← all jobs

Backend Developer (Volunteer - Unpaid)

Work from home Full-time role Hiring

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, Node.js, 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). What's 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 company’s future.

More open positions

Microsoft Power Platform Senior Consultant

Work from home Full-time role

Finance and Project Coordinator

Work from home Full-time role

L1 Helpdesk Technician

Work from home Full-time role

Trustbridge South-East Asia Lead (Regional Head / CEO Track)

Work from home Full-time role

Customer Experience Associate

Work from home Full-time role

[FULL TIME Remote] Wireless Retail Specialist

Work from home Full-time role

Manufacturing Production Associate - 2nd Shift

Work from home Full-time role

Experienced Remote Customer Service Representative – Delivering Exceptional Experiences with careerzynith

Work from home Full-time role

Collaborateur comptable (télétravail) H/F

Work from home Full-time role

Tech Lead, Android Core Product - Ho Chi Minh City, Vietnam

Work from home Full-time role

Field Marketing Manager - Medical Devices

Work from home Full-time role

Director - Professional Billing Organization (Remote)

Work from home Full-time role

Regulatory Affairs Associate (CMC Lifecycle)- Temporary for 3 years

Work from home Full-time role

Fall 2026 Legal Intern, Criminal Law Reform Project

Work from home Full-time role

Copywriter Agriculture Environment Eco Living

Work from home Full-time role

[Remote] AI RESEARCH ENGINEER

Work from home Full-time role

Remote UI/UX Designer

Work from home Full-time role

Global Finance Manager - Commercial AI, Technology & Product (ATP)

Work from home Full-time role

Senior PSS Salesforce Developer WITH Secret or Public Trust (Remote)

Work from home Full-time role

[Remote] AI Infrastructure Engineer

Work from home Full-time role

[Remote] Customer Success Manager

Work from home Full-time role