Senior PHP Software Engineer

Expleo•Milwaukee, WI

2d•$110,000 - $118,000•Remote

About The Position

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.

Requirements

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
Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related technical field
Authorized to work in the United States

Nice To Haves

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
Relevant integration, cloud, or software engineering certifications are a plus

Responsibilities

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
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
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
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