ph3About the Company /h3 pWe are an early‑stage fintech company developing technology to modernize institutional financial infrastructure. Our mission is to simplify and automate complex financial operations with scalable software solutions. /p pOur platform enables financial institutions to manage structured financial products more efficiently by digitizing workflows, integrating dynamic data sources, and automating operations. We use modern cloud technologies and distributed ledger concepts as needed to build secure, reliable, and scalable systems. /p pWith support from leading investors, we are growing quickly and seeking exceptional engineers who are passionate about solving complex technical challenges and building impactful products. /p h3About the Role /h3 pAs a bSenior Full‑Stack Engineer /b, you will help design, build, and scale our platform. You will work across the technology stack and collaborate with product and engineering teams to deliver high‑quality solutions. /p h3Key Responsibilities /h3 ul liDesign, develop, and optimize scalable frontend and backend applications. /li liOwn features from concept through deployment and ongoing maintenance. /li liBuild clean, maintainable, and scalable software using modern engineering practices. /li liDevelop secure APIs and backend services for enterprise‑grade applications. /li liCreate intuitive user interfaces for complex business workflows. /li liContinuously improve system architecture,



development processes, and engineering standards. /li liContribute to code reviews, testing, documentation, and overall product quality. /li liExplore and implement new technologies that improve development efficiency and product performance. /li /ul h3Required Qualifications /h3 ul li5+ years of professional software development experience. /li liStrong experience building and deploying full‑stack web applications. /li liStrong proficiency in Python, including frameworks such as FastAPI, Pydantic, and modern Python development practices. /li liStrong experience with React and Next.js (v14 or newer). /li liExperience designing data models and working with SQL and NoSQL databases. /li liExperience building cloud‑native applications using AWS. /li liStrong understanding of software architecture, API design, and scalable distributed systems. /li /ul h3Preferred Qualifications /h3 ul liInfrastructure as Code (IaC), preferably using AWS CDK. /li liExperience with blockchain technologies and smart contracts. /li liBackground in fintech, banking, lending, capital markets, or financial services. /li liExperience working in startup or high‑growth environments. /li /ul h3Location /h3 ul liEurope preferred /li liHybrid work arrangement preferred /li /ul h3Compensation /h3 ul liPerformance‑based bonus /li liEquity/Stock Options /li /ul /p #J-18808-Ljbffr

📌 Senior Full Stack Developer (Madrid)
🏢 Guidant Solutions
📍 Madrid