Balti, Balti, Republic of Moldova
$35/hr · Starting at $40
Is your application struggling with slow response times, high memory usage, or scaling issues? I specialize in deep-level Node.js optimization and architecting systems for maximum efficiency. I have a…
Zaporizha, Zaporiz’ka Oblast’, Ukraine
$55/hr · Starting at $500
Does your PHP application suffer from slow load times, spaghetti code, or outdated architecture? As a Senior PHP Developer with 10+ years of experience, I specialize in handling heavy-lifting backend
Port Said, Bur Sa'id, Egypt
$50/hr · Starting at $1,500
Every software system eventually encounters performance issues, unexpected errors, or code quality problems that affect its stability and user experience. Whether your application is behaving unpredic…
Volgograd, Volgograd, Russian Federation
$16/hr · Starting at $32
Programming and technical artistry of desktop/mobile games/apps: programming: architecture, algorithms, data structures, maths, physics, performance, refactoring, maintainability, reducing bus factor
Lahore, Punjab, Pakistan
ID Verified
$35/hr · Starting at $100
I engineer pixel-perfect Webflow, Framer, and custom Frontend architectures that translate complex Figma designs into high-converting, blazing-fast, pixel-perfect, and fully responsive web application…
Laguna Beach, California, United States
139,025/yr · 98.6%
$25/hr · Starting at $500
Code Optimization Services for High-Performance Applications. Looking for professional Code Optimization services to improve your application speed, scalability, and performance? YES IT Labs LLC dba
Conway, Arkansas, United States
181,835/yr · 100%
$70/hr · Starting at $2,000
I provide hands-on React and Node.js development for teams that need experienced help building, extending, or maintaining JavaScript-based applications. This service is focused on implementation work
Pune, Maharashtra, India
10,964/yr · 100%
$30/hr · Starting at $50
Debugging, troubleshooting, optimizing old applications written in Microsoft Visual Basic ver. 5 or ver. 6 VB6 Legacy Expertise With over 25 years of hands-on experience in Visual Basic 6, I’ve built
Bhakkar, Punjab, Pakistan
25,556/yr · 100%
Elevate your backend infrastructure with production-grade Haskell solutions designed for robustness, concurrency, and long-term maintainability. As a seasoned Haskell developer specializing in backend…
Mohali, Punjab, India
6,038/yr · 100%
$15/hr · Starting at $25
I am a professional Python developer and debugger with expertise in fixing code errors, optimising performance and building scalable solutions. Whether it’s a small bug, a broken script or a complex a…
Chennai, Tamil Nadu, India
$18/hr · Starting at $25,000
We bridge the gap between legacy business logic and modern cloud ecosystems. By combining enterprise-grade refactoring engines (Moderne / OpenRewrite) with agentic AI (Claude Code, ChatGPT Codex), we
Henderson, Nevada, United States
$20/hr · Starting at $500
Custom WordPress plugin development Plugin customization and feature enhancements WooCommerce plugin development and extensions Custom admin dashboard and settings pages REST API and third-party API i…
23,700/yr · 100%
$10/hr · Starting at $40
Looking for a structured and efficient development approach for your web or app project? I specialize in Model-View-Controller (MVC) architecture, ensuring clean, scalable, and maintainable code for y…
Sahibzada Ajit Singh Nagar, Punjab, India
4,860/yr · 100%
$15/hr · Starting at $100
I’m a full-stack JavaScript developer specializing in the MERN stack (MongoDB, Express.js, React.js, Node.js) with over 9 years of hands-on experience building high-performance, scalable web applicati…
8,428/yr · 99.9%
$5/hr · Starting at $25
As an experienced PHP/Laravel developer for years, I can build a website/web application from scratch. Similarly, I can work on existing Laravel based web applications doing things like Refactoring
6,214/yr · 100%
I am a Professional Android App Developer so the code written will be clean, documented and properly refactored in Android Studio. The UI of android app will be designed as per your requirement and I'…
Shenyang, Liaoning, China
Past Earnings
$50/hr · Starting at $500
Build android and iOS app development in Typescript, React Native. startup or enterprise app development. create and customize react native packages. professional UI design and integrating Rest Api, G…
Eastborough, Kansas, United States
690/yr · 100%
I provide hands-on React and Node.js development that need experienced help building, extending, or maintaining JavaScript-based applications. This service is focused on implementation work within an
$10/hr · Starting at $50
Is your application slow or your database struggling under load? I optimize SQL Server and MySQL databases to dramatically improve performance. I refactor complex Entity Framework LINQ queries into ef…
Noida, Uttar Pradesh, India
$30/hr · Starting at $1,000
I don't build "brochure websites." I build scalable, enterprise-grade web applications. This service is for clients who need a Senior Technical Lead to rescue a failing project, refactor legacy code,