nexos.ai

Backend Engineer | Mid-Senior | Transition to Go at nexos.ai (Kaunas, Lithuania)

nexos.ai· Kaunas, Lithuania·

Role details

Work type
Hybrid
Employment
Full-Time

Job description

Join the AI revolution. We’re building an all-in-one AI platform to help teams do their best work and automate every routine task you can think of. We’re looking for problem-solvers to turn powerful AI into an easy, no-code tool for teams everywhere.

Main Responsibilities

  • Build and improve features that help our AI orchestrator deliver a personalized experience.
  • Write clean, reliable code with performance, scalability, and security in mind.
  • Work closely with other developers to design, build, and maintain our Go-based microservices.
  • Take end-to-end ownership of our services: from implementing them to deploying, monitoring, and improving them over time.
  • Work in a fast-paced, constantly evolving environment and enjoy adapting, learning, and shipping solutions at high speed.

Core Requirements

  • Experience in creating scalable, stable, and secure code with Golang, or with any of the following backend languages: PHP, Python, C#/.NET, Java, Kotlin
  • Experience working with distributed technologies and NoSQL databases, with a strong background in high-load applications and microservices architecture.
  • System design is nothing new to you - you're familiar with Domain-Driven Design principles and know what patterns to use when and why.
  • Passionate about secure, compliant backend architecture and technologies.
  • Comfortable balancing speed and quality in a startup environment.
  • A collaborative mindset where you love to discuss, rethink, and redesign your ideas that create shared success within your team and the company.

Tools You Will Use

  • Go
  • MySQL
  • gRPC
  • Kubernetes
  • Kafka

Salary Range

  • Gross Salary 3500 - 7200 eu/month.

What We Offer

  • Professional growth. Internal and external events, online training, conferences, books - everything you need to reach your full potential.
  • Health benefits. Private health insurance, online & on-site workouts (LT) / online workouts & sports access card (PL), consultations - to feel and be your best.
  • 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.

Why work at nexos.ai

  • Culture: “Strong community” with beer Fridays, quarterly OKR parties, team-buildings, and workations; “not a dull moment.”
  • Work policy: Hybrid – 3 days in-office (Vilnius or Poland), 2 days remote; some roles fully remote; digital nomad periods possible.
  • Perks: Private health insurance, 25 free psychotherapy sessions, premium mental health app (Calm/Headspace/Mindletic), on-site gym & classes, learning budget (courses, conferences, library), extra vacation days for loyalty and life events.
  • Engineering culture: “Innovate with industry experts”; technical tasks in hiring process; emphasis on Go, AI engineering, and product design.

Application questions