Open Select Rec · 1 day ago
Senior Backend Engineer – Financial Systems
Open Select Rec is a fast-growing financial technology company focused on developing crypto-backed credit and lending products. They are seeking a Senior Backend Engineer to design and implement core backend services for lending and payments, while ensuring the reliability and correctness of financial systems.
Responsibilities
Design and implement core backend services for lending, payments, and account state, owning these systems end-to-end
Build and evolve ledgering systems that track balances, interest, collateral, and obligations with strong financial invariants
Design event-driven architectures and orchestration workflows across asynchronous services, ensuring correctness, observability, and resilience
Build idempotent APIs, consumers, and background jobs that safely handle retries and partial failures
Operate what you build: stand up services, deploy, monitor, debug, and continuously improve reliability in AWS
Partner closely with product, legal, and leadership teams as new states and financial products are launched
Qualification
Required
5+ years of backend engineering experience, ideally within fintech, payments, lending, or financial platforms
Comfortable working on money movement, ledgering, and transactional systems where correctness and auditability are critical
Strong experience with event-driven systems, workflows, idempotency, and production operations
Background working in small, high-calibre teams, taking real ownership of core systems
Experience with modern backend stacks (Node.js/TypeScript, relational databases, AWS-based infrastructure)
Familiarity with crypto platforms or payment rails is a plus (API-level, not smart-contract focused)
Benefits
Full health benefits
401(k)
Hardware budget
Meal allowance
Company
Open Select Rec
At Open Select, we partner with some of the most ambitious startups and high-growth companies shaping the future of technology, from early-stage ventures backed by a16z, YC, and General Catalyst, to scale-ups driving transformation in FinTech, AI, and Deep Tech.
Funding
Current Stage
Early StageCompany data provided by crunchbase