Technical Advise and Guidance that no Cloud provider or Agile Coach will give you. Cultural Architect and Cloud Strategy Advisor - 2 things without which you cannot have DevOps implemented today.
Having a Solid foundation of, 1) identifying your most used Business Entities across multiple services and 2) designing the correct data integration models for them, is a crucial aspect. Catalyses analytical insights and swift application scale-up if done right, or mounting technical debt if done wrong.
Cloud adoption is a necessity today but startups often dont have right skills or people to take correct decisions early on that costs them dearly later. i have seen it and want to help other startups avoid it.
Establishing a core team is one thing but extending their values and working style to larger set of people is entirely another. Startups struggle here more often and effects are seen elsewhere.