Role Description We're looking to hire a Senior React + Node Engineer (Financial background) to join our team. You'll work with our incredible clients in one of two ways: - Team Augmentation: You will integrate directly into our client's team and work alongside their existing designers and engineers daily. - Design & Build: You will work on a FullStack product team to build and deliver a product to our clients. Qualifications - 5+ years of professional software engineering experience. - Advanced English is required. - Successful completion of a four-year college degree is required. - Expertise in Node.js (specifically versions 18 through 22). - Proficient in React, including hooks, state management (Redux/Redux Saga), and component architecture. - Proven experience in designing and maintaining financial data reconciliation systems, with a focus on ledger accuracy, complex data aggregation, and the programmatic generation of audit-ready reports. - Track record of designing and maintaining microservices and distributed systems. - Extensive experience with PostgreSQL, including advanced SQL, schema design, and query optimization. - Well-versed in REST API development using modern frameworks like Koa.js or Express. - Deep experience in ORM tools such as Objection.js, Sequelize, or TypeORM. - Hands-on experience with AWS services (S3, SQS, RDS, EC2). - Solid background in containerization using Docker and Docker Compose. - Demonstrated experience with CI/CD pipelines (CircleCI, GitHub Actions) and GitOps practices. - Skilled at implementing authentication systems such as JWT, OAuth, or MSAL (Azure AD). - Strong history of testing discipline using Jest, Mocha, or Supertest. - Practical experience with APM tools like DataDog or New Relic and feature flag management (LaunchDarkly). - Solid understanding of financial or accounting systems (ledgers, reconciliation, etc.) is a plus. - Ability to work through new and difficult issues and contribute to libraries as needed. - Ability to create and maintain continuous integration and delivery of applications. - Forensic attention to detail. - A positive mindset and a can-do attitude. - Experience working on Agile/Scrum teams. - Meaningful experience working on large, complex systems (50k+ lines of code). - Ability to take extreme ownership over your work. - Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them. - Ability to consistently work 40 hours per week. Benefits - Competitive Salary. - Paid Time Off (vacation, sick leave, parental leave, and holidays). - 100% remote work. - The ability to work with leading startups and Fortune 500 companies. - Health, dental, and vision insurance. - 401(k) w/ 4% match. - Ample opportunity for career advancement. - Continuing education opportunities.