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I'm a versatile and self-driven software developer with over 10 years of experience in .NET (C#) and Java, combined with a background in electrical engineering. I enjoy designing robust backend systems, automating factory processes, and thriving in agile environments. I have led technical initiatives, mentored international teams, and optimized performance in cloud-based and embedded systems. I love problem solving and continuous learning, and I'm passionate about delivering reliable software that makes a tangible impact.…I'm a versatile and self-driven software developer with over 10 years of experience in .NET (C#) and Java, combined with a background in electrical engineering. I enjoy designing robust backend systems, automating factory processes, and thriving in agile environments. I have led technical initiatives, mentored international teams, and optimized performance in cloud-based and embedded systems. I love problem solving and continuous learning, and I'm passionate about delivering reliable software that makes a tangible impact.

Joan Calmet Marin

Full Stack Developer, Back-End Developer, Web Developer, +2

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I'm a versatile and self-driven software developer with over 10 years of experience in .NET (C#) and Java, combined with a background in electrical engineering. I enjoy designing robust backend systems, automating factory processes, and thriving in agile environments. I have led technical initiatives, mentored international teams, and optimized performance in cloud-based and embedded systems. I love problem solving and continuous learning, and I'm passionate about delivering reliable software that makes a tangible impact.…I'm a versatile and self-driven software developer with over 10 years of experience in .NET (C#) and Java, combined with a background in electrical engineering. I enjoy designing robust backend systems, automating factory processes, and thriving in agile environments. I have led technical initiatives, mentored international teams, and optimized performance in cloud-based and embedded systems. I love problem solving and continuous learning, and I'm passionate about delivering reliable software that makes a tangible impact.

Available to hire

I’m a versatile and self-driven software developer with over 10 years of experience in .NET (C#) and Java, combined with a background in electrical engineering. I enjoy designing robust backend systems, automating factory processes, and thriving in agile environments.

I have led technical initiatives, mentored international teams, and optimized performance in cloud-based and embedded systems. I love problem solving and continuous learning, and I’m passionate about delivering reliable software that makes a tangible impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Swedish

Beginner

Work Experience

Software Designer at Veoneer AB / Magma, OptoTeam

March 1, 2023 - Present

Software design on a C# application to connect a camera, boot, and test it; store results in a database and external API; code hosted in Azure with pipelines and DLL sharing for other projects.

Software Developer at AFRY AB

March 1, 2021 - March 1, 2023

Developed the AFRY portal for project and resource management; updated Azure Functions and DevOps pipelines; adjusted Azure APIs to improve performance and implemented EF-based DB updates.

Backend Developer at INDO

May 1, 2019 - March 1, 2021

Backend development for factory automation: built a backend database and an automatic conveyor system that reads data from PLC (Siemens S7) and DB (Sybase), enabling product routing to machines; implemented a Bosch PLC-driven storage system to optimize flow; micro-programs communicate via REST; VM-based architecture; migration of VB6 to VB.NET; Git version control.

Backend Developer at UVE Solutions

May 1, 2018 - February 1, 2019

Backend improvements to increase performance and stability for a market statistics web service; optimized fast SQL procedures; enhanced REST API performance; initiated automatic updates with MongoDB and Node.js.

IT Consultant at ERNI

May 1, 2016 - May 1, 2018

Developed an automatic diagnostic system and supported a team in China to develop an AWS cloud solution with metrics; built a tool to retrieve machine data (SVN, C++, RedHat) and forward it to AWS; contributed to a metrics website and REST APIs in Java; wrote requirements and guided sprint planning for ~20 developers.

Software Engineer, Fullstack at TDM Solutions

July 1, 2015 - May 1, 2016

Fullstack development for 3D modeling tools (Clayoo, RhinoGold, RhinoNest); built tools in C#, OpenTK (OpenGL on C#); web tooling with 3DJS and Node.js; Jira and Git for task management.

Software and Electrical Engineer at OnTesting

February 1, 2015 - July 1, 2015

Hardware/software projects across multiple products; PCB design in Altium; development in C and C++; testing and bug fixing; support for customers.

Software and Electrical Engineer at T.ABSA

February 1, 2013 - February 1, 2015

R&D developing software, hardware and firmware for Keyless, Mifare-Keya, Tronic and Elock; PCB design; VB tool for orders and production configuration; production tool in C#; endurance testing machine with Arduino.