Backend Engineer (PHP)

About airSlate

airSlate is a global SaaS technology company that develops no-code workflow automation, electronic signature, and document management solutions. Our award-winning products - SignNow, pdfFiller, DocHub, airSlate WorkFlow, Instapage, and US Legal Forms - serve over hundreds of millions of  users and more than one million customers worldwide, helping organizations of every size digitize processes, improve efficiency, and transform how they work.

We’re in an exciting phase of growth and transformation, with teammates in more than 20 countries across three continents and main hubs in the United States, Poland, Romania, Ukraine and Philippines. 

At airSlate, we’re building value for customers and a culture where growth and innovation go hand in hand. We’re looking for people eager to shape products, scale a company, and thrive in a fast-moving environment.

About the Team

We’re a collaborative team focused on evolving the payments experience across our product ecosystem. We experiment with new payment workflows, integrate gateways and methods, optimize existing systems, and analyze key metrics to deliver seamless, secure, and reliable transactions for our users.

In this role, you’ll work on a large-scale, high-load platform where your ideas and decisions directly impact product performance and customer experience. You’ll design and implement new payment solutions, run experiments, improve performance, and collaborate with cross-functional teams - all while growing your skills and contributing to meaningful product innovation.

What we expect from you:

• 4+ years of professional software development experience;

• Strong hands-on experience with PHP and frameworks such as Laravel;

• Experience working with relational databases (preferably PostgreSQL);

• Solid understanding of software architecture and design patterns;

• Practical experience with Git version control and Docker;

• Background working with writing tests;

• Ability to decompose and estimate tasks, manage complexity, and prioritize effectively;

• Self-driven engineer capable of owning tasks and delivering end-to-end feature improvements.

• Fluency in ukrainian or russian language.

Nice to have:

• Experience working with payment systems and payment gateways;

• Familiarity with Kubernetes, GitOps (ArgoCD), and CI/CD tools such as GitHub Actions.

What you’ll be working on:

• Integrate with external billing and payment-related services and APIs;

• Troubleshoot and resolve issues related to payment flows;

• Implement and validate hypotheses aimed at improving key business metrics;

• Optimize system performance and reliability;

• Participate in architecture discussions, code reviews, and knowledge sharing.

What we offer

Flexible working environment - Our teams operate across the globe. We value in‑person collaboration in our hubs, but we also embrace remote and hybrid working. You can work from one of our offices in the United States, Poland, Romania or Ukraine, or remotely from many countries.

Competitive compensation and stock options - We offer salaries that reflect local market conditions and experience,  plus a performance-based bonus system and stock options so you share in the company’s growth.

Professional growth and learning - We invest in your development through courses, conferences, and access to learning resources. We encourage career growth and internal mobility, supporting teammates who want to explore new opportunities within airSlate.

Health and well‑being - We provide comprehensive benefits tailored to each country, including health coverage, wellness programmes and access to fitness options. We also dedicate quarterly company-wide Mental Health Days, when everyone takes time off to rest and recharge.

Family‑friendly culture - Family life is part of who we are, and we embrace it in many forms. From flexibility for parents to our airSlate Junior Club for kids, to company-wide family days and our pet-friendly approach, we’re committed to making work and life easier to balance.

Giving back - We support charitable initiatives around the world through the airSlate Care programme. Our current focus includes humanitarian aid in Ukraine and other regions, matching employee donations and supporting causes chosen by our teams.

Open communication - We encourage transparent dialogue at all levels. From team discussions to company-wide Q&A sessions with our CEO, we make sure everyone has the chance to be heard and to influence how we grow.