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Top freelance SQL developers available to hire

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Freelance SQL Developer - Adrian Segui
Freelance SQL Developer5.0 (193 reviews)

Working in the IT sector for more than 10 years. With over 10 -years of freelancing and professional experience taught me all kinds of frameworks and languages, ranging from React, Angular, Vue, Node js, Express js, React Native, Redux, Rx JS, JavaScript, Typescript, WordPress, PHP, MySQL, MongoDB, Firebase, Sqlite, Postgresql, ES5+, Python3, Machine Learning, Deep Learning, RNN, CNN, Android Java/Kotlin, iOS Swift/SwiftUI, C/C#/C++, .Net, Assembly, VBA, VB, Excel Macro, Java, Spring Boot Micro-services, Zoho, Salesforce, Hubspot, R, Shiny, STATA, MATLAB, Google Sheet, App Script, Bubble io, etc. Over my long career, I have come across all kinds of challenges and gained vast experience with different kinds of industries like portals, medical industry, perception exercise, employee management, etc. I have good experience with frontend development using React JS along with Typescript, Firebase, GraphQL, React Native, Native Script, React, Material UI, Ionic, Node.js, Web Sockets, and real-time communication. I have also worked on containerization technologies like Kubernetes, Docker, AWS, GCP, Azure etc. I am very good with backend technologies as well like Java Spring boot, Microservices, MySQL, Postgres, Elasticsearch, AWS/Google integration. Please contact me to get the result done in a professional way.

Freelance SQL Developer - Olamide Soyoye
Freelance SQL Developer5.0 (234 reviews)
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As a seasoned engineer with over five years in complex software systems across multiple industries (such as Logistics systems, HealthTech, EdTech, among others), I bridge the gap between complex technical challenges and accessible solutions. My expertise in cloud-based applications isn't just about writing code, it's about making technology work for people. Whether you're struggling with debugging code, designing efficient algorithms, or navigating complex system architectures, I've been in your shoes. I've developed enterprise applications from the ground up and guided hundreds of learners through challenges ranging from basic syntax errors to advanced architectural decisions. **What sets me apart? I don't just solve problems, I help you understand them. My approach combines hands-on engineering experience with a talent for explaining complex concepts in straightforward terms. From untangling complex code issues to optimizing system performance, I translate technical challenges into clear, actionable steps**. My greatest achievement isn't the systems I've built, it's watching my mentees transform from curious beginners to confident professionals. This journey has sharpened my ability to meet you exactly where you are—whether you need an expert to help resolve a persistent bug or a patient guide through new programming paradigms. **Let me help you turn technical obstacles into opportunities for growth.**

Freelance SQL Developer - Warith Omoyele
Freelance SQL Developer5.0 (133 reviews)

With years of experience in finance, web3, and education, i specialize in developing cloud-based applications. I've led key roles in large projects, optimizing processes, server managements, and system performance for efficiency. My dynamic problem-solving approach drives creative solutions, always staying updated with the latest technical breakthroughs to enhance my skills.

Freelance SQL Developer - Kodaolu Idris Aremu
Freelance SQL Developer5.0 (62 reviews)

Engineer with a strong sense of appealing user interfaces, efficient software design, and outstanding online platforms. I use my stack to create scalable and high-performing web solutions. I am a full-stack software engineer who is passionate about creating amazing products and collaborating with other exceptional engineers to find quick fixes for issues.

Freelance SQL Developer - tiamiyu adetayo
Freelance SQL Developer4.9 (24 reviews)
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Hi wonderful clients. I am a dedicated engineer with excellent communication, time management and computer skills. I aim to leverage my abilities to successfully solve whatever challenges you may face in my field. Frequently praised as hardworking by my peers, I can be relied upon to help achieve your set goals. WIth several years of dexterity with several web development tools such as Reactjs, AngularJs, NodeJs, Postgres, MySql, Laravel, Php, Ionic framework, i position myself to be amongst one of the best in the software engineering field.

Freelance SQL Developer - Aasif Khan
Freelance SQL Developer5.0 (4 reviews)

Experienced Software Engineer specializing in distributed systems and scalable architectures. Skilled in React, Next.js, TypeScript, Golang, and backend scheduling systems. Passionate about backend performance optimization and open-source contributions, with contributions to dicedb and open-feature/flagd.

Freelance SQL Developer - Opeoluwa Lanre
Freelance SQL Developer5.0 (116 reviews)

A full-stack software engineer passionate about crafting scalable, high-performing web solutions. With a strong focus on appealing user interfaces, efficient software design, and outstanding online platforms, I leverage my tech stack to build exceptional products. I thrive on collaborating with other talented engineers to deliver quick and effective solutions.

Freelance SQL Developer - Olajide Olanrewaju
Freelance SQL Developer5.0 (233 reviews)
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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.

Freelance SQL Developer - Abdulganiyu Abubakar
Freelance SQL Developer5.0 (39 reviews)

I am a software developer with years of experience and proven track record of accuracy and commended performance in modular and object oriented programming with dedicated and exceptional work ethic and passion.

Freelance SQL Developer - Sukhrobbek Gayratov
Freelance SQL Developer5.0 (26 reviews)

Experienced software architect and developer with over a decade of expertise in building cloud-based applications. I specialize in web development, creating scalable, high-performance solutions, and have extensive experience in machine learning, including developing predictive models and integrating AI features to enhance applications. Proficient across the full software development lifecycle, I excel at understanding complex codebases, addressing bugs, refactoring for performance, and implementing new features to meet evolving requirements. Committed to Object-Oriented Programming principles and design patterns, I ensure code is clean, maintainable, and scalable. I focus on delivering well-tested, reliable solutions that support long-term success. I thrive in collaborative environments, valuing open communication and innovative problem-solving. Driven by a passion for technical excellence, I consistently deliver solutions that align with user needs and business goals.

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Frequently asked questions

How long do SQL projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance SQL project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance SQL request on Codementor, check out our article.

How much does it cost to hire a freelance SQL developer?

We don’t charge anything when you post a freelance hiring request for SQL developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor SQL developers different?

We do a comprehensive technical and communications screen of all SQL developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing SQL developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your SQL project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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