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# Senior Full-Stack Developer - Remote

- **Company:** UST GLOBAL
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** HTML, Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Databases, Information Engineering, Relational Databases, Web Development, Python (Programming Language), PostgreSQL, Node.Js, Oracle (Applications), SQL Databases, ReactJS, Backend, Pure Data, Api Design, Restful APIs
- **Published:** June 4, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=0f044e5648111aef

## About the Role

Do you have experience in SQL?, We are looking for Senior Full-Stack Developer with hybrid technical professional combining backend development skills with data engineering capabilities. The role will be responsible for building and implementing financial investment profitability algorithms, processing large volumes of historical and current data, and ensuring the availability and accuracy of results through APIs.
Responsabilities:

 * Analytical capacity to quickly understand mathematical formulas, aggregation logic, and product profitability concepts. The candidate must be able to grasp logical and arithmetic concepts with agility.

 * Prior knowledge of profitability calculations is not required; however, the candidate must be able to quickly understand the concepts and their different use cases.

Skills

 * Web Development (Front & Back): React, Node.js, HTML, Java, Python

 * Databases: SQL, Oracle, PostgreSQL

 * Cloud: AWS

 * API Development: REST APIs

 * English: Intermediate level

 * The candidate must have data engineering skills (we are not looking for a pure data engineer), particularly strong capabilities in data modeling using relational databases and data tables.

 * Soft Skills

 * Ability to learn quickly, demonstrating a short learning curve. Rather than deep expertise in a single specific platform, we are looking for someone flexible and capable of learning rapidly.

 * The project involves developing a profitability calculation engine that must be packaged and exposed via APIs so it can be consumed by other applications and platforms.

 * Skills checklist

 * Node.js, React, HTML, Java, Python, SQL, Oracle, PostgreSQL (advanced - mandatory),

 * AWS (intermediate - mandatory),

 * REST APIs (advanced - mandatory),

 * English B2, Tarjetero de Skills: React, Node.js, HTML, Java, Python, SQL, Oracle, PostgreSQL, API Development: REST APIs, B2



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