Senior Software Engineer

Summary:

• Duration: 6 Months
• Work Mode: Remote

Responsibilities:

• Lead the incremental modernization of a large, Oracle-centric system by extracting business logic and computationally intensive processing from PL/SQL into application and platform level components, implemented using modern languages and frameworks (e.g., .NET/C#).
• Design architectures that treat the database primarily as durable storage and efficient data access, while executing complex rules, detection logic, enrichment, and aggregation outside the database.
• Define processing strategies that may include in-process, distributed, stateful, or partitioned execution models, selected based on workload characteristics (batch, near real-time, scale, and data volume).
• Define and evolve the target architecture and technology stack, prioritizing open source ecosystems and vendor-neutral patterns.
• Design solutions capable of processing hundreds of millions of records across tenants, with attention to throughput, scalability, data isolation, and cost efficiency.
• Establish migration strategies that enable parallel execution, parity validation, and safe incremental cutover as logic is moved out of the database.
• Provide technical leadership as the product expands to integrate new clinical and operational data feeds, modular services and APIs, authentication and authorization capabilities, and internal and external integrations.
• Shape architectural standards for data ingestion, batch and near real-time processing, service boundaries, and API design.
• Ensure systems are scalable, observable, reliable, and auditable, appropriate for regulated healthcare environments.
• Remain hands-on, contributing to design and code while mentoring engineers and influencing technical direction across teams.

Requirements:

• 5-7 years of experience.
• Health industry experience is a must-have.
• Significant experience modernizing legacy, data-intensive systems operating at scale.
• Demonstrated success decoupling business logic and processing from relational databases and re-implementing it in application or platform level execution environments.
• Strong proficiency in C#/.NET or similar modern, multi-paradigm languages, with emphasis on modularity and testability.
• Deep understanding of SQL and relational databases, including performance tuning and making informed decisions about what belongs in the database versus outside it.
• Experience designing systems that handle large volume, multi-tenant data using batch, micro-batch, or near real-time processing approaches.
• Proven ability to define and execute incremental modernization strategies without disrupting production systems.
• Experience guiding systems as they evolve from product to platform, supporting multiple integrations and consumers.
• Strong communication skills and ability to influence technical and non-technical stakeholders.

Preferred Skills:

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
• Advanced degree is a plus but not required.