Senior Quantum Software Engineer, (Back-end)

Q-CTRL(1 month ago)

HybridFull TimeSenior$135,000 - $213,000Engineering

About this role

The Senior Back-end Engineer on the Boulder Opal Scale Up team will build and evolve the core backend systems that support Q-CTRL’s quantum technology products. The role focuses on creating scalable, high-performance services and platforms that power SDKs and cloud-based tools used by researchers and customers. This position sits at the intersection of software engineering and quantum research, turning experimental and research outputs into robust, production-ready software. Based in Los Angeles, it offers the opportunity to contribute directly to the commercialisation of quantum technologies in a fast-growing, product-led company.

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Required Skills

Backend Development
Python Programming
Rust Programming
C++ Programming
System Design
Scalable Systems
High Performance Computing
Service Communication
API Design
Algorithm Design

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About Q-CTRL

q-ctrl.com

Q-CTRL builds infrastructure software that makes quantum technology practical by improving the performance, stability and reliability of quantum computers and quantum sensors. They provide control-engineering and error‑mitigation tools — including a cloud-native quantum performance management platform (Black Opal) plus SDKs and integrations — to optimize qubit control, calibration and noise resilience. Q-CTRL works with hardware vendors, cloud providers and enterprise researchers to accelerate practical quantum applications by turning fragile quantum hardware into dependable systems through software.