[Remote] Senior Backend Engineer

Note: The job is a remote job and is open to candidates in USA. Usalco is seeking a Senior Backend Engineer responsible for designing, developing, and maintaining scalable backend systems and APIs. This role serves as a technical contributor within the IT organization and collaborates with various teams to deliver secure and reliable backend solutions.

Responsibilities

• Design, develop, and maintain scalable backend services, APIs, and application logic that support enterprise systems, SaaS platforms, customer-facing digital applications, and AI-enabled application functionality
• Build and maintain secure, scalable, and well-documented RESTful APIs and backend integration services that support frontend applications, enterprise systems, customer environments, and AI service consumption
• Design, optimize, and maintain relational database structures, client-specific database configurations, queries, stored procedures, indexing strategies, and secure data access patterns to ensure high-performance, reliable, scalable, and maintainable application operations. Support ongoing client database upkeep, configuration management, and compatibility with customer-specific deployment models and application requirements
• Develop backend application services that support scalable SaaS application functionality, including customer-aware application logic, tenant-aware APIs, secure authentication patterns, and compatibility with customer-specific database deployment models
• Implement scalable business logic, validation layers, workflow automation, and backend services that support operational processes, customer experiences, and enterprise application functionality
• Collaborate with AI Platform Engineering teams to integrate AI capabilities into backend services and customer-facing applications, including AI APIs, recommendation services, conversational interfaces, predictive workflows, and AI-assisted application functionality
• Collaborate closely with Frontend Development, DevOps, AI Platform Engineering, Data Integrations, UI/UX, and Enterprise Systems teams to define backend standards, API contracts, integration patterns, security practices, and scalable backend development best practices

Skills

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field
• 5+ years of experience in backend software engineering or full stack engineering roles with strong backend specialization
• Demonstrated experience building scalable backend systems, APIs, and application services in production environments
• Strong proficiency in backend development languages and frameworks such as Node.js, Python, .NET, or similar technologies
• Strong proficiency in SQL, relational database design, stored procedures, indexing strategies, query optimization, secure data access patterns, Row-Level Security (RLS) concepts, and backend data modeling
• Experience building and maintaining REST APIs, backend integration services, and scalable backend application architectures
• Experience supporting SaaS application functionality, customer-aware backend architectures, and tenant-aware application patterns
• Familiarity with cloud-native backend development concepts, containerized application environments, and deployment-ready application design within Azure or similar cloud platforms
• Familiarity with Infrastructure as Code (IaC), cloud-native backend development concepts, containerized application environments, and deployment-ready backend application design within Azure or similar cloud platforms
• Understanding of authentication, authorization, API security, encryption, and secure backend development practices
• Experience collaborating with Frontend Development, DevOps, AI Platform Engineering, Data Integrations, and Enterprise Systems teams in cross-functional environments
• Strong analytical, systems-thinking, and problem-solving capabilities
• Ability to clearly communicate technical concepts and backend architectural decisions to both technical and non-technical stakeholders
• Ability to work independently and collaboratively within cross-functional teams
• Willingness to travel occasionally (approximately 10%)
• Experience implementing Row-Level Security (RLS), secure backend data access patterns, and customer-aware application security models
• Experience integrating AI capabilities into backend systems, APIs, and customer-facing digital platforms
• Experience with Azure SQL, Azure Functions, Service Bus, Event Grid, or related Azure application and integration services
• Experience designing scalable SaaS backend application architectures and distributed application patterns
• Experience with observability, logging, monitoring, and backend application performance tooling
• Experience mentoring engineers or providing technical leadership across backend development initiatives

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