Backend Developer (API for iOS & Android Apps)
Backend Developer (API for iOS & Android Apps)
About the Role:
We are looking for a skilled Backend Developer to build and maintain the server-side of our marketplace application, which will be used by both iOS and Android clients. You will design APIs, work with databases, and ensure scalability, performance, and security of our system.
Responsibilities:
Develop and maintain REST/GraphQL APIs for iOS and Android apps
Design and manage relational databases (PostgreSQL/MySQL)
Implement authentication/authorization (JWT/OAuth2)
Optimize server performance and scalability
Work closely with mobile (iOS/Android) developers to integrate APIs
Ensure security best practices in backend development
Write tests and maintain CI/CD pipelines
Requirements:
2+ years of experience in backend development
Strong knowledge of Node.js / TypeScript (or Python/Java/Go)
Experience with relational databases (PostgreSQL/MySQL)
Familiarity with cloud services (AWS/GCP/Azure)
Understanding of mobile app workflows (how iOS/Android apps consume APIs)
Good communication skills and teamwork mindset
Nice to Have:
Experience with Docker and Kubernetes
Knowledge of GraphQL
Experience in payment integrations (Stripe, PayPal, etc.)
Marketplace or e-commerce backend experience
We Offer:
Competitive salary
Remote or hybrid work
Opportunity to build a high-load marketplace platform from scratch
Growth and learning with an international team
🚀 Equity option (company shares) — join us not just as an employee, but as a co-owner of the startup
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30 days2000 USD
398 30 days2000 USDGood day.
I am a backend developer with over 8 years of experience. I use technologies such as Python, Django, DRF, JWT/OAuth2, REST API, SQL/GraphQL, etc. in my work.
I have extensive experience with relational databases (PostgreSQL/Oracle/MySQL).
I develop APIs for websites and mobile applications on iOS and Android. I have experience integrating Stripe payments.
I have worked in a team of developers.
I have experience creating user interfaces for the Web (Vuejs, Vuetify, Tailwind CSS, Bootstrap, etc.). I also have experience developing mobile applications for iOS (Swift).
… I am ready for long-term cooperation.
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15 days1998 USD
1003 2 0 15 days1998 USDGood afternoon, I have over 15 years of development experience and would be happy to take on your project.
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1 day25 USD
1641 23 0 1 day25 USDa lot of commercial experience (5 years) in developing REST services in Python (Django/FastAPI)
created CRM for websites/applications, integrated payment gateways (including Stripe), AI, and other services.
I have experience with
- PostgreSQL
- cloud services
- teamwork
and overall, I fit your requirements very well.
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1 day100 USD
129 1 day100 USDGood job.
I wanna discuss more details with you.
I am open.
So if you are possible, please connect me.
Thanks.
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1 day36 USD
93984 1263 1 10 1 day36 USDHello. I work with Node.js/Python for more than 8+ years.I'm ready to cooperate
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30 days1500 USD
8600 26 0 1 30 days1500 USDHello! I am a backend developer with experience in Node.js/TypeScript, PostgreSQL, and building REST/GraphQL APIs for mobile applications. I have worked on authentication integration (JWT/OAuth2), performance optimization, and deploying services in the cloud, and I am ready to join the development of your marketplace. I would be interested in discussing the details and format of collaboration.
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