JavaScript Development Company for Ontario

Building Dynamic JavaScript Solutions

Flatirons specializes in creating robust JavaScript applications that enhance performance and user experience for businesses in Ontario.

Request a Free Estimate

Fill out the form below to schedule a call.

Our JavaScript Development Services

Flatirons offers a wide range of JavaScript development services, ensuring custom solutions that meet your unique business needs.
Frontend Development

Frontend Development

Our frontend developers utilize modern frameworks to create interactive web applications tailored to your business needs.

Backend API Development

Backend API Development

We build robust APIs that allow seamless integration with various platforms, ensuring enhanced functionality and user experience.

UI/UX Design

UI/UX Design

Our UI/UX design team creates intuitive and engaging interfaces that prioritize user experience across web and mobile platforms.

Web Application Maintenance

Web Application Maintenance

We offer comprehensive maintenance services to ensure your web applications run smoothly and efficiently over time.

Quality Assurance Testing

Quality Assurance Testing

Our QA team rigorously tests your applications to ensure they meet the highest standards of quality and performance.

Custom Software Development

Custom Software Development

We offer tailored software development solutions to meet the unique needs of your business, using the latest technologies.

Our record speaks for itself.

We form long-term relationships with businesses from startups to Fortune 100 enterprises.
3 year
Average client relationship.
5.0 / 5.0
Clutch client rating.
50+
Industry awards.
get in touch

Types of JavaScript Applications We Develop

We create a variety of JavaScript applications, including web apps, mobile apps, and enterprise solutions.
Web Applications

Web Applications

Develop robust web applications using JavaScript frameworks to enhance user experience and performance.

Learn More
Mobile Applications

Mobile Applications

Create high-performance mobile applications with JavaScript to reach users on their devices.

Learn More
Single Page Applications (SPA)

Single Page Applications (SPA)

Design and develop single page applications that provide fast and responsive user experiences.

Learn More
Progressive Web Apps (PWA)

Progressive Web Apps (PWA)

Build progressive web applications that offer a native app-like experience on the web.

Learn More
E-commerce Solutions

E-commerce Solutions

Develop powerful e-commerce platforms using JavaScript, ensuring high performance and security.

Learn More
Real-time Applications

Real-time Applications

Create real-time applications such as chat applications and live notifications using JavaScript.

Learn More
API Development

API Development

Design and develop scalable APIs using JavaScript to handle data and integrate with other services.

Learn More
Custom Software Solutions

Custom Software Solutions

Deliver tailor-made software solutions using JavaScript that meet unique business needs.

Learn More

The reviews are in.

Award-winning agency with 5.0 rating on Clutch
5.0/5
25 client reviews
Schedule a call

Our Development Process

Our structured process guarantees transparency and collaboration from initial consultation to project delivery.
Scoping

01

Scoping

We have detailed discussions to understand your requirements, objectives, and challenges.
Proposal

02

Proposal

We provide you with a proposal that outlines scope, timelines, required resources, and costs.
Contact

03

Contract

A contract formalizes our relationship and commitment to delivering the agreed-upon services.
Execution

04

Execution

We kick off the project by dedicating our resources to design and implement the software solution.

A trusted partner for your business.

Heidi Hildebrandt
Flatiron's work optimized site design and flow. The creative lead at Flatirons demonstrated exceptional UX know-how, integrating usability and design to deliver a powerful product. The client came out of the engagement with a wider understanding of the most important platform features.
Heidi Hildebrandt

Director of Product

Schedule a call
Jeremy Zaborowski
With the help of Flatirons Development, we were able to launch a large update to our platform, introducing new innovative tools for our clients. The information was complex but Flatirons found creative ways to present it, making it feel simple and easy to understand.
Jeremy Zaborowski

Co-Founder & CTO

Schedule a call
Storey Jones
They deconstructed our idea and provided it back to us in an incredibly smart and accessible manner. Flatirons Development is constantly solving problems in both a visually stunning and intelligent way.
Storey Jones

Founder and CEO

Schedule a call
Brian Bar
Our company is growing, and as we started looking to scale, we wanted a more efficient business model. We hired Flatirons Development to build a platform that would help connect talent with the right company.
Brian Bar

