Q-CTRL · 3 months ago
Senior Software Engineer, (Compiler)
Los Angeles, CA
Full-time
Hybrid
Senior Level
$135K/yr - $210K/yr
5+ years expQ-CTRL is the global leader in AI-powered quantum control infrastructure software. As a Software Engineer on the Boulder Opal team, you will design and build a scalable backend system while maintaining and evolving the compiler stack for quantum controllers, collaborating with cross-functional teams to deliver cutting-edge solutions.
Artificial Intelligence (AI)GPSInformation ServicesInformation TechnologyNavigationQuantum ComputingSoftwareSoftware Engineering
Responsibilities
Build the backbone of quantum tech: Design, develop, and optimize scalable backend services in Python
Own the compiler stack: Maintain and evolve the compiler that translates OpenQASM3 + OpenPulse programs into low-level controller instructions
Bridge research and engineering: Work closely with world-class researchers and quantum engineers, translating experimental needs into production-ready code and debugging real-world execution challenges
Experiment on quantum hardware: Get hands-on with QPUs, validating compiler output and controller behaviors through real device experiments
Engineer for performance: Deliver high-efficiency service-to-service communication using modern protocols (gRPC, GraphQL, REST)
Shape the future stack: Help define the software practices, tools, and design patterns that will power the next generation of quantum control systems
Qualification
Required
Bachelor's degree in Computer Science, Engineering, or related field
5+ years of backend software development experience with Python
Experience with quantum hardware control systems (or similar) or pulse-level programming (e.g., OpenQASM3, Qiskit Pulse, Qua)
Familiarity with popular Python web frameworks (Django, Flask, FastAPI)
Preferred
Familiarity with formal language design (e.g. LL(•) or PEG parsers) and compiler theory or ecosystems (e.g. LLVM/MLIR)
Experience with implementing Python extension modules with systems programming languages such as C++ or Rust for accelerating Python programs
Knowledge or exposure to adjacent technologies such as FPGA programming, low-latency or real-time systems
Benefits
Annual discretionary bonuses
Equity
Other forms of compensation
Company
Q-CTRL
Q-CTRL is using AI-powered quantum infrastructure software to accelerate pathways to useful quantum computers and quantum sensors.
51-200 employees
H1B Sponsorship
Q-CTRL has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (4)
2023 (4)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$133.03MKey Investors
Small Business Research InitiativeMorpheus VenturesSalesforce Ventures
2024-10-08Series B· $59M
2024-02-05Grant· $1.25M
2023-07-25Series B· $2M
Leadership Team
Michael Biercuk
CEO & Founder
Aravind Ratnam
Chief Strategy Officer
Recent News
2025-10-31
2025-09-20
Company data provided by crunchbase