Backend Performance Engineer

Ensure high availability, performance, and security of global infrastructure.

Optimize server-side and client-side interactions for speed.

Ensure high availability and uptime

Optimize performance for global users

Develop and test distributed database solutions

Optimize system performance and reliability

Develop high-quality software solutions based on technical requirements

Collaborate with cross-functional teams to understand project goals

Develop high-quality software solutions with C++ expertise

Investigate and resolve critical bugs promptly

Lead and mentor the InnoDB development team

Design and implement robust software solutions

Develop robust database software solutions.

Lead and mentor the InnoDB engineering team.

Lead cross-functional engineering teams

Drive product roadmap and architecture

Ensure health and performance of database systems

Troubleshoot and maintain relational database systems

Ensure health and performance of MariaDB systems

Troubleshoot and optimize database performance

- Ensure health and performance of database systems - Troubleshoot issues and optimize queries -

ign and implement replication topologies - Monitor and improve database infrastructure - Support

The Wikimedia Foundation is seeking a Senior DBA. Our objective is to make the sum of all human knowledge available to everyone, and we persist most of this knowledge in MariaDB.

Implementation, maintenance and troubleshooting of relational database systems in production and staging environments.

Hiring a Staff Database Administrator

Position is full-time and 100% remote

Develop and enhance Requirements Engineering Tool for project management efficiency

Utilize Java and Spring Boot for backend development

Deliver high availability and uptime for global services

Optimize performance and scalability of web infrastructure

Deliver high-performance, immersive 3D web experiences

Integrate real-time AI-driven chat with 3D visuals

Manage and optimize multiple database systems

Implement robust backup and disaster recovery strategies

Develop and evolve endpoint network proxy solutions

Intercept, manipulate, and secure network traffic

Lead end-to-end projects with architecture and operations

Design ergonomic APIs and infrastructure abstractions

Building and evolving Kotlin frameworks for mobile infrastructure

Improving app startup, responsiveness, and memory usage

Ensure health and performance of database systems

Design and automate replication topologies

Ensure health and performance of relational databases

Deploy and maintain databases in different environments

Architect and build a low-latency AI security plane in Rust

Design distributed, scalable systems with concurrency

Ensure health and performance of Wikimedia's production relational DB systems

Deploy, maintain, and troubleshoot MariaDB/MySQL in production, dev, and staging

Collaborate with the dev team on game features.

Develop and maintain game logic and back-end systems.

Lead the design and development of web applications.

Provide technical leadership and conduct reviews.

Hire a Full-Stack Developer for a long-term project.

Integrate developer into the client's team for close collaboration.

Develop and maintain backend systems for promotional features.

Optimize existing systems for performance and scalability.

Design and develop secure backend services.

Enhance frontend user interfaces for better accessibility.

Develop and maintain backend systems for the web application.

Collaborate with front-end engineers to design and implement APIs.

Develop and maintain backend systems for promotional features.

Optimize systems for performance and scalability.

Develop backend APIs for the Customer Support Chatbot.

Improve integration with Persona for ID verification.

Lead upgrades of Ruby on Rails monolith.

Upgrade core backend technologies.

Lead upgrades of Ruby on Rails backend technologies.

Upgrade and maintain Ruby and Rails versions.

Enhance developer productivity through tooling and infrastructure.

Develop and maintain CI/CD pipelines and deployment workflows.

Develop backend APIs for customer support.

Enhance integration with Persona for ID verification.

Validate low-complexity software issues.

Contribute to automated testing efforts.

Develop backend APIs for a chatbot.

Enhance ID verification integration with Persona.

Upgrade core backend technologies within a Ruby on Rails monolith.

Support upgrades of infrastructure components like Redis and MySQL.

Develop and maintain production software.

Collaborate with cross-functional teams for releases.

Design and implement components of a next-gen platform.

Build new services and APIs to modernize legacy systems.

Lead upgrades of backend technologies in Ruby on Rails.

Maintain and upgrade Ruby and Rails versions.

Develop backend APIs for Customer Support Chatbot.

Enhance integration with Persona for ID verification.

Enhance developer productivity through tools and infrastructure.

Develop internal tooling for engineering teams.

Design and develop secure code on AWS.

Investigate and resolve production issues.

Support and improve ISMS program.

Develop and manage security policies.

Develop backend APIs for Customer Support Chatbot.

Improve integration with Persona for identity verification.

Develop internal tools to enhance developer productivity.

Build and maintain backend services using modern frameworks.

Lead upgrades of Ruby on Rails backend technologies.

Maintain and upgrade Ruby and Rails versions.

Support critical upgrades on the platform.

Modernize and maintain a legacy codebase.