Slides
Welcome, Harshini Mahesh!
Role: Software Engineer Intern @ Z-Score Health
This internship is designed to provide you with a unique blend of development skills in biotechnology, healthcare, and medical research. Given the ever-growing demand for software engineers in these fields, you will embark on a 12-Week Full-Stack Biotech Workflow Automation journey: from data ingestion and HPC-based transformations, to compliance logging and machine learning integrations.
Use the side menu or the Next/Previous buttons below to navigate the weekly breakdown of goals, tasks, and deliverables!
Week 1: Onboarding & Foundations
Goals
- Orientation: project scope, domain context, biotech data types, compliance frameworks.
- Environment Setup: local dev environment, HPC/cloud access, code repositories.
- Docs & Tools: wikis, Jira, Git, communication channels.
Key Tasks
- Project Kickoff: HIPAA, GDPR, 21 CFR Part 11 basics; biotech data standards (VCF, FASTQ, BAM, EHR schemas).
- High-Level Architecture: Microservices approach (front-end, ingestion, HPC orchestration, ML, compliance logs).
- Dev Setup: Install Docker, K8s CLI, Python, HPC client tools (Slurm commands).
Deliverables
- System diagram or high-level architecture sketch
- Local environment configured (Docker, credentials)
- Checklist of compliance guidelines
Next Steps
Prepare to dive into the system build!
Week 2: Data Ingestion & Validation Framework
Goals
- Build a robust ingestion service for multiple biotech file formats (FASTQ, BAM, VCF).
- Implement validation (schema checks, metadata normalization).
Key Tasks
- Data Ingestion Microservice: POST /ingest endpoint, store files in object storage or HPC filesystem.
- Schema & Format Validation: Check sample IDs, read lengths, detect corrupt files.
- Metadata Repository: PostgreSQL for file metadata; minimal UI for upload & validation statuses.
Tech Stack
- Backend: Python (FastAPI/Flask) or Node.js in Docker
- Data Storage: S3-compatible, PostgreSQL
- Validation: Pydantic or custom logic
Deliverables
- Data ingestion microservice container
- Basic UI/CLI for uploading files
- Validation of test data (FASTQ/VCF)
Next Steps
HPC pipeline integration in Week 3.
Week 3: HPC Integration & Workflow Orchestration
Goals
- Connect ingestion layer to HPC pipeline for large-scale data transformations.
- Demonstrate end-to-end data flow: upload → HPC job → results storage.
Key Tasks
- HPC Scheduling Setup: Slurm/PBS or Kubernetes Jobs for HPC tasks.
- Pipeline Logic: Launch indexing/alignment using reference genomes, store outputs (sorted BAM, QC metrics).
- Orchestration & Status Tracking: Airflow/Prefect to define tasks, monitor HPC states, update metadata DB.
Tech Stack
- Workflow Orchestration: Airflow, Prefect, or Luigi
- HPC: Slurm or K8s HPC cluster
- Scripting: Bash, Python
Deliverables
- Automated HPC pipeline for sample data
- Job-monitoring dashboard (Airflow/Prefect)
Next Steps
Advanced transformations & compliance logging in Week 3.
Week 4: Data Transformation & Compliance Logging
Goals
- Implement variant calling, annotation, normalization; track all steps in regulatory logs.
- Ensure data traceability and an audit trail (21 CFR Part 11).
Key Tasks
- Advanced Data Processing: GATK or bcftools for variant calling on HPC; annotation merges with dbSNP, ClinVar.
- Audit & Logging Microservice: Tamper-proof logs, HPC job submissions, user IDs, timestamps.
- Compliance Event Triggers: Auto-quarantine incomplete data, generate data lineage reports.
Tech Stack
- Processing Tools: GATK, bcftools
- Logging: Elasticsearch + Kibana or audited PostgreSQL
Deliverables
- Variant calling & annotation pipeline on HPC
- Centralized audit log capturing HPC usage
- Automated compliance “exception” workflow
Next Steps
Front-end dashboards in Week 4.
Week 5: Front-End Dashboards & Visualization
Goals
- Create interactive dashboards for researchers/clinicians to explore processed data.
- Monitor HPC pipelines, compliance logs, and visualize results effectively.
Key Tasks
- Dashboard Design: HPC job queue/status, QC metrics, audit/compliance events.
- Visual Analytics: D3.js, Plotly, or Highcharts for data charts, possibly a mini genome browser.
- Access Control: User roles (admin, researcher, compliance) to restrict sensitive data.
Tech Stack
- Front-End: React / Angular / Vue
- Charting: D3.js, Plotly, or Highcharts
Deliverables
- Functional dashboards showing HPC pipelines, data stats
- Verified role-based UI restrictions
Next Steps
Security & encryption in Week 6.
Week 6: Security & Encryption Implementation
Goals
- Enforce HIPAA/GDPR-grade security controls at rest and in transit.
- Lock down data with IAM, RBAC, and intrusion detection.
Key Tasks
- Encryption at Rest & in Transit: Server-side encryption for object storage, TLS/SSL for microservices.
- IAM & RBAC: Integrate LDAP/AD for user management, fine-grained role-based HPC/data access.
- Intrusion Detection & Monitoring: SIEM tools (Splunk, Datadog), alert for suspicious activity.
Tech Stack
- Secrets Mgmt: Vault or AWS KMS
- Monitoring: Prometheus, Grafana, Splunk
- Reverse Proxies: Nginx, Envoy
Deliverables
- End-to-end encrypted data flows
- Central identity management (HPC & microservices)
- SIEM solution integrated
Next Steps
ML pipeline integration in Week 6.
Week 7: Machine Learning & Model Serving
Goals
- Extend HPC data transformations into ML pipelines for classification/regression models.
