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Backend Developer (Volunteer Unpaid)


Job Location:

San Francisco, CA - USA

Monthly Salary: Not provided by the employer
Experience Required: 5years
Posted: 24 May 2026 (30+ days ago)
Application Deadline: 21 August 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

This is a remote position.

This is not a paid opportunity (Volunteer Opportunity: 30 hrs / week)


Job Title: Backend Developer

Location: Remote

Employment Type: Temporary Volunteer

Work Authorization: All except H1B transfers


About the Role:


We are looking for a skilled Backend Developer with 3 years of experience in building scalable high-performance and secure server-side applications. The role involves developing APIs integrating databases optimizing performance and collaborating with cross-functional teams to deliver robust solutions.


Key Responsibilities:

  • Design develop and maintain server-side applications and APIs.
  • Work with relational and non-relational databases to ensure data integrity and performance.
  • Optimize backend systems for scalability performance and security.
  • Integrate front-end elements with server-side logic.
  • Collaborate with product managers frontend developers and QA teams to deliver high-quality software.
  • Write clean reusable and well-documented code.
  • Troubleshoot debug and resolve backend issues.
  • Participate in code reviews and follow best practices for development.
  • Implement and maintain CI/CD pipelines for backend services

Required Skills & Qualifications:

  • 3 years of backend development experience.
  • Strong programming skills in one or more languages (Java Python Go or similar).
  • Experience with RESTful APIs and/or GraphQL.
  • Solid understanding of database systems (MySQL PostgreSQL MongoDB etc.).
  • Knowledge of version control systems (Git GitHub GitLab).
  • Familiarity with containerization and orchestration (Docker Kubernetes).
  • Understanding of cloud platforms (AWS Azure or GCP).
  • Ability to work in an Agile/Scrum environment.
  • Building and consuming REST APIs.
  • Understanding of CRUD operations with PostgreSQL.
  • Basic knowledge of deployment (Heroku AWS EC2).
  • Advanced API design (GraphQL WebSocket APIs).
  • Basic understanding of authentication & authorization (JWT OAuth).
  • Microservices architecture and containerization (Docker Kubernetes basics).
  • Knowledge of caching strategies (Redis Memcached).
  • Familiarity with CI/CD pipelines and automated testing for backend (Jest Mocha Supertest).


Whats in for you:

  • Opportunity to work alongside senior leaders in a cross-functional fast-paced setting.
  • Potential transition into a paid role or equity opportunity based on performance and company growth.
  • Certificate of recognition and professional references.
  • Freedom to experiment and contribute ideas to shape the companys future.