10 things to consider software dev project estimation

10 Things to ConsiderWhen EstimatingSoftware Development Projects

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Alex BarenboimVice President, Mobility & Enterprise SolutionsTel: 954-689-3984Mobile: 561-309-1955E-mail: alex.barenboim@aajtech.com

Recurring Problem

Actual Project Length – 7 months

Estimated Project Length – 4 months

What happened?

Incorrect Requirement

Analysis

Lack of Communication

Poor estimates

Functional Specifications•Graphical•Textual

Use Cases

•User Types•User RolesPersonas

•Systems Users•Business Stakeholders•Subject Matter Experts

Requirements Gathering

•Interactions•3rd party systems•APIs

Interfaces

Data Design and Flow

Logical Database Design

Physical Database Design

Data Structure Diagrams

Entity Relationship Diagrams

Data Dictionary

Architecture

Technologies

Software Engineering

Design Documentation

Code Development

Source Code Repository, Branching

Unit, Manual, Automated Testing

User Experience (UX)

UX Design Process

Wireframes

User Flow

Mockups

Usability

Graphics Design

UX Key Factors

Quality Assurance

Software Testing Types

• Functional Testing• Blackbox Testing• Whitebox Testing• Integration Testing• System Testing• Automated Testing

Infrastructure

• Development Environment• QA Environment• UAT Environment• Production Environment• Firewalls• Clouds• Network• VPN, VPC, Switches

Environments, Connectivity & Platform

Performance Assurance

Security

• Security / Firewalls• Penetration Testing• Recommendations• Remediation's

Maintenance

Updates New Features

Bug Fixes Change Requests

RecapActivity Percentage

Functional Specifications 10%

Data Design and Flow 5%

Architecture 5%

User Experience / UI 10%

Software Engineering 30%

Quality Assurance 20%

Infrastructure 5%

Performance 10%

Security 5%

TOTAL: 100%

Maintenance: Between 10%-20% per year!

Questions

Alex BarenboimVP, Mobility & Enterprise SolutionsTel: 954-689-3984Mobile: 561-309-1955E-mail: alex.barenboim@aajtech.com