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Senior Backend Engineer

Budapest💼 Full-time🗓 2025-12-16 → 2026-09-26

Core

Design, build, and scale core data and agent infrastructure systems that transform unstructured signals into structured intelligence for SMBs and enterprises.

Role type

Senior Backend Engineer (Data Infrastructure & AI Agents)

Builds

Resilient backend services, APIs, and data pipelines powering CRMs, data warehouses, and AI-powered agents.

Domain

Enterprise data infrastructure, AI/ML agents, and high-volume signal processing.

Deliverable

production ML models | product features | infrastructure

Required skills

Scala, Python, distributed systems, data modeling, high-volume pipeline design, system reliability, observability, performance optimization, code quality automation, mentorship.

Preferred skills

Greenfield system design, functional/JVM language expertise, AI/ML productization experience, next-gen AI tooling adoption.

Technologies

Scala, Python, distributed systems frameworks, observability tools, AI/ML frameworks.

Responsibilities

Design and build resilient backend services and APIs; Own critical data pipelines from ingestion to delivery; Prepare systems for 100x data growth; Build reliability and test coverage into code; Improve performance and scalability; Work with data/ML teams to productize AI agents; Mentor engineers through design reviews and pairing.

Seniority

Senior, hands-on IC with mentorship responsibilities.

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