Ecosystem:**Advanced Node.js patterns (async/await, event emitters, streams)Express.js for API developmentAWS Lambda optimization and cold start managementMemory management and performance tuning**Database Technologies:****PostgreSQL:** Query optimization, indexing strategies, connection pooling**Sequelize ORM:** Complex associations, migrations, transactionsDatabase design and normalizationRead replicas and database scaling**Event-Driven Architecture:****Kafka/KafkaJS:** Consumer groups, offset management, partition strategiesMessage queue patterns (SQS, dead letter queues)Event sourcing and CQRS patternsIdempotency and exactly-once processing**Search & Analytics:****OpenSearch/Elasticsearch:** Index design, query DSL, aggregationselastic-builder for complex queriesSearch optimization and relevance tuning**Additional Technologies:**Snowflake data warehouse (queries, data modeling)Databricks SQL integrationLDAP/Active Directory integrationExcel processing (ExcelJS, xlsx libraries)### Frontend Development (Advanced Level)**React Ecosystem:**React 17+ (Hooks, Context API, performance optimization)Redux/Redux-Saga for complex state managementReact Router v6Module Federation (micro-frontends)**UI Libraries & Tools:**AG Grid Enterprise (complex data grids)Material-UI/Emotion (styled components)Nike Design System (EDS) - preferredWebpack configuration and optimization**Authentication & Authorization:**Okta integrationOAuth 2.0 / OpenID Connect flowsJWT token managementRole-based access control (RBAC)### DevOps & Tooling (Advanced Level)**Version Control:** Git advanced workflows (rebase, cherry-pick, branching strategies)**Testing:**Jest (unit, integration testing)Cypress (E2E testing)API testing (Postman/Bruno)Test coverage analysis and improvement**Monitoring & Observability:**CloudWatch Logs InsightsDistributed tracing (X-Ray)Application Performance Monitoring (APM)Custom metrics and alerting**Containerization:** Docker, Docker Compose, multi-stage builds---## Required Soft Skills & Leadership Qualities### Communication Excellence**Clear Technical Communication:** Ability to explain complex technical concepts to non-technical stakeholders**Documentation:** Create comprehensive technical documentation, ADRs (Architecture Decision Records), and runbooks**Cross-timezone Collaboration:** Effective async communication with offshore team**Presentation Skills:** Present technical solutions to senior leadership and stakeholders**Active Listening:** Understand team concerns, requirements ambiguity, and stakeholder needs### Leadership & Mentorship**Servant Leadership:** Support team success by removing blockers and providing resources**Conflict Resolution:** Navigate technical disagreements with diplomacy and data-driven decisions**Growth Mindset:** Foster a learning culture, encourage experimentation and innovation**Empathy:** Understand team challenges, especially across cultural and time zone differences**Decision Making:** Make timely decisions with incomplete information when necessary### Problem-Solving & Critical Thinking**Analytical Thinking:** Break down complex problems into manageable components**Root Cause Analysis:** Investigate production issues systematically**Trade-off Analysis:** Balance competing priorities (speed vs. feature work**Estimation:** Provide accurate estimates and communicate uncertainty**Time Management:** Balance hands-on work with leadership responsibilities---## Day-to-Day Activities### Morning (Overlap with Offshore Team - 8:00 AM - 10:00 AM)**Daily Standup:** Facilitate 15-minute standup with full team**Blocker Resolution:** Address any blockers raised by offshore team**PR Reviews:** Review pull requests submitted overnight by offshore team**Architecture Questions:** Answer technical questions and provide guidance**Sprint Planning:** Clarify user stories and acceptance criteria### Mid-Day (Deep Work - 10:00 AM - 2:00 PM)**Code Development:** Implement critical features or complex components**Architecture & Design:** Create design documents, sequence diagrams, ERDs**Stakeholder Meetings:** Requirements gathering, demo sessions, status updates**Performance Analysis:** Investigate and optimize application performance**Proof of Concepts:** Build POCs for new technologies or approaches### Afternoon (Team Enablement - 2:00 PM - 5:00 PM)**1-on-1s:** Weekly one-on-one meetings with team members**Code Reviews:** In-depth review of complex PRs with feedback**Documentation:** Update technical docs, runbooks, and knowledge base**Production Monitoring:** Review CloudWatch metrics, error rates, performance**Sprint Ceremonies:** Sprint planning, refinement, retrospectives**Learning & Development:** Stay current with new AWS services, React patterns, etc.### Evening (Async Collaboration - 5:00 PM - 6:00 PM)**Offshore Handoff:** Leave detailed notes, feedback, and guidance for offshore team's next day**Slack/Email:** Respond to async questions from offshore team**Documentation Updates:** Ensure confluence/wiki is up-to-date**Planning for Next Day:** Review priorities and prepare for tomorrow---## Key Performance Indicators (KPIs)### Team Performance**Sprint Velocity:** Consistent and predictable team velocity**Sprint Commitment:** 90%+ sprint goal achievement**Deployment Frequency:** Weekly production deployments (or more frequent)**Lead Time:** Reduce time from story start to production deployment**Cycle Time:** Optimize time from code commit to production### Quality Metrics**Defect Density:**