Senior Software Engineer, Android – Contract

Wikimedia Foundation

. Support the App Experience and App Growth teams within the Core Experiences engineering group .

Posted 10/14/2026contractRemote • United StatesSenior💰 $56 - $87 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable Android applications using Kotlin, XML, and Jetpack Compose, while ensuring adherence to accessibility and observability standards. Proven ability to lead system design, manage project scope, and collaborate effectively with cross-functional teams.

Highest-signal resume keywords

Android Application DevelopmentKotlin ProficiencyJetpack Compose ExperiencePerformance Optimization TechniquesSystem Design Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Android DevelopmentKotlinXMLJetpack ComposePerformance OptimizationArchitectural PatternsTestable Software DesignObservabilityAccessibility StandardsCode Review

Soft Skills

CollaborationRisk ManagementPragmatic Decision-MakingSelf-Driven Work EthicCommunication

Tools & Technologies

Mobile Development ToolsData ScienceMachine LearningAIContent Management Systems

Certifications & Qualifications

Bachelor's Degree in Computer ScienceMaster's Degree in Computer ScienceDoctorate in Computer ScienceEquivalent Certification in STEM

Industry Keywords

Wikimedia FoundationOpen-Source ContributionsMediaWikiWikitextMarkdown

Tech Stack

Tools & technologies

AndroidKotlin

About the role

Key responsibilities & impact

Support the App Experience and App Growth teams within the Core Experiences engineering group
Deliver medium-complexity initiatives from technical discovery through delivery
Break initiatives into features, drive estimation, manage scope, identify risks, and make pragmatic tradeoffs
Improve mobile Wikipedia experiences for a global, multilingual Android audience
Lead system design for medium-sized projects and build accessible, adaptable, scalable components
Build software that is testable, observable, and debuggable
Instrument features to enable deeper analysis by Product Analysts
Collaborate with product managers, designers, analysts, and native app engineers
Identify technical opportunities and risks, clarify priorities and sequencing, and align teams on outcomes
Follow standards for code review, technical design, testing, documentation, accessibility, observability, and decision-making
Plan work with awareness of upstream and downstream effects

Requirements

What you’ll need

Bachelor's degree and 5-10+ years of related professional experience, with significant experience building Android applications
Strong professional experience and proficiency with Kotlin, XML, and Jetpack Compose
Familiarity with architectural patterns in Android
Experience with Android performance optimization techniques
Experience working in a self-driven, lean environment
Commitment to the Wikimedia Foundation's mission and values
At least four hours of the workday between 15:00 UTC and 21:00 UTC
For non-US employees, current work authorization in the hiring location
Preferred: experience with webview-wrapped native mobile apps, cross-platform mobile applications, mobile games or interactive experiences, data science/machine learning/AI, Wikipedia/wikitext/markdown or content management systems, agentic coding, MediaWiki/Wikimedia projects, open-source contributions, and an optional bachelor's/master's/doctorate in computer science, MIS, or STEM (or equivalent certification)

Benefits

Comp & perks

Fully remote work
Pay adjusted to the country of hire for applicants outside the US
Compensation based on skills, experience, and location
Equal opportunity and inclusive workplace
Disability accommodations during the application process