← All roles

Staff Software Engineer, Backend (Iasi)

Cresta· Engineering
Apply on company site
Hybrid (Iasi, Romania)Full-timePosted 3mo ago

About the role

Staff full-stack engineer with backend focus to help build Cresta Insights and a state-of-the-art Customer Data Platform, delivering timely, actionable insights to drive business growth. Hybrid in Iasi, Romania, remote-first with plans for future hybrid/onsite setup.

Responsibilities

  • Design, implement, and maintain backend services and APIs to support applications.
  • Build and optimize data storage solutions using Postgres, ClickHouse and Elasticsearch to ensure high performance and scalability.
  • Collaborate with cross-functional teams, including frontend engineers, data scientists, and machine learning engineers, to deliver end-to-end solutions.
  • Monitor and troubleshoot performance issues in distributed systems and databases.
  • Write clean, maintainable, and efficient code following best practices for backend development.
  • Participate in code reviews, testing, and continuous integration efforts.
  • Ensure security, scalability, and reliability of backend services.
  • Analyze and improve system architecture, focusing on performance bottlenecks, scaling, and security.

Qualifications

  • Proven experience as a Backend Engineer with a focus on database design and system architecture.
  • Strong expertise in ClickHouse or similar columnar databases for managing large-scale, real-time analytical queries.
  • Hands-on experience with Elasticsearch for indexing and searching large datasets.
  • Proficient in backend programming languages such as Python, Go.
  • Experience with RESTful API design and development.
  • Solid understanding of distributed systems, microservices architecture, and cloud infrastructure.
  • Experience with performance tuning, data modeling, and query optimization.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and teamwork abilities.

Skills

Required:Backend engineeringPostgresClickHouseElasticsearchPythonRESTful API design
Nice to have:Go

Benefits

  • Base salary, equity, and a variety of benefits (compensation details based on candidate experience, skillset, and location).
Last updated Sep 17, 2026. Interested? Apply on the company site.

About Cresta

AI Agents for Every Customer Conversation | Cresta

AI Agents for Every Customer Conversation | Cresta

AIAI AgentAutomationCXCrestaCustomer ExperiencePlatformorchestration
Company profileWebsite

More open roles at Cresta