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AttainAttainChicago, IL

Senior Backend Engineer, Platform, Consumer Apps

Senior Backend Engineer building and scaling microservices for Klover's fintech platform, focusing on real-time payments, financial data integrity, and integrations with banks and processors using Rust, Go, and event-driven systems.

Salary not listed
Hybrid5+ YOEBackend Engineering

About the role

Responsibilities

  • Build and evolve microservices that handle high-volume financial and transactional data
  • Design and implement APIs that securely connect to third-party payment processors, banks, and fintech partners
  • Write thoughtful & quality code that is readable, testable, and easily maintainable
  • Develop data-driven services that power account management, transaction history, and financial insights
  • Strive for excellent development practices and careful code architecture that is built around rapid releases
  • Work cross-functionally with backend, mobile, and product teams to consistently release high-quality, customer-focused financial features
  • Adhere to, and improve upon, our agile process through requirement documents, sprint retrospectives, and other regular cadence meetings

Requirements

  • 5+ years of experience building backend services in production environments
  • Experience building and scaling backend systems that support financial products and real-time payments
  • Experience in environments where data integrity, security, and performance are critical
  • Experience building microservices using Rust and Go
  • Experience in the financial technology, payments, or banking systems industry
  • Familiarity with compliance, security, and data privacy standards (e.g., SOC 2, PCI DSS, GDPR)
  • Experience designing transactional and event-driven systems for payments, reconciliation systems, or ledger-like applications
  • Familiarity with microservice or Service-oriented Architecture
  • Experience using gRPC, protobuf, or GraphQL
  • Expert knowledge of SQL and experience designing data models for financial data integrity
  • Experience with message queues or event streams (e.g., Kafka, RabbitMQ)
  • Experience with cloud environments such as AWS, GCP, or Azure

Nice-to-Haves

  • Willingness to learn and teach in a collaborative environment
  • Eagerness to leverage and develop using AI tools
  • Strong participation in an open feedback environment

Skills

RustGoSQLgRPCprotobufGraphQLKafkaRabbitMQAWSGCPAzureMicroservicesEvent-Driven Architecture
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