Project Activity Logs

Complete semester work history - Fall 2025

Filter by Type

15
Total Activities
82
Total Hours
7.5
Avg Hours/Task
49 days
Time Span
📝 Documentation
November 4, 2025

Final Documentation & Team Website

⏱️ 4h

Completed project documentation including architecture diagrams, deployment guides and operational runbooks. Created team website to showcase project progress.

Attendees:

Frederik DuvačDarius-Dušan Horvath

Outcomes:

  • Finalized architecture documentation with diagrams
  • Created deployment and rollback procedures
  • Wrote operational runbooks for common scenarios
  • Published team website with project overview
  • Prepared presentation for final demo
#documentation #website #presentation
🧪 Testing
November 1, 2025

End-to-End Testing & QA

⏱️ 6h

Comprehensive end-to-end testing of entire event gateway system. Verified all integration points, error handling and recovery mechanisms.

Attendees:

Denis IvanPeter FarkašFrederik Duvač

Outcomes:

  • Executed 150 test cases covering all scenarios
  • Verified disaster recovery procedures
  • Tested multi-region failover mechanisms
  • Confirmed security compliance requirements
  • All critical bugs resolved, 2 minor issues documented
#testing #qa #end-to-end #compliance
💻 Development
October 28, 2025

Event Analytics Dashboard

⏱️ 7h

Built advanced analytics dashboard with real-time event metrics, trends analysis and business insights. Integrated with AWS QuickSight for detailed reporting.

Attendees:

Frederik DuvačMartin Sivák

Outcomes:

  • Created interactive charts and visualizations
  • Implemented trend analysis and forecasting
  • Added custom metric definitions
  • Integrated QuickSight for executive reporting
  • Setup automated daily/weekly reports
#analytics #dashboard #quicksight #visualization
🚀 Deployment
October 25, 2025

Performance Optimization & Load Testing

⏱️ 8h

Conducted extensive load testing and optimized Lambda functions for high-throughput scenarios. Achieved target performance of 10,000 events per second.

Attendees:

Adrián KomanekPeter FarkašDarius-Dušan Horvath

Outcomes:

  • Optimized Lambda cold start times to <200ms
  • Implemented connection pooling for DynamoDB
  • Added provisioned concurrency for critical functions
  • Load tested with 15k events/second successfully
  • Reduced average processing time by 35%
#performance #optimization #load-testing #aws
📅 Meeting
October 21, 2025

Mid-Project Status Review

Comprehensive review of project progress with Fiserv stakeholders. Discussed achievements, challenges and roadmap for remaining sprints.

Attendees:

Denis IvanPeter FarkašDarius-Dušan HorvathMartin SivákFrederik DuvačAdrián Komanek

Outcomes:

  • Demonstrated working event gateway with 99.9% uptime
  • Showed AI anomaly detection in action
  • Discussed scaling to handle 10k events/second
  • Received approval for advanced analytics features
  • Updated timeline for final deployment

Next Steps:

  • Implement advanced event analytics
  • Performance optimization for high-throughput scenarios
  • Prepare for production deployment
#meeting #stakeholder-review #milestone
📝 Documentation
October 18, 2025

API Documentation & Developer Guide

⏱️ 5h

Created comprehensive API documentation using OpenAPI 3.0 specification. Wrote developer guide for onboarding and integration.

Attendees:

Frederik DuvačPeter Farkaš

Outcomes:

  • Published OpenAPI 3.0 specification
  • Created interactive API documentation with examples
  • Wrote integration guide with code samples
  • Added troubleshooting section
  • Setup automated documentation deployment
#documentation #api #openapi
💻 Development
October 14, 2025

AI-Powered Event Analysis

⏱️ 9h

Implemented machine learning model to detect anomalies in event patterns and predict potential issues. Used AWS SageMaker for model training and deployment.

Attendees:

Martin SivákDarius-Dušan Horvath

Outcomes:

  • Trained anomaly detection model on historical event data
  • Achieved 94% accuracy in detecting abnormal patterns
  • Integrated model with Lambda for real-time predictions
  • Created alerting system for detected anomalies
  • Documented ML pipeline and retraining process
#ai #machine-learning #sagemaker #anomaly-detection
💻 Development
October 11, 2025

Monitoring Dashboard Implementation

⏱️ 10h

Built real-time monitoring dashboard using Vue 3 and Nuxt to visualize event flows, Lambda metrics and system health. Integrated with CloudWatch APIs.

