Freelance Software Engineer - Backend TypeScript

Swan · Cards & Card Issuing · Financial Software & Embedded Finance · TypeScript · 1 hour ago
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Location
Remote (France)
Seniority
Senior · 5+ years exp
Employment
Freelance

Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Nov 10, 2026. Swan scores A on the Alion truth index.

Overview
Company
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Swan

Swan is a Paris fintech founded in 2019 that lets any company embed banking features into its own product. Its application programming interfaces cover accounts, IBANs, cards and payments under Swan's own European licence. The platform is used by software vendors, marketplaces and fintechs across France, Germany, Spain, Italy and the Netherlands.
swan.io · HQ: Paris, France · Cards & Card Issuing · Financial Software & Embedded Finance · 11-50 employees · Est. 2019
Tech stack of Swan
Backed by Accel, Eight Roads, Founders Future

Join Swan, Europe's embedded banking specialist, as a Freelance Software Engineer. You will be technically responsible for one or more projects, solve problems in a demanding IT domain, design the bank by API, improve system performance, and ensure adherence to architecture rules and automated tests. You should have at least 5 years of experience as a Software Developer with proficiency in TypeScript, good mastery of back-end optimization topics, and hands-on experience with automated testing and CI/CD.

Missions

  • Vous serez responsable sur le plan technique d'un ou plusieurs projets, en veillant à respecter les règles d'architecture et les tests automatisés.
  • Vous aurez l'opportunité de résoudre des problèmes dans un domaine informatique exigeant, en concevant la banque par API avec l'équipe produit.
  • Vous travaillerez à l'amélioration des performances d'un système avec une charge en rapide croissance, en mettant en œuvre des optimisations.
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