Senior Full-Stack Developer Needed (iOS, Web & Backend) for Used Car Marketplace

Posted 2 weeks ago

Worldwide

Summary

We are a growing used car company looking for an experienced Full-Stack Developer to help build and improve our digital platform, including our iOS application, website, and backend systems. This role is ideal for someone who enjoys taking ownership, solving complex technical challenges, and contributing to product decisions rather than simply implementing requirements. What You’ll Be Working On * Modernizing and improving our existing iOS application * Building and enhancing website functionality and user experience * Developing and maintaining backend APIs and services * Improving platform performance, scalability, and security * Refactoring legacy code and reducing technical debt * Integrating third-party services and internal systems * Supporting App Store releases and production deployments * Recommending architecture improvements and best practices Required Skills * Strong experience with Swift and iOS development * Experience with SwiftUI and UIKit * Experience building modern web applications * Backend development experience (Node.js, Python, PHP, or similar) * REST API development and integration * Database design and management * Git version control * Understanding of scalable software architecture * Experience maintaining and improving existing production applications Nice to Have * AWS or cloud infrastructure experience * CI/CD pipeline experience * Firebase integrations * Analytics and event tracking * Push notifications * Experience with marketplace, automotive, or e-commerce platforms What We’re Looking For * Excellent communication skills * Ability to work independently * Strong problem-solving mindset * Attention to detail and code quality * Someone who can provide recommendations and technical leadership

  • $500.00

    Fixed-price
  • Expert
    Experience Level
  • Remote Job
  • Complex project
    Project Type

Contract-to-hire opportunity

This lets talent know that this job could become full time.
Learn more
Skills and Expertise
Mandatory skills
Git
API
Web Development
Activity on this job
  • Proposals:15 to 20
  • Last viewed by client:2 weeks ago
  • Hires:
    1
  • Interviewing:
    0
  • Invites sent:
    0
  • Unanswered invites:
    0
About the client
Member since Jun 14, 2026
  • GBR
    Sheffield 7:44 AM
  • $500 total spent
    1 hire, 1 active

Explore similar jobs on Upwork

Software DeveloperHourly‐ Posted 7 months ago
ASP.NET MVC
Django
Python
AngularJS
JavaScript
jQuery
WordPress
Google Chrome Extension
React
CRM Development
Microsoft Dynamics 365
Microsoft Dynamics CRM
Microsoft Dynamics Development
Microsoft PowerApps
Single Sign-On
Build Marketplace on TokopediaHourly‐ Posted 4 weeks ago
PHP
HTML5
JavaScript
Web Development

How it works

  • Post a job icon
    Create your free profile
    Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
  • Talent comes to you icon
    Work the way you want
    Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
  • Payment simplified icon
    Get paid securely
    From contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile

About Upwork

  • Rating is 4.9 out of 5.
    4.9/5
    (Average rating of clients by professionals)
  • G2 2021
    #1 freelance platform
  • 49,000+
    Signed contract every week
  • $2.3B
    Freelancers earned on Upwork in 2020

Find the best freelance jobs

Growing your career is as easy as creating a free profile and finding work like this that fits your skills.

Trusted by

  • Microsoft Logo
  • Airbnb Logo
  • Bissell Logo
  • GoDaddy Logo