We are on the lookout for a Principal AI/ML Engineer

As a Principal AI/ML Engineer at Symphony, you’ll lead AI initiatives for general enterprise clients—shaping solutions, building PoCs, and architecting production‑ready ML systems across domains from creative audio/video to complex business workflows. This is a hands‑on technical leadership role where you define strategy, design end‑to‑end architectures, build core components, and set the technical standards for each engagement.

Responsibilities
- Translate business challenges into AI/ML solutions; lead discovery workshops.
- Build and present PoCs to validate feasibility and value.
- Contribute technical input to proposals, scoping, and estimations.
- Develop models across NLP, CV, audio, and generative AI.
- Lead fine‑tuning and PEFT methods (LoRA, QLoRA, instruction tuning).
- Assess architectural trade‑offs: fine‑tuning vs. prompting vs. off‑the‑shelf.
- Architect scalable deployments (APIs, batch, real‑time).
- Implement CI/CD for ML: automated training, evaluation, versioning, deployment.
- Define monitoring,



drift detection, and optimization standards.
- Collaborate with data engineers on pipelines and feature engineering.
- Stay current with foundation models and multimodal innovations.
- Set coding standards and lead design/architecture reviews.
- Mentor engineers and guide research‑to‑production workflows.
- Communicate technical decisions to both engineering and executive audiences.

Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
- Minimum 10+ years in software engineering or ML, with 5+ years focused on production ML systems.
- Strong background in consulting, professional services, or client‑facing technical leadership.
- Track record of delivering ML solutions across multiple domains or industries.
- Expert Python; strong software engineering fundamentals.
- Deep experience with PyTorch or TensorFlow and modern

📌 Principal AI/ML Engineer (Medellín)
🏢 Symphony Group
📍 Medellín