Custom software delivery with focus on financial services and quality engineering
One Logic is a 51–200-person software development consultancy in Île-de-France building bespoke applications for financial institutions. The tech stack (NET Core, React, SQL Server, Azure DevOps) and project mix (credit lifecycle systems, microservices coordination, structured finance testing) reveal a financial-services-specialist positioning. Hiring is concentrated in engineering roles at senior levels, with active work on quality automation and cross-regional deployment standardization—suggesting clients are complex, multi-jurisdiction operations.
One Logic delivers custom software development, mobile applications, and architectural consulting to mid-market and enterprise clients, with particular depth in financial services. The company operates from Meudon and works across Web, mobile, and backend domains (Java, .NET, React) with supporting practices in Agile coaching, DevOps, and TMA (Technical Maintenance & Assistance). Current project load emphasizes credit systems integration, microservices architecture, test automation, and multi-country deployment patterns. The organization is actively hiring engineers (predominantly senior-level) to scale delivery capacity.
NET Core, React, SQL Server, Azure DevOps, Git, Elasticsearch, Entity Framework, Jira, Playwright, Cucumber. Also: Power BI, Tableau, Postman, SoapUI for analytics and API testing.
Financial services projects: credit lifecycle integration, microservices delivery, structured finance test automation, Power BI dashboards. Also: IT process standardization, quality culture transformation, and multi-country deployment industrialization.
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