Discover key insights on agile development best practices in this 45-minute conference talk from Devoxx Poland 2019. Explore how positive thinking impacts software development in an era of shorter delivery timelines and increasing quality demands. Learn strategies for designing efficient development processes that balance speed and reliability while ensuring customer satisfaction. Gain valuable experience-based knowledge on delivering software products that truly meet customer needs, even when they differ from initial requirements. Uncover techniques to navigate the challenges of stringent quality assurance and safety standards in fast-paced development environments.