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Qiskit Software Developer

IBM

IBM

Software Engineering
California, USA · Texas City, TX, USA
Posted on Nov 5, 2025
Introduction

Qiskit is the world’s most popular and performant software stack for quantum computing and algorithms research and development. With about 70% of the quantum programmers in the world using Qiskit for many years running according to independent surveys. Qiskit is open-source and working towards open-governance: https://github.com/Qiskit. It’s now developed using Rust, which is a significant contributor to maintaining its performance leadership. We are now working with the vision of making it the gcc and libc of quantum computing: open, very performant and platform-neutral quantum compiler and the standard library for programming with quantum computers. We are looking for candidates to grow to be integral contributors and technology leaders in the core Qiskit team.

Your role and responsibilities
  1. Qiskit is a flagship for IBM Quantum and you will be a senior software developer in the Qiskit team and expected to grow to be an integral contributor and technology leader in this team.
  2. This includes making strong code contributions to the Qiskit SDK and maintaining it: http://github.com/Qiskit/qiskit
  3. A strong collaborator in a multi-disciplinary team with skills in performant software design and engineering, quantum compilers and quantum information. You mentor the junior team members on your strengths and quickly learn the other skills on the job.
  4. An ideal candidate keeps up with the state-of-art research on topics relevant to Qiskit including quantum compilers and quantum information, and works with the researchers to integrate a performant implementation of the state-of-the-art algorithms into Qiskit.
  5. Ability to work with large open-source projects. Should know the best practices for working in open-source communities, mechanics of github and code review.
  6. The candidate should be able to work and collaborate with large teams situated across the globe.
Required education
Bachelor's Degree
Preferred education
Doctorate Degree
Required technical and professional expertise
  1. We expect a candidate to be experienced in most of the skills mentioned below:
  2. Performant software engineering with ability to use low-level programming language-specific constructs to optimize code
  3. Strong software design and architecting with experience contributing to large codebases
  4. Proficient in Rust and Python
  5. Strong background in data structures, algorithms and mathematics (linear algebra, and preferably graph theory and probability theory).
  6. Domain knowledge in quantum compilers or quantum information.

ABOUT BUSINESS UNIT

IBM Research is the organic growth engine of IBM and an innovation engine for our customers and partners. As part of this mission, IBM Research anticipates and examines 'What's Next in Computing' to ultimately create and integrate the technologies the world relies upon to solve big challenges and unlock new opportunities. We create and pioneer new markets for IBM, our partners and customers as exemplified in our ongoing quest to reach practical and large-scale quantum computing. Across IBM Research, we realize the power and potential to accelerate discovery with our partners and clients by combining the power of high performance computing, AI, and Quantum, all integrated through the hybrid cloud.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

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