Toptal is a marketplace for top remote SQL developers. Top companies and start-ups in NYC choose Toptal SQL freelancers for their mission-critical initiatives.
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SQL Developer
Charles is an application and database developer with more than 5 years of experience. He has been the database owner of multiple products—including an auto...mation tool used extensively in asset management at JPMorgan Chase and a bank deposits pricing tool with 20+ clients and more than $1 billion under analysis.
SQL Developer
Mike is an experienced freelance Ruby developer who also has real world experience in JavaScript, C#, C++, Java, and SQL. He has more than 10 years of exper...ience in a wide variety of environments, including IT consulting, in-house web development/data architecture, and freelance contracting.
SQL Developer
Sean is a passionate polyglot developer with extensive experience in full-stack web development, system administration, and data science. He is capable of w...orking in both Linux and Windows environments and has developed everything from machinery interface to market intelligence software. Sean is also an excellent communicator and spends his spare time coaching speech and debate.
SQL Developer
Kevin is a programmer, scientist, and designer, He utilizes his diverse background and skill sets to work with the client to first understand and clarify th...e true requirements of the product and then implement clean, sustainable products which are built with longevity in mind.
SQL Developer
Sam is a senior freelance developer and architect with over 20 years of experience developing in the financial industry.
SQL Developer
David is a senior developer and systems architect experienced in financial, media, social media/networking, retail, insurance, eCommerce, manufacturing, and... accounting industries with expertise in web applications and OO software, physical and logical relational databases, and installation and configuration of operating systems and software on Unix, PC, Mac, and mainframe platforms.
SQL Developer
Roman is a data scientist who has also worked as an engineer for a number of years. Due to his diverse background, he can blend together low-level data engi...neering with advanced analytics and cutting-edge artificial intelligence. Lately, he's been heavily involved in projects dealing with machine learning and artificial intelligence.
SQL Developer
Jonathan is a seasoned DevOps engineer based in Tokyo and New York. He's worked for several startups building their infrastructures and improving security.... He's exceptionally knowledgeable about machine learning, data analysis, infrastructure development, and data layer optimization. One of his best qualities is his knack for quickly learning new things, which is why he landed in DevOps because it is the best field for trying new technologies.
SQL Developer
With 5 years of experience in DevOps, Remi understands that dev and ops teams have fundamentally different goals. Developers want their code released ASAP w...hile sysops want to avoid system failure. He is a problem solver who strives to bridge the gap between both teams by delivering reliable and automated systems. This leads to shorter release cycles, better communication, less conflict, lower IT costs and lets you focus on growing your business.
SQL Developer
An is a quick and deep learner and a versatile developer specializing in AWS, DevOps, Python, PHP, and automation. He is the type of engineer who eats probl...ems for breakfast, automates and optimizes processes for lunch, and for dessert, he finds a good challenge very appetizing.
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Migrating in either direction between Microsoft SQL Server and Oracle Database? This round of pitfalls to avoid includes coverage of sequences, identity columns, and filtered indexes.
Migrating in either direction between Microsoft SQL Server and Oracle Database? There are some significant pitfalls to be aware of...
SQL window functions are calculation functions similar to aggregate functions but, unlike normal aggregate functions like "group by," have access to individual rows and can even add some of their attributes into the result set. In this article, Toptal Freelance SQL Developer Neal Barnett explains the benefits of SQL functions, describes when you’d use them, and gives you real examples to help with the concepts.
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