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Luca M.-Senior AI Engineer · Production LLM Systems & Applied Research

Luca M.
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Available
Ancona, Italy

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Experience

May 2026 - Present
Remote

Research Engineer, AI Lab

Cracken

Position summary
Research Engineer, AI Lab at Cracken
Industries
Information Technology
Business areas
Information Technology
Product Development
Research and Development
Explore AI Engineer

UK-based applied AI lab for autonomous security analysis. Remote contract engagement.

  • Post-training of open-weight LLMs for the company's autonomous security-analysis product (AI integration, deployment on customer infra): domain-specific abliteration and fine-tuning to raise performance on specialised cybersecurity tasks.
  • Co-built RedLineBench (open, MIT): 153 grounded tasks scoring refusal and capability separately, weighted LLM-as-judge rubric, reference run across frontier and open models with two independent judges. Agentic benchmark in preparation.

Repository: [link] Write-up: [link]

Oct 2024 - Oct 2025
Remote

Senior AI & LLM Engineer

Replika

Position summary
Senior AI & LLM Engineer at Replika
Industries
Information Technology
Business areas
Information Technology
Product Development
Explore AI Engineer

Owned the rebuild of the conversational engine serving 35M+ global users, coordinating a team of 3.

Architected a hybrid RAG + preference-tuning stack: +40% user retention, +25% dialogue coherence on production metrics.

Cut inference latency by 30% through serving-path optimisation and a lightweight classifier replacing LLM calls, with safety and quality guardrails preserved.

Jan 2024 - Oct 2024
Remote

Co-founder & ML Engineer

AndromedAI

Position summary
Co-founder & ML Engineer at AndromedAI
Industries
Information Technology
Retail
Business areas
Information Technology
Product Development
Explore AI Engineer

Co-founded an AI e-commerce optimisation platform; raised €1.1M pre-seed.

Built an agentic pipeline that rewrites e-commerce product listings at scale, plus cross-encoder product classification at 95%+ accuracy on an open-set taxonomy over 100K+ products.

Oct 2023 - Present
Remote

AI Engineer & Core Contributor, semantic-router

Aurelio AI

Position summary
AI Engineer & Core Contributor, semantic-router at Aurelio AI
Industries
Information Technology
Business areas
Information Technology
Product Development
Explore AI Engineer

Long-running B2B engagement through GradientLabs since October 2023.

Core contributor to semantic-router, Aurelio's open-source decision layer for LLM apps (deterministic routing, cost/latency control) — 3,200+ GitHub stars, used in production by third parties.

Built retrieval, routing and evaluation components for enterprise RAG systems; shipped NLP solutions end to end.

Repository: [link]

Jan 2023 - Present
Remote

Founder & AI Engineer

GradientLabs (own consultancy)

Position summary
Founder & AI Engineer at GradientLabs (own consultancy)
Industries
Information Technology
Business areas
Information Technology
Product Development
Explore AI Engineer

B2B engagements alongside the roles above; long-running and project-based clients.

Aurelio AI — since Oct 2023, long-running engagement

  • Core contributor to semantic-router, Aurelio's open-source decision layer for LLM apps (deterministic routing, cost/latency control) — 3,200+ stars, used in production by third parties.
  • Built retrieval, routing and evaluation components for enterprise RAG systems; shipped NLP solutions end to end.

PolarFrequency, WritePal, Muze, XRIGLOBAL — project-based engagements

  • Design, ship and operate production LLM systems (RAG pipelines, agents, multimodal workflows) serving 600K+ MAU across clients, owning architecture, evaluation, deployment and observability end to end.
  • Typical engagement: take an LLM feature from prototype to production — retrieval and routing design, eval sets to catch regressions, cost/latency budgeting, monitoring — and advise founders on the AI roadmap.
Jan 2022 - Oct 2022
Remote

AI Consulting

Independent Consulting

Position summary
AI Consulting at Independent Consulting
Industries
Professional Services
Business areas
Information Technology
Product Development

Independent B2B AI consulting across project-based client engagements, including Muze, PolarFrequency, WritePal and XRIGLOBAL.

  • Design, ship and operate production LLM systems, RAG pipelines, agents and multimodal workflows, serving 600K+ MAU across clients.
  • Own architecture, evaluation, deployment and observability end to end.
  • Take AI features from prototype to production: retrieval and routing design, evaluation sets to catch regressions, cost/latency budgeting and monitoring.
  • Advise founders on the AI roadmap.
Feb 2020 - Sep 2023
Italy

Co-founder & Computer Vision Lead

RoboTO · Politecnico di Torino

Position summary
Co-founder & Computer Vision Lead at RoboTO · Politecnico di Torino
Industries
Information Technology
Business areas
Information Technology
Research and Development

Applied AI research for robotics: led the CV division, 3x faster YOLOv5/v8 inference on NVIDIA Jetson, SLAM and ROS2 integration for autonomous robots.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Retail, and Professional Services.

