JavaScript Development Company for St Louis

Dynamic JavaScript Solutions

Flatirons specializes in crafting efficient JavaScript applications tailored to meet the unique needs of businesses in St. Louis.

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Our JavaScript Development Services

Flatirons offers a comprehensive range of JavaScript development services designed to enhance your web applications.
Front-End Development

Front-End Development

Our expert team specializes in building responsive and dynamic front-end applications using JavaScript frameworks such as React and Angular.

Back-End API Development

Back-End API Development

We develop secure and scalable back-end solutions using Node.js, facilitating seamless integration with front-end applications.

UI/UX Design

UI/UX Design

Our UI/UX design services focus on creating engaging interfaces that provide a delightful user experience for your web applications.

Web Application Maintenance

Web Application Maintenance

We offer ongoing maintenance support for web applications, ensuring they remain updated, secure, and efficient.

Quality Assurance Testing

Quality Assurance Testing

Our comprehensive QA testing services ensure that your applications function flawlessly, providing an excellent user experience.

Custom Software Development

Custom Software Development

We build tailored software solutions to meet your unique business needs, enhancing efficiency and driving growth.

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.
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Types of JavaScript Applications We Build

From single-page applications to complex web solutions, we create a variety of JavaScript applications.
Single Page Applications

Single Page Applications

Build seamless and highly interactive single page applications using JavaScript frameworks.

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Progressive Web Apps

Progressive Web Apps

Create fast, reliable, and engaging Progressive Web Apps to enhance user experience on mobile and desktop.

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Real-Time Applications

Real-Time Applications

Develop real-time applications for instant data exchange and user interaction using WebSockets and JavaScript.

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E-Commerce Solutions

E-Commerce Solutions

Leverage JavaScript to build robust e-commerce platforms with dynamic features and payment integrations.

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Mobile Apps

Mobile Apps

Utilize JavaScript technologies to create cross-platform mobile applications that provide a native experience.

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API Development

API Development

Design and implement powerful APIs that enable communication between front-end and back-end services.

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Content Management Systems

Content Management Systems

Build customizable content management systems with user-friendly interfaces utilizing JavaScript.

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Data Visualization Tools

Data Visualization Tools

Create interactive data visualization tools that present complex information in an understandable manner.

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Chat Applications

Chat Applications

Develop real-time chat applications with engaging interfaces that enhance user interaction.

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The reviews are in.

Award-winning agency with 5.0 rating on Clutch
5.0/5
25 client reviews
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Our Process for JavaScript Projects

We follow a structured process that ensures timely delivery and thorough execution of JavaScript solutions.
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

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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

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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 a powerful JavaScript runtime that enables performance-oriented web applications.
React logo

React

React is a widely-used JavaScript library for building user interfaces and dynamic web applications.
Express.js

Express.js

Express.js is a fast and minimalist web framework for Node.js, ideal for building APIs.
JavaScript

JavaScript

JavaScript is a versatile programming language that powers interactivity in web applications.
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People talk about us.

We have been featured in major publications for our award-winning software development work.
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Our Engagement Models for JavaScript Projects

We provide versatile engagement models tailored to the specific needs of each 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.
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“The company treats employees like family and genuinely cares about their well-being.”
Senior Software Engineer

Why Choose Flatirons for JavaScript Development?

With experience and a dedicated team, Flatirons ensures your JavaScript projects are successful and innovative.
Proven Expertise in JavaScript Development

Proven Expertise in JavaScript Development

Our team possesses extensive experience in JavaScript frameworks and libraries, ensuring that your project benefits from the latest technologies and best practices.
Customized Solutions

Customized Solutions

We deliver tailored JavaScript solutions that meet your specific business needs and objectives, ensuring optimal performance and user experience.
Agile Development Approach

Agile Development Approach

Our agile methodology promotes flexibility and collaboration, allowing for continuous improvements and adjustments throughout the development process.
Dedicated Support Team

Dedicated Support Team

Our committed support team is available to assist you anytime, ensuring that your JavaScript projects run smoothly and are continuously optimized.
Seamless Integration

Seamless Integration

We specialize in integrating JavaScript applications with various systems and APIs, providing a seamless experience and enhancing functionality.
Focused on User Experience

Focused on User Experience

Our developers prioritize user experience, ensuring that every JavaScript application is not only efficient but also intuitive and engaging for users.
Proven Success with Local Clients

Proven Success with Local Clients

We have successfully delivered JavaScript solutions to various local businesses in St. Louis, establishing our reputation and reliability within the community.
Cutting-Edge Technologies

Cutting-Edge Technologies

We stay ahead of the technology curve, utilizing the latest advancements in JavaScript development to provide innovative solutions that drive success.
Specialties
Specialties

Hire Expert JavaScript Developers

Our skilled JavaScript developers are ready to help elevate your projects in St. Louis.

Benefits of JavaScript Development

Discover the advantages of utilizing JavaScript in your web solutions, including enhanced interactivity and performance.

FAQs about JavaScript Development

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

JavaScript development refers to the process of building applications or websites using JavaScript, a versatile programming language primarily used for creating dynamic and interactive user interfaces.
Choosing a JavaScript development company ensures that you work with experts who understand the language's nuances, best practices, and frameworks, leading to better performance and user experience in your applications.
JavaScript can be used to build a variety of applications, including web applications, mobile applications, server-side applications, and even Internet of Things (IoT) applications.
Common JavaScript frameworks include React, Angular, Vue.js, and Node.js, each serving different purposes whether it's for frontend, backend, or mobile development.
Yes, we offer full-stack JavaScript development services, which means we can handle both the client-side (frontend) and server-side (backend) development seamlessly.
We employ various testing methodologies, including unit testing, integration testing, and end-to-end testing, alongside code reviews to ensure the highest quality in our JavaScript applications.
The timeline for a JavaScript development project can vary widely based on the complexity and requirements of the application; however, we typically provide a detailed estimate during the planning phase.
Our team regularly participates in training, workshops, and read industry publications to stay up-to-date with the ever-evolving landscape of JavaScript and associated technologies.
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