Sun Cloud Tech

Job Summary

We are seeking a highly skilled Senior Software Engineer with deep, hands-on expertise across .NET Core, Java Spring Boot, REST API development, and SQL Server performance engineering for our direct client in HealthCare Systems. This role is ideal for a true polyglot engineer who thrives in complex, enterprise-grade environments and can contribute to both application development and architectural decision-making.

You will work across modern microservices, cloud-native platforms, and high-throughput data systems helping shape scalable, secure, and maintainable solutions for mission-critical applications.

Key Responsibilities

Full-Stack Application Engineering

• Design, develop, and maintain enterprise-grade applications using .NET Core and Java Spring Boot.
• Build robust, secure, and scalable REST APIs with consistent patterns, versioning, and documentation.
• Implement microservices aligned with domain-driven design (DDD), clean architecture, and cloud-native best practices.
• Contribute to coding standards, design patterns, and best practices.

Database & Performance Engineering

• Design optimized SQL Server schemas, including tables, indexes, and partitioning strategies.
• Develop and tune Stored Procedures, Functions, Views, and Triggers for high performance.
• Analyze execution plans, resolve deadlocks, and eliminate performance bottlenecks in transactional workloads.

Cloud & DevOps Collaboration

• Work closely with cloud engineering teams to deploy and operate services in Azure (App Services, API Management, Key Vault, SQL Managed Instance, etc.).
• Contribute to CI/CD pipelines, automated testing, and observability instrumentation.

Cross-Stack Problem Solving

• Debug complex issues spanning application code, API integrations, SQL Server, and cloud infrastructure.
• Provide senior-level escalation support for production incidents and performance degradation.

Required Qualifications

Core Technical Expertise

• 8+ years of professional software engineering experience.
• Advanced proficiency in .NET Core (C#) — middleware, dependency injection, async programming, API development.
• Advanced proficiency in Java Spring Boot — REST controllers, Spring Data, Spring Security, microservices patterns.
• REST API design — authentication, authorization, pagination, error handling, OpenAPI/Swagger.
• SQL Server — stored procedure optimization, indexing strategies, query tuning, triggers, table design.

Polyglot Engineering Mindset

• Ability to work seamlessly across .NET and Java ecosystems.
• Strong understanding of serialization formats (JSON/XML), messaging patterns, and integration strategies.

Cloud & Infrastructure

• Experience deploying and troubleshooting applications in Azure (App Service, Functions, App Insights, Key Vault, etc.).
• Familiarity with containerization (Docker) and orchestration (Kubernetes) is a plus.

Architecture & Patterns

• Solid understanding of microservices, event-driven architecture, and distributed systems fundamentals.
• Experience with secure coding practices, API gateways, and enterprise integration patterns.

Soft Skills

• Strong communication and documentation skills.
• Ability to work in fast-paced, client-facing, or cross-functional environments.
• Ownership mindset with a focus on quality, reliability, and long-term maintainability.

Preferred Qualifications

• Experience in healthcare systems, HL7, or FHIR (nice to have).
• Exposure to Power BI data modeling or analytics workflows.
• Experience with performance profiling tools for .NET, JVM, and SQL Server.
• Familiarity with event streaming platforms (Kafka, Event Hubs, Service Bus).

Pay: $50.00 - $75.00 per hour

Experience

• .NET Core: 8 years (Required)
• Java: 8 years (Required)
• Microsoft SQL Server: 8 years (Required)

Work Location: Remote

Please send your resume directly to (make sure you include the job title in the subject of your email) jobs@SunCloudTech.com