Senior Software Engineer

Job not on LinkedIn

🔥 5 minutes ago

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Extend

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

💳 Fintech

🏢 Enterprise

☁️ SaaS

Fintech • Enterprise • SaaS

Extend is a spend management platform that enhances the capabilities of existing company credit cards through its virtual card solutions. The company offers a web and mobile app that simplifies the control and management of company expenses. Extend's platform includes features such as virtual cards, expense tracking, bill payments, receipt management, and reconciliation. It also provides a flexible virtual card API that can be integrated into existing systems. Supported by a range of banks, Extend aims to improve vendor payments, manage employee spending, and provide real-time visibility over charges for businesses across various industries.

📋 Description

• Design and evolve the abstraction the rest of Extend builds on. • Build and operate the real-time systems behind card issuance, authorization, and settlement. • Build the mocks, canaries, and tooling that make partner systems testable. • Prove our data is right: detect divergence, resolve it deterministically, contain it before it propagates. • Bring new banks, issuer processors, and network partners online. • Own problems end to end: design, production reliability, on-call, and the consequences of your own decisions. • Use AI coding agents heavily.

🎯 Requirements

• Experience with comparable distributed systems, cloud infrastructure, relational databases, and backend frameworks • Worked on backend systems where correctness, reliability, and operational ownership actually mattered • Familiarity with external APIs you don't control • Real depth in at least one operational discipline: observability, integration testing, incident response, or performance work • Ability to explain technical trade-offs in understandable language to non-technical stakeholders • Bonus points for Event-driven or message-driven architectures, queues, streams, or ledger-like systems, Domain-driven design, Clean Architecture, SOLID principles, Functional programming, PCI, SOC 2, or other regulated financial environments, SRE experience.

🏖️ Benefits

• Competitive compensation package • Equity for all–our success is your success • Unlimited vacation–and we want you to use it • 401K matching • Flexible work options • Comprehensive health coverage for you and your family • Maternity and paternity leave benefits • Reimbursement for gym memberships • $5K referral bonus–bring your friends!