Android Platform Software Developer

The Calyx Institute is seeking an experienced and skilled Android Platform Software Developer to join our CalyxOS team. As a key member of our team, you will contribute to the design, development, and maintenance of CalyxOS, a free and open-source software (FOSS) Android distribution. As part of our mission to provide secure, privacy-focused mobile solutions, you'll play a key role in making sure that our software runs smoothly and is regularly updated. This role will report to the Technical Project Manager, and regularly coordinate with other CalyxOS team members and across other Calyx Institute program areas.

Calyx values a diverse range of experiences and are open to candidates who may not meet all listed requirements but have the potential to thrive in this role.

Essential duties and responsibilities:

• Contribute to the design, development, and maintenance of CalyxOS
• Implement security, privacy, and functionality improvements to CalyxOS
• Level up the performance of CalyxOS features through identifying gaps in system design and developing solutions with team members
• Troubleshoot and fix reported issues and bugs as needed
• Uphold the integrity of privacy and security features by investigating, documenting, and fixing vulnerabilities in Android Open Source Project (AOSP) and CalyxOS
• Other duties as assigned

Key skills and competencies:

• Proficient in Android development, platform maintenance, and familiarity with AOSP
• Strong problem-solving skills
• Good team player with excellent communication skills
• Self-directed and able to work in a remote-first, asynchronous, fast-paced, open-source development environment
• Willingness to take ownership of work responsibilities
• Organized with excellent attention to detail
• Ability to communicate in spoken and written English

Preferred qualifications and experience:

• 3-5 years professional experience in similar roles
• Familiarity and/or experience with FOSS and/or the internet freedom and digital rights ecosystem
• Four-year degree (or equivalent) in relevant area of study

This is a full-time, salaried, exempt, remote position, requiring work authorization in the U.S. Calyx operates in the following states: Washington, Virginia, New York and Florida. Preference will be given to candidates residing in the states where Calyx operates, and occasional travel will be required. The salary range is $90,000-$95,000, commensurate with experience and qualifications.

Calyx offers health, vision, and dental insurance, HRA and Transportation FSA options, unlimited vacation, and 401k retirement plan options with up to 10% employer matching contribution. Additionally, Calyx operates on a four-day work week. This position is included in a union-represented collective bargaining unit (CWA Local 1101), and specific employment terms and conditions are subject to collective bargaining.

To apply, submit your required application materials via the link to Greenhouse below. No applications submitted via email will be considered. Applications will be reviewed on a rolling basis until the deadline.

Required materials:

• 1-page cover letter in PDF format
• 1-2 page resumé in PDF format
• 3 professional references with contact information*
• We will not contact references without informing you first

Application Deadline: 5:00pm EDT, September 24, 2025

Start Date: on or around November 3, 2025

Calyx offers health, vision, and dental insurance, HRA and Transportation FSA options, unlimited vacation, and 401k retirement plan options with up to 10% employer matching contribution. Additionally, Calyx operates on a four-day work week. This position is included in a union-represented collective bargaining unit (CWA Local 1101), and specific employment terms and conditions are subject to collective bargaining.

This is a full-time, salaried, exempt, remote position, requiring work authorization in the U.S. Calyx operates in the following states: Washington, Virginia, New York and Florida. Preference will be given to candidates residing in the states where Calyx operates, and occasional travel will be required.

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