Founder and CEO

Schedule a call
Heidi Hildebrandt
Flatiron's work optimized site design and flow. The creative lead at Flatirons demonstrated exceptional UX know-how, integrating usability and design to deliver a powerful product. The client came out of the engagement with a wider understanding of the most important platform features.
Heidi Hildebrandt

Director of Product

Schedule a call
Jeremy Zaborowski
With the help of Flatirons Development, we were able to launch a large update to our platform, introducing new innovative tools for our clients. The information was complex but Flatirons found creative ways to present it, making it feel simple and easy to understand.
Jeremy Zaborowski

Co-Founder & CTO

Schedule a call
Storey Jones
They deconstructed our idea and provided it back to us in an incredibly smart and accessible manner. Flatirons Development is constantly solving problems in both a visually stunning and intelligent way.
Storey Jones

Founder and CEO

Schedule a call
Brian Bar
Our company is growing, and as we started looking to scale, we wanted a more efficient business model. We hired Flatirons Development to build a platform that would help connect talent with the right company.
Brian Bar

Founder and CEO

Schedule a call
Heidi Hildebrandt
Flatiron's work optimized site design and flow. The creative lead at Flatirons demonstrated exceptional UX know-how, integrating usability and design to deliver a powerful product. The client came out of the engagement with a wider understanding of the most important platform features.
Heidi Hildebrandt

Director of Product

Schedule a call
Jeremy Zaborowski
With the help of Flatirons Development, we were able to launch a large update to our platform, introducing new innovative tools for our clients. The information was complex but Flatirons found creative ways to present it, making it feel simple and easy to understand.
Jeremy Zaborowski

Co-Founder & CTO

Schedule a call
Storey Jones
They deconstructed our idea and provided it back to us in an incredibly smart and accessible manner. Flatirons Development is constantly solving problems in both a visually stunning and intelligent way.
Storey Jones

Founder and CEO

Schedule a call
Brian Bar
Our company is growing, and as we started looking to scale, we wanted a more efficient business model. We hired Flatirons Development to build a platform that would help connect talent with the right company.
Brian Bar

Founder and CEO

Schedule a call

Technologies We Use

Node.js

Node.js

Node.js is a server-side JavaScript runtime that allows developers to build scalable network applications using JavaScript.
React logo

React.js

React.js is a popular library for building user interfaces, enabling developers to create fast and interactive web applications.
JavaScript

JavaScript

JavaScript is a versatile programming language widely used for building dynamic web applications and enhancing user interfaces.
Kotlin logo

Kotlin

Kotlin is a modern programming language that is fully interoperable with Java, used for developing Android applications.
AWS

AWS

Amazon Web Services (AWS) provides a secure cloud services platform, offering compute power, database storage, and content delivery.
Docker

Docker

Docker is a platform that enables developers to automate the deployment of applications inside lightweight containers.
VIEW ALL

People talk about us.

We have been featured in major publications for our award-winning software development work.
Schedule a call

Our Engagement Models for JavaScript Projects

We provide flexible engagement models tailored to the requirements of your JavaScript development projects.

Staff Augmentation

If you want to offload the full execution of your web app, you can outsource the project to Flatirons.View More

Project Outsourcing

If you just need a few extra hands on your already established team, our staff augmentation services can help you expand your team.View More

The top 1% of design & engineering talent.

Our average employee has 10 years of professional experience in their field.
Schedule a call
“The company treats employees like family and genuinely cares about their well-being.”
Senior Software Engineer

Why Choose Flatirons for JavaScript Development?

