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Sr/Staff Software Development Engineer

Cytek Biosciences

Cytek Biosciences

Software Engineering
Seattle, WA, USA
Posted on Saturday, June 1, 2024


We are seeking a dynamic Sr/Staff Software Development Engineer to become a valuable addition to our team of software developers and test engineers. In this role, you will be responsible for developing innovative solutions for cell analysis applications using novel technologies. We are in search of an experienced and motivated individual who thrives in a high-paced development environment and will play a pivotal role in the software, algorithms, and application development engineering team. Working closely with our biology and instrumentation engineering teams, you will help design and implement robust, creative, and impactful solutions using advanced cellular analysis methods to support instrument operation and a variety of biological applications such as blood cell morphology analysis for disease detection, sperm cell morphology analysis for infertility studies, toxicity detection for drug development and algae analysis for biofuels.


To perform this job successfully, an individual must be able to perform essential duties and responsibilities satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Responsible for designing, developing and maintaining robust, creative and impactful solutions using advanced cellular analysis methods to support instrument operation and a variety of biological applications.

  • Design and Implement user-friendly interfaces for instrumentation and analysis software
  1. Research instruments and new technology in the flow cytometry market to inform the development of easy to use and feature-rich software.
  2. Interact with hardware engineers, biologists, and other relevant stakeholders to develop use cases for new and existing products.
  3. Develop and document business requirements that support the use cases and provide the basis for system level testing.
  4. Translate business requirements into a structured, maintainable, easy to use user interface design that meets the product requirements.
  5. Mock/prototype interfaces and present to stakeholders.
  6. Implement User interfaces in C++/Qt on Windows.
  • Actively participate in the full software life cycle development
  1. Using object-oriented methodologies, develop user interface software to meet product design specifications.
  2. Develop and execute unit level test plans to ensure software quality.
  3. Integrate and test user interface software with the real-time instrument server software.
  4. Participate in design and code reviews and communicate technical concepts clearly and effectively both verbally and in writing.
  5. Track, debug, and resolve all issues detected in the application software.
  • Assist customer support, service, and production with the detection and resolution of any problems that may occur in-house or in the field.


The requirements listed below are representative of the knowledge, skill, and/or ability required.

  • Bachelor’s degree in Computer Science, Computer Engineering, or a related field is required.
  • Minimum of 3 years of experience in programming object-oriented applications, with proficiency in languages such as C#, C/C++, or others.
  • Proficient in developing application software with a strong commitment to quality and adherence to coding standards, code reviews, and testing.
  • Sound understanding of Object-Oriented Design concepts.
  • Demonstrated experience in creating and maintaining Graphical User Interfaces (GUI).
  • Experience collaborating within a team of software engineers and contributing to project deliverables.
  • Ability to manage tasks effectively and prioritize workloads to meet project deadlines.
  • Strong problem-solving skills and attention to detail in debugging and troubleshooting software issues.
  • Effective verbal and written communication skills for team collaboration and reporting.
  • Familiarity with version control systems such as Git, Perforce, or similar tools.
  • Exposure to UI toolkits such as QT, WPF, or WinForms is a plus.
  • Familiarity with enterprise multi-threaded applications in C++ would be advantageous.
  • Basic understanding of relational (SQL) or non-relational databases.
  • Proficiency in Mandarin is preferred.


The physical demands described here are representative of those that an employee must meet to perform the essential functions of this job successfully. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

  • Extended durations spent seated at a desk, engaging in computer work.
  • Repetitive actions involving computer equipment usage.
  • Occasionally able to lift items weighing up to 25 pounds.
  • May be required to travel up to 5% of the time.

Cytek is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, gender identity, sexual orientation, national origin, genetic information, disability status, veteran status, or any other characteristic protected by law.