Python developer | Senior | AI Engineering | Saily

Come aboard with Saily, our new eSIM service designed for travelers and explorers! We’re bringing our expertise in cybersecurity to an essential product that makes travel effortless and more sustainable while cutting out surprise roaming costs.
And we’re already making waves, earning praise from trusted travel experts and tech reviewers: Lonely Planet has named Saily, their go-to eSIM for travelers, and PCMag.com has rated it an “Excellent” product! Join the Saily crew to build technology that connects the world while gaining global recognition.

Main Responsibilities

• Design, build, and maintain Python modules that integrate LLM Agents to the product
• Design and implement RESTful or gRPC APIs to expose LLM output and other business logic
• Architect scalable, maintainable backend systems that support Agent integration.

Core requirements

• 4+ years of experience with Python 3 (ideally version 3.8+), with a strong understanding of advanced features and best practices
• Familiarity with LangChain, including LangGraph agents (bonus point)
• Basic understanding of Go for context on how backend APIs and services are structured (bonus point)
• A proactive individual with a strong openness to new ideas and innovations
• Detail-oriented with the ability to collaborate effectively in a team environment
• A "can-do" attitude, with the ability to present well-reasoned proposals and make informed decisions based on solid arguments.

Salary Range

• Gross Salary 4400-7000 EUR/Month.

About Us
Nord Security is a global leader in internet privacy and security solutions and Lithuania’s second tech unicorn. Established in 2012, Nord Security now has more than 1400 employees and serves millions of users worldwide. Our team has a global mission to shape a more secure and peaceful online future for people everywhere. With that in mind, we built several advanced cybersecurity solutions: NordVPN, NordLayer, NordLocker, NordPass, NordProtect, NordStellar, and Saily.
And we’re always looking to expand our team of:• Future shapers• Restless achievers• Self-movers• Honest communicators• Team players
What We Offer
• Access to Nord Security products. We build solutions used by millions of users worldwide, and you’ll get to experience our products firsthand;• Professional growth. Internal and external events, online training, conferences, books - everything you need to reach full potential;• Health benefits. Private health insurance, online and on-site workouts, consultations to feel and be your best;• Mental wellbeing. Access to mental health tools like Calm, Headspace, and Mindletic. Options for therapy to keep your emotional wellbeing in check;• Team spirit. Team buildings and parties with games, shows, tastings, food coupons, gifts, and it’s on us;• More free time. Stay with us and additional vacation days will be added to your calendar;• Additional paid leave. Additional days are covered by us in cases of illness or special occasions;• Flexibility. Flexible working time arrangement.
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