Senior Backend Engineer II (AI Feature Builder)

TL;DR

Senior Backend Engineer II (AI Feature Builder): Building and optimizing major backend subsystems and complex technical challenges for a headless CMS product with an accent on driving scalable, reliable, and secure solutions. Focus on designing robust backend architectures, improving system performance and reliability, and contributing hands-on to the codebase.

Location: Remote (Europe/LaTAM)

Company

hirify.global is a headless CMS that enables marketers and developers to create with joy and succeed in the AI-driven content era.

What you will 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 from problem framing to measurable stabilization.
• Design robust backend architectures and implementation plans that reduce operational risk and improve system performance.
• 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.
• Contribute hands-on to the backend codebase, delivering high-quality, secure, well-structured, and maintainable code.

Requirements

• 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).
• 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.
• Experience leading technical initiatives or large refactors across teams.

Culture & Benefits

• Monthly remote work stipend for home internet and electricity costs.
• Home office equipment package (laptop, keyboard, monitor) and upgrades (furniture) or membership to a local co-working space after onboarding.
• Sick leave benefit, parental leave, and 25 days of annual leave plus local national holidays.
• Personal development fund for courses, books, conferences, and material.
• Virtual Stock Option Plan (VSOP).
• Annual international team-building trip, quarterly and monthly online get-togethers.
• Enjoy flexible schedules with a focus on work-life balance in a fully remote company.