Senior Software Engineer - Data & AI Platform (m/w/d)

Location: Düsseldorf, Germany; onsite. Monthly in-person architecture sessions take place in Frankfurt.

Company

hirify.global develops an API-first event ticketing platform for global live entertainment organizers, handling more than 1 billion requests per month and serving over 10 million end users.

What you will do

• Build analytical query engines connecting MongoDB transactional backends with ClickHouse or related analytical event stores for sub-second aggregations.
• Develop and deploy RAG pipelines, semantic parsers, and agentic query supervisors that convert natural-language prompts into deterministic SQL and aggregation queries.
• Write high-performance Go or TypeScript/Node.js services for real-time reporting dashboards without degrading transactional processing.
• Design clean data schemas, strict audit trails, and automated evaluation suites to detect hallucinated data and metric drift.
• Collaborate with platform and security teams on data flows, sprint scoping, and architecture milestones during monthly in-person sessions in Frankfurt.

Requirements

• 5+ years of hands-on experience building high-throughput, distributed production services with Go, Python, or TypeScript/Node.js.
• Production experience with ClickHouse or closely related low-latency analytical engines such as DuckDB, Snowflake, or Apache Pinot.
• Practical experience with MongoDB and PostgreSQL.
• Production experience deploying RAG systems, function calling, evaluation frameworks, and supervisor architectures such as LangGraph, LlamaIndex, or custom orchestration layers.
• Strong understanding of distributed message streaming with Kafka, RabbitMQ, or cloud pub/sub mechanisms.
• High autonomy and a pragmatic, scrappy approach focused on reliable deterministic validation layers and proven databases.

Culture & Benefits

• Work on mission-critical live entertainment technology for global brands and millions of end users.
• Join a profitable, VC-backed scale-up with continued investment in people, products, and long-term growth.
• Collaborate with more than 160 professionals across six global offices.
• Work in a diverse, merit-driven environment where impact matters more than hierarchy or background.
• Participate in a fast-growing organization focused on learning, shared wins, and collective growth.