RTG WIT lecture / Waterfall and Agile methodologies

1. Waterfall and Agile
methodologies
Julija Melnika
https://www.linkedin.com/in/jmelnika/

2. About me
● 15 years in IT
● Started as Consultant, turned to real
projects
● Currently - Business Line Manager @Helmes
Latvia
● PMP, CSM, CSPO, ITIL

3. Agenda
● Project/Process/Product
● Basic PM methodology - Waterfall
● Agile methodologies
○ Scrum
○ Kanban

4. Project/Process/Product

5. Some basic terms
● What is a project?
○ Goal, Temporary, Defined scope, Defined
resources, Unique (not routine), Change
● What is a process?
○ Standardized, set of procedures,repetitive
● What is a product?
○ Something that is created/ maintained/
supported according to customer and business
needs

6. Waterfall methodology

7. WATERFALL model
Requirements
Design
Implementation
Verification
Deployment
Maintenance
BA
Architects
Devs
Testers
Release&Change
Support

8. Agile methodology group

9. Agile - a philosophy
● Set of values and practices
● History traced back to 1957
● In 2001: Agile Manifesto
Agile frameworks
Team level: Scrum, Kanban, XP, Hybrid
Scaling level: SAFe, LeSS, Scrum of Scrums,
DAD

10. Agile manifesto
Individuals and interactions over
processes and tools
Working software over comprehensive
documentation
Customer collaboration over contract
negotiation
Responding to change over following a plan

11. Agile approach
● Iterative and incremental
● Efficient and face-to-face communication
● Very short feedback loop and adaptation
cycle
● Ongoing stakeholder involvement

13. Example
● Sprint 1
○ Login screen (Enter username, password,
Enter button)
○ Correct reply processing
● Sprint 2
○ Incorrect reply screen & processing
● Sprint 3
○ Remind password screen & reminder

14. Scrum

15. Scrum

17. Scrum Roles
● Product Owner
● Scrum Master
● Development Team

18. Team
● Small (3-9)
● Dedicated (not shared)
● Collocated (Hello COVID!)
● Self-organized
● Cross-functional
● Skilled (should backup each other)

19. Product Owner
● Ensures that the RIGHT product is built
● Provides vision and boundaries
● Ensures alignment between stakeholders and
product
● Create/maintain/prioritise product backlog
● Defines release goals

20. Scrum Master
● Facilitate scrum events
● Helps, coaches development team
● Removes obstacles
● Ensures correct use of scrum (for all
sides)
● Servant leadership

21. Scrum Events
● Daily Scrum/Standup
● Sprint Planning
● Sprint Review/Demo
● Sprint Retrospective

22. EPIC Feature User story

23. Waterfall vs Agile
Scope is fixed/No changes Scope is dynamic/Change
welcome
Time/cost fixed or
estimated
Time/cost cannot be
estimated
Customer involvement in
the beginning/end
Heavy customer involvement
Team can have beginners Need highly experienced,
mature & 100% committed team
Fixed scope legal
agreement
Time and material legal
agreement

24. Kanban

26. Principles
● Visualize work
● Limit WIP
● Move cards through the board as fast as
possible

27. What we talked about
● Project/Product/Process
● Waterfall model
● Agile model
● Kanban model
Design
Implementation
Verification
Deployment
Maintenance
Requirements

28. Next time:
● 13/09 Presentation skills
● 20/09 Time Management and Procrastination

29. Thank you!