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AI-Driven Backend Senior Engineer

Remote: 
Full Remote
Contract: 
Full time
Work from: 
Belgium

Offer summary

Qualifications:

Master’s or PhD in AI or related field, 2 years of experience with Large Language Model (LLM) APIs, Strong theoretical background in AI technologies, Practical experience in developing AI-driven solutions..

Key responsabilities:

  • Integrate AI/LLM models into product workflows
  • Optimize AI model performance for latency, cost, and throughput
  • Design and maintain backend APIs and services using Node.js
  • Collaborate with cross-functional teams to deliver AI-driven insights.

Luzmo (formerly Cumul.io) logo
Luzmo (formerly Cumul.io) Startup https://www.luzmo.com/
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Job description

If you thrive on turning data into impactful solutions, enjoy tackling complex challenges, and are passionate about AI, we’d love to connect with you!

Luzmo is seeking a highly skilled and hands-on AI Engineer with a strong theoretical background and practical experience in applying AI technologies. The ideal candidate holds a Master’s or PhD in AI and has spent time the past 2 years working with Large Language Model (LLM) APIs. You will be responsible for designing, developing, and integrating AI-driven solutions into real-world applications, working closely with software engineers, and product teams.

Who We Are

Luzmo is an embedded analytics platform that enables software vendors to integrate interactive dashboards and insights directly into their applications. Founded in Belgium in 2015, Luzmo operates in over 33 countries, with core markets in North America and Europe. Rebranded in 2023 and backed by fresh funding, the company is set for significant growth.

Key Responsibilities:

  • Integrate AI/LLM models into product workflows (OpenAI, Hugging Face, etc.)

  • Optimize AI model performance (latency, cost, throughput)

  • Design, build, and maintain backend APIs and services using Node.js

  • Build internal tools and APIs for experimentation and prototyping

  • Ensure system reliability, scalability, and observability

  • Stay up to date with the latest advancements in AI/ML (LLMs, vector databases, LangChain, etc.)

  • Contribute to architectural decisions around AI infrastructure and backend systems

  • Collaborate with cross-functional teams to understand business needs and deliver AI-driven insights.

Required profile

Experience

Spoken language(s):
English
Check out the description to know which languages are mandatory.

Hard Skills

Node.js (Javascript Library)Artificial IntelligenceLarge Language ModelingApplication Programming Interface (API)Vector DataHugging Face (NLP Framework)System OptimizationCustom AttributesAI/ML InferenceOpenAI Gym

Other Skills

  • Collaboration
  • Problem Solving
Are you interested?

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