[Remote] Senior React + Node Engineer (Financial background) - Remote - USA

Note: The job is a remote job and is open to candidates in USA. FullStack is one of the fastest-growing software consultancy companies in the Americas, delivering transformational digital solutions to top global companies and Silicon Valley startups. They are seeking a Senior React + Node Engineer with a financial background to integrate into client teams or work on FullStack product teams, focusing on building and delivering software solutions.ResponsibilitiesYou will integrate directly into our client's team and work alongside their existing designers and engineers dailyYou will work on a FullStack product team to build and deliver a product to our clientsSkills5+ years of professional software engineering experienceAdvanced English is requiredSuccessful completion of a four-year college degree is requiredExpertise in Node.js (specifically versions 18 through 22)Proficient in React, including hooks, state management (Redux/Redux Saga), and component architectureProven 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 reportsTrack record of designing and maintaining microservices and distributed systemsExtensive experience with PostgreSQL, including advanced SQL, schema design, and query optimizationWell-versed in REST API development using modern frameworks like Koa.js or ExpressDeep experience in ORM tools such as Objection.js, Sequelize, or TypeORMHands-on experience with AWS services (S3, SQS, RDS, EC2)Solid background in containerization using Docker and Docker ComposeDemonstrated experience with CI/CD pipelines (CircleCI, GitHub Actions) and GitOps practicesSkilled at implementing authentication systems such as JWT, OAuth, or MSAL (Azure AD)Strong history of testing discipline using Jest, Mocha, or SupertestPractical 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 plusAbility to work through new and difficult issues and contribute to libraries as neededAbility to create and maintain continuous integration and delivery of applicationsForensic attention to detailA positive mindset and a can-do attitudeExperience working on Agile/Scrum teamsMeaningful experience working on large, complex systems (50k+ lines of code)Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed uponAbility to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to themAbility to consistently work 40 hours per weekWe're Seeking Engineers Who Are AI-enthusiastic In Their Workflow. Professional Experience Or Personal Project Work With The Following Is a Significant PlusCursor, Windsurf, or Google AntigravityClaude Code, Gemini CLI, Codex, or Copilot CLIBenefitsCompetitive 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.Company OverviewFullStack is a leading software engineering and AI solutions company helping organizations modernize, innovate, and scale through intelligent technology and world-class AI-ready talent across the Americas. It was founded in 2013, and is headquartered in Brentwood, Tennessee, USA, with a workforce of 501-1000 employees. Its website is https://www.fullstack.com.Company H1B SponsorshipFullStack has a track record of offering H1B sponsorships, with 1 in 2022. Please note that this does not guarantee sponsorship for this specific role.