Performance Blogs

1/31/2026 • EN

Krzysztof Kowalczyk

Krzysztof Kowalczyk writes practical, experience-driven posts on software engineering, spanning Go, C++, JavaScript, and modern UI frameworks. His blog covers performance optimization, desktop and web app development, and lessons learned from building products like SumatraPDF and Edna.

software engineering go programming c++ development

Krzysztof Kowalczyk

24

1/31/2026 • EN

Lukasa Echochamber

Lukasa’s Echochamber is a technical blog focused on Python, TLS, and open-source software maintenance. It features thoughtful essays on security APIs, networking, debugging low-level systems, and the realities of maintaining widely used libraries.

python tls security open source maintenance

Lukasa Echochamber

56

1/29/2026 • EN

Andrew Kelley

Andrew Kelley is the President and Lead Developer of the Zig Software Foundation, creator of the Zig programming language, and an advocate for safer, modern systems programming. His blog covers Zig language development, software tooling, open-source contributions, and practical programming insights.

Andrew Kelley Zig programming language systems programming

Andrew Kelley

34

1/29/2026 • EN

Alex Gaynor

Alex Gaynor is a software resilience engineer focused on building reliable, secure systems across government, industry, and open source. He writes about software security, serialization, benchmarks, and the economics of open-source infrastructure.

Alex Gaynor software resilience system reliability

Alex Gaynor

202

1/29/2026 • EN

Nate Berkopec

Nate Berkopec is a Ruby on Rails performance expert and author of the web’s leading Rails performance blog and newsletter. He teaches developers how to measure, diagnose, and optimize real-world Rails applications through courses, books, and consulting.

Nate Berkopec Rails performance Ruby on Rails

Nate Berkopec

9

1/28/2026 • EN

Craig Kerstiens

Craig Kerstiens is a product leader at Crunchy Data, specializing in managed Postgres services, distributed databases, and performance optimization. He curates Postgres Weekly, speaks at conferences, and helps enterprises scale and optimize their Postgres deployments.

Craig Kerstiens Postgres expert Crunchy Data

Craig Kerstiens

164

1/28/2026 • EN

Haki Benita

Haki Benita is a software developer and technical lead specializing in databases, web development, software design, and performance tuning. He shares insights through interviews, trainings, and talks, and occasionally offers consultancy and contract work.

Haki Benita software developer technical lead

Haki Benita

59

1/28/2026 • EN

Tal Galili

Tal Galili is an R developer and data scientist passionate about the R community. He is the creator and maintainer of popular R packages such as installr and heatmaply, and frequently shares tutorials, insights, and updates about R, data visualization, and statistical computing.

R data visualization heatmaply

Tal Galili

10

1/28/2026 • EN

Konstantin Kovshenin

Konstantin Kovshenin is a WordPress Core Contributor and Systems Wrangler at Automattic, specializing in web performance, scaling, and DevOps. He blogs about technology, WordPress, and high-availability systems, and shares insights from his experience with PHP, Python, and large-scale web platforms.

WordPress web performance DevOps

Konstantin Kovshenin

9

1/28/2026 • EN

Mark Litwintschik

Mark Litwintschik is a Big Data, AI, GIS, and networking consultant with international experience, helping clients across the UK, USA, Europe, and beyond. He specializes in large-scale data analysis, geospatial insights, and technology consulting for major corporations and organizations.

Big Data AI GIS

Mark Litwintschik

100

1/27/2026 • EN

Derrick Stolee

Derrick Stolee is a software engineer and former mathematician best known for his work on Git performance and scalability, especially for large monorepos. He writes and speaks about Git internals, database-style architectures, and open-source development at scale.

git internals monorepo scaling open source engineering

Derrick Stolee

3

1/27/2026 • EN

Samuel Kahn

Samuel Kahn is a game software engineer and engine architect, formerly of Ubisoft’s Snowdrop Engine and CryEngine, now CTO and co-founder of Darewise in Paris. He writes about game engine architecture, tools, and workflows, and contributes to the game development community.

game engine architecture game development technical direction

Samuel Kahn

9

1/26/2026 • EN

Jonas Hietala

Jonas Hietala is a writer and developer who blogs about programming, Neovim, Rust, home automation, and hands-on tech projects like 3D printing. With long-form series and personal reflections, he shares practical experiments and lessons from 15+ years of blogging.

programming blog neovim customization rust development

Jonas Hietala

156

1/26/2026 • EN

Federico Viticci

Federico Viticci is the founder of MacStories, a leading Apple-focused publication covering apps, automation, AI, and in-depth tech analysis since 2009. Through MacStories, Club MacStories, and multiple podcasts, he delivers trusted insights for creative and professional Apple users worldwide.

apple news app reviews ios automation

Federico Viticci

48

1/25/2026 • EN

Julien Jerphanion

Julien Jerphanion writes in-depth articles on machine learning performance, numerical computing, and software craftsmanship. His work focuses on scikit-learn internals, efficient algorithms, and building a strong theoretical understanding of ML systems.

Machine Learning scikit-learn Numerical Computing

Julien Jerphanion

9

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

Alexey Alter-Pesotskiy

Alexey Alter-Pesotskiy is a mobile test automation engineer writing practical guides on Android and iOS testing, CI optimization, and performance profiling. His blog focuses on improving test reliability, coverage, and developer productivity.

Mobile Testing Android Testing iOS Testing

Alexey Alter-Pesotskiy

85

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

1/25/2026 • EN

Ellen Shapiro

Ellen Shapiro is a software developer and writer sharing thoughtful insights on iOS, web development, open source, and life in tech. Her blog blends practical programming tips with personal stories, speaking experiences, and reflections on work and creativity.

iOS Development Web Development Open Source

Ellen Shapiro

7

1/25/2026 • EN

Mark Heckler

Mark Heckler, MBA, is the Senior Director of Field Engineering at Moderne and a seasoned technologist specializing in application modernization, developer tools, and cloud-native architectures. An open-source contributor and author of Spring Boot: Up and Running, Mark helps organizations deliver secure, observable, and high-performance systems—on time and on budget. He’s also a licensed, instrument-rated pilot, bringing precision and clarity to both software and flight.

Spring Boot Java application modernization

Mark Heckler

9