Backend Engineer | Senior | Go | Product & Startup Experience | Saily
Nord Security1 month ago
Kaunas, Lithuania or Vilnius, LithuaniaSenior
Responsibilities
- Own product features end-to-end, from shaping ideas with Product and Design through shipping, measurement, and iteration.
- Build features supporting multi-dimensional personalization, A/B experimentation, and analytics.
- Make technical decisions with a product-focused understanding of customer and business outcomes.
- Develop and maintain a high-quality, high-performance Go codebase.
- Mentor colleagues and improve engineering best practices.
- Influence team vision and long-range goals.
- Run R&D spikes when the technical path is unclear.
- Collaborate across engineering, product, and design in a cross-functional team.
Requirements
- 5+ years of backend development experience with strong skills in Python, PHP, Ruby, or similar technologies and readiness to work in Go daily.
- Experience at a product company, ideally a startup or scale-up where speed, ambiguity, and ownership are expected.
- B2C experience is strongly preferred, particularly building products for millions of users.
- Solid system design skills and the ability to select appropriate patterns.
- Experience with SQL databases including MySQL and PostgreSQL.
- Experience with NoSQL solutions including Redis and Cassandra.
- Experience with Kafka or similar event-driven systems.
- Ability to build APIs that are easy to use and understand.
- A collaborative approach to discussing, rethinking, and redesigning ideas.
- Experience building a personal product, startup, indie app, or other product taken from inception to real users is a bonus.
- Experience with Kubernetes and microservice architecture is a bonus.
- A track record of shipping experiments, testing hypotheses, and measuring impact is a bonus.
- Comfort working with AI-native tools including Claude Code, Codex, and Cursor is a bonus.
Benefits
- Training, mentorship, and opportunities for professional growth.
- Extra vacation days, sick days, and time off when needed.
- Fully covered private health insurance in Lithuania and Poland.
- Free subscriptions to Calm, Headspace, and Mindletic, plus resilience and mindfulness training.
- In-house gyms, sport cards, online workouts, and personal fitness guidance.
- A company-wide workation trip abroad.
- Work-from-anywhere flexibility.
- Gifts for birthdays, weddings, and new family members.
- Children’s summer camps and schedule flexibility for parents.
- Team-building activities and company events.
- Access to the Vilnius headquarters’ coffee bar, gyms, kids’ room, music room, and massage chairs.
Tech Stack
Apache CassandraApache KafkaAWSDockerGoGraphQLJetpack ComposeKotlinKubernetesMySQLNext.jsPHPPostgreSQLPythonReactRedisRubySQLSwiftUITailwind CSSTypeScript
Categories
About Nord Security
Nord Security builds consumer and business cybersecurity software under the Nord brand, including NordVPN, NordPass, NordLayer, and NordLocker. It sells subscription-based privacy and network security tools—VPN, zero-trust access, password management, encrypted storage, and threat exposure management—to individuals and companies globally. Founded in 2012 and headquartered in Vilnius, Lithuania, its products serve millions of users.