Full Stack Engineer

We are seeking a skilled Full Stack Engineer to join our dynamic team, focusing on developing features for an innovative web application aimed at transforming how individuals manage their significant expenses. Our platform enables users to make payments seamlessly while gaining valuable benefits, such as rewards and financial flexibility.About the Role
In this role, you will be responsible for building features that encompass both backend and frontend development. You will work on payment processing systems, APIs, and user-facing web experiences, ensuring that the applications are efficient, reliable, and user-friendly.You will take ownership of features from database and API design to frontend implementation and deployment, creating production-grade systems that facilitate real transactions and enhance the user experience.What You'll Be Doing
Develop end-to-end features on a Next.Js web application.Create payment processing functionalities, including inflows, outflows, and integrations with card networks and banking systems.Design and implement REST APIs to integrate with frontend applications.Build intuitive user-facing components using Next.Js and React, styled with Tailwind CSS.Utilize PostgreSQL (backend) and Firestore (web app) for effective data modeling and queries.Write clean, well-tested code in both TypeScript backend and frontend codebases.Design responsive and accessible web interfaces that work across desktop and mobile devices.Participate in code reviews, contributing to both backend and frontend developments.Troubleshoot and resolve issues across the full stack in various environments.Collaborate with product, design, and mobile teams to deliver cohesive features.Participate in on-call rotations for maintaining production systems.Who We’re Looking For
4-6 years of experience in full stack engineering, building production web applications.Strong expertise in Node.Js and TypeScript for backend development.Proficient in React and modern frontend development (experience with Next.Js is a plus).Familiarity with backend frameworks like NestJS or Express.Solid understanding of relational (PostgreSQL) and NoSQL databases (Firestore or similar).Experience in building and consuming REST APIs, with knowledge of API design principles.Proficiency in CSS frameworks (preferably Tailwind CSS) and responsive design.Understanding of authentication systems and security best practices.Experience with financial systems, payment processing, or related products.Strong testing practices for code quality in both backend and frontend.Ability to balance technical trade-offs to optimize backend performance and frontend user experience.Excellent communication skills and the ability to work collaboratively across teams.A proactive ownership mentality focused on code quality, system reliability, and user experience.Bonus Points
Experience with Next.Js and server-side rendering.Familiarity with NestJS or similar microservices architectures.Experience with Firestore or other NoSQL databases.Knowledge of authentication solutions like Clerk.Understanding of financial concepts such as ledgers and transactions.Familiarity with cloud platforms for deploying applications.Experience with payment integrations or banking APIs.Contributions to open-source projects.Design sensibility and experience working closely with product designers.
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