R&D Software Engineer, AI/Voice/Hardware – Barcelona

AiMA Beyond Ai; Barcelona; On-site; EUR 28,000 - 34,000; Full time

Job summary

AiMA Beyond Ai seeks a Junior R&D Software Developer to turn ideas into working prototypes and reliable integrations. You will work with AI models, voice tech, computer vision and physical devices, building evaluations and tools.

You will connect software to tablets, microphones, cameras and sensors, explore model performance under real-world conditions, and collaborate with the R&D team to turn experiments into reusable scripts and services.

Qualifications

• Solid programming skills in at least one relevant language such as Python, TypeScript/JavaScript or Dart.
• Experience building working software through academic projects, personal projects, internships or employment.
• Basic familiarity with APIs, Git and debugging.
• Strong interest in applied AI, voice technologies and computer vision.
• Practical experience connecting software to a physical device or peripheral.
• Understanding of how processor capabilities, RAM, connectivity and thermal limitations affect software performance.
• Ability to turn a small technical problem into a working prototype with guidance.
• Independent problem solving and asking for help when blocked.
• Availability to work on-site in Barcelona throughout the week.
• Flutter/Dart, especially native integrations, audio capture or streaming.
• Backend or cloud technologies such as Firebase, Firestore, Cloud Functions or Cloud Run.
• Integration of speech recognition, speech synthesis or LLM APIs.
• Function calling, structured outputs, agent workflows or automated model evaluation.
• Experience with Android development tools, ADB, Linux or device profiling.
• Familiarity with USB peripherals, Bluetooth/BLE, Wi‑Fi or serial communication.
• Experience running AI models locally on mobile or edge devices.
• Exposure to audio concepts such as echo cancellation, sample rates, microphone selection or background-noise handling.
• Basic software testing, observability and performance measurement.

Responsibilities

• Turn prototypes and integrations into functional software.
• Integrate APIs and models for speech recognition, speech synthesis, LLMs and computer vision with current capabilities.
• Develop experimental features, supporting services and tools.
• Connect software with tablets, microphones, speakers, cameras and other peripherals or sensors.
• Build repeatable evaluations to compare models, providers, architectures and device configurations.
• Define and measure metrics such as quality, latency, reliability and resource usage.
• Test systems under realistic conditions like background noise and unstable connectivity.
• Document hardware, software versions and configurations to reproduce results.
• Investigate problems using logs, traces and profiling tools.
• Collaborate with the technical lead and R&D engineers; participate in code reviews and pair programming.
• Turn successful experiments into reusable scripts, services and test suites.

Skills

Python

TypeScript/JavaScript

Dart

APIs

Git

Debugging

Interest in AI/Voice/Computer Vision

Device integration

Performance basics

Flutter

Firebase

Firestore

Cloud Functions

Cloud Run

Speech recognition / speech synthesis

LLM APIs

Function calling / agent workflows

ADB

Linux

USB / Bluetooth / Wi-Fi

On-device AI

Audio concepts (noise, sampling)

Software testing / observability

Tools

Flutter

Dart

ADB

Linux

Job description

AiMA Beyond Ai seeks a Junior R&D Software Developer to turn ideas into working prototypes and reliable integrations. You will work with AI models, voice tech, computer vision and physical devices, building evaluations and tools.

You will connect software to tablets, microphones, cameras and sensors, explore model performance under real-world conditions, and collaborate with the R&D team to turn experiments into reusable scripts and services.