Senior Platform Engineer

Requirements:

• You bring at least 6 years of professional software engineering experience, including 3 or more years building production systems with C# and ASP.NET Core.
• You are proficient in React, TypeScript, API development, and refactoring existing applications.
• You have hands-on experience with a major cloud platform—Azure, AWS, or Google Cloud—and HIPAA-eligible services. For Azure, relevant knowledge includes App Service or Container Apps, Key Vault, Entra ID, and monitoring tools.
• You have worked with multiple relational databases, such as SQL Server, Azure SQL, PostgreSQL, or MySQL, and can design databases, manage migrations, and optimize performance.
• You have developed secure applications handling PHI under HIPAA or other regulated-data frameworks, such as PCI or SOC 2.
• You understand cybersecurity practices, including OWASP Top 10, OAuth 2.0/OIDC, access controls, and secure data management.
• You have implemented structured testing, including unit, integration, and contract tests using synthetic data.
• You have used AI-assisted development tools, such as Claude Code, for coding, testing, or code review, and can validate their outputs and identify security risks.
• You understand AI data security, including HIPAA compliance, PHI protection, and the use of synthetic data in development and testing.
• You bring strong critical-thinking, problem-solving, and communication skills, translating business needs into scalable technical solutions.
• You can work independently, assess technical risks, and collaborate effectively with stakeholders and cross-functional teams.
• Helpful background includes health insurance, underwriting, benefits administration, or healthcare technology systems.
• Familiarity with FHIR, Box Platform API, rules engines, or comparable integration technologies is beneficial.
• Experience with AI-powered solutions, including LLMs, Google Vertex AI, Gemini, or retrieval-based applications, is beneficial.
• Knowledge of NoSQL or document databases, such as Cosmos DB, MongoDB, or DynamoDB, is beneficial.
• You can assess and support cloud-platform and database migrations with security, scalability, and operational efficiency in mind.
• You bring technical leadership, sound independent judgment, and problem-solving ability, preferably in a small or growing organization.
• You are dependable and accountable, take ownership, follow through, and deliver high-quality work.
• You are curious, innovative, adaptable, and resourceful, with a willingness to learn and improve systems in a changing environment.
• You are analytical and detail-oriented, take initiative, communicate clearly, and collaborate effectively.
• You care about quality and security and aim to deliver reliable, compliant, and scalable solutions.

Responsibilities:

• Lead the design, development, deployment, and ongoing improvement of our internal and member-facing technology platforms and infrastructure.
• Turn rapidly developed prototypes into secure, scalable, production-ready applications that support underwriting, health questionnaire collection, and health plan operations.
• Design, build, and maintain secure, scalable ASP.NET Core APIs for centralized management of PHI and PII.
• Move React and TypeScript prototypes into integrated production applications, with reliable backend connectivity and cloud deployment.
• Own platform architecture and infrastructure, maintaining reliability, performance, scalability, and long-term maintainability.
• Implement and maintain authentication, role-based access, encryption, audit logging, and secure credential management.
• Align platform development and infrastructure with HIPAA requirements, our security standards, and data-protection best practices.
• Document technical security safeguards and support organizational security risk assessments.
• Design and maintain a flexible, testable, auditable rules engine for underwriting and changing business needs.
• Build secure data-collection workflows, including electronic questionnaires, tokenized access links, file uploads, and document management.
• Make underwriting logic and system functionality straightforward to update without substantial redevelopment.
• Develop and maintain secure integrations with third-party platforms, including CRM systems, drug pricing databases, document management tools, and enrollment and administration systems.
• Work with internal departments and external technical advisors to clarify requirements, resolve technical issues, and improve workflows.
• Find ways to streamline processes, reduce manual work, and improve system connectivity.
• Manage cloud infrastructure, application deployment, and platform performance, primarily in Microsoft Azure or another approved environment.
• Oversee CI/CD, environment separation, and infrastructure automation using tools such as GitHub Actions and Terraform.
• Monitor performance, troubleshoot issues, and make improvements that support stability and business continuity.
• Assess existing platforms, databases, and development tools for opportunities to improve security, compliance, efficiency, and cost-effectiveness.
• Recommend technical and infrastructure improvements, documenting risks, benefits, and long-term sustainability.
• Advise on engineering practices, system architecture, and platform development decisions as a senior technical resource.
• Maintain accurate technical documentation that supports transparency, knowledge sharing, and ongoing platform improvements.

Technologies:

• AI
• API
• ASP.NET
• AWS
• Azure
• Backend
• C#
• CI/CD
• Claude Code
• Cloud
• Cosmos DB
• CRM
• GitHub
• Support
• Marketing
• MongoDB
• MySQL
• Network
• NoSQL
• OWASP
• OAuth
• PostgreSQL
• React
• SQL
• Security
• Terraform
• TypeScript
• DevOps

More

We are OneHealth, a fast-growing company in health insurance and employee benefits. Our premium Major Medical Health Plan uses the Cigna PPO Network, and our technology, marketing, processes, and systems help us deliver a strong experience to partners, brokers, and clients. We are a service-first organization focused on continuous improvement, accountability, and raising standards in the industry. We are hiring a Senior Platform Engineer to help shape and strengthen the technology behind our evolving business, working with an external technical advisor and cross-functional colleagues. This is a fast-paced, high-visibility role with collaboration across teams including Sales Operations, Billing, and Client Services, and opportunities to influence our platforms and grow your career. We offer a base salary of $130,000–$150,000 per year, based on experience, annual performance-based bonuses, full-time employment, health, dental, and vision coverage, a 401(k), paid time off, and professional development opportunities. The role is hybrid remote in Matawan, New Jersey.

last updated 43 week of 2026