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Software Engineer, AI Data - Zagreb, Croatia

Speechify - Remote - Remote - posted 2026-10-20

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Salary: USD 30,000 - 65,000 / annual

Speechify is a text-to-speech platform used by over 50 million people to convert PDFs, books, Google Docs, news articles, and websites into audio. The company has ~200 employees distributed globally with no physical office, drawing talent from Amazon, Microsoft, Google, Stanford, and high-growth startups like Stripe and Vercel. You will join Speechify's AI team to build the data pipelines powering model training and next-generation AI products. The role focuses on discovering new audio data sources, building reliable ingestion pipelines, and optimizing large-scale data-processing systems for quality, throughput, and cost. You'll collaborate closely with AI Scientists to improve training datasets and support the development of next-generation models, taking ownership of engineering projects from discovery through implementation and continuous improvement. Key responsibilities include: - Discovering new sources of audio data and building reliable pipelines to ingest them into training datasets - Building and improving large-scale data-processing systems, optimizing for data quality, throughput, and cost - Collaborating with AI Scientists to enhance training datasets and support model development - Owning engineering projects end-to-end, from problem discovery through implementation and iteration The company emphasizes a dynamic, innovation-focused environment with autonomy, asynchronous work culture, and the opportunity to impact a product that serves people with learning differences like dyslexia and ADD. REQUIREMENTS: - Bachelor's degree in Computer Science or related field, or equivalent practical experience - 5+ years of professional software engineering experience with strong backend development fundamentals - Proficiency in Python and Bash in Linux environments - Experience building and operating production systems, ideally involving data pipelines or large-scale data processing - Strong problem-solving skills, initiative, and ability to work independently in ambiguous environments NICE TO HAVE: - Experience with web crawlers, data acquisition, or distributed data-processing systems - Experience with cloud infrastructure and Infrastructure as Code, particularly GCP and Terraform - Familiarity with ML training data, dataset quality, or audio processing

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