Lead Backend Developer (Payment Systems)– FoodTech | Global CompanyLocation:DublinWe're working with a globally established company in the foodtech industry that's continuing to scale its digital platforms and invest in engineering excellence. As part of this growth, they are hiring a Lead Backend Developer to take ownership of backend development and help build a new engineering team.Role OverviewAs a Lead Backend Developer, you will be responsible for designing, building, and maintaining backend services that power our payment processing systems. You will work with TypeScript in a environment, integrating multiple payment gateways and ensuring security, compliance, and reliability in every transaction.Key Responsibilities:Design, develop, and maintain backend services for payment processing using TypeScript ).Integrate with multiple payment gateways (e.g., Stripe, Adyen, PayPal, Worldpay).Implement support for various payment methods, including card payments, digital wallets, bank transfers, and local payment options.Ensure compliance with PCI-DSS and other relevant payment regulations.Build and maintain APIs for internal and external use.Optimise payment flows for performance, security, and user experience.Implement error handling for failed transactions, refunds, chargebacks, and subscription billing.Collaborate closely with front-end engineers, DevOps, and product teams in an Agile environment.Write unit and integration tests for payment-related functionality.Required Skills & Experience5+ years backend development experience.Strong TypeScript skills in a environment.Hands-on experience integrating with payment gateways (at least two of: Stripe, Adyen, PayPal, Worldpay, Braintree, Authorize.Net).Understanding of multiple payment methods — card payments, alternative payments, digital wallets, recurring billing.Knowledge of PCI-DSS compliance, tokenisation, and secure transaction handling.Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).Familiarity with RESTful APIs and asynchronous programming patterns.Proficient with version control (Git) and CI/CD workflows.Nice to HaveExperience with NestJS or similar TypeScript backend frameworks.Exposure to cloud platforms (AWS, GCP, or Azure).Knowledge of fraud detection systems or payment analytics.Experience with GraphQL.We're managing the recruitment for this position directly with the client. If you're a backend specialist ready to lead engineering initiatives in a global, product-driven environment—we'd love to hear from you.