Full Stack Developer

YamSoft UAB specializes in customized software development and AI-driven solutions for the fintech industry, ensuring seamless, secure, and efficient transactions. Based in Lithuania, we are at the forefront of AI integration for payment gateways. We focus on delivering high-performance, scalable, and secure systems for businesses worldwide.We’re looking for a Full Stack Developer with experience in .NET and React to help us develop and maintain scalable, reliable web applications in a collaborative environment. What You’ll Be Doing:Build and maintain scalable, performant APIs using C#/.NET (ASP.NET Core)Develop clean, efficient user interfaces with React + TypeScriptCollaborate with cross-functional teams (Product, QA, DevOps)Follow best practices in architecture, testing, and documentationContribute to code reviews, CI/CD pipelines, and system design decisionsWhat You Bring:5+ years of experience in software developmentStrong knowledge of C#, .NET Core (Web API, EF Core)Solid experience with React, JavaScript/TypeScript, HTML/CSSComfortable working with SQL databases (MS SQL, PostgreSQL)Familiar with version control (Git), RESTful APIs, and Agile practicesProactive attitude, strong communication, and a love for clean codeNice to Have:Experience in fintech or payment solutionsFamiliarity with payment gateways (Stripe, Adyen, etc.)Understanding of PCI-DSS, 3D Secure, or fraud prevention flowsKnowledge of Azure, Docker, or microservices architectureThe salary range for this position is €3000–€4000 gross per month. The final offer will be made based on experience, skills, and overall match.