Summary
✨ AI‑Generated
An experienced backend engineer is sought to build secure, scalable payment services and REST APIs for a large multichannel environment. You will work primarily with a modern Microsoft backend stack while integrating processors, gateways, financial institutions, wallets, and other external providers. The role covers the full transaction lifecycle and emphasizes reliability, observability, resilience, and high transaction success rates.
Highlights
Hands-on backend engineering role working on secure, scalable payment infrastructure supporting multiple transaction channels. Provides exposure to enterprise payment technology, financial integrations, reliability engineering, and high-volume transactional systems.
Description
We are seeking an experienced Software Engineer - Payments to develop secure, scalable payment services for a large, multichannel business.
This hands-on backend engineering role will support transactions across in-store POS, e-commerce, mobile, kiosk, and call center environments.
You’ll work primarily with C# and .NET while integrating payment processors, gateways, financial institutions, and other third-party platforms.
The ideal candidate has payments experience or a strong background in high-volume transactional systems and wants to expand further into enterprise payment technology.
Responsibilities
Build and enhance payment services and REST APIs using C# and .NET/.NET Core Develop integrations with processors, gateways, acquiring banks, digital wallets, and external providers Support authorization, capture, settlement, refunds, chargebacks, and transaction routing Improve retry logic, exception handling, failover, observability, and transaction success rates Troubleshoot production issues across applications, APIs, and third-party systems Participate in solution design, code reviews, incident response, and root-cause analysis Partner with Product, Architecture, and engineering teams to deliver reliable payment capabilities Write secure, maintainable, well-tested code for business-critical systems
Qualifications
Roughly five to ten years of professional software engineering experience Strong hands-on development experience with C# and .NET/.NET Core Experience building REST APIs and integrating third-party platforms Background with SQL Server, PostgreSQL, or another relational database Experience troubleshooting complex production or transaction-processing systems Knowledge of secure development practices and sensitive-data protection Strong analytical, communication, and collaboration skills
Experience with payments, fintech, banking, retail commerce, POS, or another transaction-intensive environment is highly valued.
Familiarity with PCI-DSS, EMV, tokenization, digital wallets, Kafka, RabbitMQ, Azure Service Bus, cloud platforms, or distributed systems is beneficial but not required.
