.

    Clients
    The Citadel Group
    mango
    Divi
    Notable Project

    Baha Agency provides branding, marketing, and web design services for a software company. The team offers marketing strategy, creates brand collateral, and maintains and updates a website. Their dedication, efficiency, and patience have fostered a successful partnership.

    "Since we start working with Baha Agency, our overall brand awareness has increased, and we’re generating an ROI on our marketing spend." – Marketing Manager, Software and Technology Firm

  • 20
    $5,000+
    10 - 49 Employees
    Ultimo Australia

    WP Creative is a boutique WordPress agency based in Syndey. The agency, founded in 2016, has a team of more than ten that provides web development and web design services. WP Creative serves small and mid-market companies in various industries.

    Clients
    Luxe Walls
    Excel Building Management
    CareDent
    Burger 10
    Industries
    Notable Project

    A building materials company hired WP Creative to update their WordPress website and improve its performance. WP Creative completed the project and now their website's performance meets the company's expectations.

    "They responded quickly and delivered what they promised." - SEO Marketing Manager, Building Materials Company

  • 21
    $5,000+
    2 - 9 Employees
    Sydney Australia

    Ucidity is a digital marketing company based in Sydney. The company, founded in 2019, has a team of less than ten that provides a wide range of services that include web development, digital strategy, and social media marketing. The company serves small and midmarket nonprofits and companies in various industries that include business services and IT. 

    Clients
    Geniale
    Industries
    Notable Project

    A cosmetic clinic hired Ucidity to do digital marketing as well as leads growth and management. The services Ucidity provides include formulating and implementing marketing strategies, implementation from Marketing Automation/CRM systems to social media, and support for all their marketing efforts.Ucidity exceeded expectations as they perform in this ongoing engagement, which has enabled the clinic to grow significantly.

    "The business has grown 36% in the last 18 months." - Partner, Cosmetic Clinic

  • 22
    $1,000+
    10 - 49 Employees
    Riverwood Australia

    Kimpster Technologies was founded in 2016 and is headquartered in Riverwood, Australia. They have a team of under 50 employees who focus on web design and UI/UX projects.

    Clients
    Club Sports UK
    Aussie Reborn Supplies
    Suppkings
    etc.
    Industries
    Notable Project

    The team was responsible for creating the design and programming assets for an e-commerce company and store. After working on the platform, traffic to the site increased. They provided the internal staff with resources to manage the platform on their own moving forward.

    "They helped our team members in fully understanding the website and how to maintain it." Business Manager, Manufacturing Company

  • 23
    $25,000+
    10 - 49 Employees
    Barangaroo Australia

    JCH Media is a full-service digital agency based in Brisbane, Australia, with offices in Melbourne. Founded in 2003, their team of fewer than 10 employees provides web design, web development, digital strategy, marketing strategy, and IT strategy consulting services.

    Clients
    Yarra Trams
    Westpac
    Workpac
    Toll
    Industries
  • 24
    $1,000+
    2 - 9 Employees
    Harris Park Australia
    Kaira Infotech, a web design agency, is based in Ahmedabad, India and Harris Park, Australia. The small team provides web design, e-commerce development, web development, advertising, and more and was established in 2019.
    Industries
  • 25
    $5,000+
    10 - 49 Employees
    Parramatta Australia

    Medical IT Services Australia is a small IT managed services company. In Parramatta, Australia, the firm was established in 2015. Their services include IT managed services, cloud consulting & SI, cybersecurity, IT strategy consulting, and more.

    Industries
    Notable Project

    Medical IT Services Australia is developing a scalable solution that will help grow the company. They've implemented the system, migrated legacy data, and standardized IT business workflows

    "I appreciated that they took the time to understand our industry."

  • 26
    $50,000+
    10 - 49 Employees
    Surry Hills Australia
    Alembic is a web development firm. The small team is headquartered in Surry Hills, Australia. Their services include web development, product design, custom software development, business consulting, and more.
    Industries
  • 27
    $1,000+
    2 - 9 Employees
    Sydney Australia
    Website development firm AWM Creative is based in Sydney, Australia and Los Angeles, California. Founded in 2020, the small team specializes in web development, search engine optimization, pay per click, and affiliate marketing.
  • 28
    $5,000+
    10 - 49 Employees
    Erina Australia
    Web development company Increaseo is headquartered in Erina, Australia. The agency specializes in web development, digital strategy, search engine optimization, pay per click, and more and is small.The agency was founded in 2007.
  • 29
    Matterhorn Digital Sydney Logo

    Matterhorn Digital Sydney

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    $5,000+
    2 - 9 Employees
    Sydney Australia
    Established in 2010, Matterhorn Digital is a website development firm. Their small team is in Sydney, Australia; Singapore, Singapore and Christchurch, New Zealand and focuses on web development, ux/ui design, web design, logo, and more.
  • 30
    Simplex Software Australia Logo

    Simplex Software Australia

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    $10,000+
    2 - 9 Employees
    Sydney Australia
    Established in 2014, Simplex Software Australia is a custom software development company. Headquartered in Sydney, Australia, their small team provides custom software development, web development, ux/ui design, and web design.
    Industries
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