2 days ago
Lisbon, PortugalSenior
Responsibilities
- Own agents end to end, including prompts, orchestration graphs, tools, evaluations, deployment, and dashboards.
- Translate business and customer-service needs into agent capabilities, tool calls, and sub-agents.
- Build production transaction flows with step-up authentication, guardrails, idempotent case handling, and handoff integrations with Salesforce and Genesys.
- Extend evaluation infrastructure with LLM-as-judge rubrics, tool-trajectory assertions, and prompt A/B test suites.
- Engineer for model quality, cost, and latency using multi-provider routing, fallbacks, prompt caching, and smaller models where appropriate.
- Collaborate with software engineering, data science, MLOps, and platform teams and help other teams integrate agentic AI.
- Share agentic AI and LLM engineering knowledge with colleagues.
Requirements
- Strong hands-on software engineering experience with production ownership.
- Excellent Python skills and solid AWS cloud experience.
- Experience building and shipping tool-calling agents with LangGraph, LangChain, or equivalent frameworks.
- Hands-on experience with Anthropic Claude, OpenAI, AWS Bedrock, and open-source models such as Llama.
- Experience with prompt engineering, versioning, review, evaluation, and A/B testing.
- Knowledge and practical application of LLMOps, including tracing, evaluations, guardrails, token budgets, latency budgets, and continuous integration and deployment.
- Fluent English communication and willingness to collaborate across cultures.
- MCP, real-time voice AI including WebRTC, SIP, streaming STT/TTS, event-streaming pipelines, TypeScript/React, Genesys, or Salesforce experience is advantageous.
Benefits
- Hybrid work setup with two office days per week in Lisbon and flexible hours.
- 28 vacation days per year, an additional birthday day off, and one volunteer day annually.
- Private health insurance covering the employee, spouse, and children at no additional charge.
- Yearly Coverflex allowance and daily meal allowance.
- Exclusive SIXT service rates and family and friends discounts.
- Learning events and knowledge exchange with internal and external speakers.
Tech Stack
Categories
About SIXT
🔧 Präzision. Qualität. Erfahrung. Seit über 70 Jahren ist die Sixt GmbH zuverlässiger Partner in der Stanz- und Umformtechnik, im Werkzeugbau sowie in der Baugruppenmontage. Von der Produktentwicklung bis zur Serienproduktion – wir begleiten unsere Kunden ganzheitlich und mit höchsten Qualitätsstandards. 🌍 Zwei Standorte, ein Qualitätsversprechen: 📍 Magstadt (DE) | 📍 Jihlava (CZ) Mehr unter: 👉 www.sixt-gmbh.de #Umformtechnik #Stanzteile #Werkzeugbau #Automobilindustrie #SixtGmbH #MadeInGermany