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Software Engineer, AI Data - Porto, Portugal

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 globally in a fully distributed setting, with team members from Amazon, Microsoft, Google, Stanford, and high-growth startups like Stripe and Vercel. You'll join the AI team as a Software Engineer focused on AI Data, building the data pipelines and infrastructure that power model training and next-generation AI products. The role involves discovering new audio data sources, building reliable ingestion pipelines, and optimizing large-scale data-processing systems for quality, throughput, and cost efficiency. Key responsibilities: - Discover and integrate new sources of audio data into training datasets - Build and improve large-scale data-processing systems, optimizing for data quality, throughput, and cost - Collaborate closely with AI Scientists to enhance training datasets and support next-generation model development - Own engineering projects end-to-end, from problem discovery through implementation and continuous improvement You'll work in a dynamic, distributed environment that values innovation, autonomy, and asynchronous collaboration. The role offers the opportunity to work at the intersection of AI and audio technology, contributing to a product that has real 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 (GCP, Terraform) - Familiarity with ML training data, dataset quality, or audio processing

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