Information Technology
Retail
Professional Services
Profile match chart

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, and Research and Development.

Information Technology
Product Development
Research and Development
Profile match chart

Summary

AI engineer who takes LLM systems from research idea to production at scale. Rebuilt the conversational engine behind Replika (35M+ users) on a hybrid RAG + preference-tuned stack; core contributor to semantic-router (3,200+ GitHub stars); currently doing applied research on open-weight models at Cracken (post-training, abliteration, evals — co-author of the open RedLineBench). Range spans post-training, evals and retrieval down to distributed and edge inference (M.Sc. thesis on CNN inference on FPGA-based DPU clusters). Technical co-founder with a €1.1M pre-seed raised.

Based in Ancona, Italy (CET). Available part-time or full-time, remote, B2B.

Open source & research:

  • RedLineBench — refusal-vs-capability benchmark for offensive-cyber tasks; 153 prompts, two-judge reference run. [link] — write-up: [link]
  • semantic-router — LLM decision/routing layer (Python), 3,200+ GitHub stars. [link]

Honours: Pwnthem0le CTF team — #1 Italian team, 2 years; challenge author (m0lecon, CyberChallenge.IT).

LinkedIn: [link] GitHub: [link] Writing: [link]

Skills

  • Post-Training & Evals: Preference Tuning (Dpo), Sft, Lora And Full Fine-Tuning, Abliteration / Refusal-Direction Editing, Benchmark Design, Llm-As-Judge Calibration
  • Retrieval & Agents: Rag Architecture, Embeddings And Rerankers, Semantic Routing, Tool-Using Agents, Guardrails
  • Inference & Systems: Distributed And Edge Inference, Quantisation, Latency Optimisation, Fpga/Dpu And Jetson Deployment, Microservices
  • Stack: Python, Rust, C++, Typescript · Pytorch, Hugging Face, Vllm · Docker, Aws, Gcp, Redis, Postgresql, Vector Databases

Languages

Italian
Native
English
Advanced

Education

Politecnico di Torino

M.Sc. · Computer Engineering, AI & Data Analytics · Italy

Università Politecnica delle Marche

B.Sc. · Italy

Statistics

Experience

Total positions 7
Experience in Information Technology 6.5 y
Avg length 1 y 11 m
Longest experience 3 y 9 m

Global experience

Countries worked in 1 (Italy)
Primary country Italy

Expertise

Recent roles Research Engineer, AI Lab, Senior AI & LLM Engineer, Co-founder & ML Engineer
Main industries Information Technology, Retail, Professional Services
Main business areas Information Technology, Product Development, Research and Development

Qualifications

Highest degree Master

Profile

Member since
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Frequently asked questions

Have questions? Find more information here.

Luca is based in Ancona, Italy.

Luca speaks the following languages: Italian (Native), English (Advanced).

Luca has at least 7 years of experience. During this time, Luca has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 1 year and 11 months. Note that Luca may not have shared all experience and actually has more experience.

Based on recent experience, Luca would be well-suited for roles such as: Research Engineer, AI Lab, Senior AI & LLM Engineer, Co-founder & ML Engineer.

Luca's most recent position is Research Engineer, AI Lab at Cracken.

In recent years, Luca has worked for Cracken, Replika, AndromedAI, Aurelio AI, and GradientLabs (own consultancy).

Luca is most experienced in industries like Information Technology, Retail, and Professional Services.

Luca is most experienced in business areas like Information Technology, Product Development, and Research and Development.

Luca has recently worked in industries like Information Technology, Retail, and Professional Services.

Luca has recently worked in business areas like Information Technology, Product Development, and Research and Development.

Luca holds a Master in Computer Engineering, AI & Data Analytics from Politecnico di Torino and a Bachelor from Università Politecnica delle Marche.

Luca is immediately available full-time for suitable projects.

Daily rate distribution

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25% of experts charge less than €400 per day.
50% of experts charge between €400 and €800 per day.
13% of experts charge between €1200 and €1600 per day.
13% of experts charge €1600 or more per day.
<€400 €400-​800 €1200-​1600 €1600+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

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Daily rate avg. 638 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

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Median rate 600 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 5 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.