Senior Java Engineer

Senior Java Engineer Employer GenScript Location United States Start date Apr 17, 2026 categoriesView less categories Job Details Company Job Details About GenScript GenScript Biotech Corporation (

Stock Code:

1548.HK) is a global biotechnology group. Founded in 2002, GenScript has an established global presence across North America, Europe, the Greater China, and Asia Pacific. GenScript's businesses encompass four major categories based on its leading gene synthesis technology, including operation as a Life Science CRO, enzyme and synthetic biology products, biologics development and manufacturing, and cell therapy. GenScript is committed to striving towards its vision of being the most reliable biotech company in the world to make humans and nature healthier through biotechnology.

Description:

Architect and develop mission-critical Java software for next-generation automated instruments, enabling precise control of microcontrollers, valves, sensors, and pressure regulators. Own the full-stack software infrastructure, from low-level hardware communication (USB/SPI/serial) and embedded firmware integration to GUI design, data pipelines, and database management, ensuring reliability for end-user scientists.

Responsibilities:

Java-Centric Development:

Lead high-level Java development for instrument control, including multi-threaded applications, GUI frameworks (JavaFX/Swing), and hardware abstraction layers. Modernize legacy Java codebases while maintaining backward compatibility with embedded systems (custom controller PCB based on industry standard microcontroller).

Hardware Integration:

Interface with microcontrollers, sensors, and actuators via protocols (SPI/I2C/serial) and real-time messaging systems. Debug and optimize low-level communication between software and hardware components.

Database & Systems Management:

Design and maintain relational databases for instrument metadata, experiment logs, and process analytics. Implement data analysis pipelines (Python/Java) for real-time monitoring, post-processing analysis and process optimization.

Technical Leadership:

Act as SME for software architecture: document APIs, enforce good design practices, and mentor junior engineers if needed. Drive CI/CD pipelines, version control (Mercurial/Git), and automated testing frameworks.

Onsite Requirement:

This is a fully onsite role due to the hands-on nature of instrument control, hardware integration, and close collaboration with engineering and scientific teams.

Qualifications:

Requires Bachelor's degree in Computer Science, Computer Science & Engineering, Software Engineering, Electrical Engineering or a related Engineering field.

Experience:

6-8 years in Java development for instrumentation/robotics/embedded systems (or equivalent).

Technical Skills:

Java Expertise:

Core Java, multi-threading, JavaFX/Swing, Maven, NetBeans.

Hardware Protocols:

USB, Serial, SPI, I2C (hands-on debugging).

Bonus:

Python scripting, Qt/GUI frameworks, embedded firmware (C/C++).

Soft Skills & Culture Fit:

"Product mindset": Balance technical rigor with end-user needs (scientists' workflows). Communicate complex ideas clearly to both engineers and non-technical stakeholders.

Autonomy:

Self-driven in ambiguous, R D-paced environments.

Benefit:

Medical Insurance/ Vision Insurance/ Dental Insurance 401(k) & Retirement Savings Plan (RSP) Short Term Disability Insurance New Child Leave Paid Time Off Paid Company Holidays per year Paid Sick Days (earned based on hours worked) Compassionate Leave Jury Duty Leave Float day Personal days

Perks:

Free colleague meals during shift Onsite massages Charis Onsite gyms

Compensation:

Salary range: $140,000 - $170,000 total compensation, including bonus, depending on experience and qualifications. GenScript USA Inc/ProBio Inc. is a proud equal opportunity/affirmative action employer committed to attracting, retaining, and maximizing the performance of a diverse and inclusive workforce. It is the Company's policy to ensure equal employment opportunity without discrimination or harassment based on race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity or expression, age, disability, national origin, marital or domestic/civil partnership status, genetic information, citizenship status, uniformed service member or veteran status, or any other characteristic protected by law. GenScript USA Inc./ProBio Inc. maintains a drug-free workplace.

Please note:

Genscript USA Inc./ProBio Inc. will only contact candidates through verified application sources. GenScript/Probio does not request personal information from candidates through individual email or any other platform. Company GenScript Biotech Corporation (HK.1548) is an important technology and service provider in the world for life science R D and manufacture. Built upon its solid DNA synthesis technology, GenScript Biotech comprises four major business units: a life-science services and products business unit, a biologics contract development and manufacturing organization (CDMO) business unit, an industrial synthetic products business unit, and an integrated global cell therapy company. GenScript Biotech was founded in New Jersey, USA in 2002 and listed on the Hong Kong Stock Exchange in 2015. The company's business operations span over 100 countries and regions worldwide with legal entities located in the U.S., China, Japan, Singapore, Netherlands, Ireland, the United Kingdom, Korea, Belgium and Spain. GenScript Biotech provides premium, convenient and reliable services and products for over 200,000 customers. As of June 30, 2024, GenScript Biotech had more than 6,900 employees globally, and 103,600 peer-reviewed journal articles worldwide had cited GenScript Biotech's services and products. In addition, GenScript Biotech owns a number of intellectual property rights, including over 300 patents, over 900 patent applications and great numbers of know-how secrets. Driven by the corporate mission of "make people and nature healthier through biotechnology", GenScript Biotech strives to become the most trustworthy biotech company in the world. Company info Location Piscataway NJ United States