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September 2, 2026

Senior Fullstack Engineer - AI

Senior • Remote

Wroclaw, Poland

About airSlateairSlate 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.About SignNow team:We are a passionate and ambitious team of 100+ people on a mission to succeed with our award-winning signature solution – SignNow.SignNow empowers over 28 million people at companies across the world to move fast with everything they need to send and eSign their documents. Increase productivity with document workflows, impress customers, and save money while maximizing ROI with SignNow. What you will be working on:Delivering product features with AI coding agents as your primary implementation loop: writing specs and context-rich tasks that carry architecture, team standards, existing patterns, and acceptance criteria, then iterating until the output meets the barReviewing and verifying agent-generated code with the same rigor you would apply to a colleague's, catching the plausible-but-wrong before it reaches productionTaking full ownership of every feature end-to-end: clarifying requirements, understanding the problem, owning the quality and test coverage of what you ship, delivering to production, then monitoring behavior, performance, and regressions post-releaseImproving how the team works with agents: the shared context, rules, prompts, and guardrails that make everyone's agent output better, not just yoursConducting code and documentation reviews to ensure quality, share knowledge, and maintain consistency across the codebaseParticipating in duty rotations: monitoring production systems, responding to incidents, keeping services availableGrowing technically inside a team with a strong engineering culture, clean architecture, and a high bar for deliveryWhat we expect from you:5+ years of commercial software engineering experienceHands-on experience building production software with AI coding agents (Claude Code, Cursor, Codex or similar), including how you set up context, decompose work for an agent, and validate what comes back. Be ready to describe outcomes, not tool namesPractical commercial experience with PHP, Node.js or GolangHands-on experience with JavaScript, TypeScript, and ReactSolid SQL and experience with relational databases (MySQL, PostgreSQL, or similar)Working knowledge of Docker for application development and deploymentPractical experience with testing methodologies, and an opinion on what 'sufficient coverage' meansAt least basic knowledge of DevOps, CI/CD, AWS, and cloud-native solutionsAbility to write technical documentation using approaches like the C4 model and ADRsStrong task decomposition and prioritization skillsFluent English, written and spokenWhat we offerFlexible workingRemote, hybrid or office across US, Poland, Romania & UkraineCompetitive pay & equityMarket salaries, performance bonus & stock optionsGrowth & learningCourses, conferences & internal mobility opportunitiesHealth & well-beingHealth coverage, wellness & quarterly Mental Health DaysFamily-friendlyFlexibility for parents, Junior Club, family days & pet-friendly officesGiving backairSlate Care programme with donation matching & humanitarian aid

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