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Full Stack Software Developer (.NET​/React

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Copeland LP
Full Time position
Listed on 2026-07-31
Job specializations:
  • Software Development
    Front End Developer, Web Developer, React.js
Salary/Wage Range or Industry Benchmark: 110000 - 140000 USD Yearly USD 110000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: Full Stack Software Developer (.NET/React)
Location: St. Louis

About Us

We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead.

Whether you are a professional looking for a career change, an undergraduate student exploring your first opportunity, or recent graduate with an advanced degree, we have opportunities that will allow you to innovate, be challenged and make an impact. Join our team and start your journey today!

We are seeking a Full Stack Software Developer who can architect, build, and optimize modern headless digital experiences using Optimizely CMS, Next.js, React, personalization, analytics, and content delivery technologies. The ideal candidate will have experience developing, implementing, and maintaining content management solutions, preferably using Optimizely CMS (formerly Episerver). Additionally, you will create seamless, high-performing user experience with a Next.js/React front end.

Your role will be pivotal in delivering a robust, scalable, and user-friendly digital experience.

Key Responsibilities CMS Development & Maintenance

Design, implement, and maintain websites using Optimizely CMS.

Create and customize reusable Optimizely content types, templates, and modules to meet project requirements.

Manage CMS workflows, permissions, and content publishing processes.

Front-End Integration

Develop and integrate user-facing features with Next.js and React.

Optimize the front-end architecture for performance and scalability.

Collaborate with UI/UX designers to translate wireframes and prototypes into high-quality code.

API & Data Handling

Support Frontend connection to CMS backend via GraphQL.

Build and manage APIs to connect the front end and CMS backend.

Ensure secure and efficient data flow between systems.

Support flow of digital asset data from DAM to CMS.

Performance Optimization

Ensure websites are optimized for speed, responsiveness, and scalability.

Implement best practices for SEO, accessibility, and cross-browser compatibility.

Team Collaboration

Work closely with product owners, digital marketing, designers, and other developers.

Participate in code reviews, testing, and debugging processes.

Provide technical guidance and support to team members and stakeholders.

Qualifications
  • Experience with agile methodologies and tools (e.g., Jira, Azure Dev Ops Boards).
  • Knowledge of Azure CI/CD pipelines and deployment workflows.
  • Familiarity with Git.
  • Experience designing composable DXP architectures using Optimizely Graph, REST/GraphQL APIs, SSR, SSG, ISR, and modern front-end patterns.
  • Strong understanding of CSS and Sass (SCSS).
  • Proficiency in Next.js, React, JavaScript (ES6+), and Type Script.
  • 3+ years proven experience with .NET.
  • Authorization to work in the United States on a permanent basis:
    Individuals with temporary visas such as E, F-1 with OPT or CPT, H-1, H-2, L-1, B, J or TN, or who need sponsorship for work authorization now or in the future, are not eligible for hire.
Additional Skills

Familiarity with cloud services in Azure and hosting environments.

Understanding of SEO principles and performance optimization techniques.

Excellent problem-solving skills and attention to detail.

Preferred Qualifications
  • Experience with Optimizely CMS.
  • Experience with Headless CMS Integration (REST/GraphQL).
  • Experience with other CMS platforms and migration to Optimizely CMS.
  • Experience with Optimizely Graph, Search & Navigation, Aprimo DAM, Cloudflare CDN, experimentation, consent management, and analytics platforms.
  • Familiarity with Google analytics tools and tag management systems.
  • Certification in Optimizely or related technologies is a plus.
Our Commitment to Our People

Across the globe, we are united by a singular

Purpose:

Sustainability is no small ambition. That’s why everything we do is geared toward…

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