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Agentic Product Engineer | Junior | Full-stack | Saily

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Full Time
hybrid
Fullstack
Vilnius / Kaunas

At Saily, we’re 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 travelers browsing through Saily at any given moment.

To build the best product for our customers we foster 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.

We’re opening our doors to talented junior engineers - because impact isn’t measured in years of experience. It comes from your drive to learn, your discipline, and a sharp mind. It’s about building and shaping what’s around you - and Saily will give you the room to do exactly that.

What can you expect from us? Hands-on experience with AI-assisted software development, shared openly. Full freedom to use whatever learning resources you need to keep up. A product that’s successful, impactful, and technically challenging - something you’ll actually want to build.

Pack your skills, bring your vision, and join Saily!

Main Responsibilities

  • Delivers small tools/features with support from the team.

  • Collaborate with product, design, and other engineers.

  • Operate in small, highly autonomous teams.

  • Learn how to use AI agents for specs, coding, analysis, testing, and iteration.

  • Take part in the improvements of our internal agent network and development workflows.

  • Focus on user and business outcomes, not output.

Core requirements

  • 1+ year of software development experience building something real (product, system, tool, startup, side project, meaningful feature, or student project)

  • You value autonomy over stability and process

  • You enjoy working across layers instead of staying in one box

  • You think in problems and outcomes, not tickets

  • You are comfortable with ambiguity

  • You can learn new technologies quickly

  • You are curious about AI and excited to work with agents

Tools You Will Use

  • Backend: Go, MySQL, Kafka, Docker, Kubernetes, AWS, Redis

  • Frontend: Next.js, React.js, TypeScript, GraphQL, Tailwind CSS, Cloudflare Workers

  • IOS: SwiftUI, Xcode, Combine, SPM, MVVM Architecture

  • Android: Kotlin, Android Studio, Hilt, Coroutines, Jetpack Compose, MVVM Architecture

  • Infra: Linux, Docker, GitLab, ArgoCD, AWS, Terraform, Helm, OpenSearch, Prometheus, Python / Golang

  • AI tools: Claude Code, OpenAI Codex, OpenCode, Cursor with Composer

Salary Range

    Gross salary: 2800 — 3900 EUR / month

Perks we offer

Our global mission fuels our drive. But when you need that extra push - here’s a list of things to look forward to.

Apply for this job

Fullstack

Vilnius / Kaunas

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Current Location (Lithuania)

Are you currently based in Lithuania?

Are you ready for a full time work?

Are you ready to work full time (40h/week)?

Work model

Our work model in Lithuania involves work from the office every day during the probation period (first 3 months), and 3 days / week work from the office (Monday, Wednesday, Friday) upon completion of the probation. Would this arrangement work for you?

What is your experience with AI tools?

How did you hear about this role?

How did you hear about this role?

Nord Security is committed to building an inclusive workplace with a diversity of backgrounds. We welcome applications from people of all ages, gender identities, sexual orientations, racial identities, ethnicities, religious beliefs, and disability statuses. To reduce the chance of unconscious bias, you may submit your CV without a photograph or other redundant information like age or marital status.

We expect all candidates to provide accurate and complete information during the recruitment process. While limited use of AI tools to refine application materials is acceptable, candidates remain fully responsible for ensuring that their submissions reflect their own qualifications, skills, and experience. Any failure to do so may negatively affect participation in the recruitment process. If broader AI assistance is allowed for a particular role or stage, we’ll let you know in advance.

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Our values

Our values are rooted in the actions of our people. They describe how we solve problems, make decisions, and ultimately - reach our goals as a team.