Senior Backend Engineer (Python) | Online Jobs | Optimhire

Senior Backend Engineer (Python)

Playground Labs is seeking a Senior Backend Engineer to build the backbone of cutting-edge metaverse technologies, bringing to life the next generation of web3 products. Backend Engineers who are experienced with building applications, are excited about web3 and metaverse opportunities (including crypto play to earn gaming), and possess a desire to contribute to a smart, nimble team will excel in this role.

Playground Labs' Backend Engineers will design and implement REST APIs using Python frameworks for web3 products. Our backend tech stack is primarily in Python with FastAPI, supported by MySQL, and deployed on AWS.

Job Responsibilities

  • Design and implement backends for web3 products
  • Implement REST API with Python
  • Integrate backends with web3, blockchains, DAOs, and smart contracts


  • Fluent in the following technologies: Python, SQL, MySQL
  • Familiarity with cloud infrastructure
  • Familiarity with devops processes, deploying, and testing applications
  • Two or more years of professional software engineering experience
  • Three references


  • Experience with Python Flask, Django, FastAPI, or other API framework
  • Participant in open-source software
  • Participation in Ethereum blockchain projects
  • Bachelor's Degree in Computer Science or Mathematics


  • Senior Backend Engineer compensation at Playground Labs consists of a competitive salary package alongside awarded DAO tokens for the projects in which they participate.


  • Fully remote work with flexible work hours
  • Comprehensive health insurance
  • Paid time off
  • Educational and training opportunities
  • Company retreats
  • DAO tokens

Job Type

Contract Base Flexible


Frontend Developers

Must have Skills

  • Python - 3 Years


  • MySQL - 3 Years


  • SQL - 3 Years


  • Django - 3 Years


  • Flask - 3 Years



Eastern Daylight [UTC -4]

Central Daylight [UTC -5]

Mountain Daylight [UTC -6]

Pacific Daylight [UTC -7]

Eastern European [UTC +2]

Eastern EST [UTC +3]

Greenwich Mean [UTC ±0]

Further EET [UTC +3]

Australian EDT [UTC +11]

Australian CDT [UTC +10:30]

Dubai [UTC +4]

New Delhi [UTC +5]

China (West) [UTC +6]

Singapore [UTC +7]

Hong Kong (East China) [UTC +8]

28 - 42 USD/Hour (Hourly rate)

Longterm (Duration)

Fully Remote

Taylor M

United States