Fullstack Developer (JS, Ruby) - AirSlate

Job Title: Fullstack Developer (JS, Ruby)
Job Location: Wroclaw
Job Listing URL: https://jobs.lever.co/airslate/3999835d-371c-4640-8e85-a4a45af9ab06
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, 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.

DocHub

We are a small but ambitious team of 20+ technologists on a mission to succeed with our Google-integrated PDF editor and Signature solution – DocHub.

DocHub streamlines document editing, signing, distribution and forms completion to get your documents done. Offering a deep integration with Google Workspace, DocHub allows users to import, export, modify, and sign documents directly from Google apps to ensure smooth business processes and interactive workflows.

And now, we are looking for a Fullstack Deveoper (Ruby) who is prepared to contribute to the next chapter of our company's growth.
What you'll be working on:
Build, maintain, and optimize API-first backend services using Ruby on Rails
Develop and evolve front-end features using Vue.js, contributing to a structured migration from Ember.js
Collaborate across product and design to deliver reliable, scalable user experiences across the core product, editor, development server, and admin interfaces
Integrate and work with OpenAI and other third-party APIs, with an emphasis on practical application and system reliability
Contribute to AI-powered features by understanding prompt design, model behavior, and integration constraints
Support and extend multi-step AI workflows and automation patterns, with exposure to emerging technologies such as MCP servers (nice to have)
What we expect from you:
Three years working with Ruby, Rails, and AWS in a professional environment.
Proficiency with databases and SQL
Experience building and consuming APIs
Familiarity with testing tools and frameworks
Communicates proactively, concisely, and in a timely manner
Evaluates multiple methods/approaches to deliver the best result
Proactively communicates task status in a timely manner; listens and confirms understanding of requests or asks for clarifications where needed