Senior Java Engineer

About GenScript
Founded in 2002 in New Jersey, GenScript Biotech Corporation accelerates innovation in biotech and healthcare by providing researchers and companies with the building blocks needed to develop groundbreaking treatments and products. Guided by its mission to Make People and Nature Healthier Through Biotechnology, and its role as a well-recognized biotechnology company, GenScript has a team of approximately 6,165 employees and has served more than 200,000 customers across over 100 countries and regions.
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:

1. Java-Centric Development:
2. 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).
3. 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.
4. 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.
5. 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 afully 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.
Benefits:
Benefits include medical, dental, and vision insurance as well as a 401(k) retirement plan with a company match that vests fully on day one. We offer paid parental leave after just three (3) months of employment, and a paid time off policy that includes vacation time, personal time, sick time, floating holidays, and company holidays. Additional benefits include flexible spending and health savings accounts, life and AD&D insurance, short- and long-term disability coverage, legal assistance, and supplemental plans such as pet, critical illness, accident, and hospital indemnity insurance. We also provide commuter benefits, well-being initiatives, and peer-to-peer recognition programs; demonstrating our ongoing commitment to building a culture where our people feel empowered, supported, and inspired to do their best work.
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.