- Set up model training, versioning, real-time/batch inference.
Key Tasks
- Model Development: Use HPC outputs (variants, QC metrics) as ML features in PyTorch/TensorFlow.
- ML Orchestration: Airflow/Kubeflow for training, hyperparam tuning, scheduled re-trains.
- Model Serving & Deployment: Containerize inference microservice (FastAPI, Seldon Core, or MLflow).
Tech Stack
- ML Libraries: PyTorch, TensorFlow, scikit-learn
- Orchestration: Airflow/Kubeflow, MLflow for versioning
Deliverables
- Working ML pipeline integrated with HPC
- Inference endpoint (real-time/batch)
Next Steps
Regulatory validation (GxP) in Week 7.
Week 8: Regulatory Validation & GxP Alignment
Goals
- Ensure compliance with 21 CFR Part 11, GxP, and electronic record regulations.
- Prepare for validated lab or clinical usage if needed.
Key Tasks
- Gap Analysis: Map existing features (audit logs, version control) to GxP and Part 11 requirements.
- Validation Protocols: Draft IQ/OQ/PQ, outline official test scripts, acceptance criteria.
- Electronic Signatures & Approval Flows: eSignature for final data sign-offs stored in logs.
Tech Stack
- Documentation: GxP compliance docs, e-signature library
Deliverables
- Formal GxP compliance plan (IQ/OQ/PQ, UAT tests)
- E-signature mechanism for data release
Next Steps
Advanced DevOps (CI/CD) in Week 9.
Week 9: DevOps, CI/CD & Multi-Environment Deployments
Goals
- Automate container builds, testing, and deployments across dev, QA, and production.
- Prepare multi-region or multi-cluster usage if needed.
Key Tasks
- CI/CD Pipeline: Jenkins/GitLab/GitHub Actions for builds/tests, container registry integration.
- Environments & Promotion: Dev → QA → Prod pipelines, environment-specific configs.
- Multi-Cluster / Multi-Region: HPC replication across sites, cross-region object storage sync.
Tech Stack
- CI/CD: Jenkins, GitLab, or GitHub Actions
- Infra as Code: Terraform, Ansible
Deliverables
- Automated build & deploy pipelines for each microservice
- Documented multi-region architecture approach
Next Steps
Stress & performance testing in Week 9.
Week 10: Stress Testing & Performance Optimization
Goals
- Identify bottlenecks with large data sets and concurrency.
- Optimize HPC usage, container resources, DB queries, etc.
Key Tasks
- Load/Stress Testing: Locust/JMeter or custom HPC tests; focus on ingestion spikes, HPC concurrency, ML model loads.
- Profiling & Optimization: HPC parallelization, DB indexing, caching, container CPU/memory tuning.
- Auto-Scaling: K8s horizontal pod autoscaling, HPC cluster elasticity in cloud or on-prem.
Tech Stack
- Load Testing: Locust, JMeter
- Monitoring: Grafana, Prometheus, Splunk
Deliverables
- Performance test results & optimization improvements
- Updated HPC/microservice resource configs
Next Steps
Final UI polishing & user acceptance in Week 10.
Week 11: Advanced UI Enhancements & User Acceptance Testing
Goals
- Refine user experience with intuitive data exploration and HPC monitoring tools.
- Conduct UAT with domain experts (biologists, clinicians) to ensure usability.
Key Tasks
- UI Enhancements: Advanced filtering for large variant sets, tooltips, drag-and-drop HPC pipeline triggers.
- Collaboration & Reporting: Annotate HPC outputs, generate PDF/HTML summary reports.
- UAT: Domain experts run typical workflows. Collect feedback on performance, correctness, ease of use.
Tech Stack
- Front-End: React/Angular/Vue with advanced charting
- Collaboration: Real-time or comment-based features
Deliverables
- Polished front-end with interactive visualizations
- Documented UAT feedback & final backlog items
Next Steps
Final compliance verification in Week 11.
Week 12: Final Compliance Audit & Pre-Production Validation
Goals
- Ensure all HIPAA, GDPR, 21 CFR Part 11, GxP requirements are fully met.
- Confirm system stability and security for real biotech data usage.
Key Tasks
- Compliance Audit: Re-check HIPAA/GDPR/21 CFR Part 11 alignment; re-run IQ/OQ/PQ tests.
- Security Penetration Testing: Internal or external pentests. Confirm encryption, no open ports.
- Disaster Recovery Drill: Simulate HPC or data store failures, validate backups & failover procedures.
Tech Stack
- Pen Testing Tools: custom or external services
- Compliance Documentation & e-signoffs
Deliverables
- Final compliance sign-off reports
- Pen test results & remediation plan
- Verified backup/restore plan
Next Steps
Go-live in Week 12.
Week 13: Production Launch & Post-Launch Handover
Goals
- Roll out the platform to production or a production-like environment.
- Conduct final knowledge transfer and define maintenance processes.
Key Tasks
- Production Deployment: Official rollout to HPC cluster(s), domain config, SSL certs, user access for real usage.
- Post-Launch Monitoring: Monitor logs, HPC usage, error rates. Establish escalation policies.
- Handover & Next Steps: Transfer runbooks/SOPs, gather backlog for future improvements.
Deliverables
- Fully live production system
- Handover docs & maintenance schedule
- Final presentation or “graduation” of the project
Final Words of Encouragement
By completing these 13 weeks, you've delivered a robust, enterprise-grade biotech workflow platform: HPC-based transformations, compliance logging, and advanced ML pipelines. This foundation positions you to tackle extended AI features, multi-tenant usage, or additional assay types—truly a remarkable achievement in a high-stakes, regulated industry.