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Software Engineer, AI Data - Lyon, France

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

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Salary: USD 30,000 - 100,000 / 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 was recently named Chrome Extension of the Year by Google and received Apple's 2025 Design Award for Inclusivity. With nearly 200 employees distributed globally and no physical office, Speechify brings together talent from major tech companies (Amazon, Microsoft, Google), leading PhD programs (Stanford), and high-growth startups (Stripe, Vercel, Bolt). You will join Speechify's AI team to build and maintain the data pipelines that power model training and next-generation AI products. The role focuses on discovering new audio data sources, constructing reliable ingestion pipelines, and optimizing large-scale data-processing systems for quality, throughput, and cost efficiency. You'll work closely with AI Scientists to enhance training datasets and support the development of advanced models. This is an ownership-oriented position where you'll drive engineering projects from discovery through implementation and continuous improvement. Key responsibilities include: discovering and integrating new audio data sources into training datasets; building and improving large-scale data-processing systems with optimization for data quality, throughput, and cost; collaborating with AI Scientists to enhance datasets and support model development; and taking full ownership of engineering projects from problem discovery through implementation and ongoing optimization. The company emphasizes autonomy, innovation, and asynchronous work culture. You'll have the opportunity to work at the intersection of artificial intelligence and audio technology, contributing to a product that makes a meaningful impact for 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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