Who We Are
Our mission at Capacity is to help teams do their best work through our AI-powered support automation platform. Capacity provides everything you need to automate support and business processes in one powerful omni-channel platform.

We believe that each individual voice, perspective and background brings inherent value to enhance our product, serve our customers and generate more ideas to solve complex problems. By continuing to hire talented, driven and humble teammates, we have the opportunity to see Capacity become a premier brand enterprise SaaS platform.

Capacity has raised over $100 million dollars from over 150 investors, giving us the opportunity to make ambitious investments in our team and big bets on our future. Our total addressable market is enormous. Any company that wants to grow revenue, reduce costs, and improve customer and employee satisfaction is an opportunity for Capacity to shine.

Why this job is exciting
The Role
We are seeking a highly experienced and motivated developer to join our company. As the Software engineer,



you will focus on the cross-layer software development and microservices integration necessary to assemble a highly secure AI inference platform. You will be responsible for wiring multi-module backend layers, establishing stable inference endpoints, and implementing attestation-gated security mechanisms that safeguard critical model weights and execution boundaries within hardware-enforced Trusted Execution Environments (TEEs).

Responsibilities
- Multi-Module & Application Integration: Program and stabilize core microservices, bridging backend data pipelines with advanced containerized inference runtimes to ensure seamless data flow.
- Secure Endpoint Development: Design, expose, and optimize stable APIs for protected model ingestion, system lifecycle events, and inference requests.
- Cryptographic Boundary Assembly: Integrate security sidecars and automated provisioning modules executing asymmetric decryption pro

📌 Software Engineer II (España)
🏢 Capacity
📍 España