Buenos Aires, Buenos Aires, Argentina
$28/hr · Starting at $25
As a freelance contractor, I drove continual improvement to system architecture by refactoring old legacy code. Collaborated with product and engineering team members to define and develop new product…
Whitmore Lake, Michigan, United States
ID Verified
$80/hr · Starting at $500
Hello! I am a highly experienced JS / Ruby on Rails full-stack developer with a strong focus on writing clean and efficient code. With over 15 years of experience, I bring a wealth of expertise to
Rohri, Sindh, Pakistan
$15/hr · Starting at $200
I'm a skilled front-end website developer with expertise in HTML5, CSS3, and JavaScript. I specialize in creating stunning and responsive websites that provide exceptional user experiences. With years…
Dhaka, Dhaka, Bangladesh
$25/hr · Starting at $50
I am a Senior Software Engineer with 15+ years of experience designing, developing, and maintaining enterprise-grade software solutions. I specialize in backend development using Java and Spring Boot,…
Poltava, Poltavs'ka Oblast', Ukraine
$35/hr · Starting at $2,500
Experienced in leading development teams with a focus on clean architecture, performance, and maintainability. Ensures 100% code quality through best practices, rigorous reviews, automated testing, an…
Islamabad, Punjab, Pakistan
2,182/yr · 100%
$5/hr · Starting at $25
I provide professional code review and debugging services for web and software projects. With extensive experience in multiple programming languages and frameworks, I specialize in improving code qual…
Navodari, Constanta, Romania
$28/hr · Starting at $30
I provide comprehensive Full Stack Web Development services, specializing in building scalable, high-performance web applications from the ground up. My expertise lies in creating seamless digital exp…
Saint Paul, Minnesota, United States
$95/hr · Starting at $25
Paradox/data specialist -- IT Generalist Over Three Decades project experience across a huge range of industries, projects and REAL-WORLD PROBLEMS. Let's talk about how to solve YOURS. Extended and en…
Peterborough, Cambridgeshire, United Kingdom
$30/hr · Starting at $120
I help teams keep existing Ruby codebases healthy instead of rewriting everything from scratch. I can: Fix bugs and production issues in existing Ruby apps. Update and maintain Ruby gems, including de…
Jaipur, Rajasthan, India
$55/hr · Starting at $25
I can set up a system to define a baseline for performance measurement of SQL Server databases and then identify the problem areas in your environment where queries run slowly and take up too many res…
Lodz, Lodzkie, Poland
Past Earnings
$30/hr · Starting at $200
Development of server-side back-end code for J2EE webapps, REST APIs, standalone programs. Strong experience in the MVC pattern, XML processing, JDBC connectivity, parallel data processing, Web crawli…
San Rafael, California, United States
$10/hr · Starting at $50
Koovent Inc is Providing Software Development Services & Solutions with services such as outsourcing software development, Web Development, Web-Enablement Designing, Application development, .Net D…
Alexandria, Al Iskandariyah, Egypt
$20/hr · Starting at $100
I can build an android app from scratch or maintain an existing one. At my current position, I am utterly responsible for developing the android applications mentioned below of the key 5 apps of Krus…
Hong Kong, Hong Kong, Hong Kong
$35/hr · Starting at $25
If you want to find a really qualified and high-availability developer - you are in the right place! What differentiates me from other candidates is my understanding of the entire process and my abili…
Vientiane, Vientiane, Laos
$50/hr · Starting at $30
I'm a web application developer experienced in Ruby on Rails, ReactJS(Redux),HTML5, CSS3, and Javascript, among others. I love creating rock-solid quality code that's well commented, bug-free, and tha…
Sahibzada Ajit Singh Nagar, Punjab, India
$8/hr · Starting at $25
I am hardcore Angular 7,Node JS, programmer ,i have a good knowledge of C#, mvc, SQL Server, Web Services, HTML, Jquery, CSS ,Bootstrap.Angular programming has been my passion since i compiled my firs…
Los Angeles, California, United States
$50/hr · Starting at $5,000
I'm a senior Full stack Web developer with huge experience in implementing high quality commercial projects, also experienced in Ruby and rails, Front-end and Back-end Development. My major skills: I
Jalandhar, Punjab, India
$10/hr · Starting at $30
My skills are as following : - Native: iOS, Android. - Programming Language : Objective C/Swift, Java, C/C++/C#. - XML/JSON, REST/SOAP. - Photo/Audio Frameworks: GPU Image, EZAudio, CoreAudio. - Push
Berlin, Berlin, Germany
$70/hr · Starting at $100
Larger features I've worked on recently include a recurring billing system generating self-signup long-tail revenue for and a fully customizable role-based authorization system, both for www.adjust.co…
Khmelnytskyi, Khmel'nyts'ka Oblast', Ukraine
$20/hr · Starting at $500
Software development with Apache Flex / Harman AIR (former Adobe) technology stack. - development of new applications and features from scratch - maintenance and modernization of existing applic…