Relentless Talent · TX, United States
Skills: TypeScript, Node.js, Python, Java, C#/.NET, Kotlin, SQL
Please note: ONLY engineers currently living in Texas will be considered
We are building a new billing platform from the ground up and need the senior engineer who owns its core: the engine that moves claims and payments through their lifecycles, the background job system that runs every automated step, and the integrations with payers, clearinghouses and banks. Backend engineering on a money system, TypeScript on PostgreSQL on Azure, working directly with the CTO on a team that stays at two to four engineers.
The type of engineer we are seeking:
A backend engineer who has shipped a transactional system (payments, claims, orders, ledgers, anything where a row posting twice is a real problem) in a typed language, and who has been the one who found out when it broke.
Experience you must have:
Seven or more years of backend engineering in production, in a typed language: TypeScript or Node.js, C, Java, Go or Kotlin. TypeScript is what we use. A strong C or Java engineer who has not written much TypeScript is fine; a Python-only engineer is not. A relational database as their primary store for years. PostgreSQL preferred; SQL Server, DB2, Oracle or MySQL fine. They should be able to talk about transactions, locking and a deadlock they debugged. Built and ran something with background workers, queues and retries. The tool does not matter (Kafka, RabbitMQ, SQS, Azure Service Bus, Hangfire, Quartz, Sidekiq, Celery, a database table). The years running it do. Can explain idempotency and "what happens if the process dies between these two writes" from a system they built. Integration work against outside vendors: REST or SOAP APIs, SFTP file drops, fixed-width or EDI files, vendors who change their output without warning. Owned production. They found out their job broke before the business did and changed the design so it could not repeat. A formal on-call rotation is evidence, not the requirement.
Questions you will be asked:
"Tell me about a system you built where the same job mu…
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