Staff Software Engineer

Airslate; Poland; Hybrid; PLN 200,000 - 300,000; Full time

Benefits offered by this job

Flexible working environment

Stock options

Professional growth

Health benefits

Family-friendly culture

Giving back

Open communication

Job summary

airSlate is seeking a Team Lead PHP Engineer to join the Payments Systems core team. You will design and implement payment experiments, integrate new gateways, and optimize systems to power millions of users.

You will lead a small team, own features end-to-end, and collaborate with Product and Growth. Strong PHP (Yii2/Laravel), Go, and fintech experience are highly preferred, with fluency in English and Ukrainian/Russian.

Qualifications

• 6+ years of backend development experience and 1–2+ years leading or mentoring a small team.
• Strong PHP skills with Yii2 and/or Laravel.
• Relational databases such as MySQL and PostgreSQL.
• Git and Docker expertise.
• Software architecture design and testing discipline on high-load projects.
• Task estimation, decomposition, and prioritization against business goals.
• Cross-functional stakeholder communication and ownership.
• Professional English for daily collaboration.
• Fluency in Ukrainian or Russian.
• Payments or fintech domain experience.
• Kubernetes, GitOps (ArgoCD), and CI/CD (GitHub Actions).
• Go expertise.

Responsibilities

• Develop the payments and billing codebase and guide its technical direction.
• Lead experiments and gateway integrations end-to-end: scope, build, analyze, decide.
• Optimize payment systems for reliability, performance, and security.
• Lead people with 1:1s and PDPs; mentor and align the team.
• Maintain production payments and handle on-duty rotation.
• Collaborate with Product and Growth on payment initiatives.
• Use AI-assisted development in daily work; own tasks and features end-to-end.

Skills

PHP

Go

Payments/fintech domain

Team leadership

Technical design

Task estimation & planning

Cross-functional collaboration

English proficiency

Security & reliability

Software architecture

Tools

Git

Docker

Kubernetes

ArgoCD

GitHub Actions

Job description

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 theUnited 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.

Team Lead PHP Engineer

And now, we are looking for a Team Lead PHP Engineer 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.

• Develop the payments and billing codebase and contribute to its technical direction
• Take experiments and gateway integrations end-to-end: scope, build, analyze, deliver a verdict
• Optimize existing payment systems for reliability, performance, and security
• Lead people: run 1:1s and PDPs, mentor, keep the team aligned and resilient
• Maintain production payments and troubleshoot issues as part of an on-duty rotation
• Collaborate cross-functionally with Product and Growth on payment initiatives
• Use AI-assisted development in your daily work
• Maturity and self-sufficiency — owning tasks and whole features end-to-end
• 6+ years of backend development experience; 1–2+ years leading or mentoring a small team (tech lead / team lead)
• Strong PHP skills with a modern framework (Yii2 and/or Laravel)
• Relational databases (MySQL and/or PostgreSQL)
• Git and Docker expertise
• Software architecture design and testing discipline gained on high-load projects
• Task estimation, decomposition, and prioritization against business goals
• Cross-functional stakeholder communication — taking ownership and knowing who to ask
• Professional-level English for daily written and spoken collaboration
• Fluency in ukrainian or russian language
• Payments or fintech domain experience
• Kubernetes, GitOps (ArgoCD), and CI/CD (GitHub Actions)
• Go expertise

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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