via Gem
$120K - 200K a year
Design, develop, and maintain scalable backend services and APIs for digital receipt processing and partner integrations, focusing on high availability and data normalization.
Extensive experience with API integrations, transaction data, OAuth 2.0, and fintech domain knowledge, with a preference for experience in open banking or POS systems.
Meet Fetch Engineering At Fetch, engineering is driven by curiosity, ownership, and a bias toward action. We operate in complex problem spaces where the right answer is not always clear, and success depends on adaptability, critical thinking, and informed decision-making. Our engineers are comfortable navigating ambiguity, understanding tradeoffs, gathering context, and turning uncertainty into progress while maintaining high technical standards. Engineers at Fetch take pride in building reliable, scalable systems that serve millions of users. You will contribute directly to the codebase, collaborate closely with cross-functional partners, and help shape best practices that elevate the quality of our work. We foster a culture of mentorship and collaboration, where engineers grow by learning from one another and holding a high bar for quality, reliability, and impact. About the Role: Fetch is investing in the future of digital receipts. Today, we process tens of millions of receipts monthly through email scanning, mobile integrations, and retail partnerships, but we believe there is a much larger opportunity ahead. We are opening this role to explore a new vertical within our eReceipts platform. The focus is R&D at the intersection of open banking, Point-of-Sale systems, and consumer-permissioned financial data, finding new ways to access item-level transaction data that powers our rewards ecosystem. This is greenfield work: researching what's possible, prototyping approaches, and building the foundation for what comes next. This is a full-time role that can be held from one of our US offices or remotely in the United States. What you’ll do at Fetch (Role Responsibilities): Design, build, and maintain scalable backend services and APIs for digital receipt ingestion and processing Research and develop integrations with open banking platforms, POS systems, and merchant data providers to access item-level transaction data Build and manage integrations with retail partners, merchant platforms, and financial data providers Architect systems for high availability, reliability, and observability across multiple partner data sources Design data pipelines that normalize heterogeneous transaction and receipt data, including SKU-level detail, into a canonical schema Own the end-to-end lifecycle of partner integrations, from onboarding and authentication to data validation and monitoring Collaborate with mobile, product, and data teams to deliver end-to-end solutions Troubleshoot and resolve complex production issues with a focus on root cause Proactively improve service quality, scalability, and data accuracy Use AI-assisted tools such as GitHub Copilot or Claude Code to enhance code quality, automate documentation, and improve development velocity Mentor peers and contribute to a culture of technical excellence In your Toolbox (Minimum Requirements): Domain experience in one or more of: fintech, open banking, digital receipts, card-linked offers, Point-of-Sale systems, transaction enrichment platforms Experience building or consuming third-party APIs and partner integrations, including rate limiting, retry strategies, data contract negotiation, and multi-partner onboarding Experience working with transaction or receipt data, including ingestion, normalization, or enrichment of purchase, order, or payment data from multiple sources Strong understanding of OAuth 2.0 and secure credential management in a B2B or consumer-permissioned data context Commitment to code quality through automated testing and observability Strong communication skills and a collaborative mindset Ability to leverage AI tools for coding, documentation, testing, and code review Nice to haves/Bonus Points (Preferred Requirements): Strong programming skills in Go, or the ability to pick it up quickly Familiarity with service-oriented architecture patterns Experience with open banking APIs or financial data aggregation, including account linking, transaction access, or consumer permissioned data flows Experience with Point of Sale, POS systems or POS integrations, with an understanding of how item-level transaction data flows from POS terminals to downstream systems Experience with merchant account connectivity or account linking building systems that connect consumer accounts to merchant platforms and maintain persistent sessions Experience with webhook-based partner push architectures — designing idempotent ingestion endpoints, reconciliation, and data completeness monitoring Experience with reverse ETL or data warehouse sync patterns — where partners push data from their warehouses into operational systems Experience at a two-sided platform serving both consumers and merchants/brand partners
This job posting was last updated on 2/18/2026