Senior Software Engineer [604]

D-Wave Quantum Inc.; New Haven (CT); On-site; USD 140,000 - 190,000; Full time

Job summary

D-Wave Quantum Inc. in New Haven, CT is seeking a Senior Software Engineer to join the Systems Software Engineering team. You will design and build core platform infrastructure, backend services, and user-facing features enabling access and reliable operation of simulators and quantum processors.

The role requires solving complex problems, delivering high-quality software, and mentoring junior engineers while contributing to scalable, automated systems across the product.

Qualifications

• BS or higher in CS, EE/CE, math, or physics.
• 5+ years of professional software development experience.
• Strong Python and at least one compiled language (C++, Go, or Rust).
• Experience with NumPy and open-source contributions.
• Experience with AWS and SQL.
• Proficient with Git, CI/CD pipelines, and REST APIs.
• Familiar with testing (unit/integration) and documentation.

Responsibilities

• Translate requirements into technical specs and production solutions.
• Lead architecture for simulators, quantum processor services, and platform infra.
• Design tooling for development, operation, and monitoring.
• Write clean, well-documented code and review peers.
• Troubleshoot bottlenecks and optimize performance.
• Contribute across the software lifecycle from design to production support.
• Mentor junior engineers.

Skills

Python

C++

Go

Rust

NumPy

Open-source

AWS

SQL

REST APIs

Testing

CI/CD

Docker

Kubernetes

Documentation

Communication

Mentorship

Education

BS or higher in CS/EE/CE/Math/Physics

Tools

Docker

Kubernetes

Git

CI/CD tools

REST tooling

Job description

D-Wave Quantum Inc. (NASDAQ: QBTS) is a leader in the development and delivery of quantum computing systems, software, and services. It is the world's first commercial supplier of quantum computers, and the first and only to offer dual-platform quantum computing products and services, spanning both annealing and gate-model quantum computing technologies. D-Wave's mission is to help customers realize the value of quantum today through enterprise-grade systems available on-premises and via its Leap™ quantum cloud service, which offers 99.9% availability and uptime. More than 100 organizations across commercial,government,and research sectors trust D-Wave to address complex computational challenges using quantum computing. Learn more about realizing the value of quantum computing today and how D-Wave is shaping the quantum-driven industrial and societal advancements of tomorrow: www.dwavequantum.com .

About the role

D-Wave is seeking a Senior Software Engineer to join our Systems Software Engineering team. In this role, you will design and build core platform infrastructure, backend services, and user-facing features that enable seamless access and reliable operation of our simulators and gate-model quantum computers. You will have the opportunity to help shape our products, contributing to highly visible, impactful projects that advance the future of quantum computing. We are looking for an experienced software engineer who enjoys solving complex technical problems and building automated, scalable, resilient systems. You are thoughtful about engineering tradeoffs, passionate about delivering high-quality software, and motivated to raise technical standards through design leadership, mentorship, and collaboration.

What you'll do

• Collaborate with product managers, scientists, and applications engineers to translate functional requirements into technical specifications and production solutions
• Lead the architecture and implementation of reliable, maintainable systems spanning simulators, quantum processor services, and supporting platform infrastructure
• Design and build the tooling and core software used to develop, operate, and monitor our quantum processors
• Write clean, well-documented code, and participate in design and code reviews to ensure code quality and maintainability
• Troubleshoot issues, identify bottlenecks, and implement solutions to optimize performance and improve the user experience
• Contribute throughout the software lifecycle from requirements and architecture through implementation, deployment, and production support
• Provide mentorship and guidance to junior engineers

About You

• BS or higher in computer science, electrical/computer engineering, math, or physics
• 5+ years of hands-on professional software development experience
• Strong Python software development experience and proficiency in at least one compiled or systems programming language, such as C++, Go, or Rust
• Experience with scientific computing libraries such as NumPy
• Experience contributing to open-source software projects
• Competence with cloud platforms specifically AWS
• Proficiency in database systems and SQL
• Competence with Git version control, build tools, and CI/CD pipelines
• Proficient with RESTful APIs
• Use of software testing principles and practices including unit testing, integration testing, and end-to-end testing
• Strong problem-solving skills, exceptional attention to detail, and the ability to collaborate effectively in a fast‑paced team environment
• Excellent communication and interpersonal skills with the ability to effectively document and communicate technical concepts
• Experience with containerization and orchestration technologies (e.g. Docker, Kubernetes)
• Experience with performance profiling and diagnosing system issues

A D-Waver's DNA

• We look at the future and say "why not"; we see possibilities where others see problems or routines. We show the way ahead and are committed to achieving ambitious goals.
• We practice straight talk and listen generously to each other with empathy. We value different opinions and points of views. We ensure that we connect outside as well as inside to learn from others and inspire each other.
• We hold ourselves accountable for delivering results. We make decisions & take responsibility so that we can act & support each other.
• As leaders we motivate & engage our teams to undertake beyond what they originally thought possible, by developing our teams & creating the conditions for people to grow and empower themselves through enabling & coaching.

Our Compensation Philosophy is Simple but Powerful:

We believe providing D-Wavers with company ownership, competitive pay, and a range of meaningful benefits is the start of creating a culture where people want to give the best they've got - not because they're simply making money, but because they've fallen in love with our vision, mission, values, and team.

During the interview process, your Recruiter will review our total rewards (base, equity, bonus, perks, benefit, culture) offerings. The final offer is determined by your proficiencies within this level.

Inclusion:

We celebrate diverse perspectives to drive innovation in our pursuit. Our employees range from distinguished domain experts with decades of experience in their respective fields, to bright and motivated graduates eager to make their mark. Our diverse and innovative team will make you feel appreciated, supported and empower your career growth at D-Wave.

The Fine Print:

No 3rd party candidates will be accepted

It is D-Wave policy to provide equal employment opportunity (EEO) to all persons regardless of race, color, religion, sex, national origin, age, sexual orientation, gender identity, genetic information, physical or mental disability, protected veteran status, or any other characteristic protected by federal, state/provincial, local law.