Toptal Engineering Expert
Ask a Security Engineer: From DevSecOps to Cloud Security
Security engineering is a fast-moving field, and getting left behind is not an option. This ask-me-anything-style Q&A covers compliance frameworks, security checks, and the importance of a DevSecOps approach.

Gökay Pekşen
Gökay is a security developer and advisor. He built Turkey’s first DevSecOps CI/CD pipeline, and designed and constructed a world-class cybersecurity infrastructure to safeguard $8 billion in annual local payment transactions while serving as Information Security Vice President at Interbank. He is the founder and CEO of Prime Threat, a security consultancy that helps businesses navigate GDPR compliance and risk management.
Advancing AI Image Labeling and Semantic Metadata Collection
Image labeling can be a tedious, time-consuming task, compounded by the sheer volume of data needed to train deep neural networks. This article breaks down large data set processing and explains how a new SaaS product can help automate image labeling.

Neven Pičuljan
Neven is an artificial intelligence engineer with extensive experience in machine learning, computer vision, algorithms, and a range of AI-related technologies. Prior to founding an AI R&D consulting company, Neven helped create and train cutting-edge computer vision models used by healthcare, e-commerce, real estate, and financial services companies across the globe.
Apache Spark Optimization Techniques for High-performance Data Processing
Apache Spark is an analytics engine that can handle very large data sets. This guide reveals strategies to optimize its performance using PySpark.

Necati Demir, PhD
Necati is a software engineer specializing in data science, machine learning, back-end development, and DevOps. He is an AWS Certified Solutions Architect and AWS Certified Machine Learning Specialist with a doctorate in computer engineering. Necati serves as Chief AI Officer and CTO of Datagran, a machine learning automation company that he co-founded.
Next.js Rendering Techniques: How to Optimize Page Speed
Next.js is best known for server-side rendering, but these innovative strategies can help developers configure web apps for more speed, reduced server load, improved SEO, and much more.

Subhakar Tikkireddy
Subhakar is a front-end developer with extensive experience using React, Next.js, and TypeScript. He specializes in creating MVPs for startups and has worked on projects ranging from cross-platform progressive web and React Native apps to AI-powered browser extensions and a crypto web app used by more than 10,000 investors.
Ask a Cybersecurity Engineer: Trending Questions About AI in Cybersecurity
In this ask-me-anything-style Q&A, leading Toptal cybersecurity expert Ilia Tivin responds to colleagues’ questions on AI in cybersecurity and provides data and network protection tips and best practices.

Ilia Tivin
Ilia is a cybersecurity professional and developer with wide-ranging experience in the government, defense, manufacturing, and finance sectors. A former cloud security architect at Hewlett Packard Enterprise, he now advises executive clients on planning, prioritizing, and executing strategic security initiatives.
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5 Pillars of Responsible Generative AI: A Code of Ethics for the Future
Generative AI advances raise new questions around data ownership, content integrity, algorithmic bias, and more. Here, three experts at the forefront of NLP present recommendations for developing ethical generative AI solutions.

Madelyn Douglas
Madelyn is a full-stack developer and technical writer specializing in mobile development, AR/VR, games, and data ethics. As a software engineer at Meta, she worked on various products, including the Ray-Ban Meta smart glasses, Facebook News Feed, and Meta VR store. Her writing on technology and data ethics has won awards and been published by the IEEE.
Computer Vision Pipeline Architecture: A Tutorial
Build a simple, reusable foundation for your video processing apps and alleviate the common challenges of video manipulation.

Nathan Babcock
Nathan is a front-end developer and video processing expert. He developed Hypetrigger, an open-source computer vision tool for use with streaming services. Nathan also spent five years as a full-stack engineer at Motorola Solutions, where he worked with React, Angular, Svelte, and native web components, and led the development of the company’s internal design system.
Tested Solutions: Working With React Design Patterns
Design patterns offer a convenient way to tackle challenges with tried-and-tested solutions, saving developers time and effort. Here’s how React design patterns allow for coherent modules with less coupling.

