Toptal Engineering Blog

Teimur is a software engineer with more than 10 years of experience building React applications. He partners with clients to design high-performing, scalable solutions and has held senior roles at a diverse range of companies, including at global fintech organization Klarna and most recently for AI-driven startup Speechify.

Emiliano is a cloud engineer with more than a decade of experience designing and operating AWS-based architectures. He works with organizations on cloud adoption, helping teams create cloud-native systems and transition existing workloads to containerized infrastructure. His work focuses on building reproducible infrastructure, optimizing cloud costs, strengthening security, availability, and performance, and automating software delivery pipelines to support reliable operations.

Alan is a senior front-end developer with more than 15 years of experience building products using React, TypeScript, and GraphQL. He has led SaaS revamps, built dashboards, implemented e-commerce sites from designs, and developed local-first mobile apps using Next.js, React Native, Tailwind CSS, and Prisma. His focus is on creating performant, reliable, and maintainable front-end code.

Tomas is a web developer with extensive experience designing and scaling front-end architectures across React and Angular. He has led framework evaluations, application rewrites, and performance-focused refactors for production systems. Known for his business-focused approach, Tomas prioritizes simplicity, maintainability, and making clear architectural trade-offs.

Laszlo is a solutions architect and senior software engineer with deep expertise in microservices, gRPC, REST, and large-scale distributed systems. He has led high-traffic modernization projects across travel, finance, and lifestyle management, working on systems that handle more than 1 billion requests per day and designing cloud-based solutions on Azure and AWS. He holds a master’s degree in IT from the Budapest University of Technology and Economics.

Camille is a senior software developer who builds robust desktop and real-time systems for global clients including e-on software, Hitachi, and Alstom. Specializing in Python, C, and C++, he has delivered solutions for railway systems, power infrastructure, video and imaging, 3D software, and web platforms.

Alex is a senior full-stack developer specializing in Laravel and modern JavaScript frameworks. For more than a decade, he has partnered with companies like Bank of America and built scalable, data-driven applications that integrate data visualization and machine learning using frameworks like Node.js, React, Next.js, Vue.js, Angular, and Django.

Martin is a data scientist and AI engineer specializing in machine learning. After completing his Ph.D. in physics, he developed AI-powered tools and data products using diverse data types, including images, geospatial inputs, and natural language. He also built and deployed an end-to-end pipeline for medical imaging analysis, now in clinical use across Argentina, Brazil, and Chile.

Alex is a seasoned software engineer and manager with expertise in implementing scalable and reliable applications. He is well-versed in Ruby on Rails and React, as well as cloud technologies like AWS and Azure. Alex specializes in Shopify development and was previously a leader on Shopify’s engineering team for more than 10 years.

Akshay is a software developer, CTO, and technical lead with full-stack, web, mobile, and machine-learning expertise. He has deep experience solving real-word problems with AI, and has developed AI algorithms for blood tests to improve diagnostics accuracy and patient outcomes.

Alessandro is a full-stack artificial intelligence, natural language processing, and machine learning engineer. An experienced consultant and architect, he specializes in language technology and AI. He has more than 10 years of experience in NLP and AI, and is the co-founder and CTO of IFS Collective, a company focusing on the use of AI to support talk therapy.

Jedrzej is a machine learning engineer who specializes in AI and data science. He has delivered several NLP-based classification algorithms and reinforcement learning solutions to clients, and has worked alongside researchers at Princeton University developing ML and data analytics tools. Jedrzej has partnered with clients in multiple industries, including service, finance, and insurance.

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.

Reza is a machine learning engineer specializing in natural language processing and computer vision. At IBM, he developed machine learning algorithms designed to improve text classification and automate model training, innovations that resulted in six patents. Reza has a master’s degree in engineering from the University of Toronto.

Joao is an AI developer who holds a Quantum Excellence Certificate from IBM. He specializes in machine learning and deep learning and has partnered with Fortune 100 companies like Procter & Gamble and Hearst. Joao has more than 14 years of experience and holds a master’s degree in computer engineering from the University of Porto.

Sam Sycamore is a Senior Editor of Engineering at Toptal and an open-source web developer. He has more than a decade of experience as a writer and editor across several industries, and has worked with international tech startups and digital product agencies to provide software documentation, educational resources, and multimedia marketing content.