JavaScript Development Company for Modesto

Dynamic JavaScript Solutions for Your Business

Flatirons specializes in JavaScript development services to help your business build responsive and high-performance applications.

Request a Free Estimate

Fill out the form below to schedule a call.

Our JavaScript Development Services

Flatirons offers customized JavaScript development services to create engaging and efficient web applications tailored for your business needs.
JavaScript Backend Development

JavaScript Backend Development

We specialize in building robust backend systems using JavaScript frameworks like Node.js, ensuring your applications are scalable and performant.

JavaScript Frontend Development

JavaScript Frontend Development

Our frontend development team utilizes popular JavaScript libraries and frameworks such as React and Angular to create dynamic and responsive user interfaces.

API Development

API Development

We develop secure and efficient APIs that facilitate seamless communication between developers and their applications, leveraging JavaScript technologies.

Database Migrations

Database Migrations

Our team manages database migrations effectively, ensuring data integrity and minimal downtime while transitioning to JavaScript-based solutions.

Quality Assurance Testing

Quality Assurance Testing

We provide comprehensive QA testing services for JavaScript applications to ensure that your software is reliable, secure, and performs as expected.

Web Application Maintenance

Web Application Maintenance

Our dedicated team offers ongoing maintenance and support services for web applications to ensure optimal performance and user satisfaction.

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 Applications We Build

From single-page applications to complex web platforms, we leverage JavaScript to deliver a variety of solutions.
Web Applications

Web Applications

Custom web applications tailored for your business needs.

Learn More
Mobile Apps

Mobile Apps

Innovative mobile applications designed to enhance user engagement.

Learn More
E-commerce Solutions

E-commerce Solutions

Robust e-commerce platforms for seamless online shopping experiences.

Learn More
Single Page Applications (SPAs)

Single Page Applications (SPAs)

Responsive single page applications for dynamic user experiences.

Learn More
Progressive Web Apps (PWAs)

Progressive Web Apps (PWAs)

Engaging progressive web apps that work offline and on any device.

Learn More
Content Management Systems

Content Management Systems

User-friendly content management systems for easy content updates.

Learn More
CRM Software

CRM Software

Tailored CRM solutions to manage customer relations effectively.

Learn More
Social Media Apps

Social Media Apps

Engaging social media applications to connect with your audience.

Learn More
Dashboard Development

Dashboard Development

Interactive dashboards for real-time data visualization.

Learn More
API Development

API Development

Robust API development to enhance integration capabilities.

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 Process for JavaScript Projects

We follow a streamlined process ensuring timely delivery and quality assurance for all JavaScript projects.
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

Our JavaScript Development Technologies

Node.js

Node.js

Node.js is an open-source, cross-platform, JavaScript runtime built on Chrome's V8 JavaScript engine, designed to build scalable network applications.
React logo

React.js

React.js is a JavaScript library for building user interfaces, particularly suitable for single-page applications where you can create reusable UI components.
JavaScript

JavaScript

JavaScript is a versatile, multi-paradigm programming language, primarily used for enhancing the interactivity of web pages.
AWS

AWS

Amazon Web Services (AWS) is a comprehensive cloud computing platform that offers a wide range of cloud services, including computing power, storage, and machine learning.
VIEW ALL

People talk about us.

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

Our JavaScript Development Engagement Models

We offer various engagement models to fit the unique requirements of your JavaScript development project.

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 our expertise in JavaScript development, we bring innovation and reliability to your projects.
Expert JavaScript Developers

Expert JavaScript Developers

Our team consists of expert JavaScript developers who have extensive experience in building robust applications tailored to meet your business needs.
Tailored Solutions

Tailored Solutions

We provide tailored software solutions that align perfectly with your operational requirements, ensuring maximum efficiency and effectiveness.
Agile Development Approach

Agile Development Approach

Our agile development approach means we can adapt quickly to changes, delivering high-quality results that support your project's goals.
Comprehensive Support

Comprehensive Support

Flatirons offers comprehensive support throughout the development process, from ideation to deployment and beyond.
Proven Success

Proven Success

We have a proven track record of success in delivering JavaScript projects for various industries, ensuring that our clients achieve their business goals.
Innovative Technology

Innovative Technology

We leverage the latest technologies and frameworks in our JavaScript development, ensuring your applications are fast, scalable, and secure.
Client-Centric Approach

Client-Centric Approach

Our client-centric approach ensures we listen to your needs and deliver solutions that enhance your user experience and business efficiency.
Cost-Effective Solutions

Cost-Effective Solutions

We provide cost-effective solutions without compromising quality, ensuring you get the best value from your investment.
Specialties
Specialties

Hire Top JavaScript Developers

Our skilled JavaScript developers are ready to help you achieve your project goals.

Benefits of JavaScript Development

Discover how JavaScript can enhance user experience and performance for your applications.

FAQs about JavaScript Development

Explore common questions and answers related to our JavaScript development services.

JavaScript development involves creating dynamic and interactive web applications using JavaScript, a versatile programming language that runs in web browsers and on servers.
JavaScript is a powerful language that enables the development of rich, interactive user interfaces. It's widely supported, making it the ideal choice for both front-end and back-end development.
Yes, our consultancy offers full-stack JavaScript development services using frameworks such as Node.js for back-end and React or Angular for front-end applications.
With JavaScript, you can develop a wide range of applications, including web applications, mobile apps, server-side applications, and even desktop applications using frameworks like Electron.
We focus on optimizing code, reducing loading times, and minimizing resource usage. We also utilize performance testing tools to ensure applications run smoothly under various conditions.
Absolutely! JavaScript, through frameworks such as React Native, enables the creation of cross-platform mobile applications that work seamlessly on both iOS and Android devices.
Yes, JavaScript is suitable for large-scale applications. With proper architecture and design patterns, JavaScript applications can handle extensive data and complex functionalities efficiently.
We utilize popular JavaScript frameworks such as React, Angular, Vue.js for front-end development, and Node.js and Express for back-end development, ensuring robust and scalable applications.
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
react.js vs node.js
Development

React.js vs Node.js: Understanding the Differences

Flatirons

Jan 27, 2024
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
react.js vs node.js
Development

React.js vs Node.js: Understanding the Differences

Flatirons

Jan 27, 2024
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
react.js vs node.js
Development

React.js vs Node.js: Understanding the Differences

Flatirons

Jan 27, 2024
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
react.js vs node.js
Development

React.js vs Node.js: Understanding the Differences

Flatirons

Jan 27, 2024