Soft Skills: The software developer's life manual by John Sonmez (soft skills, self-marketing, life yacks, career advices)
The Software Craftsman by Sandro Mancuso (professionalism in software development)
Clean Code: A Handbook of Agile Software Craftsmanship by Robert Martin (coding, clean code, craftsmanship)
The Clean Coder: A Code of Conduct for Professional Programmers by Robert Martin (professionalism in software development)
The Pragmatic Programmer: From Journeyman to Master by Andrew Hunt and David Thomas (professionalism in software development)
Domain-Driven Design: Tackling Complexity in the Heart of Software by Eric Evans (crafting serious business applications)
Release It! by Michael Nygard (building resilient distributed systems)
Growing Object-Oriented Software, Guided by Tests by Steve Freeman and Nat Pryce (hands-on Test-Driven Development)
Coding: On Software Design Process by Jonathan Locke (improving coding practices)
The Mythical Man-Month: Essays on Software Engineering, Anniversary Edition (2nd Edition) by Frederick P. Brooks Jr (architecture, estimation, tar pits)
High Performance MySQL by Baron Schwartz, Peter Zaitsev, Vadim Tkachenko (understanding of MySQL architecture and performance tuning)
High Performance Browser Networking by Ilya Grigorik (understanding why web performance matters)
The Lean Startup by Eric Ries (building products effectively)
The Linux Command Line: A Complete Introduction by William E. Shotts Jr. (becoming effective with command line)
Kanban: Successful Evolutionary Change for Your Technology Business by David J. Anderson (understanding and implementing Kanban systems)
Java Application Architecture by Kirk Knoernschild (modularity patterns based on Java examples)
Rework by Jason Fried and David Heinemeier Hansson (getting most from your work)
Drive: The Surprising Truth About What Motivates Us by Daniel H. Pink (motivation)
Continuous Delivery by Jez Humble and Dave Farley (continuous delivery, DevOps)
The Phoenix Project: A Novel about IT, DevOps, and Helping Your Business Win by Gene Kim, Kevin Behr and George Spafford (improving IT organizations)
Management 3.0: Leading Agile Developers, Developing Agile Leaders by Jurgen Appelo (management techniques)
#Workout: Games, Tools & Practices to Engage People, Improve Work, and Delight Clients (Management 3.0) by Jurgen Appelo (management techniques)