Frontend Developer

At airSlate, our journey began in Boston, USA, in 2008. What started as a single product with 3,000 customers has grown into an influential tech company with 900+ team members across six offices worldwide. In 2022, airSlate reached a total valuation of $1.25 billion and became a 'Unicorn 🦄'. But even as we scale, team members remain our most valuable asset. That's why we've built a company that excites people about their work.

We develop products that serve over 100 million users with no-code workflow automation, electronic signature, and document management solutions. The company's portfolio of award-winning products, signNow, pdfFiller, DocHub, WorkFlow, Instapage, and US Legal Forms, empower teams to digitally transform the way their organizations run.

About the team

The Mobile Web Team is responsible for delivering a seamless and high-performing document editing experience on mobile web devices, with a strong focus on phones. The team ensures that core editing functionality, user interactions, and performance are optimized for smaller screens, touch input, and constrained device environments.

Team Goals and Mission

Our mission is to empower users to view, edit, and manage documents anytime, anywhere, from their phones — without compromising on speed, reliability, or usability. We aim to provide a mobile-first experience that feels native, responsive, and intuitive across all major mobile browsers.

What Funnel the Team Supports

The team contributes directly to the activation and engagement funnels, ensuring that mobile users can complete key document workflows — such as editing, signing, or sharing — without friction. A reliable mobile experience is critical for user conversion and retention in our product lifecycle.

Tech stack:

Frontend: React, Redux, Webpack, Websocket

Backend: Node, Redis (Valkey), PHP

Infrastructure: Kubernetes (K8S), Argo CD, Github Actions

Tools: Grafana, JIRA, Confluence, Quantive

What you'll be working on:

• Develop and Maintain High-Performance Frontend Features

Implement new features and enhancements for the pdfFiller editor using React, Redux, and WebSockets, ensuring smooth and responsive user experiences across web and mobile platforms.

• Ensure Code Quality and Maintainability

Write clean, scalable, and well-documented code. Contribute to code reviews and enforce best practices to maintain high code quality, test coverage, and performance.

• Collaborate Across Disciplines

Work closely with backend engineers, QA, product managers, and designers to deliver features from concept to production, ensuring alignment with business and user goals.

• Contribute to Technical Excellence

Optimize frontend performance, contribute to architectural decisions, and help scale the editor to support millions of users globally.

• Participate in Agile Processes and Continuous Delivery

Take part in daily stand-ups, sprint planning, and retrospectives. Contribute to planning, estimation, and iterative delivery of features, ensuring timely and reliable deployments.

• Continuously Learn and Share Knowledge

Stay up-to-date with industry trends and new technologies. Mentor less experienced teammates and actively participate in knowledge sharing within the team and across the unit.

What we expect from you:

• At least 3 years of JS or TS programming experience
• Experience with React, Redux (thunk, saga)
• Familiarity with Git
• Good understanding of algorithms and data structures.
• Experience with common front-end development tools such as Webpack, npm/yarn, etc.
• Experience with WebSockets
• Experience with unit testing

With us, you will grow professionally by doing work you are proud of and collaborate with a motivated and diverse team🚀.

What we offer:

— Flexible work environment — We value the advantages of in-person collaboration and prioritize work from our offices in Wroclaw or Bialystok. However, we also provide flexible work arrangements to accommodate remote or hybrid options and flexible scheduling.

— Bonuses and compensation — On top of a competitive base salary, we reward our team members' performance with a quarterly bonus to recognize achievements, time, and effort.

— Stock options — At airSlate, our team members are more than employees; they're business partners. We issue stock options that grant ownership in the company, allowing everyone to share in its growth.

— Professional growth opportunities — We are committed to ongoing improvement and welcome those passionate about learning. We cover professional development courses, conferences, literature, English classes, and more for each team member.

Health and well-being—We prioritize the health and well-being of our team. This is why we provide a Luxmed subscription, a Multisport card for every team member, access to the office's massage room, free lunches, and healthy in-office snacks to sustain your energy. Also, we provide all our team members with Mental Health Days, dedicated days off recognized globally to encourage people to log off and recharge.

— Open communication — We encourage transparent communication from all team members at airSlate. Feel free to share your thoughts, ideas, and concerns with our management team, CEO, any member of our leadership team, or any team lead at any time.

We are proud of: 

— airSlate Care for Ukraine — With a significant number of our team members in Ukraine, our foremost concern was ensuring their safety by providing both financial and logistical assistance to them and their families. What started as an immediate response has evolved into a cornerstone of the airSlate charity program. We match donations contributed by our team members, offer humanitarian aid to those affected by the conflict, distribute food packages to seniors, and support animal shelters. Our commitment remains steadfast in working towards restoring peace to Ukraine.

— airSlate Junior Club — Our sense of family extends beyond our team. All team members with children gain access to the airSlate Junior Club, featuring engaging events such as cooking classes, creative activities, and educational online games.

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 penalised 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.

Read our Recruitment Privacy Notice to Learn how we process your personal information.