Urgent! Senior Software Engineer SDE III (Full Stack) Job Opening In Cataluña – Now Hiring Hiya Inc.
Overview Senior Software Engineer SDE III (Full Stack) at Hiya Inc.
Join to apply for the Senior Software Engineer SDE III (Full Stack) role at Hiya Inc.
About Hiya At Hiya, we’re revolutionizing voice communication.
Our mission is to modernize voice with intelligence for security and productivity.
Since 2015, we’ve been at the forefront of voice intelligence innovation.
Our Voice Intelligence Platform supports over 500 million users globally, with partners including British Telecom, EE, Virgin Media O2, Ericsson, Rogers, Bell Canada, MasMovil, Telenor, FICO, Twilio, and more.
The Position This position is part of the Audio Intelligence team at Hiya, working on solutions for audio and speech leveraging AI and Deep Learning.
Our products include AI Voice Deepfake Detection, Voice Authentication and Voice AI Agents, served via API for developers or as part of a no-code SaaS platform.
The Senior Software Engineer is an Individual Contributor (IC) responsible for evolving the architecture of our SaaS platform (a REST API, a web console, demos, and integrations).
You’ll design new services and flows involving CRUD operations, audio streaming and model inference.
While primarily backend-focused, you’ll collaborate with R&D and product teams on integrating and experimenting with AI models, including prompts for AI-driven features, consuming external model APIs, and contributing to lightweight model-in-the-loop systems.
What You’ll Do Build and maintain REST/gRPC backend services using Rust and TypeScript.
Build and maintain frontend services using SvelteKit.
Design and maintain relational databases using Postgres.
Write unit/integration/E2E/stress tests using Rust, TypeScript and Python.
Write and maintain API documentation using OpenAPI and Docusaurus.
Build CI pipelines using GitHub Actions.
Containerize services using Docker and deploy to a Kubernetes cluster.
Debug in staging and production environments using GCP tools.
Integrate LLM-based features into the product (e.g., prompt engineering, calling AI endpoints, interpreting responses).
What You’ll Need To Succeed Experience in backend engineering; ideally including low-level languages, streaming APIs and media pipelines.
A desire to own design and architecture end to end.
A philosophy of iteration and continuous improvement.
Understanding customer needs and providing solutions based on that.
Excellent communication and self-organization skills including working with remote teams.
Interest in exploring AI use cases, including LLM prompt engineering or model API integration.
4 years of relevant work experience.
Experience with listed technologies or similar alternatives; willingness to learn new ones.
Proficient at collaborating with both local and remote team members in English.
Core Values and Team Fit This role requires embodying Hiya’s values: serving customers, acting with initiative, continuous improvement, accountability, and contributing with a thoughtful point of view.
Nice-to-Have / Fast Start Experience with Rust, TypeScript, Cloud environments (GCP), Kubernetes, Postgres.
Experience using or integrating LLMs via APIs; knowledge of prompt engineering, retrieval-augmented generation (RAG), or basic orchestration of model pipelines.
The requirements listed are guidelines.
You don’t have to satisfy every requirement.
If your skills are transferable, we would love to hear from you.
More Details Start Date: Immediately Status: Full-time (40 hours per week) Type: Hybrid 3 or 4 days per week in office Location: Barcelona, Spain Travel: Yes.
Once a year travel to Seattle for the company off-site; additional travel may be required to Spain and Budapest Department: Product Reports to: Director of Product Direct Reports: No This position is based in Barcelona, Spain.
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Unlock Your Senior Software Potential: Insight & Career Growth Guide
Real-time Senior Software Jobs Trends in Cataluña, Spain (Graphical Representation)
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Great news! Hiya Inc. is currently hiring and seeking a Senior Software Engineer SDE III (Full Stack) to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Senior Software Engineer SDE III (Full Stack) Jobs Cataluña.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Hiya Inc. adheres to the cultural norms as outlined by Expertini.
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