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You will get Experienced Back-End API Developer for Your Project Needs

Kristijan P.
Kristijan P. Kristijan P.
4.9
Preview image

Let a pro handle the details

Buy Web Application Programming services from Kristijan, priced and ready to go.

You will get Experienced Back-End API Developer for Your Project Needs

Kristijan P.
Kristijan P. Kristijan P.
4.9

What's included $799

  • Delivery Time 9 days
  • Number of Revisions 3
  • Number of Pages 10
    • Source Code
9 days delivery — Sep 28, 2024
Revisions may occur after this date.
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Upwork Payment Protection
Fund the project upfront. Kristijan gets paid once you are satisfied with the work.
Preview image

Let a pro handle the details

Buy Web Application Programming services from Kristijan, priced and ready to go.

Project details

Are you looking for a backend developer for your Mobile Application or Web Platform? Then I am the right person for the job.

Responsibilities:

Design and develop backend APIs for web and mobile applications
Integrate APIs with third-party services and APIs
Ensure the scalability and efficiency of the APIs to handle a large number of users and transactions
Test and document APIs for ease of use and maintenance
Provide ongoing maintenance and support for APIs

Please contact me with your project requirements and we can discuss the details further.
Programming Languages
HTML & CSS, JavaScript, Python
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Design
What's included $799 These options are included with the project scope.
$799
  • Delivery Time 9 days
  • Number of Revisions 3
  • Number of Pages 10
    • Source Code
4.9
95 reviews
94% Complete
(89)
6% Complete
(6)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
Rating breakdown
Availability
4.9
Deadlines
4.9
Skills
4.9
Quality
4.9
Cooperation
4.9
Communication
4.9

TF

Tim F.
4.00
Mar 25, 2024
iOS Store ready casino app

DB

Daria B.
5.00
Dec 13, 2021
[COM] Senior Frontend Developer (React JS) needed for prototype building and further development Kristijan is definitely a knowledgable Senior-level developer who has extensive experience in React JS. We enjoyed working with Kristijan as he helped us solve tons of tasks in a timely and accurate manner. We recommend Kristijan for hiring, and wish him huge success in the next projects he'll be working on.

CB

Callan B.
5.00
Nov 16, 2021
React Web Developer with Strong Data Architecture Experience Needed Kristijan, in addition to being an all around fantastic developer, has an abundance of patience and problem solving skills. Complex bugs or ideas are looked at systematically.

CB

Callan B.
5.00
Oct 19, 2021
Full Stack Engineer - Customer Facing Portal Development Clear concise work coupled with the agility to change to new tasks quickly.

AK

Anna K.
5.00
Jun 14, 2021
Experienced React Native Developer for web and mobile Great developer. We had a project with very tight dealines. Not only Kristjan delivered the work for us on time, but also with great quality. He is very communicative and dedicated to his work. Will definetly work with him again in the future. He is my go-to person.
Kristijan P.

About Kristijan

Kristijan P.
Senior JS/ReactJS/React Native, NodeJS, Google Apps Script Developer
4.9  (95 reviews)
Skopje, Macedonia - 9:23 pm local time
âś… Top Rated Full Stack Developer
âš› 100% Job Success Score
âš› 100+ Jobs Done
âš› 4,000+ Hours Worked

âś‹I am a creative engineer with over 6 years of experience who loves to build slick products that work out perfectly.
A proven history of creating cutting edge interface designs and information architectures for websites and mobile applications through a user-centered design process by constructing screen flows, prototypes, and wireframes.
Can build WebApps, REST APIs, websites, integrations, and micro-services to help move your business forward.

âś” JavaScript (ES5/ES6/ES7+, Babel)
âś” ReactJS, React Native, Redux
âś” HTML5, CSS3 with LESS/SCSS, FlexBox , CSS Grid, SVG, animation
âś” UI/UX, responsive web
âś” Material UI, Bootstrap
âś” SQL, MongoDB, Firebase
âś” GraphQL, Docker
âś” Google Apps Script, PHP
âś” Webpack, npm, yarn, jQuery, etc...
âś” Git flow, Jira/Trello, Sketch, Figma

I have professional experience working with clients one-on-one to achieve their goals. I pride myself on clear communication, quick response and project organization.

🎓 With a degree of Informatics Science and Computer Engineering.

Steps for completing your project

After purchasing the project, send requirements so Kristijan can start the project.

Delivery time starts when Kristijan receives requirements from you.

Kristijan works on your project following the steps below.

Revisions may occur after the delivery date.

Requirement Gathering

We will discuss the API/Routes needed to be developed for your App or Platform.

API Documentation

I will document all the use case & architecture for all the API/ROUTES to be developed.

Review the work, release payment, and leave feedback to Kristijan.