Senior Software Engineer, Wikidata Platform

Remote

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Open Knowledge, Data ManagementIndustries

Requirements

Candidates should have 5+ years of experience as a backend or platform engineer working on distributed systems or data platforms, with a deep understanding of database and knowledge graph representation technologies and standards. Proficiency in Java, C++, or other systems languages is required, along with experience building and operating production-grade services with SLOs and familiarity with modern observability tools. Experience with knowledge graphs or RDF/SPARQL, streaming data systems, CI/CD pipelines, containerization, and Wikimedia technologies are considered nice to have.

Responsibilities

The Senior Software Engineer will design, build, and maintain backend systems and APIs for Wikidata's query infrastructure, and improve the reliability, observability, and automation of the Wikidata Query Service and data pipelines. They will collaborate with SRE, data engineers, and product teams to ensure stability and scalability, monitor production systems, respond to operational incidents, and proactively resolve bottlenecks. Responsibilities also include supporting platform migrations and system upgrades, contributing to deployment automation, CI/CD workflows, and service instrumentation, participating in code reviews and design discussions, and documenting systems.

Skills

Backend Engineering

Operations

Distributed Systems

Data Platforms

APIs

Reliability

Observability

Automation

CI/CD

Service Instrumentation

Code Reviews

Design Discussions

Technical Planning

System Migrations

Triple Stores

Streaming Ingestion

Wikimedia Foundation

Operates Wikipedia and free knowledge projects

About Wikimedia Foundation

The Wikimedia Foundation operates Wikipedia and other free knowledge projects, aiming to create a world where everyone can freely access and share knowledge. It provides a platform for users to read, contribute, and share content, while also supporting the volunteer communities that help maintain these projects. The foundation is funded by donations from individuals and institutions, emphasizing its nonprofit status. Unlike many other organizations, it focuses on making knowledge accessible to all without charge, advocating for policies that support free knowledge initiatives. Its goal is to empower individuals to contribute to and benefit from a collective pool of knowledge.

San Francisco, CaliforniaHeadquarters

2003Year Founded

$145.9MTotal Funding

GRANTCompany Stage

Social Impact, EducationIndustries

501-1,000Employees