# Staff Backend Engineer, Payments, Consumer Apps

**Company:** [Attain](https://hotfix.jobs/companies/attain)
**Location:** Chicago, IL
**Role:** Backend Engineering
**Experience:** 5+ years
**Skills:** Rust, Go, SQL, Kafka, RabbitMQ, AWS, GCP, Azure, gRPC, GraphQL
**Posted:** 2026-04-01

> Design and scale backend microservices for high-volume payments and financial data infrastructure using Rust and Go. Build secure APIs connecting to banks and payment processors with strong focus on data integrity and compliance.

## Job Description

## 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 microservices using Rust and Go
- Expert knowledge of SQL and experience designing data models for financial data integrity
- Experience designing transactional and event-driven systems for payments, reconciliation systems, or ledger-like applications
- Experience with message queues or event streams (e.g., Kafka, RabbitMQ)
- Experience with cloud environments such as AWS, GCP, or Azure
- Familiarity with microservice or Service-oriented Architecture
- Experience using gRPC, protobuf, or GraphQL

## Nice-to-Haves
- 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)

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**Apply:** https://hotfix.jobs/jobs/staff-backend-engineer-payments-consumer-apps-at-attain-08377e3a-4528-40e6-aeca-4b43528bef29
**Canonical:** https://hotfix.jobs/jobs/staff-backend-engineer-payments-consumer-apps-at-attain-08377e3a-4528-40e6-aeca-4b43528bef29