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Top freelance SQL developers available to hire

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Freelance SQL Developer - Adrian Segui
Freelance SQL Developer5.0 (187 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 (208 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 - Heather Soron Kaminski
Freelance SQL Developer5.0 (5 reviews)

I'm a multi-talented senior-level developer with a focus in webdev and Linux servers, and have experience working with various sorts of code on various projects. I have very strong troubleshooting skills, am adept at learning new tech, and have some secondary cybersecurity experience (such as conducting informal security audits). I'm enthusiastic about sharing knowledge, am practiced at explaining how code works, and am eager to help people learn about programming! Availability is typically 11am - 11pm local time (UTC+7), although I have an hour or two of flexibility on that.

Freelance SQL Developer - Emmanuel Gbenga
Freelance SQL Developer5.0 (29 reviews)

Hello, I am Emmanuel and I have over 6 years of hands-on experience in software development, data analysis, and machine learning. I've always prioritized writing scalable, well-documented code. I prefer to work collaboratively, but I can also manage projects on my own. My short-term and long-term goals are to become a tech leader and to launch a tech startup.

Freelance SQL Developer - Aasif Khan
Freelance SQL Developer5.0 (2 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 - Quincy Kwende
Freelance SQL Developer5.0 (3 reviews)

I’m a Software Engineer with over a 14 years of experience in full-stack development. Skilled in various programming languages and frameworks, including Python, Node.js and PHP. I excels in building and optimising complex systems. With a strong background in cloud platforms like AWS and expertise in agile methodologies, I’m a proactive team player committed to delivering high-quality solutions and continuously learning and adapting to new challenges.

Freelance SQL Developer - Warith Omoyele
Freelance SQL Developer5.0 (131 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 - Sourav Paul
Freelance SQL Developer5.0 (52 reviews)

Sourav is a Senior Software Developer at IBM Research Lab. He is working as a Full-Stack Developer in building highly scalable, resilient distributed systems. Sourav will help you with to prepare coding interviews, System Design for FAANG and other top product companies Have been passionately solving Leetcode, HackerRank, Codechef, Codeforces, Codesignal problems, and enthusiastically solving problems with the analysis of space... ♛ Career Domain - ▪️ Data structures & algorithms. ▪️ Large-scale distributed systems(HLD/LLD). ▪️ E2E Backend system architecture(API Gateways/LB/Cache/DB/Messaging Queues/Microservices). ▪️ REST APIs/Data Streams/Batch Jobs/Event-driven systems. ▪️ Java/Rx/SpringBoot/Hibernate/MySQL/Cassandra/Docker/Kubernetes/CICD/Git/Cloud. ▪️ Software engineering mentorship to the freshers/experienced professionals. ♛ Key Responsibilities - ▪️ Building scalable quality software solutions by designing, writing code, and unit tests through consistent development practices with a focus on continuous integration/continuous deployment, continuous monitoring, and automated testing(TTD/BDD). ▪️ Debugging software components, identifying code defects, and remediating the buggy flow. ▪️ Participating in code reviews and collaborating on best practices with colleagues. ▪️ Enabling the deployment, support, and monitoring of software across test, integration, and production environments. ▪️ Identifying opportunities for adopting new technologies. ▪️ Demonstrating increased self-reliance to achieve team goals. Influencing team members with creative changes and improvements by challenging the status quo and demonstrating risk-taking. ▪️ Effectively interpreting technical & business objectives, functional/non-functional requirements, involved challenges, and articulating solutions. ▪️ Collaborating with a team of Engineers, Scrum Master, and Product Owner to effectively achieve objectives by clearly communicating ideas and concepts. ▪️ Mentoring and guiding junior team members to success within the team. ▪️ Interviewing college grads/senior engineers as part of global hiring events across the org. ```Feel free to reach out for anything related to,``` ▪️ Software Design/Development/Prototyping/Pair coding. ▪️ Web Technologies/API design/Code reviews. ▪️ Career development/Consulting/Training/Mentorship/Interviews in technology/DSA/System Design. ▪️ Business Idea and its transformation into technology.

Freelance SQL Developer - Duc Duy Bui
Freelance SQL Developer5.0 (430 reviews)

Freelancer, Professional with over 13 years of experience specializing in developing solutions for finance and insurance companies. My strength is learning new technologies fast and I'm a technology enthusiast.

Freelance SQL Developer - Ibikunle Samuel
Freelance SQL Developer5.0 (14 reviews)

This is Samuel Software Engineer and lecturer, I am excited to introduce myself to you. I have been passionate about this industry to work as dedicated AI Engineer with over three years of experience in developing and deploying AI applications and Saas business, specializing in machine learning, deep learning, with Next.js and AWS services. Proven track record in delivering end-to-end AI solutions that enhance user experience and operational efficiency. Seeking a challenging role where I can leverage my expertise in AI and ML, NLP, Generativeai MLOPS and LLMOPS to contribute to innovative projects in a dynamic, forward-thinking environment. for many years and have dedicated myself to continually learning and growing within this dynamic industry. what excites me most about Organization position is the opportunity to work with forward thinking teams and contribute to innovative projects that a real impact. I'm particularly to drawn to the collaborative environment and the chance to work with cutting edge technologies. To top the three reason you should hire my proven track record of success. My strong analytical and problem skills and my dedication exceptional results. I am available to start immediately upon hiring. I am willing to work according to time zone in order to have good communication and team work. Thanks

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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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