Senior Java Software Engineer Jobs in Ansonia, CT

D-Wave Quantum Inc. New Haven, Connecticut, United States

D-Wave (NYSE: QBTS), D-Wave 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.

D-Wave is seeking a Senior Full Stack 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 to and reliable operation of our gate‑model quantum computers. You will have the opportunity to shape our products and work across the full stack, contributing to highly visible, impactful projects that advance the future of quantum computing. We are looking for an innovative problem solver who thrives on tackling complex technical challenges and building automated, scalable, resilient, and maintainable systems. You are passionate about designing elegant solutions, delivering high‑quality software, and driving technical excellence across the platform.

• Collaborate with product managers, scientists, and other engineers to translate functional requirements into technical specifications and solutions.
• Architect and build efficient, reliable, and maintainable systems from concept to production.
• Design and build the tooling and core software needed for the development and operation of our quantum processors.
• Design and implement user interfaces using modern front‑end technologies.
• Write clean, well‑documented code and participate in code reviews to ensure code quality and maintainability.
• Troubleshoot and debug issues, identify bottlenecks, and implement solutions to optimize performance and improve the user experience.
• Provide mentorship and guidance to junior engineers.

• Bachelor’s or higher in computer science, electrical/computer engineering, math, or physics.
• 5+ years of hands‑on full‑stack software development experience.
• Strong Python experience and experience in another high‑level language such as Go, C++, or Java.
• Proficient in front‑end technologies and modern frameworks such as Vue.js or React.
• Competence with cloud platforms, specifically AWS.
• Proficiency in database systems and SQL, with hands‑on experience designing, optimizing, and maintaining relational databases (PostgreSQL preferred).
• Competence with Git version control, build tools, and CI/CD pipelines.
• 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 RESTful APIs.
• Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes).

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.

It is D‑Wave Systems Inc. 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.

Base pay range: 124,360 – 186,540 USD per year (New Haven)