Software engineering
C#/.NETReactTypeScriptPython
Software engineering for technical products
Hello, I'mJaime Castresana Iza
Software engineer crafting technical products for audio, acoustics, and DSP workflows
I build product software and technical workflows for audio and acoustic engineering. My experience spans commercial applications, audio R&D, embedded DSP, automated validation, and AI-assisted tools.
Technical Skills
A practical toolkit shaped by commercial acoustic software, audio R&D, validation, and product-focused engineering.
Product development
APIsTechnical UXTestingDocumentation
Audio & acoustics
DSP foundationsFFT & spectraSound qualityValidation
Delivery
GitAzure DevOpsCI/CDAgile collaboration
AI workflows
LLM prototypesGrounded answersAI-assisted development
Engineering domains
Audio softwareAcoustic toolsEmbedded DSP
Professional Experience
Product engineering experience across commercial acoustic software, audio R&D, embedded processing, and technical validation.
Software Engineer
Hottinger Brüel & Kjær
Commercial acoustic engineering software for Transfer Path Analysis and noise-emission modelling workflows.
C#/.NETReactFastEndpointsAzure DevOpsCI/CDTesting
R&D Software Assistant
ICEpower
Audio amplifier R&D, testing, and embedded audio processing work in a product-focused setting.
Embedded audioDSPARM Cortex-M7TestingNetworking
Featured Projects
Selected work connecting software engineering, audio technology, grounded AI workflows, and usable technical products.
01Professional work
Acoustic engineering software for TPA and noise-emission modelling
Full-stack commercial software for acoustic analysis, model comparison, and validation.
C#/.NETReactAcoustic softwareValidationTechnical users
View project 
02Personal project
SoundLens - AI-assisted acoustic investigation
A C#/.NET and React platform for comparing recordings and inspecting waveform, spectrum, and signal metrics.
AIAudio analysisLLM workflowsDSPProduct prototype
View project 
03Commercial proof of concept
Sound Quality POC
A commercial proof of concept for comparing sounds using psychoacoustic metrics.
Sound qualityPsychoacousticsAcoustic metricsProduct workflow
View project Let's Work Together
Have a role or product where software engineering meets audio, acoustics, DSP, or technical-user workflows? I'd like to hear about it.
Emailjaime.castresana@gmail.com
LocationCopenhagen, Denmark
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