Tech Lead, LLM & Generative AI

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NEXA Talent

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1 - 10 employés

Fondée en 2023

🎯 Recrutement

Recruitment

NEXA Talent est une agence de recrutement basée à Sofia, fondée par Dani, qui a commencé dans la recherche de cadres à Londres avant de retourner en Bulgarie pour mettre en relation les entreprises locales avec des candidats qualifiés. L'entreprise se concentre sur le sourcing, l'évaluation et la présentation de candidats à des employeurs potentiels tout en gérant les données personnelles des candidats de manière responsable et sécurisée. NEXA Talent opère depuis un espace de coworking à Sofia et conserve les informations des candidats à des fins de recrutement avec des pratiques claires en matière d'accès aux données et de confidentialité.

Description

• Act as a player-coach, combining system design and mentorship with active contribution to the codebase (primarily Python/PyTorch) • Own and continuously improve the core conversational loop, including context management, retrieval systems (RAG), and inference performance • Guide and develop a small team of AI engineers while maintaining a high bar for execution • Define and execute the approach to model improvement, including supervised fine-tuning and preference optimization techniques • Oversee data pipelines, including dataset sourcing, labeling, and quality control to improve model performance across different user contexts • Design and implement custom classification systems capable of detecting and filtering harmful or non-compliant content • Build nuanced moderation layers that go beyond binary decisions, enabling context-aware handling within a complex content environment

🎯 Exigences

• 8+ years of engineering experience, with a strong track record of delivering ML/LLM-driven features to large-scale, active user bases • Deep technical expertise in Python and modern ML frameworks such as PyTorch • Hands-on experience with the contemporary LLM ecosystem (e.g. inference engines, fine-tuning pipelines, evaluation frameworks) • Strong understanding of model behavior and alignment, including how prompting, sampling, and tuning influence outputs • Ability to operate effectively in a fast-moving environment, balancing technical rigor with speed of execution • High level of ownership, with a focus on long-term product quality, performance, and user experience • Comfort working within product environments that include uncensored or sensitive content domains

🏖️ Avantages

• Flexible engagement model, with a preference for long-term collaboration • Fully remote work environment • 20 days of paid time off annually • Annual in-person team gathering • Monthly health and wellness allowance, plus access to professional support services for employees and their families • Co-working budget to support flexible work setups • Dedicated learning and development budget • Company-provided laptop and home office support • Access to advanced AI and productivity tools to support experimentation and delivery