Sr.
Software Engineer (Backend) - Fintech Infrastructure & PaymentsA fast-growing cross-border payments platform is hiring a Senior Backend Engineer to design and build the core systems powering global financial transactions.Role OverviewYou'll work with Node.js, TypeScript, and PostgreSQL to deliver scalable APIs that handle high-volume, high-integrity operations.Key ResponsibilitiesBuild and operate backend services using Node.js / TypeScript and PostgreSQLDesign APIs for financial transactions with idempotency, reliability, and developer-friendly integrationArchitect solutions for payments, ledgering, and reconciliationLead feature delivery from design to deploymentCollaborate with product, design, and infrastructure teams to align technical decisions with business goalsReview code, mentor peers, and raise the engineering barInvestigate and resolve production issues with a focus on root cause preventionHow You'll WorkTreat APIs and services as products—balancing robustness with developer experiencePrioritize simplicity, clarity, and scalability in architectureKeep security and compliance central to all decisionsDocument designs, runbooks, and decision records for knowledge sharingEngage openly in design reviews, code reviews, and incident postmortemsTech StackNode.js / TypeScriptNestJS or similar backend frameworksPostgreSQL + caching / queueingREST APIsGitLab (CI / CD)Docker, Kubernetes, AWSMonitoring tools (e.g., Datadog)Ideal Candidate5+ years of backend engineering experienceStrong expertise in Node.js, TypeScript, and relational databasesProven experience building APIs for financial or transactional systemsUnderstanding of payments, fintech, or transaction-heavy domainsFamiliarity with distributed systems concepts (idempotency, concurrency, data integrity)Excellent communicator and cross-functional collaboratorBonus SkillsBlockchain development (smart contracts, wallets, tokenization)Infrastructure knowledge : Kubernetes, AWS, TerraformExperience with event-driven architectures and real-time systemsCompensation & BenefitsCompetitive salaryEquity / options packageHealth stipendOffice stipendLaptop providedUnlimited leave policyInterview ProcessHiring manager interviewTake-home technical testTechnical interviewEqual Employment Opportunity statement : We are an equal opportunities employer and welcome applications from all qualified candidates.
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Senior Software Engineer • Xico, Veracruz, México