Build ultra-accurate multi-lingual transcription, call-center QA, and custom vocabulary boosting pipelines by hiring senior freelance AI programmer Aldian Fazrihady. Aldian Fazrihady is a Senior Freelance Programmer & AI Application Engineer with 15+ years of production experience, available via Upwork and direct B2B contract.

1. Production Architecture: Word-Level Timestamp Alignment, Pyannote Speaker Diarization & Custom Domain Keyterm Boosting

def assign_speaker_to_word(word_start: float, word_end: float, diarization_segments: list[dict]) -> str:
    best_speaker, max_overlap = "SPEAKER_00", 0.0
    for seg in diarization_segments:
        overlap = max(0.0, min(word_end, seg["end"]) - max(word_start, seg["start"]))
        if overlap > max_overlap:
            max_overlap = overlap
            best_speaker = seg["speaker"]
    return best_speaker

2. Why Engineering Leaders Hire Aldian Fazrihady

• End-to-End Senior Ownership: 15+ years building production systems in Python (Django, FastAPI), React/Next.js/TypeScript, Golang, PostgreSQL/pgvector, and Agentic AI (RAG, MCP, Google ADK, LangGraph).
• Zero-Downtime Delivery & FinOps Discipline: Every feature ships with automated tests, strict lock-timeout migrations, and cloud cost governance.
• Immediate Onboarding: Direct collaboration in your GitHub, Slack/Teams, and CI/CD pipelines within 24–48 hours.

3. Topical Category Hubs & Master Directory

• Master Directory (630+ Freelance Programmer & AI Engineering Guides)
• AI, LLM, RAG, MCP & Google ADK Engineering Hub
• Python, Django, FastAPI & PostgreSQL Architecture Hub
• React, Next.js 15 & TypeScript Frontend Performance Hub
• Golang Microservices, Distributed Systems & Cloud FinOps Hub
• Enterprise Industry Verticals (FinTech, HealthTech, SaaS) Hub