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.

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.

And now we are looking for a Senior AI Engineer to focus on building AI capabilities from the ground up in a greenfield environment, helping shape the foundations of how intelligence is embedded into the product. You will design and implement production-grade agentic workflows, pipelines, and AI-powered product experiences, going beyond simple model usage to create reliable systems that can deliver real business value.

This role requires strong ownership in evaluating frameworks, orchestrating deterministic and non-deterministic flows, and turning emerging AI technologies into scalable product capabilities. Will collaborate closely with cross-functional teams and senior engineers across the organization to define architecture, drive technical initiatives, and help establish the engineering standards for AI systems in a production environment.

What you will be working on::

Design and ship production AI features end-to-end — RAG, agents, document understanding, conversational interfaces — across LangGraph / LiteLLM / pgvector / Langfuse.
Drive technical architecture for the AI product line: LLM orchestration, evals, observability, latency / cost / reliability tradeoffs.
Own AI initiatives technically — from spec through production, including rollout and post-launch eval improvements.
Code review and architectural feedback across the team; mentor engineers on AI engineering practices.
Build and evolve eval frameworks and quality measurement for AI features.
Collaborate closely with PM, Design, and adjacent teams to shape AI features that work for real users at scale.
Bring proven patterns from the LLM ecosystem (frameworks, agent patterns, MCP, tool use) into the team.

What we expect from you::

8+ years of commercial software engineering experience (Python strongly preferred).
3+ years of shipping LLM / GenAI features to production at scale
Strong LLM system design: latency, cost, reliability, eval-driven development.
Hands-on with RAG in production and agent orchestration (LangGraph or equivalent).
Tool use / function calling, familiarity with MCP patterns.
Experience with observability and evals for LLM systems (Langfuse, Arize, or equivalent).
Ability to own architectural decisions and review others’ designs.
English: B2 (Upper-Intermediate).

What experience will help you::

Document understanding / OCR / structured extraction domain.
Postgres + pgvector at scale.
LLM proxy patterns (LiteLLM or similar).
Mentoring / tech-leading experience - only as an ambassador, no plans to grow AI team

Ready to shape the future of AI in production?

Join the group of AI ambassadors across airSlate, helping define how AI is built, scaled, and embedded into products used by millions. This is a greenfield opportunity to architect production-grade AI systems for a mission-critical product.

If you’re excited by real-world AI, complex tradeoffs, and meaningful technical ownership, let’s talk!

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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