Position: Senior React Engineer
Company: Freelance
Experience required: 5y
English level: intermediate

This role includes:

Technology leadership. Make wise choices in new technologies, balancing future promise with reliability.
Code Review. Oversee the code review process, ensure that all code is well factored and maintainable.
Specs. Create a set of automated regression specs for front-end code to ensure that it is reliable. Unit level and features.
Evaluate job performance. Provide constant feedback to junior engineers so they know how they are doing and where they can improve.
Knowledge, Skills, and Abilities:

Service workers, progressive web apps, push notifications
Webpack
Chrome extensions
CSS best practices
React testing frameworks
Mentoring skills
Software design principles, and how they apply to the React framework
Environment:

Agile process, using Kanban with a groomed backlog
Some pairing
100% remote (slack, trello, github)