Attendees:

Frederik DuvačDarius-Dušan Horvath

Outcomes:

  • Implemented real-time event flow visualization
  • Created Lambda performance metrics dashboard
  • Added cost tracking and optimization suggestions
  • Integrated CloudWatch alarms and notifications
  • Deployed dashboard using AWS Amplify
#frontend #vue #dashboard #cloudwatch
📅 Meeting
October 7, 2025

Sprint 1 Review & Retrospective

Demo of event gateway core functionality to stakeholders. Team retrospective on development process and lessons learned.

Attendees:

Denis IvanPeter FarkašDarius-Dušan HorvathMartin SivákFrederik DuvačAdrián Komanek

Outcomes:

  • Successfully demonstrated event ingestion and routing
  • Showed monitoring dashboard prototype
  • Identified need for better error handling documentation
  • Team velocity: 34 story points completed
  • Stakeholder feedback: positive, requested analytics features

Next Steps:

  • Add event analytics and insights dashboard
  • Improve error handling and retry logic
  • Create comprehensive API documentation
#meeting #sprint-review #retrospective
💻 Development
October 4, 2025

EventBridge Integration & Event Routing

⏱️ 7h

Implemented EventBridge event buses and routing rules for multi-tenant event processing. Created event patterns for different event types and consumers.

Attendees:

Darius-Dušan HorvathMartin Sivák

Outcomes:

  • Configured custom EventBridge event bus
  • Created 12 event routing rules with pattern matching
  • Implemented event filtering and transformation
  • Setup cross-account event delivery
  • Integrated with SNS for notifications
#eventbridge #aws #event-driven #integration
🧪 Testing
September 30, 2025

Security Testing & Vulnerability Assessment

⏱️ 6h

Conducted comprehensive security audit of API Gateway endpoints and Lambda functions. Implemented AWS security best practices and IAM role hardening.

Attendees:

Denis IvanAdrián Komanek

Outcomes:

  • Identified and fixed 3 IAM overpermission issues
  • Implemented API Gateway request validation
  • Added WAF rules to protect against common attacks
  • Setup AWS GuardDuty for threat detection
  • Documented security guidelines for the team
#security #testing #iam #waf
💻 Development
September 27, 2025

Lambda Function Development

⏱️ 12h

Developed core Lambda functions for event ingestion, transformation and routing. Implemented event validation and error handling with DLQ (Dead Letter Queue) pattern.

Attendees:

Peter FarkašDarius-Dušan Horvath

Outcomes:

  • Created 5 Lambda functions in TypeScript
  • Implemented event schema validation using JSON Schema
  • Setup SQS dead letter queues for failed events
  • Added comprehensive CloudWatch logging
  • Achieved <100ms p95 latency for event processing
#lambda #development #typescript #aws
📅 Meeting
September 23, 2025

Architecture Review & Sprint Planning

Weekly team sync to review AWS architecture design and plan first development sprint. Discussed event-driven patterns and serverless best practices.

Attendees:

Denis IvanPeter FarkašDarius-Dušan HorvathMartin SivákFrederik DuvačAdrián Komanek

Outcomes:

  • Approved event-driven architecture using pub-sub pattern
  • Decided on event sourcing for transaction logging
  • Sprint 1 backlog finalized with 8 user stories
  • Established twice-weekly standup schedule

Next Steps:

  • Implement core Lambda functions for event processing
  • Create EventBridge rules and event schemas
  • Design monitoring dashboard wireframes
#meeting #sprint-planning #architecture
💻 Development
September 20, 2025

AWS Infrastructure Setup

⏱️ 8h

Configured AWS development environment with Lambda functions, API Gateway and EventBridge. Implemented Infrastructure as Code using Terraform for reproducible deployments.

Attendees:

Adrián KomanekDarius-Dušan Horvath

Outcomes:

  • Created Terraform modules for Lambda, API Gateway, EventBridge
  • Setup CI/CD pipeline with GitHub Actions
  • Configured CloudWatch logging and monitoring
  • Established multi-environment strategy (dev, staging, prod)
#aws #terraform #infrastructure #devops
📅 Meeting
September 16, 2025

Project Kickoff - Fiserv Event Gateway

Initial team meeting to discuss the Fiserv Serverless Event Gateway Transformation project. Reviewed project requirements, AWS serverless architecture and established team roles.

Attendees:

Denis IvanPeter FarkašDarius-Dušan HorvathMartin SivákFrederik DuvačAdrián Komanek

Outcomes:

  • Assigned AWS architecture design to Adrián and Darius
  • Denis to lead security analysis and threat modeling
  • Martin to research event-driven patterns and AI optimization
  • Frederik to design frontend dashboard and monitoring UI
  • Peter to handle low-level event processing optimization

Next Steps:

  • Create AWS account and setup development environment
  • Research API Gateway, Lambda, and EventBridge patterns
  • Design initial system architecture diagram
#kickoff #planning #architecture