Backend Software Engineer | Node.js | Horizons

Your day-to-day

• Build the engine behind Horizons - Design and develop backend systems and APIs using Node.js that power our vibe coding platform. Your code helps people create, collaborate, and ship faster.
• Own your services - Take ownership of backend features and services, learning to make architectural decisions with guidance from senior engineers.
• Optimize and scale - Work on API performance, database optimization, and system scalability. Learn production-level engineering from real challenges at scale.
• Integrate and innovate - Connect third-party APIs, implement data storage solutions, and help build features that users actually love.
• Quality matters - Write tested, documented, scalable code that creates business value. We'll help you develop a strong engineering mindset.
• Collaborate across the stack - Work closely with frontend developers, product managers, and other engineers to ship features that make an impact.
• Learn and level up - Get mentored on system design, performance optimization, and backend best practices. We're committed to your growth from mid-level to senior engineer

Your skills and experience

• 4+ years of experience with Node.js, TypeScript, and PostgreSQL or MySQL in production environments.
• Solid understanding of REST APIs and experience building them - you've shipped features that users depend on.
• Experience with message queues (RabbitMQ, BullMQ, GCP PubSub).
• Kubernetes, Docker, and containerization knowledge.
• Experience working with observability tools, such as Grafana or similar solutions.
• Testing mindset - experience with unit testing and integration testing (Jest, Mocha, or similar).
• Database knowledge - comfortable with SQL and at least one ORM (Sequelize, TypeORM, Prisma, or similar), Redis.
• Git proficiency - you've worked in team environments and know how to collaborate through version control.
• Self-starter mentality - you take ownership, ask good questions, and aren't afraid to challenge approaches when something feels off.
• Good communicator - you document your work, share progress, and collaborate effectively with cross-functional teams.

Nice to have

• Microservices architecture exposure.
• Performance monitoring and optimization experience.
• CI/CD pipeline familiarity.
• Experience with AI tools and LLM providers is a significant plus.
• Terraform experience.

Benefits for you

• 🚀 360 Growth: Limitless learning opportunities with access to Reforge, Couch Hub, global conferences, libraries, strong feedback culture, and mentoring through TesoXchange. We're invested in helping you level up from mid to senior.
• 🎯 Freedom & responsibility: Work from modern offices in Kaunas and Vilnius, home, or anywhere in the world. Flexible schedule, trust-based culture, and the space to bring your ideas to life.
• 💪 Wellness simplified: Health insurance from Day 1, gym memberships, recharge leave, Headspace subscriptions, and regular health checks. Join sports, arts, and hobby clubs or enjoy work-life balance.
• 🎉 Work hard - party hard: Company events like Summerfest & Winterfest, Town Hall, team-buildings, workations, Žalgiris Arena VIP Lounge access, and milestone gifts for life's big moments.

Compensation

• Gross salary 5,600 - 7,600 EUR/month. Specific compensation based on experience, competence, and growth trajectory.