Agentic Product Engineer Senior Saily (Tesonet Global, UAB)

Job description:
At Saily, were removing the hassle of staying connected while traveling no roaming fees, no plastic SIM cards, just lightning-fast, secure mobile data in 200+ destinations. Saily has millions of paying customers and hundreds of thousands of travelers browsing through Saily at any given moment.
To build the best product for our customers, we foster an AI-native Product Engineering culture, where:
The Engineer is the builder, who is responsible for solving customer problems end-to-end (idea to production)
AI Agents are the enablers who write most of the code and solve repeatable tasks to help the Engineers maximize their impact
Everyone contributes to making Saily effective by suggesting new areas for improvement to delegate to agents and then implementing the changes
Curiosity, learning, and sharing are everyone's responsibility
Customer, having a comfortable, connected, hassle-free journey is never lost from the focus
We value growth over comfort, contribution over hierarchy, and impact over process. At Saily, we believe in giving sharp people context, autonomy, and AI as their multiplier to allow them to just do their best work.
Main Responsibilities
Own problems end-to-endfrom idea to production
Deliver features without relying on fully defined or perfect specifications
Work directly with product, design, data, and other engineers
Operate in small, highly autonomous teams
Use AI agents for specifications, coding, analysis, testing, and iteration
Deliver 2x the output of a non-AI using a Senior Engineer
Improve our internal agent network and development workflows
Move across the stack when needed
Focus on user and business outcomes, not output
Requirements:
Proven experience designing, building, and deploying AI-native tools or applications within an organization, which has seen measurable, successful adoption
Proven experience building full-stack features across mobile or web applications (frontend + backend)
Comfortable operating with minimal guidance and with no initial acceptance criteria
Strong product mindset: focus on problems, outcomes, and impactnot just tickets or tasks
5+ years of development experience building something real (product, system, tool, startup, side project, meaningful feature)
Company offers:
Sharpen your edge Growth is built into how we work. Extensive online and in-person training programs, access to platforms like Coursera and Skillshare, a mentorship program, and internal career moves when youre ready for something new your development has no ceiling here.
Take the time you need Rest isnt a reward its part of the deal. Enjoy extra vacation days that grow with your time here, plus additional days off for sick leave, special occasions, and parenting.
Get premium healthcare Your health shouldnt be something you worry about. We provide premium private health insurance so you have peace of mind and fast access to care whenever you need it. Available in Lithuania and Poland.
Protect your peace A…