Senior Backend Developer

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Senior Backend Developer

Sedgwick

• Full-time
• Remote
• $100k - $130k / year
• 4d ago

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

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