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Senior Software Engineer, Back-end

4 weeks ago

Sydney, New South Wales, Australia Q-CTRL Full time

About us

Founded in 2017, Q-CTRL has grown to become the global leader in quantum. We're using control to solve the hardest problems facing quantum technology, improving hardware performance and accelerating pathways to useful quantum computers and other technologies. As a product-led company, we bring together diverse teams such as product, design, engineering and research to help achieve our mission of making quantum technology useful. Join us to help shape the quantum future.

As one of the fastest growing companies in the quantum sector, we've had a number of key milestones:

- In November 2023, we announced an industry-first partnership with IBM Quantum Services, natively integrating our performance management software with all IBM quantum computers. Building off of this relationship, in September 2024 we started offering two services via IBM's new Qiskit Functions Catalog as an inaugural partner.

- Designed and moved our Global HQ offices and lab space into the first purpose-built (and award winning) commercial and research facility for a quantum technology company in Australia.

- Continued to deliver real world outcomes across the quantum sectors, with our work with Australian Defence on software-ruggedized quantum sensing for navigation without GPS, as featured in the New York Times.

- In October 2024, we announced our record breaking expansion of our Series B funding round to USD $113M, with $59M USD of new capital.

- Grew our global presence to include Los Angeles, Berlin, and Oxford - as well as the recently announced office in San Francisco.

From educating the workforce on how quantum computing works, to building the next generation of quantum sensors, to delivering massive performance gains for end-users, it all starts with hiring the right talent. If you want to help us build the Quantum future, read on.

About the role

As a Senior Back-end Engineer on the Quantum Platform Engineering team, you will work with brilliant engineers and quantum experts reporting to the team's Engineering Manager. You will join a team that designs and develops a scalable, high-performance back-end system that forms the task engine of quantum computing at Q-CTRL. Your work will be leveraged by multiple cross-functional teams to deliver software cloud-based solutions that realise the company's mission to make quantum computers useful. This role is ideal for someone passionate about solving challenging back-end distributed computing problems in a fast-paced, innovative environment.


What you'll be doing:
  • Design, develop, and optimize scalable back-end applications using Python.
  • Build high-efficiency service-to-service communication using modern protocols.
  • Collaborate with product, front-end, and infrastructure teams to deliver integrated, end-to-end solutions.
  • Implement and enforce best practices for code quality, security, and operational efficiency.
  • Troubleshoot, optimize, and enhance system performance and reliability.
  • Implement product features that promote architecture reuse across business cases.
  • Other duties within the Employee's skills and experience, or with reasonable training.
Ideally you'll have:
  • 5+ years of experience in backend software development with Python, Rust, C++ or similar.
  • Proficient in designing and implementing efficient architectures to solve complex engineering challenges.
  • Demonstrated ability to abstract solutions for reusability across multiple engineering teams.
  • Strong problem-solving skills and proactive approach to finding solutions.
  • Excellent collaboration and communication skills across cross-functional and agile teams.
It would be fantastic if you have these skills/experience but not essential:
  • Hands-on experience with gRPC or similar frameworks (GraphQL, RESTful) for building high-performance services.
  • Experience with cloud providers (AWS, GCP, Azure), and cloud infrastructure management.
  • Knowledge of database optimization and scaling techniques.
  • Deep understanding of distributed systems and microservices architecture.
  • Experience with Python web frameworks such as Django, Flask, or FastAPI.
  • Experience in developing frameworks or tools for complex computational systems
  • Previous experience working in a start-up or scale-up environment.

Why Q-CTRL?

Flexibility:We embrace workplace flexibility so you worry more about your impact vs a rigid work schedule.

Attractive salary:You'll get to have the start-up impact without the start-up wages.

Equity:We want people to have a sense of ownership in what they do and offer the potential for equity share and annual bonuses.

Cash bonus: We recognize exceptional performance and impact by offering annual discretionary cash bonuses.

Resources:We are well funded by the world's best technology investors, letting us chase our ambitions with minimal constraints.

Parental support:We offer paid parental leave to support you and your loved ones.

Diversity:We're an equal opportunity employer and actively support initiatives like the 'Global Women in Quantum' program to help expand the quantum workforce.

Unique culture:You'll be surrounded by some of the world's leading physicists, engineers, product, marketing and design people (to name a few) with a strong desire to learn and transfer knowledge.

Meaningful values:You'll work with an incredibly supportive team who work consistently to deliver our core values to be real, be trusted, be just and to be revered.

Personal development:We provide you with a personal development and wellness budget.

Make a dent: Last but not least you'll have the unique opportunity to help set the direction for this revolutionary technology and truly make an impact that matters

Q-CTRL aims to bring together cross-functional teams from many different backgrounds to help achieve our goals - we strongly encourage you to apply even if you do not meet all of the requirements mentioned in the job posting.

Please be advised that our communications will only come from the @q-ctrl.comdomain. All our active job postings are available on ourcompany website.

To recruitment agencies, we do not accept unsolicited branded profiles and are not responsible for any fees related to unsolicited resumes.

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