Mudassir Ijaz
Mudassir is a full-stack software engineer specializing in JavaScript frameworks and libraries. He has built many React apps as a senior engineer and has worked across the globe at companies like SAP, Bit, Kwanso, and VoicePing.
Ask an AI Engineer: Trending Questions About Artificial Intelligence
In this ask-me-anything-style Q&A, leading Toptal AI developer Joao Diogo de Oliveira fields questions from fellow engineers about resources for pivoting to ML, approaches to large language models, and the most critical future applications of AI.

Joao Diogo de Oliveira
Joao is an AI developer with more than 10 years of experience at Fortune 100 companies like Procter & Gamble and startups in the healthcare, energy, and finance industries. Joao holds a master’s degree in computer science from the University of Porto and has multiple certifications in ML and deep learning.
Advantages of AI: Using GPT and Diffusion Models for Image Generation
Generative AI is taking the world by storm, with potentially profound impacts on the content we create. Learn the basics of AI image generation and produce sophisticated artistic renderings with this tutorial.

Juan Manuel Ortiz de Zarate
Juan is a developer, data scientist, and doctoral researcher at the University of Buenos Aires where he studies social networks, AI, and NLP. Juan has more than a decade of data science experience and has published papers at ML conferences including SPIRE and ICCS.
Ask an NLP Engineer: From GPT Models to the Ethics of AI
Want to expand your skills amid the current surge of revolutionary language models like GPT-4? In this ask-me-anything-style tutorial, Toptal data scientist and AI engineer Daniel Pérez Rubio fields questions from fellow programmers on a wide range of machine learning, natural language processing, and artificial intelligence topics.

Daniel Pérez Rubio
Daniel is a data scientist, developer, and former CTO who has specialized in NLP for more than six years, most recently focusing on large language models (LLMs). His experience includes being a senior data scientist at BASF and Daimler.
The Benefits of Formosa Crypto Wallet Management
Formosa enhances crypto wallet management by leveraging easy-to-remember, themed security sentences rather than traditional and disparate recovery keywords. Formosa is secure, intuitive, and efficient.

Yuri da Silva Villas Boas
Yuri is a security engineer and the creator of the password format Formosa and SRVB, an asymmetric cryptosystem. An expert in the design and verification of protocols and cryptography, his background spans statistics, physics, and mathematics. Yuri has a master’s degree in computer science from Brazil’s Federal University of Santa Catarina.
Next.js vs. React: A Comparative Tutorial
Discover the differences between React and Next.js, a framework used by companies like TikTok, Hulu, and Nike to supercharge their web apps. Plus: Learn when and how to use Next.js, including rendering, routing, page, and navigation tips.

Ayyaz Ali
Ayyaz is a full-stack developer, founder, and CTO with eight years of experience in a variety of React and JavaScript frameworks. He has deep expertise in handling product builds, and developed an online education platform that has served more than a million students around the world.
How to Use JWT and Node.js for Better App Security
To protect client data, your system must identify and block uninvited visitors. Create a REST API using Node.js, TypeScript, and Express, enhanced with JWT support.

Gonzalo Hirsch
Gonzalo is a full-stack developer and expert in secure implementations focused on JavaScript and Node.js. He specializes in solutions for startup companies in finance and education, and has a master’s degree in software engineering from the Instituto Tecnológico de Buenos Aires.
Reusable State Management With RxJS, React, and Custom Libraries
Discover a powerful RxJS and React approach that adds state management to single-page applications. RxJS provides an elegant, succinct, and comfortable implementation for developers that becomes more effective with custom libraries.

Mark Evans
Mark is a full-stack software engineer who has written applications for major service companies including Intel, Disney, Sky, and Vodafone. He has led React and RxJS teams from prototype through commercial release, and holds master’s degrees in physics from Oxford University and King’s College.
Security in Django Applications: A Pydantic Tutorial, Part 4
Django’s built-in security checker identifies vulnerabilities with ease. Here’s how you can enforce HTTPS redirects to tighten security on your web applications.

Arjaan Buijk
Arjaan is a software engineer and data scientist who creates mission-critical, Python-based cloud solutions focused on Rasa for international banks and insurance companies. He also architects and teaches large-scale Kubernetes solutions. Arjaan founded a company for the resale of manufacturing simulation software that he co-developed.
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