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Senior Software Engineer

Sonio · Paris office · posted 2026-10-27
<h1>About Sonio</h1><p style="min-height:1.5em"></p><p style="min-height:1.5em">Each year, 140M children are born. Birth defects affect 1 in 33 births in developed countries, and in 50% of cases, they are not detected during prenatal examinations. Prenatal medicine is particularly complex, and the scans impose heavy responsibilities on healthcare professionals. They can also be a source of stress for future parents.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Resulting from 5 years of collaboration between world-renowned experts from Necker Hospital and Ecole Polytechnique, Sonio uses artificial intelligence to improve prenatal screening and diagnosis. Based on patented algorithms and a proprietary expert database, Sonio aims to become the reference tool to help practitioners improve screening, reduce diagnostic errors, and optimize pregnant women’s medical path.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Sonio's mission is to improve women's and children's health by promoting access and quality of care through technological innovation, medical expertise, and collective intelligence.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>About the role</strong></p><p style="min-height:1.5em"></p><p style="min-height:1.5em">We are currently building our next generation of products that provide real-time assistance to practitioners during fetal ultrasound examinations. We build systems that interface with ultrasound machines (multi-platform edge software), stream imaging data to our cloud (real-time web tech), interpret data and images using AI/ML, and push the results back to the practitioner’s interface (reactive web apps) - all in near real-time.</p><p style="min-height:1.5em">You will work especially on how Sonio connects with the outside world: integration with healthcare information systems (EHR) and interconnection with ultrasound machines.</p><p style="min-height:1.5em">Some of the key upcoming projects you will work on:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Scaling our data ingestion systems,</p></li><li><p style="min-height:1.5em">Refactoring how we ingest DICOM data into the system.</p></li></ul><p style="min-height:1.5em">This is a perfect role for a software engineer who really enjoys systems and building reliable systems when the volume increases a lot in a short amount of time.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>About the profile</strong></p><p style="min-height:1.5em"></p><p style="min-height:1.5em">Sonio is a mission-driven company, so interest in our mission is critical. Other requirements are:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">8-10 years of software engineering experience, with strong system design skills.</p></li><li><p style="min-height:1.5em">Experience with a data ingestion system fed by machines (industrial, IoT, or similar distributed machines), and an appetite for infrastructure and data ingestion problems.</p></li><li><p style="min-height:1.5em">Exposure to at least one of the following programming languages: Python/Ruby/Go/Javascript/Rust/Elixir/Java/C/C++ with the ability and desire to pick up others if needed.</p></li><li><p style=&qu

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