Top 6 React js developer Jobs in O Fallon, Mo

JUNIOR SOFTWARE DEVELOPER
MyBrand —St. Louis, MO
- Full-time
- 3 years
- Entry level
- Health insurance
- 401(k)
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Senior Python Developer
ArchKey Solutions LLC —Fenton, MO
- Full-time
- Computer science
- Azure
- Computer Science
- Paid holidays
- Health insurance
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MyBrand —St. Louis, MO
Client platform – Design and develop a platform where clients manage proposals, assets, orders, invoices, logistics, and more.
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JUNIOR SOFTWARE DEVELOPER

MyBrand -
St. Louis, MO

Quick Apply

Job Details

Full-time

Benefits

Health insurance
401(k)

Qualifications

AI models
Data model design
Software engineering
Tailwind CSS
Data modeling projects
Tooling
Improving system uptime or availability
Slack
Direct client contact
AI platforms (beyond public GPTs)
Scalable systems
Schema design
3 years
Data Architecture Design (Architecture design skills)
Production systems
PostgreSQL
Next.js
SEO
Collaborative technology platforms
Developing data pipelines
GitHub
Software testing
Developing and maintaining backend systems
Monitoring system implementation
UI
Front-end component implementation
AI-driven automation
Cross-functional collaboration
TypeScript
Developer tools

Full Job Description

|What We Do

At MyBrand, we believe in the power of connection: It's at the core of everything we do. At MyBrand, we design, source, and distribute branded products that drive an impact. Our work is centered on building and maintaining trusted partnerships with our clients, vendors, and team members. We strive to provide creative solutions, exceptional service, and "It's All Good!®" spirit and energy in all we do.

|Position Overview

The technology team is a small, fast-moving group inside MyBrand. We're investing heavily in technology to unlock our team's potential and to elevate our client experience.

Our work spans a few core initiatives:

Client platform – Design and develop a platform where clients manage proposals, assets, orders, invoices, logistics, and more.
Internal automation & AI – Use code and AI agents to improve or redefine internal processes. Automate repetitive work so people can spend more time on creativity and relationships.
Client stores – Design and build client e-commerce stores and create scalable tools for running and monitoring them.
Marketing site – Iterate on mybrandpromo.com, including SEO-driven experiments and content changes.
Data & BI – Manage the data pipeline for BI tools and assist with dashboards and KPIs.

Your focus will shift among these initiatives based on the company roadmap and your strengths.

|What You'll Do

Own features end-to-end across the stack: backend, UI, testing, and tooling.
Prototype and ship internal AI tools and automations.
Collaborate directly with clients and internal stakeholders (sales, operations, creative) to understand problems and ship pragmatic solutions.
Improve the reliability and observability of our systems as we grow.
Help shape our development practices as one of a small number of core developers.

|Our Stack

You don't need to know all of this, but here's what we use today:

App frameworks: Next.js, TanStack Start
Backend & data: Postgres, Convex, Metabase
Infra & devops: Vercel, GitHub, Axiom
Tooling: Turborepo, Biome, pnpm
Styling & UI: Tailwind, Shadcn
Collaboration: Linear, Slack

|Values Alignment

The Software Developer will exemplify MyBrand's core values and "It's All Good!®" leadership attributes.

|Why MyBrand

MyBrand provides a supportive team culture in a values-based environment. We offer competitive salary, healthcare, 401(k) at one year of employment, hybrid flexibility, and more.

MyBrand is Proud to be an Equal Opportunity Employer.

|Experience

We're looking for a creative, practical generalist who learns quickly, works autonomously, and loves using AI.

You might be a good fit if you have:

3+ years of experience as a software engineer
Strong programming skills in TypeScript
Experience with LLMs and agentic coding tools (Claude Code, Cursor, etc.)
Modern frontend experience (React, Tailwind, etc.)
Ability to design clear APIs, data models, and simple architectures
Comfort working in a small team with lots of ownership and ambiguity
Experience learning new frameworks and tools

Quick Apply

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