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Software Engineer (Python/C#) - AI & RAG - Remote

Posted 15 hours ago
Software Development
Full Time
Spain

Overview

We’re partnering with an innovative start-up to build the factories of tomorrow. They’re redefining “smart” for manufacturing SMEs with Industrial IoT, Data, AI and cloud—moving from visibility, to optimization, to LLM-powered agents that continuously improve production.

In Short

  • Build LLM-based workflows and agentic features for real factories.
  • Ship clean services in Python/C# and integrate with IoT/ERP/MES.
  • Design and implement LLM workflows and agents.
  • Own quality end-to-end including tests, reviews, and CI/CD.
  • Collaborate transparently and continuously improve services.
  • Evaluate AI in production with benchmarks and safety checks.
  • Work in a remote-first environment with occasional travel to Switzerland.
  • 3-5 years of software engineering experience required.
  • Strong skills in Python and C#/.NET are essential.
  • Experience with at least one LLM orchestration framework preferred.

Requirements

  • 3–5 years of software engineering experience (or equivalent impact).
  • Proven hands-on experience with Claude Code in production.
  • Strong orchestration mindset for designing systems and workflows.
  • Experience shipping at least one LLM product or serious POC.
  • Solid with datastores (SQL/NoSQL) and event/streaming basics.
  • Hands-on with RAG and vector/hybrid search backends.
  • Docker and CI/CD experience required.
  • Self-driven, outcome-oriented mindset.
  • English proficiency (min. C1).

Benefits

  • 23 days of holidays.
  • Learning budget for courses/conferences.
  • Top-tier hardware or BYOD budget.
  • Flexible hours.
  • Remote work (default).
  • Occasional travel to Switzerland.
  • Yearly strategic off-site.
apeirum logo

apeirum

Apeirum is a Swiss-Spanish consultancy that emphasizes innovation and collaboration, partnering with select clients to deliver high-impact technology projects. The company fosters a culture of high-performing teams driven by creativity and mutual support, celebrating achievements and overcoming challenges together. With a focus on cutting-edge HR tech solutions, Apeirum is dedicated to building lasting relationships based on trust and shared success, while offering flexible work arrangements and opportunities for professional growth.

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