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Senior Data Engineer – Speech Data Sourcing

CSHARK Sp. z o.o. · Remote, Wrocław, Bielsko-Biała · Hybrid · Senior

  • Remote, Wrocław, Bielsko-Biała · Hybrid

Indexed (today) · refreshed constantly

Budget
zł 120–190 / h
Start
ASAP
Work mode
Hybrid
Contract
Freelance / B2B
Seniority
Senior
Reference
AXDMHX7Z

Required skills

Job description

Project overview

You will join a CSHARK team delivering a project for our client, a technology company building on-device audio and speech products.

You will own how the client acquires speech data for training its models. You will manage vendors and recording campaigns end to end, and make sure every dataset arrives on time, on budget, at the agreed quality and with proper legal grounds.

IN SHORT:

What we expect

  • 100% remote or from the office (Wrocław, Bielsko-Biała)
  • You choose!
  • 120
  • 190 PLN/h
  • B2B contract
  • Manage speech data vendors, from sourcing and scoping to delivery.
  • Define recording protocols, acceptance criteria and quality control for deliveries.
  • Plan and track data acquisition budgets.
  • Build Python pipelines for audio and metadata processing and validation.
  • Version datasets and keep their lineage clear.
  • Ensure consent, licensing and GDPR compliance for biometric data.
  • Experience in data engineering, preferably with audio or speech data.
  • Strong Python.
  • Dataset versioning tools (e.g. DVC).
  • Experience working with external data vendors or annotation/recording providers.
  • Experience with data quality control and acceptance processes.
  • Understanding of GDPR, consent and data licensing (biometric data a plus).
  • Fluent English.

Nice to have

  • Knowledge of speech recording practices and audio formats.
  • Experience in ML/AI data operations.

Project details

  • Start: ASAP
  • Location: Remote, Wrocław, Bielsko-Biała
  • Rate: 120-190 EUR/h

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