henriver

Mid Backend Developer

Full Stack and Blockchain Engineer with a background in fintech, HRTech, and Web3 development. Skilled in Java, Node.js, React, and Spring Boot, as well as blockchain technologies like Starknet and Ethereum. I’m especially interested in how AI and blockchain intersect, and have built agentic systems and dApps showcased at global hackathons.


Experience: 4 years

Yearly salary: $104,000

Hourly rate: $55

Nationality: 🇧🇴 Bolivia

Residency: 🇧🇴 Bolivia


Experience

Mid Full Stack Developer
Finconecta
2024 - 2025
Designed and implemented microservices with Spring Boot to integrate third-party services for banking institutions, improving scalability and interoperability. Developed an AI agent using a client-server architecture with Node.js and React, enabling real-time interaction and automated decision-making through NLP.
Mid Full Stack Developer
Digital Harbor
2023 - 2024
Designed and developed microservices architecture to support multiple enterprise applications using Spring Boot and React. Created and maintained a custom Kafka integration library for company-wide microservices, enabling efficient and standardized messaging across systems.
Junior Full Stack Developer
Saffiro S.R.L
2021 - 2023
Developed backend services with Spring Boot and PL/SQL to connect the company CRM with SQL databases. Built and maintained Angular features for the CRM platform, and implemented QA processes with Selenium and Java to automate testing and improve reliability.

Skills

java
javascript
react
react-native
rust
solidity
node
english
french
spanish