Senior Backend Engineer I (AI Feature Builder)

Storyblok is a headless CMS that enables marketers and developers to create with joy and succeed in the AI-driven content era. It empowers you to deliver structured and consistent content everywhere: websites, apps, AI search, and beyond. Marketers get a visual editor with reusable components, in-context preview, and workflows to launch fast and stay on brand. Developers have freedom to use their favorite frameworks and integrate with anything through the API-first platform. Brands get one source of truth for content that is accurate, flexible, and measurable. Legendary brands like Virgin Media O2, Oatly, and TomTom use Storyblok to make a bigger, faster market impact. It’s Joyful Headless™, and it changes everything. WHAT IS IN IT FOR YOU You will be joining a growing company where you can contribute to many “firsts”. Plus these benefits: 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 As a fully remote company, with work-life balance at its core, you’ll enjoy flexible schedules An international team that loves to have fun at work and works hard together to accomplish shared goals JOB SUMMARY The Senior Backend Engineer I is responsible for designing, building, and evolving backend systems that power our flagship CMS platform. Works closely with product owners, designers, and fellow engineers to deliver scalable, reliable, and secure server-side solutions. This role operates primarily within a single team or well-defined backend domain and is accountable for successful delivery within that scope. You are expected to operate independently within your team, take ownership of complex features, and contribute to improving code quality, performance, and maintainability. Success in this role is measured by consistent delivery of high-quality backend solutions, strong ownership of production systems, and meaningful contributions to your team’s technical standards and execution capacity. ESSENTIAL JOB FUNCTIONS Own and deliver complex backend features and services using modern technologies (primarily Ruby on Rails; experience in other languages such as Python, Rust, or Elixir is valued). Contribute to the design and implementation of scalable APIs and backend logic that ensure high performance, reliability, and security. Take responsibility for the performance and scalability of your team’s backend systems, optimizing queries and data models using PostgreSQL and other storage systems. Write clean, efficient, secure, and well-documented code that follows established engineering standards and best practices. Implement and maintain automated tests as part of development workflows, contributing to continuous integration and deployment practices. Proactively identify and resolve bugs and production issues, balancing speed and quality while minimizing customer impact. Participate actively in code reviews, providing constructive feedback and upholding high engineering standards. Collaborate closely with product owners, designers, and other stakeholders to translate business requirements into sustainable technical solutions. Develop a strong understanding of the backend codebase and domain, contributing to documentation and knowledge sharing within the team. Support and mentor mid-level and junior engineers within the team, fostering a collaborative and respectful engineering culture. Take initiative to unblock teammates, resolve technical challenges, and contribute to the overall success of the team. EDUCATION AND EXPERIENCE 7+ years of relevant experience as a Backend Engineer, with at least 3+ years in Ruby on Rails preferred. Strong experience with at least one major backend framework (Ruby on Rails preferred; FastAPI, Flask, Express, or similar frameworks are a plus). Experience with PostgreSQL; familiarity with NoSQL or vector databases (e.g., Qdrant, Pinecone, or Weaviate) is a plus. Knowledge of tools such as Redis, Sidekiq, Memcached, or equivalents. Familiarity with modern AI/ML services or data-intensive workflows is desirable. Experience with automated testing frameworks (e.g., RSpec, PyTest, Jest) and CI/CD best practices. Solid understanding of design patterns, development best practices, object-oriented design, algorithms, and data structures. Experience with RESTful services and microservices; exposure to GraphQL is a plus. Proficiency with Git and modern development workflows. Experience with cloud-based infrastructure (AWS preferred; GCP or Azure a plus). Ability to write efficient, secure, well-documented, and clean code. Strong problem-solving skills and ability to work independently within a collaborative team environment. Strong written and verbal communication skills in a remote-first organization. Demonstrated ownership mindset and motivation to contribute meaningfully to Storyblok’s growth as part of a high-performing team. Bachelor’s or Master’s degree in Computer Science or a related field, or equivalent practical experience. MENTAL, PHYSICAL AND ENVIRONMENTAL REQUIREMENTS Remote (home) work opportunity or funded by Storyblok co-working space GENERAL TERMS 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. You can find more information about our privacy policy here. All communications regarding job opportunities at Storyblok will come from an official Storyblok employee with an email address ending in @storyblok.com. We will never redirect you to another portal or another site that is unrelated to our domain (storyblok.com). Here is a sneak peek of Storyblok’s Visual Editor If you need an accommodation for any part of the application process, please email talent.acquisition@storyblok.com