Storyblok is hiring a Senior Backend Engineer II (AI Feature Builder)

Storyblok is looking for a Senior Backend Engineer II (AI Feature Builder) to lead the development of complex backend subsystems and multi-cycle initiatives. In this role, you will take full accountability for the technical health and scalability of a defined domain, driving solutions that align with business priorities and elevate our engineering standards.

What You'll Do

• Be accountable for the technical health, scalability, and long-term sustainability of a defined backend subsystem or domain.
• Lead complex technical initiatives spanning multiple cycles with end-to-end responsibility from problem framing to measurable stabilization.
• Design robust backend architectures and implementation plans that reduce operational risk and improve system performance.
• Break down ambiguous or loosely defined problems into clear technical strategies with explicit trade-offs.
• Collaborate closely with Engineering Managers and Product to align technical solutions with business priorities and customer needs.
• Improve backend reliability by proactively identifying systemic risks, technical debt, and architectural bottlenecks within the domain and drive remediation.
• Contribute hands-on to the backend codebase, delivering high-quality, secure, well-structured, and maintainable code.
• Raise engineering standards through thoughtful code reviews, documentation, and technical guidance.
• Mentor mid-level and senior engineers across the Backend pillar, supporting their growth toward greater technical ownership.
• Support production stability by actively participating in debugging, root cause analysis, and long-term remediation efforts.
• Contribute to evolving backend development practices, testing strategies, CI/CD workflows, and performance optimization efforts.
• Act as a technical reference point within a defined backend domain, fostering alignment and reducing cross-team friction.

What We're Looking For

• 9+ years of relevant experience as a Backend Engineer, with demonstrated ownership of complex systems or subsystems.
• Strong experience with Ruby on Rails or comparable backend frameworks.
• Proven experience designing and implementing scalable APIs and backend services.
• Strong expertise in PostgreSQL and database design.
• Deep understanding of software design principles, testing strategies, CI/CD, and backend reliability practices.
• Experience working with distributed systems, background jobs (e.g., Sidekiq), caching layers (e.g., Redis), and cloud infrastructure (AWS preferred).
• Experience leading technical initiatives or large refactors across teams is highly valued.
• Strong problem-solving skills and ability to operate effectively in complex, evolving environments.
• Excellent written and verbal communication skills in a collaborative, remote-first setting.
• Bachelor’s or Master’s degree in Computer Science or equivalent practical experience.

Nice to Have

• Familiarity with NoSQL or vector databases (e.g., Qdrant, Pinecone, or Weaviate).
• Familiarity with modern AI/ML services or data-intensive workflows.

Technical Stack

• Ruby on Rails
• PostgreSQL
• NoSQL
• Vector databases (Qdrant, Pinecone, Weaviate)
• Sidekiq
• Redis
• AWS

Team & Environment

You will work closely with Engineering Managers, Product, and fellow engineers across the Backend pillar.

Benefits & Compensation

• Monthly remote work stipend (home internet costs, electricity).
• Home office equipment package right at the start (laptop, keyboard, monitor…).
• Home office equipment upgrade (furniture, ear plugs …) or membership to a local co-working space after your onboarding.
• Sick leave benefit, parental leave and 25 days of annual leave plus your local national holidays.
• Personal development fund for courses, books, conferences, and material.
• VSOP (Virtual Stock Option Plan).
• The annual international team-building trip, quarterly and monthly online get-togethers.
• Flexible schedules with work-life balance at its core.

Work Mode

This is a fully remote position open to candidates in Europe and LaTAM. We are an international team built on flexibility and work-life balance.

Storyblok has a commitment to diversity and inclusion. We strive to create a hiring environment in which all people feel they are equally respected and valued, irrespective of gender identity or expression, sexual orientation, ethnicity, age, religion, citizenship or any other characteristic.