Toptal is an exclusive network of the top freelance software developers, designers, finance experts, product managers, and project managers in the world. Top companies hire Toptal freelancers for their most important projects.
Gabriel is a highly efficient and reliable professional who possesses a broad skill set for web application development. He's been working on a range of products and clients—from working on scalability problems in production engineering teams at Shopify and Autodesk to launching new applications for startups. Most of his work consists of leading technical teams, by creating an easy development environment, fixing technical debts, providing best practices code examples, and mentoring devs.
Justin is a technical professional with a passion for learning and 15+ years of experience leading teams to build enterprise-grade distributed applications that solve real-world problems. He is a firm believer that collaboration across all facets of a business, from development to marketing to sales, is required to succeed in this endeavor.
Frédérique is a software engineer and entrepreneur with an MSc in theoretical physics from Imperial College London. He excels at building full-stack systems with the web, desktop, and mobile apps, microservices, and external integrations. Frédérique co-founded an international marketing agency and three startups in developer tools, cybersecurity, and AI. Frédérique regularly releases TypeScript packages and contributes to other open-source projects.
Mentored at Apple, Osandi has spent over ten years helping teams create human-centered products that delight customers. After a product role at Square, he led and directed a remote team of five engineers, built and grew a lifestyle brand, and cut his teeth as a designer in a founder role. As one of Toptal's elites, he's changed the way organizations solve problems for their users, as well as produced world-class interfaces across B2B/B2C markets. Osandi is currently innovating crypto fintech.
Adrien is a French UX designer with more than 13 years’ experience in design, user experience, interaction design, and visual identity across a broad range of industries. He's had the opportunity to work with big accounts such as LEGO Education and MIT. He applies user-centered methodologies to help internal and external teams write product requirements to deliver research insights, experience maps, information architecture, and wireframes.
Jake is an award-winning designer who uses storytelling, art, and technology to instigate positive social change and build stronger businesses. He's worked with a range of Fortune500 companies, major nonprofits, government agencies, and startups. Over the last ten years, Jake's work has helped these companies change their public image, reach broader audiences, and impact more lives. He'd love to collaborate with you on your next big challenge.
Anuar has participated in transactions across the Americas, totaling more than $7 billion over the past 12 years. He has extensive experience working with C-level executives and helping many Fortune 500 clients with corporate and growth strategy projects, M&As, valuations, and JVs. Anuar holds an MBA from INSEAD and a BS in economics from ITAM.
Francesco has more than fifteen years of experience in research, finance, consulting, and business management. During this time, he has worked on 20+ projects as a consultant at Bain & Company and launched Uber operations in Turin, Italy. Lately, he has founded Tondo, an organization focusing on the circular economy, and Novu, a company driving the implementation of clean and circular innovations. Francesco is passionate about innovation and entrepreneurship.
Neil is a CFO for growth companies and a former equity analyst at Goldman Sachs in NY where he helped lead numerous transactions including Zipcar's $1.1 billion IPO. He was also an equity analyst at Barclays Capital & Lehman Brothers and began his career at a boutique investment bank (M&A, restructuring, debt financings). He's built his operational skills both as a startup founder and as the CFO of an East Africa-focused impact investment firm.
Marco started out as a software developer but moved on to more suitable roles—scrum master and Agile project manager—which he’s been successfully occupying for over the past decade. His technical background and business-oriented mindset facilitate effective communication with development teams and with different business stakeholders. Recently in his latest projects, he also works as an Agile coach to foster scrum adoption.
Meko has been working with technology and software development since the early 1990s, initially in website development, then transitioning to managing general development delivery, system integration, project teams, and project portfolios. Her industry experience has included several telcos and technology start-ups. Most recently, she has begun coaching waterfall-to-Agile transformations and has helped several SMEs with their migration to Scrum.
Geeta is a veteran senior project manager and technology delivery lead who's experienced in both Agile and Waterfall development methodologies. She specializes in delivering technologies and transforming business processes in financial services. Geeta has leveraged strong communication and problem-solving skills to successfully manage complex and large technology projects that deliver business value.
David has successfully managed many software projects—optimizing business processes and enhancing value. His expertise is in the areas of technology consulting, app integration, mobile, and UX and has a proven track record of steering all phases of the SDLC to successfully translate business objectives into comprehensive technical solutions for mobile, desktop, and web. He also has nearly a decade of experience leading Agile projects and teams.
Umberto is a product leader with 18 years of international experience across vision, strategy, and delivery in a variety of capacities. His portfolio includes world-class native apps and responsive websites for the travel, finance, telco, and media industries and his specialty is in digital transformations in international contexts. Umberto also holds an executive MBA from the Michael Smurfit School of Business.
Brad has successfully architected, sold, implemented, and managed complex projects and products during his tenure. His experience has allowed him to work in and with multiple countries around the globe. With experience in online commerce, online marketplaces, and education, he has built and successfully managed teams large and small, on and offshore. He is a thinker and a doer and understands how to manage difficult projects.
Time and date manipulation is notoriously difficult. Developers encountering time zone rules, leap seconds, differences in locale-specific formatting are wise to resort to popular time and date manipulation libraries. But without thinking about how exactly they work, it's still easy to create all sorts of obscure bugs.
