Senior PHP Developer

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, altaFlow, 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.

And now, we are looking for a Senior PHP Developer who is prepared to contribute to the next chapter of our company's growth.

The person will join the Payments Systems core team and take on the responsibility of integrating new payment gateways, running experiments, and maintaining the systems that power our users' payment experience while ensuring seamless and secure transactions.

As Senior PHP Developer, you will design and implement payment experiments, integrate new gateways, and optimize existing systems — with direct impact on the payment experience for millions of users.

What you'll be working on::
• Maintain and evolve the large codebase that powers our billing and payments service

• Integrate with external billing-related services and connect new payment gateways

• Solve production payment issues and keep the system reliable and secure

• Design and review software architecture for new payments features

• Implement hypotheses and run experiments to move core business metrics

• Write tests and contribute to a well-covered, high-quality codebase

• Analyze relevant metrics to inform decisions and validate experiment outcomes

What we expect from you::
• 4+ years of commercial programming experience

• Strong PHP skills (8.0–8.3) with production work in Laravel

• Experience with relational databases, preferably PostgreSQL

• Hands-on experience with Redis

• Comfort with Git and Docker in day-to-day workflows

• Solid understanding of software architecture and design principles

• Ability to assess task complexity, decompose work, and prioritize effectively

• A mature, self-driven mindset and the ability to take responsibility for tasks and whole features end to end

• Fluent Ukrainian or Russian

What helps you rock::
• Experience with payment systems

• Familiarity with Kubernetes

• Experience with GitOps (ArgoCD) and CI/CD pipelines (GitHub Actions)

• Familiarity with Grafana for observability

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.

It is airSlate's policy to comply with all applicable equal employment opportunity laws by making all employment decisions without unlawful regard or consideration of any individual’s race, religion, ethnicity, color, sex, sexual orientation, gender identity or expressions, transgender status, sexual and other reproductive health decisions, marital status, age, national origin, genetic information, ancestry, citizenship, physical or mental disability, veteran or family status or any other basis protected by applicable national, federal, state, provincial or local law. airSlate's policy prohibits unlawful discrimination based on any of these impermissible bases, as well as any bases or grounds protected by applicable law in each jurisdiction. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. airSlate is pleased to provide such assistance and no applicant will be penalized as a result of such a request. Pursuant to relevant law, where applicable, airSlate will consider for employment qualified applicants with arrest and conviction records.

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