Legacy code Blogs

2/2/2026 • EN

Sebastian Witowski

Sebastian Witowski is an independent Python consultant, freelancer, and international speaker based in Poland. With 10+ years of experience—including work at CERN—he specializes in Python development for finance and energy trading, covering web development, ETL pipelines, and technical workshops.

Python consulting software architecture ETL pipelines

Sebastian Witowski

55

2/1/2026 • EN

Robert C. Martin

Robert C. Martin (Uncle Bob) explores software craftsmanship, clean code, design principles, and professional ethics. Through essays on Clojure, functional programming, OO design, types, testing, and industry culture, it reflects decades of experience shaping modern software engineering.

Clean Code Software Craftsmanship Programming Principles

Robert C. Martin

19

1/25/2026 • EN

Gio Lodi

Gio Lodi is a software developer and author writing about Test-Driven Development, Swift, automation, and developer productivity. He is the author of Test-Driven Development in Swift with SwiftUI and Combine.

Test-Driven Development Swift SwiftUI

Gio Lodi

192

1/25/2026 • EN

Peter Witham

Peter Witham is a software developer and creator writing about mobile app development, game design, and AI-assisted workflows. His blog blends technical insights with personal reflections, podcasts, and lessons from building apps across platforms.

Mobile App Development Game Development AI in Software

Peter Witham

95

1/25/2026 • EN

Rui Peres

Rui Peres writes thoughtful, concise reflections on leadership, software engineering, delivery, and personal growth. His blog blends management insights, tech culture, and everyday observations with a calm, reflective tone.

Engineering Leadership Software Management Personal Growth

Rui Peres

121

1/24/2026 • EN

Daniel Saidi

Daniel Saidi is a freelance engineer specializing in app and product development for Apple platforms. He writes and builds open-source tools focused on Swift, SwiftUI, and modern iOS/macOS development.

swift swiftui ios development

Daniel Saidi

96

1/24/2026 • EN

Scott Berrevoets

Scott Berrevoets is an iOS-focused software engineer with over a decade of experience building and scaling mobile platforms. Currently at Speak and formerly a long-time iOS tech lead at Lyft, he writes about iOS development, architecture, and mobile engineering.

ios development mobile engineering software architecture

Scott Berrevoets

28

1/23/2026 • EN

Sebastian Malaca

Sebastian Malaca is a software architect, trainer, and speaker specializing in Domain-Driven Design and scalable system architecture. He helps teams modernize legacy systems using microservices and event-driven patterns.

software architecture Domain-Driven Design microservices

Sebastian Malaca

26

1/21/2026 • EN

Nicolas Fränkel

Nicolas Fränkel is a technologist specializing in cloud-native technologies, DevOps, CI/CD pipelines, and system observability. He writes, speaks, and contributes to open-source projects to help developers adopt modern software practices.

Cloud Native DevOps CI/CD

Nicolas Fränkel

14

1/18/2026 • EN

Gunnar Peipman

Gunnar Peipman is an experienced software developer and long-time Microsoft MVP from Tallinn, specializing in .NET and Microsoft technologies. He actively shares knowledge through blogs, forums, and developer communities.

.NET Microsoft MVP Software Development

Gunnar Peipman

25

1/13/2026 • EN

Carlos Mendible

Carlos Mendible is a Principal Cloud Solution Architect at Microsoft who writes in-depth, hands-on guides about Azure, Kubernetes, Terraform, and Generative AI, focusing on real-world cloud automation and architecture.

microsoft azure kubernetes terraform

Carlos Mendible

161

1/12/2026 • EN

Tim Kadlec

Tim Kadlec helps organizations build faster, more effective websites through sustainable web performance practices. He writes about performance culture, metrics, and real-world optimization strategies.

web-performance user-experience web-vitals

Tim Kadlec

220

1/11/2026 • EN

Alejandro AR

Alejandro AR writes about technology, programming, AI, philosophy, and everyday life. His blog features reflections on software development, team dynamics, AI applications, and creative problem-solving.

technology programming ai

Alejandro AR

12

1/9/2026 • EN

Simon Wicki

Simon Wicki is a Berlin-based Frontend Engineer and freelancer specializing in modern web and hybrid applications, performance optimization, SSR, and framework migrations, with experience leading large-scale apps used by millions.

frontend engineer web performance hybrid apps

Simon Wicki

23

1/7/2026 • EN

Jacob Tomlinson

Jacob Tomlinson writes about Python, open-source development, GitHub Actions, automation, and best practices for software maintenance.

Python Open-Source GitHub Actions

Jacob Tomlinson

151

1/6/2026 • EN

Josh Goldberg

Josh Goldberg is an open-source maintainer in the TypeScript ecosystem, best known for his work on typescript-eslint, and an author, speaker, and Microsoft MVP dedicated to improving modern web development.

TypeScript Open Source JavaScript

Josh Goldberg

74

1/5/2026 • EN

Heydon Pickering

Heydon Pickering is a web-focused technical writer and designer specializing in inclusive language, accessible interfaces, design systems, and frontend documentation, with global speaking experience and award recognition.

Inclusive Design Frontend Development Web Accessibility

Heydon Pickering

73

1/4/2026 • EN

Nicolai Parlog

Nicolai Parlog (nipafx) is a Java Developer Advocate at Oracle who shares deep insights on Java through blogs, talks, books, videos, and open-source projects, helping developers learn and grow.

java java advocate developer education

Nicolai Parlog

299

1/3/2026 • EN

Paweł Chudzik

Paweł Chudzik is a programming blog covering practical how-tos and deep dives into Docker, Java, Python, Git, testing, and software architecture.

software development docker java

Paweł Chudzik

73

1/2/2026 • EN

John D. Cook

John D. Cook provides expert consulting in applied mathematics and data privacy, helping clients from tech, biotech, and legal industries—including Amazon, Google, Microsoft, and Amgen—solve complex problems efficiently.

applied mathematics data privacy consulting

John D. Cook

76