With years of expertise, Flatirons is dedicated to delivering exceptional JavaScript solutions that drive your business forward.
Expert JavaScript Developers

Expert JavaScript Developers

Our team of expert JavaScript developers specializes in building dynamic and responsive web applications that drive business success.
Tailored Solutions for Your Needs

Tailored Solutions for Your Needs

We offer tailored JavaScript solutions that cater specifically to your unique business requirements, ensuring seamless integration and functionality.
Proven Track Record

Proven Track Record

Our portfolio showcases a proven track record of successful JavaScript projects for various industries, demonstrating our capability and expertise.
Agile Development Methodology

Agile Development Methodology

We utilize agile development methodologies that provide flexibility, ensuring that your project can adapt to changes and deliver results on time.
Comprehensive Support

Comprehensive Support

Flatirons provides comprehensive support throughout the development process and beyond, guaranteeing that your application remains functional and up-to-date.
Latest Technologies

Latest Technologies

We leverage the latest technologies and frameworks in JavaScript development to create applications that are not only user-friendly but also scalable.
Transparent Pricing

Transparent Pricing

Our transparent pricing structure ensures that you know exactly what you're paying for, with no hidden fees or surprise charges.
Specialties
Specialties

Contact Our JavaScript Experts

Get in touch with our skilled team of JavaScript developers to discuss your next project in Ontario.

Benefits of Choosing JavaScript Development

Discover the advantages of leveraging JavaScript for your business applications, from enhanced interactivity to improved performance.

FAQs about JavaScript Development

Find answers to common questions regarding our JavaScript development services and processes.

JavaScript development involves creating interactive and dynamic web applications using JavaScript, a programming language that enables enhanced user interfaces and experiences on websites.
JavaScript is essential for modern web development due to its versatility and ability to run on both the client and server sides, allowing for rich interactivity and seamless user experiences.
We utilize popular JavaScript frameworks and libraries such as React, Angular, and Vue.js to build robust and scalable web applications.
Yes, we can assist in migrating your existing applications to JavaScript, ensuring that they leverage modern technologies and frameworks for improved performance and user experience.
Absolutely! We provide ongoing maintenance and support services for JavaScript applications to ensure they stay updated and perform optimally.
The cost of JavaScript development varies based on the project's complexity and requirements. We offer tailored quotes based on a thorough consultation of your needs.
Yes, JavaScript can be used to develop mobile applications through frameworks like React Native, allowing you to create cross-platform applications with ease.
We follow coding best practices, perform rigorous testing, and utilize automated testing tools to ensure the quality and reliability of our JavaScript applications.
Yes, we have extensive experience in integrating various third-party APIs into JavaScript applications to enhance functionality and user experience.
We serve a variety of industries including healthcare, finance, e-commerce, and education, providing customized JavaScript solutions to meet specific industry needs.
From the Blog

Read about JavaScript Development

Top 10 JavaScript Frameworks for 2025
Development

Top 10 JavaScript Frameworks for 2025

Flatirons

Apr 10, 2023
The Best JavaScript IDE and Code Editors for 2025
Development

The Best JavaScript IDE and Code Editors for 2025

Flatirons

Mar 29, 2024
Node.js vs. Flask: Which is Better in 2025?
Development

Node.js vs. Flask: Which is Better in 2025?

Flatirons

Jun 07, 2023
Top 10 JavaScript Frameworks for 2025
Development

Top 10 JavaScript Frameworks for 2025

Flatirons

Apr 10, 2023
The Best JavaScript IDE and Code Editors for 2025
Development

The Best JavaScript IDE and Code Editors for 2025

Flatirons

Mar 29, 2024
Node.js vs. Flask: Which is Better in 2025?
Development

Node.js vs. Flask: Which is Better in 2025?

Flatirons

Jun 07, 2023
Top 10 JavaScript Frameworks for 2025
Development

Top 10 JavaScript Frameworks for 2025

Flatirons

Apr 10, 2023
The Best JavaScript IDE and Code Editors for 2025
Development

The Best JavaScript IDE and Code Editors for 2025

Flatirons

Mar 29, 2024
Node.js vs. Flask: Which is Better in 2025?
Development

Node.js vs. Flask: Which is Better in 2025?

Flatirons

Jun 07, 2023
Top 10 JavaScript Frameworks for 2025
Development

Top 10 JavaScript Frameworks for 2025

Flatirons

Apr 10, 2023
The Best JavaScript IDE and Code Editors for 2025
Development

The Best JavaScript IDE and Code Editors for 2025

Flatirons

Mar 29, 2024
Node.js vs. Flask: Which is Better in 2025?
Development

Node.js vs. Flask: Which is Better in 2025?

Flatirons

Jun 07, 2023