Find top freelance SQL developers quickly and easily on Codementor. Work with our vetted developers who have the proven skills and experience to get the job done. Get help with projects by-the-hour or long-term. Hire a trusted SQL freelancer on Codementor today.
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. My expertise in machine learning enables data-driven decision-making, while my .NET skills meet demanding technical requirements. 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.
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.
With over five years of experience in health logistics management systems, HealthTech, and EdTech, I specialize in developing cloud-based applications. I've participated and led key roles in large projects, optimizing processes, server management, and system performance for efficiency.
Aside being experienced as a hands-on engineer, I have had the priviledge of teaching and mentoring a few tech enthusiasts helping them develop their enthusiasm into full technical proficiency and professional growth.
It has been rewarding to see their passion evolve into tangible skills and career achievements, and witnessing their development has reinforced my own understanding and appreciation of the field. Through this mentorship, I've gained insights into different learning styles and challenges, which has further enriched my own engineering practice and approach to problem-solving.
Senior Software Development engineer in "Bristlecone" for the development of 3pdc telemetry and ascii-minesweeper project under the supply chain partnership of Bristlecone and Google.
https://www.bristlecone.com/bristlecone-joins-google-cloud-partner-advantage-program/
Prior to this, I have worked as a developer with MNC's- Adobe and Newgen and startups- Moveinsync and Zillious solutions.
Skills -
Advanced - java, mysql, postgres, spring, hibernate, spring-boot, Maven/Gradle, microservices, multithreading and concurrency-control, web services(SOAP-based and RESTful), RPC, git, google-cloud-platform(GCP), database modeling, designing db schema, SQL, stored-procedure/function, triggers, docker, kubernetes.
Intermediate - typescript, python, angular, react, API gateway, service-discovery, load balancer, ELK stack, kafka, rabbitMQ, redis cache.
Good understanding of scalable system, backend architecture along with strong hold on Data Structure and Algorithms.
# I'm here to help solve your technical problems to the best of my abilities.
# Get your first session for free ! free ! free ! (t&c applied - convince me you deserve it during our requirement gathering call.....)
# If you are not satisfied with my help, get instance refund !!!
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.
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.
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.
I am a software engineering with 10+ years of enterprise experience in software development, leadership and coaching. My favorite development area is Mobile Development
I am also able to help any person begin a new career or reach the next level in software engineering :)
**GitHub**: [https://github.com/andrewwalsh](https://github.com/andrewwalsh)
**LinkedIn**: [https://www.linkedin.com/in/andrewwalsh-tech/](https://www.linkedin.com/in/andrewwalsh-tech/)
**Personal**: [https://awalsh.io](https://awalsh.io/)
\---
Versatile full-stack freelance software engineer with experience across front-end, back-end, and AI/ML using languages such as TypeScript and Python.
I have built commercial software used by hundreds of thousands of people. Some of my open-source work has been featured #1 on Hacker News, with 1000s of GitHub stars.
I enjoy learning and thrive on difficult yet impactful real-world problems, and welcome new connections.
⮩ 💻 Software Engineering
I began as a self-taught developer through freeCodeCamp in 2016. My first project was Mail for Good https://github.com/freeCodeCamp/mail-for-good.
Since then, I have continued to practice my craft and improve. I later took on a part-time MSc in Artificial Intelligence at the University of Bath to augment my skills and learn the fundamentals of AI/ML and mathematics.
⮩ ⚙️ Back-end Development
As a back-end developer, alongside employment I created the open-source project https://github.com/AndrewWalsh/openapi-devtools, and gave talks on the topic of automation of underlying API contracts via the OpenAPI standard at LaunchAcademy in Vancouver, Canada. And at API Conference in Berlin, Germany.
I have extensive experience with REST and GraphQL APIs. I am also experienced in system architecture and have designed systems such as InsurTech validation workflows.
⮩ 🎨 Front-end Development
Advanced knowledge of TypeScript, JavaScript, and frameworks like React. Broad experience across a range of front-end projects, including Electronic Health Records for telemedicine, dashboards for Kubernetes, and data analytics platforms.
Robust understanding of the broader front-end ecosystem and advanced topics such as accessibility, web workers and service workers, bundling and practices such as code splitting, responsive design, various approaches to state management, and UX.
⮩ 🤖 Artificial Intelligence and Machine Learning
Completed 12 8-week modules for a Master of Science in Artificial Intelligence at the University of Bath, with only the dissertation remaining.
I have developed neural network models for HealthTech companies, and created data engineering projects for startups in the USA. Proficient with libraries such as Pandas/NumPy and data science practices.
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.
How to hire a freelance SQL developer on Codementor
STEP 1
Post a SQL request
We'll share your request with freelancers with relevant SQL skills and expertise.
STEP 2
Review & chat with SQL freelancers
Use our messaging feature to instantly chat with freelance SQL developers around the world.
STEP 3
Hire the best SQL freelancer
Choose the best freelance SQL developer that meets your needs.
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.