Software Engineer

About Qunnect: Qunnect is a dynamic, venture-backed startup based in the heart of Brooklyn, NY. We build and deploy first-in-class hardware that transforms existing telecommunication fiber infrastructure into quantum-secure networks for defense, intelligence, financial services, and critical infrastructure customers.

Job Description: As a Software Engineer at Qunnect, you'll play a crucial role in developing software solutions that enable the operation and optimization of quantum networking systems. You'll collaborate closely with our team of physicists and hardware engineers to develop early-stage products into industry-grade quantum networking devices, integrating them into our software control plane. You will help build, operate, and monitor reliable, metropolitan-scale quantum networks on fiber testbeds worldwide—including our own in New York City—and support deployment of our networking suite at customer and partner facilities.

This is a full-time, on-site, mid-level role in a fast-paced and multidisciplinary R&D setting.

Key Responsibilities:

• Design and develop software for controlling and interfacing with quantum networking devices.
• Maintain and evolve internal tooling, CI/CD pipelines, and test infrastructure to support high-quality, maintainable software.
• Deploy, maintain, and support software systems used by internal teams and external customers operating these devices.
• Collaborate closely with physicists, hardware engineers, and manufacturing teams on R&D across multiple product lifecycles.
• Optimize the performance, security, and reliability of quantum networking systems.

Required Qualifications:

• Bachelor's or Master's degree in Computer Science or a related field.
• 3+ years of full stack software engineering experience.
• Proficiency in programming languages such as Python, JS/React, C/C++.
• Experience in building features end to end: iterate on the specs, define the data model, design and implement the backend APIs, build the frontend components.
• An understanding of DevOps best practices and CI/CD pipelines.
• Excellent problem-solving skills and a collaborative mindset.
• Strong communication skills and the ability to work effectively in interdisciplinary teams.

Preferred Qualifications:

• Experience working with hardware and MCUs.
• Experience with data analysis for evaluating system performance, experimental results, or operational metrics.
• Strong understanding of networking protocols.
• An interest in physics and quantum communication.

Job Type: Full-time

Compensation: $130k - $175k per year

Benefits:

• 401(k) with company matching
• Health insurance
• Vision & Dental Insurance
• Paid Time Off
• Flexible Work from Home

Supplemental compensation types:

• Bonus pay
• Stock Options

At Qunnect, we offer a stimulating and collaborative work environment, competitive compensation, and the opportunity to be at the forefront of networking innovation. Join our team and contribute to shaping the future of the industry.

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Must be legally able to work in the United States. We are not able to support work authorization sponsorship for this role.

Qunnect is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.