Hire Freelance Open Source Developers and Engineers
Peter Goldstein
Peter is a hands-on developer, architect, CTO, and technical founder passionate about using best practices to quickly build high-quality products. He has over 20 years of experience building full-stack applications. Peter specializes in Ruby on Rails and Go but is a software generalist who is comfortable working in many languages. He is a committed open-source enthusiast who leverages open source to reduce both the cost and time needed to build the products and features he creates.
Show MoreSteve Talbot
As a serial co-founder of tech startups, Steve has worked with a wide range of technologies and supported many engineers to do their best work—whether by troubleshooting a specific technical issue, improving the engineering process, or simply acting as an independent mentor.
Show MoreSamuel Lock
Samuel is an AWS-certified senior engineer specializing in serverless development and DevOps/platform engineering on AWS. He has experience delivering serverless REST APIs and data-ingestion pipelines, all powered by AWS Lambda. He has also worked in a DevOps role and considers himself an AWS CloudFormation, CI/CD, and automation expert. Samuel has a background in two early-stage startups, one of which handled medical data.
Show MoreSylvain Vittecoq
Sylvain's been a CTO, engineering manager, and senior software engineer in the US and Europe. He is a very hands-on, result-oriented expert in Java and solution definition and can work with anyone from engineers to C-level execs. Sylvain's delivered nationwide security infrastructures for millions of devices and connected millions of eCommerce users. Sylvain founded FileChain to offer next-generation blockchain platforms for large-scale Web 3.0, Industry 4.0, and NFT decentralized marketplaces.
Show MoreMilana Cap
Milana is a self-taught WordPress/PHP engineer. She started learning PHP in 2008, WordPress in 2009—and has been working as a freelance WordPress theme developer since 2010. She's been a full-stack engineer since 2011 and a full-time WordPress theme developer and project lead since March of 2015.
Show MoreErik Arakelyan
Erik is an ML researcher currently pursuing a PhD in machine learning at the University of Copenhagen (UCPH), specializing in topics of NLP, Knowledge Graphs optimizations, and explainability in NLP. He is looking for opportunities to apply his deep learning and software engineering skills in an exciting and challenging project.
Show MoreErdinc Mutlu
Erdinc is a software engineer with 24 years of experience and extensive software and systems development skills in multinational companies. He has solid knowledge of the back end, fintech, payment systems, cryptocurrencies, AWS, GCP, test automation, and digital communication systems. He is highly proficient in Go, Python, ANSI C, C++, test automation, embedded systems, device drivers, Linux, and real-time operating systems. Erdinc is proactive, highly organized, and self-motivated.
Show MorePatricia Cobelli
Patricia is a self-taught machine learning engineer with expert knowledge of computer vision. She can handle every step of a machine learning solution, from data engineering to model training and deployment on AWS. Patricia is finishing her master's studies and collaborating on her thesis with researchers at Brown University.
Show MoreIvan Voras, PhD
Ivan has a Computer Engineering PhD. He has worked as a CTO and a system architect, founding multiple projects and businesses. He has experience architecting and implementing server-side solutions, including distributed platforms, such as blockchains, chat servers, and game back-ends. He helped establish the Toptal blockchain specialization, served as a tech screener, and lectured for Toptal Academy.
Show MoreStepan Birukov
Stepan is a site reliability engineer focusing on Linux automation, open source, and security. He has 7+ years of experience managing mission-critical Linux−based server clusters and network equipment. As an operations engineer, Stepan excels in Unix−based server platforms, internal Linux−based operation systems, Linux kernel, AWS services, and Google Cloud Platform.
Show MoreShivam Singh
Shivam is an accomplished technology leader with a proven track record of leading teams and building complex, large-scale distributed systems. He is an expert in scalability, performance, web applications, real-time systems, distributed systems, and fintech. Shivam led teams of 28 and increased the user base by shipping new products and experiments. Strong communicator and leader, able to mentor and coach other engineers.
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