Company Name: Astra (astrafi.com)

Job Details: Hiring,Remotely,in,United,States,Remote,160K-220K,Annually,Senior,level

Job Url: https://builtin.com/job/staff-backend-engineer/6645417

Job Description: Senior Backend EngineerLocation: Remote (US)Type: Full-timeExperience: 5+ yearsAbout AstraAstra is a high-impact engineering team building mission-critical financial infrastructure. Our fintech platform powers payment processing, fraud detection, and financial compliance for businesses handling 100M+ in weekly transaction volume. We maintain 99.9%+ uptime, process complex cross-border payments, and coordinate with multiple third-party financial services while meeting strict regulatory requirements.The RoleWe're looking for a Senior/Staff Backend Engineer to architect and build complex financial systems that process millions of dollars daily. You'll be one of our core engineers designing cross-domain solutions that coordinate payments, fraud detection, compliance, and user management across our distributed microservices architecture.This role requires deep systems thinking, technical leadership, and the ability to solve complex engineering challenges that span multiple domains and external integrations.What You'll DoArchitect Critical Financial Systems: Design and implement payment processing, fraud detection, and compliance systems that handle millions of dollars daily with strict regulatory requirementsLead Cross-Domain Solutions: Coordinate complex interactions between payments, fraud detection, user management, and compliance systemsDrive Technical Decisions: Lead architecture decisions that impact our entire platform and establish best practices for a growing teamMentor Engineers: Guide junior engineers and establish coding standards, design patterns, and engineering practicesOptimize System Performance: Improve reliability and performance across our distributed microservices architectureCollaborate Across Teams: Work closely with product and compliance teams to design systems that meet business and regulatory requirementsWhat We're Looking ForSenior Backend Engineer Requirements5+ years of software engineering experience building complex, production systemsDemonstrated systems engineering experience solving complex, cross-domain challengesStrong foundation in algorithms, data structures, and computer science fundamentalsExperience with distributed systems, event-driven architectures, and microservicesEducationBachelor's degree in Computer Science, Engineering, or related field requiredMaster's degree in Computer Science or Engineering from an accredited university highly preferredTechnical SkillsBackend Development: Python (we use Python 3), strong understanding of web frameworks and APIsDatabase Design: Experience with NoSQL and SQL databasesCloud Infrastructure: Google Cloud Platform, or similar cloud platformsArchitecture Patterns: Domain-driven design, clean architecture, CQRSSystem Design: Ability to design systems that balance performance, maintainability, and business requirementsPreferred ExperienceFinancial Systems: Payment processing, fraud detection, or compliance systemsFinancial Regulations: Understanding of AML, KYC, PCI DSS, or similar regulationsBanking Integrations: Experience with financial APIs and money movement systemsHigh-Scale Systems: Experience with systems processing high transaction volumesThird-Party Integrations: Experience coordinating multiple external service integrationsWhy This Role MattersDirect Impact: You'll be a big part of a small engineering team building systems that power a growing fintech platformArchitecture Influence: Lead technical decisions that will scale with our businessComplex Problems: Work on sophisticated challenges that few engineers get to solveTeam Building: Establish engineering practices and culture from the ground upFinancial Innovation: Build systems that enable new financial products and servicesWhat We OfferCompetitive compensation with equity in a growing fintech companyRemote-first culture with flexible working arrangementsSmall team, big impact - your work directly shapes our platformProfessional growth - lead technical decisions and mentor team membersModern tech stack - work with cutting-edge cloud technologiesMission-driven - build systems that power financial innovationRemote Work and CultureAstra is a remote-first company hiring only within the U.S. We value thoughtful collaboration, clarity, and initiative. We’re proud to be an equal opportunity employer and are committed to building a diverse and inclusive team.How to ApplyWe're looking for engineers who are excited by complex systems problems and have the educational background and experience to handle sophisticated challenges. If you're passionate about building mission-critical financial infrastructure and want to have a direct impact on our technical direction, we'd love to hear from you.