Senior Backend Developer
Sedgwick
Senior Backend Developer Job Responsibilities Lead the design and development of scalable backend systems that support enterprise applications and integrations. Architect, build, and maintain RESTful and event-driven APIs for internal and external consumers. Design abstraction layers that expose functionality from legacy systems in a secure, modern, and reusable manner. Develop middleware services to translate, normalize, and orchestrate data between legacy platforms and modern applications. Integrate with legacy systems using available interfaces such as SOAP, REST, JDBC/ODBC, message queues, flat files, or proprietary APIs. Build API gateways and service layers that handle authentication, rate limiting, logging, and monitoring. Design and implement data transformation logic to map legacy schemas to modern domain models. Develop asynchronous processing pipelines using queues, event streams, or batch processing frameworks. Optimize backend services for performance, scalability, reliability, and fault tolerance. Implement caching strategies and database performance tuning techniques. Create robust error-handling and retry mechanisms for unstable or high-latency legacy endpoints. Ensure secure integration using OAuth2, JWT, mutual TLS, SAML, or other enterprise authentication mechanisms. Work closely with enterprise architects and infrastructure teams to modernize legacy integration patterns. Participate in system decomposition initiatives, including incremental migration from monoliths to microservices. Write comprehensive unit, integration, and contract tests to ensure API reliability. Document API specifications using OpenAPI/Swagger or similar standards. Implement logging, tracing, and monitoring using observability tools. Support CI/CD pipelines for automated builds, deployments, and environment promotion. Troubleshoot production issues related to system integration, performance bottlenecks, or data inconsistencies. Mentor junior developers on integration patterns, clean architecture, and backend best practices. Qualifications Bachelor’s degree in Computer Science, Engineering, or related field. 7-10+ years of experience in backend software development. Strong proficiency in one or more backend languages such as Java, C#, Python, or Node.js. Deep experience designing and building RESTful APIs and microservices. Proven experience integrating with legacy enterprise systems. Experience working with SOAP services, XML, JSON, and enterprise messaging systems. Strong understanding of relational databases (SQL Server, Oracle, PostgreSQL) and query optimization. Experience with NoSQL databases and caching technologies such as Redis. Knowledge of API security standards and enterprise authentication mechanisms. Experience with containerization technologies such as Docker and orchestration platforms such as Kubernetes. Familiarity with API gateways, service meshes, and middleware platforms. Experience implementing asynchronous communication patterns using Kafka, RabbitMQ, or similar technologies. Strong understanding of distributed systems, scalability, and resilience patterns. Experience working in regulated or high-availability enterprise environments preferred. Strong analytical and troubleshooting skills with the ability to navigate complex system dependencies. Excellent communication skills and ability to collaborate across technical and business teams. Sedgwick is an Equal Opportunity Employer and a Drug-Free Workplace. #J-18808-Ljbffr Sedgwick
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