Responsibilities:  ● Build reliable, secure and performant backend systems ● Drive test coverage and continuous delivery automation within the team ● Mentor and provide feedback to teammates Requirements: ● 3+ years of software development experience ● Strong computer science fundamentals ● Deep and wide knowledge of Java ecosystem ● Can write code that is readable, maintainable, secure and performant ● Know the importance of tests and how to approach writing different types of tests ● Good intuition for REST API design ● Deep understanding of relational databases, transactions, entity-relationship modeling ● Comfortable writing highly concurrent systems ● Experienced in using profilers, tuning garbage collection, optimizing SQL queries Bonus: ● Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events ● Know how to use test driven development as a design tool ● Good intuition for the principles underlying object-orientation, particularly encapsulation ● Understand the importance of immutability and of reducing the state-space of objects ● Know how to refactor large codebases safely ● Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools