Improving people's lives through human-centered strategies and transformative technologies. #ThisIsBixal
Senior Software Engineer
Location
Virginia
Posted
4 days ago
Salary
$142K - $144K / year
Seniority
Senior
Job Description
Senior Software Engineer
Bixal
• Lead the design, development, and deployment of the Generic Data API Platform — a reusable Terraform module and Lambda-based pipeline that enables rapid onboarding of new data source APIs across different programs without custom infrastructure builds per dataset. • Complete and deliver remaining platform phases: implement generalized data validation logic; work with data source teams to implement and configure endpoint querying logic; implement API capability discovery endpoints; conduct end-to-end integration testing across platform components; lead security review and performance validation; and drive the initial dataset API to production go-live. • Implement OAuth 2.0 machine-to-machine authentication via AWS Cognito, ensuring that external consumers can authenticate against the platform with appropriate scope enforcement and usage-tier access controls. • Champion the API platform internally — serve as the primary point of contact for partner data teams seeking to onboard new datasets, define the onboarding contract, and guide teams through the configuration and deployment process • Develop and maintain operational runbooks, FHIR API documentation, and data team onboarding guides that enable partner teams to self-serve troubleshooting and data refreshes without requiring infrastructure team involvement. • Own platform SLOs: API availability > 99.9%, error rate < 0.1%, and p95 response time < 500 ms. • Define CloudWatch alarm thresholds appropriate to catch degradation before SLOs are breached, not after. • Lead the API migration to the generic platform (Phase 2), validating that the module generalizes and establishes shared operational patterns across multiple concurrent datasets. • Coordinate across teams to advance platform delivery: work with partner data teams on data delivery contracts, timelines, and search parameter definitions; engage CloudOps on security reviews and network security configuration changes; align with solutions architects on platform generalization and multi-dataset scale decisions; and involve data strategists when new data sharing agreements are required for a partner onboarding. • Enforce defense-in-depth security controls across all platform deployments: network-layer threat protection, encryption at rest and in transit, identity and access management, API key lifecycle management, and long-term audit log retention. • Monitor and optimize cloud infrastructure costs across platform deployments, leveraging serverless billing models, data lifecycle policies, and right-sized compute configurations to keep per-dataset costs sub-linear as the platform scales to 10 or more concurrent datasets. • Contribute to and maintain cloud infrastructure Terraform across infrastructure and application repositories, including importing manually managed cloud resources, refactoring existing modules, and applying community best practices.
Job Requirements
- Bachelor's degree in a relevant field plus at least 8 years of experience, or a Master's degree plus 6 years of experience.
- Demonstrated hands-on experience building and operating AWS serverless architectures: API Gateway (REST), Lambda, DynamoDB, S3, EventBridge, SQS, SNS, SSM Parameter Store, Secrets Manager, CloudWatch, and WAF.
- Proficiency writing and maintaining Terraform at production scale, including modular design, multi-environment configuration (dev/val/prod), and state management.
- Experience developing serverless functions in Python, including NoSQL database operations and writing testable, maintainable business logic with unit and integration test coverage.
- Working knowledge of OAuth 2.0 flows, specifically client credentials (machine-to-machine), and practical experience with AWS Cognito user pools and resource server scopes.
- Experience designing and implementing REST APIs with well-defined, versioned request/response contracts — including rate limiting, tiered usage plans, and consumer-facing API key management.
- Strong understanding of defense-in-depth security: encryption at rest and in transit, network access controls, audit logging, and compliance requirements for federal systems handling PHI (HIPAA, FedRAMP, FISMA).
- Ability to work independently as the sole developer on a complex, multi-phase effort — managing phased delivery, communicating status to stakeholders, and making sound architectural decisions without day-to-day oversight.
- Familiarity with CI/CD tooling — specifically GitHub Actions — sufficient to maintain existing workflows, manage secrets, configure cloud authentication, and diagnose failed runs.
- Excellent written communication skills: capable of producing runbooks, architecture documentation, and onboarding guides that a new team member or partner data team can follow without additional context.
- Ability to obtain and maintain a Public Trust clearance.
Benefits
- Flex hours
- 401K with matching incentive
- Parental Leave
- Medical/dental/vision benefits
- Flex Spending Account
- Company provided short-term disability and life insurance
- Commuter benefits
- Paid Time Off (PTO)
- 11 Paid holidays
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