Sergio Arenas

Available to hire

With a background in archaeology and human evolution, I have successfully transitioned into software development. I have expertise in back-end (Java, Spring Boot) and mobile development (Flutter, Kotlin, React Native).

About

With a background in archaeology and human evolution, I have successfully transitioned into software development. I have expertise in back-end (Java, Spring Boot) and mobile development (Flutter, Kotlin, React Native). My background in archaeology has strengthened my analytical thinking, data management, and problem solving skills.

  • 5 years' experience
  • Joined November 2025

Languages

  • Spanish; CastilianFluent
  • EnglishAdvanced
  • Catalan; ValencianFluent

Industry experience

  • Software & Internet
  • Education
  • Professional Services
  • Transportation & Logistics
  • Other

Work experience· 4 roles

Backend & Mobile Developer · Nexia AppsJun 2025 – Jun 2025 · 1 mo

Developed robust backend services for mobile applications utilizing Laravel and Spring Boot. Engineered cross-platform mobile applications for both iOS and Android platforms using Flutter and React Native. Automated critical server and deployment processes through the creation and implementation of custom Bash scripts.

Archaeological Technician · Self-EmployedSep 2023 – Sep 2023 · 1 mo

Designed and maintained relational databases for detailed archaeological inventories. Applied geospatial analysis techniques using ArcGIS and QGIS for data visualization and spatial context. Authored highly detailed technical documentation, ensuring precise recording of findings and methodologies.

Logistics & Customer Service · IKEAJun 2022 – May 2017

Implemented a new PDA/ digital system, increasing the efficiency of the logistics process and improving inventory accuracy. Managed inventory data and performed analysis to inform stock optimization and forecast decisions. Handled customer returns and inquiries, maintaining clear communication and high service standards under pressure.

Archaeological Technician · Rubicon Archaeology IrelandJun 2020 – Nov 2025 · 5 yrs 6 mos

Education

Multiplatform Application Development · STUCOM BARCELONA2030 – 2025
Master’s Degree in Biological Anthropology · University of Barcelona2030 – 2021
Bachelor’s Degree in Archaeology · Autonomous University of Barcelona2030 – 2020

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