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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior PHP Software Engineer - **Company:** EXPLEO LLC - **Location:** Milwaukee, WI, United States (Remote available) - **Experience:** Expert - **Salary:** $141,440.0 - $151,840.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Application Integration Architecture, Application Performance Management, Business Systems, Cascading Style Sheets (CSS), Software Quality, Code Review, Data Synchronization, DevOps, Interoperability, JSON, OAuth, Oracle SQL Developer, Performance Tuning, PHP Development, Scrum Methodology, Systems Development Life Cycle, Release Management, Software Engineering, Symfony, Systems Integration, Enterprise Data Management, Enterprise Software Applications, Boomi, Zapier, Backend, Information Technology, Integration Frameworks, Front End Software Development, Api Design, Restful APIs, Mulesoft - **Published:** August 6, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9e997ea647d983a1 ## About the Role * 8+ years of software engineering experience with both front-end and back-end development * Strong expertise in PHP development, ideally within Symfony-based environments * Experience developing and supporting REST APIs and enterprise integrations * Experience working with integration platforms such as Boomi, MuleSoft, Workato, or similar technologies * Advanced Oracle SQL and PL/SQL development experience * Experience supporting production systems and resolving complex application issues * Strong understanding of JSON, OAuth, system interoperability, and integration patterns * Proficiency with JavaScript, HTML, and CSS * Experience working within Agile software development environments * Excellent troubleshooting, analytical, and problem-solving abilities * Strong communication and collaboration skills * Demonstrated technical leadership and mentoring experience Bonus Points If You Have * Hands-on experience with OroCommerce development and customization * Experience integrating with IFS ERP environments * Expertise designing enterprise-scale Boomi integrations * Experience with CI/CD pipelines and DevOps practices * Background supporting eCommerce technology ecosystems * Experience leading integration modernization initiatives Education & Certifications You Need * Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related technical field * Relevant integration, cloud, or software engineering certifications are a plus ## Description Are you a senior-level software engineer who enjoys solving complex integration challenges while building scalable enterprise applications? Trissential is hiring a Senior PHP Software Engineer to join our client's team. This is an opportunity to work on high-impact eCommerce and ERP integrations, contribute across the full application stack, and play a key role in driving enterprise technology solutions that directly support business growth. What's in It for You? * Work on mission-critical enterprise integrations connecting eCommerce, ERP, and internal business systems * Leverage modern integration technologies including Boomi, REST APIs, and enterprise middleware solutions * Make a measurable impact by improving application performance, reliability, and scalability * Collaborate with technical leaders, business stakeholders, and vendors on innovative enterprise solutions * Mentor and support fellow engineers while expanding your own leadership capabilities * Enjoy a fully remote work environment while contributing to large-scale technology initiatives * Participate in Agile development teams focused on continuous improvement and innovation Your Role & Responsibilities Enterprise Integrations & APIs * Design, develop, and maintain integrations between eCommerce platforms, ERP systems, and internal applications * Build and support RESTful APIs and enterprise data exchange processes * Manage data synchronization, transformation, validation, and interoperability across multiple systems * Lead complex integration initiatives involving OroCommerce, IFS ERP, and third-party platforms * Serve as a technical expert for integration architecture and API development * Troubleshoot and resolve complex integration design and implementation challenges * Promote reliable, scalable, and maintainable integration practices across the organization Application Development * Support, enhance, and customize OroCommerce applications using PHP and Symfony * Contribute across both front-end and back-end development initiatives * Develop enterprise applications using PHP, Oracle PL/SQL, JavaScript, HTML, and CSS * Ensure applications meet performance, security, scalability, and maintainability standards * Conduct code reviews and provide technical feedback to improve software quality * Coach and mentor junior and mid-level developers * Champion software engineering best practices and coding standards Production Support & Reliability * Monitor, troubleshoot, and maintain enterprise applications and integrations * Perform root cause analysis and implement long-term solutions * Support deployments and ensure successful release management activities * Lead investigation and resolution of complex production incidents * Improve monitoring, performance optimization, and operational processes * Participate throughout the SDLC including development, testing, deployment, and support Collaboration & Delivery * Partner with business stakeholders, IT teams, and external vendors to deliver successful solutions * Participate in Agile ceremonies including sprint planning, reviews, and backlog refinement * Create and maintain technical documentation for integrations, applications, and workflows * Assist with project estimation, technical analysis, and architecture discussions * Share technical knowledge through mentoring, reviews, and collaborative problem-solving * Drive continuous improvement initiatives across development and support teams ## Related Videos - [Recruitment Reinvented: Bold strategies and the $10K signing incentive](https://www.wearedevelopers.com/videos/1068-recruitment-reinvented-bold-strategies-and-the-10k-signing-incentive) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [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)