Hire Freelance Senior Ruby Developers and Engineers
Reza Jelveh
Freelance Senior Ruby Developer
Reza has worked as a CTO for various startups and a German government institution with a one billion revenue that needed restructuring. Ever since he dismantled his first VCR over 30 years ago, Reza has been passionate about building meaningful hardware and software that people use and love. His obsession has grown to include a love for solving complex problems across a broad spectrum of technologies.
Show MoreDaniel Ramteke
Freelance Senior Ruby Developer
Daniel is a full-stack developer with 15+ years of professional experience in iOS, Android, and server-side development. He developed several apps and published them on the App Store. Daniel's an experienced mentor who can explain technical concepts and support non-technical people in making informed decisions. He'd love to help his clients build apps from scratch and reboot older projects, as he excels at organizing projects, hiring new roles, and managing the development process.
Show MoreCosmin Rusu
Freelance Senior Ruby Developer
Cosmin worked at Amazon, Google, and Apple on highly-scalable, distributed systems, and machine learning focused on NLP (Siri team). He worked for a startup called Kuende, writing Scala and Go microservices on top of Google Cloud. Cosmin has a strong background in advanced algorithms and data structures in C/C++ and is very passionate about machine learning.
Show MoreEsteban Muñoz Solís
Freelance Senior Ruby Developer
Esteban has over 13 years of experience developing software and 11 years developing full-stack web applications in Ruby on Rails. He's used to working both remotely and directly with clients. This experience has given him excellent communication skills with both clients and co-workers. He has a master's degree, is very proactive, and likes professional challenges, so he's always looking for projects that can make both him and the client grow.
Show MoreAshwin Mangale
Freelance Senior Ruby Developer
Ashwin is a computer science professional with over a dozen years of experience. From studying the Linux kernel as a part of his academic studies to building a scalable, transactional order management system to travel/trip organizer engine, he has done it all. He has been a member of key product development teams including those at the most widely used database.
Show MoreArnaud Mesureur
Freelance Senior Ruby Developer
Arnaud has a proven track record of managing engineering teams and building scalable web applications in fast-paced environments. His experience ranges from building high-end web performance analytics platforms to being the head of engineering of a successful online marketplace. He has recently led a two-year project to design and build a payment platform handling millions in transactions for one of the largest micro-mobility operators globally.
Show MoreLucian Văcăroiu
Freelance Senior Ruby Developer
Lucian has 17 years of professional experience as a full-stack developer and solution architect. He's built web apps optimized for large-scale production performance and worked extensively with PHP, JavaScript (including Node.js, Vue, and React), SQL, NoSQL database back ends, and many AWS technologies. His skill set includes advanced topics like serverless architecture and modern data-mapping design.
Show MoreDanilo Cabello
Freelance Senior Ruby Developer
For over the past decade, Danilo has been working as a software developer creating web apps and software that can scale. At his current employment, he’s successfully occupied several roles such as full-stack developer, team lead, manager, back-end developer, and he’s now working on a team that is responsible for the development tools. Danilo champions best practices and helps developers to be more productive by providing reusable software.
Show MoreAlexandre Mondaini Calvão
Freelance Senior Ruby Developer
Alexandre is an expert Ruby on Rails developer who is also experienced with Java and various front-end technologies. In addition, he's worked extensively with WebRTC, building video-based web apps from scratch and many back-end APIs to be consumed by Angular and React.
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