Note: The job is a remote job and is open to candidates in USA. Sedgwick is a company that values meaningful work and a supportive culture. They are seeking a Senior Backend Developer to lead the design and development of scalable backend systems, architect APIs, and optimize backend services for performance and reliability.

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

Skills

• 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
• 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
• Experience working in regulated or high-availability enterprise environments

Company Overview

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