
Tidio
Tidio is a global leader in customer service software. The Tidio platform enables over 300,000 businesses worldwide to provide faster and more effective support to their customers.
About company Senior backend engineer – ai & cloud platforms
Remote
Lisbon
April 30, 2026
Full-time
24k-30k EUR
Senior Backend Engineer – AI & Cloud Platforms
As a Senior Backend Engineer, you’ll take ownership of designing and scaling high-performance services that operate in a cloud-native environment. You’ll work at the intersection of distributed systems, data pipelines, and AI integration, helping transform complex requirements into reliable and maintainable solutions.
This is a hands-on engineering role with a strong backend focus, suited for someone who enjoys working across system boundaries and influencing technical direction.
What You’ll Do
- Architect and deliver robust backend systems that support intelligent, data-driven features
- Build and evolve APIs and service layers consumed by multiple applications and platforms
- Design solutions for scalability, fault tolerance, and performance in distributed environments
- Integrate backend services with machine learning workflows and inference pipelines
- Develop and optimize data models and database interactions for both operational and analytical use cases
- Collaborate across teams to align on architecture, system design, and technical standards
- Enhance monitoring, logging, and system observability to ensure production reliability
- Contribute to automation, testing, and deployment pipelines alongside DevOps teams
Requirements
- Extensive experience (5+ years) building backend systems in production environments
- Proficiency in at least one modern programming language such as Python, C#, or Kotlin
- Strong foundation in database design and SQL
- Experience designing and maintaining service-based or microservices architectures
- Solid understanding of scalability challenges and distributed system patterns
- Ability to work across the stack when needed, while maintaining a backend-first approach
- Interest in or exposure to AI/ML-driven applications and data-centric systems
- Seniority level: Not Applicable
- Employment type: Full-time
- Job function: Consulting and Engineering
- Industries: IT Services and IT Consulting and Engineering Services