Senior PHP Developer / Backend Tech Lead (PHP, Laravel, SaaS)

About Impactable
 

Impactable builds B2B marketing ecosystems that drive measurable growth. Our DemandSense platform is a SaaS product designed to automate and optimize marketing performance across channels like LinkedIn and Google.

We’re a fast-scaling global agency with a strong engineering culture, operating across the U.S., Ukraine, and Serbia.
 

Position Overview
 

We’re looking for a Senior PHP Developer to take a hands-on role in building and scaling the backend of DemandSense, our proprietary SaaS marketing automation platform.

You’ll spend most of your time designing, coding, and optimizing backend services in PHP (Laravel), while also mentoring a small team of developers.

This role is ideal for someone who enjoys solving complex engineering challenges, shaping system architecture, and ensuring high performance, reliability, and scalability — all while staying deeply involved in the codebase. You’ll collaborate closely with product and data teams to deliver robust, well-structured solutions that power real-time analytics and automation at scale.
 

Key Responsibilities

• Lead backend development in PHP (Laravel) for the DemandSense platform, ensuring scalability, performance, and reliability.
• Mentor developers, conduct code reviews, guide best practices, and support professional growth.
• Oversee API design and third-party integrations, ensuring consistent data flow and system interoperability.
• Identify and resolve system bottlenecks, performance issues, and scalability challenges.
• Champion engineering excellence and continuous improvement within the team.
   

Requirements

• 5+ years of backend development experience with PHP (Laravel).
• Proven experience leading or mentoring a development team.
• Strong knowledge of software architecture, design patterns, and scalability principles.
• Deep understanding of PostgreSQL, schema optimization, and performance tuning.
• Experience integrating and maintaining 3rd-party APIs and microservices.
• Strong problem-solving and decision-making skills.
• English intermediate
   

Nice to Have:

• Experience in marketing technology (MarTech) or data-heavy SaaS products.
• Familiarity with CI/CD, Git workflows, and agile methodologies.
• Experience with AWS infrastructure (EC2, RDS, S3, Lambda).
   

Why Join Us

• Lead a core product team at the center of Impactable’s technology ecosystem.
• Shape architecture and influence technical strategy from the ground up.
• Collaborate with global leaders and contribute to a product that directly impacts marketing outcomes.
• Competitive compensation and growth opportunities in a rapidly scaling organization.