Software Engineer Backend (Cluj)

About the role:

The Knowledge Assist (KA) team at Cresta builds AI solutions that help contact center agents access the right knowledge at the right time.

Our projects include real-time generative assistance (GenKA) knowledge search (KS) retrieval-augmented generation (RAG) capabilities and knowledge connectors to integrate with customer systems.

We are looking for a software engineer who enjoys working across the stack and thrives in a dynamic fast-paced environment.

While this role leans toward backend development a full stack skill set is highly valued.

Responsibilities:

• Build scalable reliable backend services that power real-time AI assistance and search.
• Design APIs and data flows to support integrations with knowledge bases and customer systems.
• Work across the stack when needed including backend frontend and infrastructure layers.
• Collaborate closely with product managers machine learning engineers and fellow software engineers.
• Take ownership of projects end-to-end from design through implementation and operation in production.
• Contribute to technical discussions architecture reviews and continuous improvement efforts.

Qualifications We Value:

• Bachelor’s degree in Computer Science or a related field or equivalent practical experience.
• 3+ years of experience in software engineering roles.
• Strong backend development skills preferably with Python Go Node.js or similar languages.
• Proficiency in designing clear maintainable APIs (e.g.

  REST gRPC).

• Familiarity with frontend development (e.g.

  React or similar frameworks) is a plus.

• Experience working with databases (PostgreSQL ClickHouse Elasticsearch or equivalents).
• Solid understanding of system design distributed systems and cloud platforms (AWS GCP or Azure).
• Clear communication skills and a collaborative working style.