Roles

Server-side engineering: APIs, business logic, databases and services.

Runs and scales software: cloud infrastructure, CI/CD, reliability.

Both server-side and browser-side development end to end.

Apps for iOS and Android phones and tablets.

Interfaces users see and interact with in the browser.

Testing software so bugs never reach users.

Web3 engineering: smart contracts, protocols, on-chain systems.

Data pipelines, analytics and models that turn raw data into answers.

Building and shipping AI/ML features and models.

Decides what gets built and why; owns the product roadmap.

Designs how the product looks, feels and flows for users.

Finds customers, sells the product and builds partnerships. (Some titles combine selling with technical work — that is why you may see DevOps-style skills here.)

Brings people to the product: campaigns, content, growth experiments.

Talks with users and developers; runs communities, Discord, forums, events.

Helps customers day to day: answering questions, solving problems, trust & safety.

Keeps the business running: processes, vendors, logistics.

Money matters: accounting, treasury, trading, financial analysis.

Protecting systems and data from attacks; investigating incidents.

Contracts, regulation and compliance — including AML investigations.