I use to work on a wide variety of problems but these are the core competencies I want to share with my clients. You can email me for any informations.
Ruby On Rails
⤜ Audit of Rails applications: refactoring plan to keep the code base clean.
⤜ Teach best practices in Rails development.
⤜ Implement new modules in existing applications.
⤜ Train developers from Ruby beginners to advanced.
⤜ Best practices in cache implementations.
⤜ Best practices in TDD and DDD.
▪ How to implement tooling and speed up your development process.
▪ How to hire junior developers and push them to the top.
▪ How to prototype efficiently (check Localtower).