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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Backend Engineer - **Company:** Lorven Technologies Inc - **Location:** Jersey City, NJ, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, C Sharp (Programming Language), Extract Transform Load (ETL), Data Loss, Data Transformation, Data Migration, Relational Databases, Distributed Systems, UN Electronic Data Interchange for Administration Commerce and Transport, PostgreSQL, Message Broker, Microsoft Message Queuing, Microsoft SQL Server, MySQL, Node.Js, RabbitMQ, Service-Oriented Architecture, Software Engineering, SQL Databases, Systems Integration, TypeScript, Management of Software Versions, Enterprise Application Integration, Data Ingestion, Large Language Models, SOAPAPI, Backend, Information Technology, Apache Kafka, Restful APIs, Pagination, Webhooks, Golang, Microservices - **Published:** September 26, 2026 - **Apply:** https://www.careerjet.com/jobad/usc789e82384c346ff88ee9bbea7601d10 ## About the Role * Bachelor's degree in Computer Science, Engineering, or related field, or equivalent experience. * Must have a 5+ years of professional experience in backend software engineering with statically typed languages (Java, C#, .Net, Go, or TypeScript/Node.js). * Good Experience in RESTful API Engineering: Demonstrated mastery in designing, versioning, and documenting production REST APIs (handling deep pagination, complex DTO mappings, and high-throughput payloads). * You should have a Relational Databases & SQL: Strong experience in relational data modeling (PostgreSQL, MySQL, or SQL Server), complex joins, foreign-key relationships, index optimization, and data migration scripting. * Must have Distributed Systems & Event Architecture: Hands-on experience with message brokers/event buses (e.g., Kafka, RabbitMQ, AWS SQS/SNS) and designing idempotent consumers for webhook and asynchronous event handling. * Good Experience in Enterprise Integration Patterns: Proven background integrating with third-party webhooks, REST/SOAP APIs, and handling retry strategies, circuit breakers, and distributed error handling. * Must have API & Service Architecture: Design, build, and maintain production-grade, secure RESTful APIs and microservices managing provider hierarchies, billing accounts, and payment lifecycle events. * You should have a Event-Driven & Webhook Systems: Implement reliable, idempotent event consumers and webhook ingestion pipelines to process asynchronous notifications (e.g., ACH NOC events, banking state changes) with zero data loss. * Data Migration & Modeling: Design normalized relational schemas and data transformation pipelines (DTOs, ETL backfills) to seamlessly migrate complex hierarchical records across platforms. * Prior experience in FinTech, Payment Processing, or Healthcare Payer/Provider Systems (familiarity with ACH, NACHA rules, NOC codes, TIN/NPI validation, or 835 EDI transactions) ## Description Senior Staff AI Engineer (Remote Eligible) At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an indust… + 10 hours ago, AI Engineer 4 (AI Foundations) At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in… + 9 hours ago, AI Engineer 4 (AI Foundations, LLM Customization and Finetuning) At Capital One, we are creating responsible and reliable AI systems, changing banking for good. 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