You will get a database performance audit for a Node.js Web Application
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Project details
You will get a database performance audit for a Node.js Web Application. I will review database structure query patterns indexes data access bottlenecks caching opportunities and backend performance risks. This is useful for SaaS CRM dashboards admin panels marketplaces booking platforms and internal tools where slow database operations affect the user experience. You receive a practical list of fixes and priorities for improving database reliability and supporting future Web Application growth.
Database Type
MySQL, PostgreSQL, MongoDBWhat's included $90
These options are included with the project scope.
$90
- Delivery Time 3 days
- Number of Revisions 0
38 reviews
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AK
Alina K.
Aug 12, 2026
Full Stack Developer, React developer, Node.js, Directus
Excellent response speed and product approach. Andrey is a mind reader! A great collaboration experience.
LP
Liudmyla P.
Jul 31, 2026
React Developer for Web Application | Full Stack developer React Node | Node.js, Directus
It was a pleasure working with this freelancer. He proved to be a highly skilled Full Stack Developer with strong expertise in React Node.js and Directus. He was detail-oriented, solution-oriented, reliable and consistently delivered clean, high-quality code
HK
Hanna K.
Jul 23, 2026
React / Full Stack Developer (React + Node.js)
Great React Developer and Node.js Developer! Delivered high-quality work using React, Node.js. Very strong technical skills, clean code and a truly detail-oriented and solution-oriented approach as a Full Stack Developer React Node. Communication was smooth, proactive and clear, especially when handling complex Directus integrations. Would gladly work together again on future projects! Highly recommended.
LS
Laura S.
May 6, 2026
Senior Next.js Developer for Premium Marketing Agency Website (FR/EN/DE, Animations, Headless CMS)
I’m thrilled with the results for my website.
Communication with Andrew was seamless. He was very responsive.
He has a wealth of experience and offered solutions tailored to my needs.
I highly recommend his services and look forward to working with him again on future projects.
Communication with Andrew was seamless. He was very responsive.
He has a wealth of experience and offered solutions tailored to my needs.
I highly recommend his services and look forward to working with him again on future projects.
MI
Mariia I.
Mar 26, 2026
React Next.js Node.js Full-Stack Developer
It was a very positive experience working with Andrew. He delivered high-quality work within a short timeframe and maintained clear, professional communication throughout the entire process.
Andrew quickly understands requirements and demonstrates deep knowledge of the technologies involved, including React, Next.js, and Node.js. He is a truly experienced full-stack developer.
Everything was completed efficiently and with great attention to detail. I’m extremely happy with both the process and the final result - 11/10!
Thank you for the great work 🙌
Andrew quickly understands requirements and demonstrates deep knowledge of the technologies involved, including React, Next.js, and Node.js. He is a truly experienced full-stack developer.
Everything was completed efficiently and with great attention to detail. I’m extremely happy with both the process and the final result - 11/10!
Thank you for the great work 🙌
About Andrew
React Developer Full Stack developer React Node Front End Developer
100%
Job Success
Tallinn, Estonia - 5:09 pm local time
✔️14+ years of professional development experience as Full stack developer
✔️40+ admin panel client portals delivered as React native App developer Full stack developer React Node
✔️50+ EU and US B2B clients served
✔️60+ SaaS platform, CRM system, dashboard product built
✔️130+ successfully completed project
✔️React Developer | Full Stack Developer ( Full stack developer AI ) expertise
React Developer and Full Stack Developer building custom Web Application product for B2B clients, backend through interface, shipped as production-ready solutions
Most days bring Full Stack Developer React Node delivery at ZAGROZA, where a Node.js backend developer plus a Front end developer React carry one business workflow end to end
As Node.js Developer I hold the data layer, roles and permissions, authentication and REST API logic under each product
The Web developer ( MERN stack ) side targets down-to-earth Web Application Development that stays maintainable, scales, ships, clean API Integration at its centre
✔️130+ project finished successfully
✔️14+ years of professional development, all as Full stack developer
✔️200+ REST API integration shipped
✔️60+ dashboard product, CRM system, SaaS platform built
✔️50+ B2B clients served across the US and EU
✔️40+ client portals, admin panel delivered as Full stack developer React Node and React native App developer
✔️Led development teams of up to 6 specialists
✔️Full Stack Developer ( Full stack developer AI ) | React Developer expertise
My React Developer output covers Web Application interfaces built from Responsive UI , TypeScript, Next.js, React.js, hooked to live data via API Integration, so screens arrive fast and usable
Under the Backend Developer and Node.js Developer labels I put together CRM integration, payment flows, permissions, roles, authentication, ExpressJS services and the REST API layer, blending a UX Designer mindset with engineering craft, moving each solution backend through interface. Many clients reach for a Node.js Developer once a frontend exists, yet the business logic, data model, API still need doing properly. Backend Developer work keeps the Node.js layer documented and predictable; Node.js Developer work handles API Integration touching frontend, database, third-party services.
Picture a usual Full Stack Developer React Node engagement: an internal business tool or SaaS platform with a Node.js backend, React frontend, structured database, plus an admin workflow for the staff behind it. Each Full Stack Developer React Node build has me shaping the permissions model, the dashboards, the REST API , the database structure so growth never breaks it. That Full Stack Developer React Node method holds backend and frontend inside one system, and one Full Stack Developer React Node engineer keeps Node.js Developer and React Developer choices aligned across the whole job
There is also the Headless CMS Developer | Directus Developer track. Across 20+ data-heavy, content-driven products I lean on Strapi, Directus CMS as the headless backend, handing clients an API-ready foundation plus a tidy admin panel. As Directus Developer I shape the data, apply roles and permissions, link a React frontend over REST API ; the Strapi Developer version repeats it on Strapi. Headless CMS built with Directus CMS sits beside my Node.js Developer, React developer firebase delivery
Stack: JavaScript, TypeScript, Node.js, Next.js, React.js, React at application level; API Integration, REST API , ExpressJS at service level; Supabase, Firebase, MongoDB, MySQL, SQL for data; Strapi | Directus CMS for headless content. Admin workflows, filters, data tables, dashboards, payment flows, permissions, roles, authentication are routine ingredients in my Web Application Development
As JavaScript Developer and Web Developer, the code I leave stays readable and extendable for whoever comes next.
Typical briefs clients bring me: client portal, e-commerce platform, dashboard, internal business tools, admin panel, booking website, marketplaces, lead generation website, CRM development, SaaS platform development, and API-based Web Application work carrying business automation with workflow automation.
Related searches that bring clients to me match the stack I really run
⚛️ React developer side:
13K+ hrs, Front-End Developer Full-Stac
30+ projects, Full Stack Developer Supabase React
8+ yrs as React next js developer ( nextjs )
8+ yrs, React Native Developer
⚙️ Full stack developer side:
50+ B2B clients - Senior Full stack .net
32 mobile apps, Full stack React Native Spring Boot
200+ API integrations - Full Stack Developer Shopify
130+ projects - Senior Full Stack Developer
60+ SaaS & CRM builds via Full Stack Node.js React
15+ AI integrations - Full Stack Developer AI
10K+ profiles/day - Python Full Stack Developer
Steps for completing your project
After purchasing the project, send requirements so Andrew can start the project.
Delivery time starts when Andrew receives requirements from you.
Andrew works on your project following the steps below.
Revisions may occur after the delivery date.
Interview step
Describe the algorithm