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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Developer - **Company:** Quilt LLC - **Location:** Provo, UT, United States - **Experience:** Expert - **Salary:** $100,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Apache HTTP Server, Application Lifecycle Management, Automation of Tests, Software Bug Management, Cascading Style Sheets (CSS), Software as a Service, Software Quality, Databases, Software Debugging, Linux, Payment Systems, Web Servers, JQuery, MySQL, PHP Development, Systems Architecture, Systems Integration, Reliability of Systems, Database Performance, Backend, Git, Integration Frameworks, Codebase, Tools for Reporting, Front End Software Development, Api Design, Software Version Control, Service Stack, Legacy Systems - **Published:** May 14, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=436645a05f32ec76 ## About the Role Do you have experience in Version control?, * 5+ years of professional PHP development experience * Strong MySQL skills * Solid JavaScript experience * Experience working with APIs * Familiarity with payment processing concepts * Git proficiency * Basic Linux/server knowledge * Ability to work independently Preferred: * Experience with ecommerce integrations * Experience with payment platforms * Experience with messaging/email APIs * Familiarity with multi-tenant SaaS architectures * Experience working in legacy codebases * Understanding of retail/POS concepts Nice to Have: * Experience in nonprofit or resale industries * Familiarity with logistics or scheduling systems * Experience with BI/reporting tools * Interest in modernizing legacy systems, Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time. ## Description We're looking for a Senior Software Developer to take a leading role in developing and maintaining one of our software brands. This is a high-impact role where you'll work across the full stack of a mature SaaS product used in real-world daily operations. You'll collaborate closely with product, customer success, and other stakeholders to deliver features, improve performance, and maintain reliability. What You'll Do * Own the full application lifecycle - features, bugs, performance, and deployments * Maintain and extend a large PHP/MySQL codebase * Build new features driven by customer needs * Work with third-party integrations * Support multi-location and multi-tenant functionality * Optimize database performance and queries * Respond to production issues and ensure system reliability * Collaborate with internal stakeholders on product direction and priorities * Contribute to ongoing improvements in code quality and architecture Technology Stack * Backend: PHP * Database: MySQL * Frontend: JavaScript, jQuery, HTML/CSS * Web Server: Apache * Dependencies: Composer * Integrations: Ecommerce, payments, messaging, reporting tools * Architecture: Established monolithic PHP application with long-term production stability., * Onboarded and productive * Understands core application flow * Ships initial bug fixes or small features First 90 days: * Independently handling features and bug fixes * Comfortable with deployment and integration workflows * Strong understanding of system architecture First 6 months: * Owning significant areas of the product * Delivering meaningful improvements * Contributing to technical direction About the Codebase - Transparency * Large, long-running production system * Primarily procedural PHP * Limited automated testing today * Emphasis on stability and incremental improvement ## Related Videos - [APIs and Architecture for scaling omnichannel payments](https://www.wearedevelopers.com/videos/90-apis-and-architecture-for-scaling-omnichannel-payments) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)