Senior Software Engineer

6011 Molecular Devices, LLC; Downingtown (Chester County); On-site; USD 115,000 - 125,000; Full time

Job summary

Molecular Devices in Downingtown, PA is seeking a Senior Software Engineer to develop production software for life science instruments, including licensing applications, installers, and diagnostic utilities. This on-site role emphasizes application-level development, connected-device integration, and cross-boundary troubleshooting.

You will own software from design through release, collaborating with Operations and Manufacturing to prepare for production and instrument builds within the Danaher

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related field with 7+ years of professional software development experience.
• Strong Python development skills and experience designing, implementing, testing, debugging, and maintaining production software.
• Experience developing or maintaining Windows applications, installers, deployment utilities, diagnostic tools, or support software.
• Experience with Angular/TypeScript, REST APIs, and MongoDB.
• Experience with device-communication software and hardware integration.
• Experience collaborating with Operations or Manufacturing for production release and resolving software issues affecting shipment.

Responsibilities

• Design, develop, test, debug, and maintain reliable production software across applications and codebases.
• Develop and maintain the software licensing application, including its Angular UI, Python services, MongoDB data layer, REST APIs, authentication, and activation workflows.
• Develop and maintain Windows installers, launchers, diagnostic utilities, configuration tools, and customer- and service-facing support applications using Python, PowerShell, and C# where appropriate.
• Develop and support application software that communicates with scientific instruments and connected devices; troubleshoot integration issues with firmware and device drivers.
• Own software from design through testing, release, troubleshooting, and long-term support; participate in code reviews, technical design, and risk-based decisions.

Skills

Python

Windows

PowerShell

C#

Angular

TypeScript

REST APIs

MongoDB

Debugging

Education

Bachelor's degree in Computer Science or related

Tools

MongoDB

REST APIs

Job description

Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology? At Molecular Devices, one of Danaher's 15+ operating companies, our work saves lives - and we are all united by a shared commitment to innovate for tangible impact. You'll thrive in a culture of belonging where you and your unique viewpoint matter. And by harnessing Danaher's system of continuous improvement, you help turn ideas into impact - innovating at the speed of life. Join Molecular Devices and help drive scientific discovery for life science customers in academia, biotech, pharma, and government. Our automated and AI-enabled technology empowers researchers to tackle complex questions and gain deep insights, accelerating the development of safer, more effective therapeutics. As part of our team - rooted in collaboration, authenticity, and innovation - you'll ultimately contribute to groundbreaking science that enhances lives globally and shapes a healthier future for all. Learn about the Danaher Business System which makes everything possible.

The Senior Software Engineer is responsible for developing and maintaining production software that supports Molecular Devices’ life science instruments, including licensing applications, installers, diagnostic utilities, and related product software. This senior individual-contributor role focuses on application-level development, connected-device integration, and troubleshooting across software and hardware boundaries. This position reports to the Supervisor, Software Engineering and is part of the Imaging Software Engineering team located in Downingtown, PA. This is an on-site role with no direct reports.

Key Responsibilities

• Software Application Development: Design, develop, test, debug, and maintain reliable production software. Contribute across existing applications and codebases while improving maintainability, testability, and performance.
• Licensing Applications: Develop and maintain the software licensing application, including its Angular user interface, Python services, MongoDB data layer, REST APIs, authentication, product activation, entitlement, and license-generation workflows.
• Installers and Support Tools: Develop and maintain Windows installers, launchers, diagnostic utilities, configuration tools, and customer- and service-facing support applications. Use Python and PowerShell to automate reliable installation, upgrade, configuration, and troubleshooting workflows, with C# where appropriate. Partner with Operations and Manufacturing to prepare these tools and licensing workflows for instrument builds, production release, and shipment.
• Instrument Software Integration: Develop and support application software that communicates with scientific instruments and connected devices. Investigate integration issues and collaborate with firmware and device‑driver developers to resolve problems across system boundaries.
• Software Quality and Lifecycle Ownership: Take ownership of software from design and implementation through testing, release, troubleshooting, corrective maintenance, and long-term support. Participate in code reviews, technical design discussions, defect investigation, documentation, and risk-based decision-making within a structured product-development environment.

Essential Requirements

Education and Experience: Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related technical discipline with 7+ years of professional software development experience; equivalent directly relevant experience may be considered.

• Software Application Development: Strong Python development skills and demonstrated experience designing, implementing, testing, debugging, and maintaining production software. Experience developing or maintaining Windows applications, installers, deployment utilities, diagnostic tools, or support software. Working knowledge of PowerShell and experience with C# or another strongly typed application-development language. Ability to understand established codebases, identify root causes, and implement maintainable corrective changes.
• Angular and Database-Backed Applications: Professional experience developing or maintaining applications using Angular and TypeScript, REST APIs, and databases. Hands‑on experience with MongoDB or a comparable document database, including data modeling, queries, integration, and troubleshooting.
• Hardware-Connected Software: Professional experience developing or maintaining application software that communicates with physical devices, including troubleshooting interactions with operating systems, device drivers, firmware, SDKs, or communication interfaces.
• Operations and Manufacturing Partnership: Experience working with Operations or Manufacturing to prepare software for new-product introduction and production release. Experience supporting product or instrument builds and resolving software issues affecting manufacturing or shipment.

Preferred Experience

It would be a plus if you also possess previous experience in:

• Scientific or Imaging Applications: Developing software for laboratory instruments, microscopy, imaging systems, or analytical equipment.

Travel and Work Environment Requirements

Up to 10% travel, including occasional overnight travel, to support manufacturing sites, suppliers, product transfers, or internal planning activities. This position requires working on-site at the Downingtown, PA location and may require occasional participation in time-sensitive support outside normal working hours.

Benefits

Molecular Devices, a Danaher operating company, offers a broad array of comprehensive, competitive benefit programs that add value to our lives. Whether it is a health care program or paid time off, our programs contribute to life beyond the job. Check out our benefits at Danaher Benefits Info.

The annual salary range for this role is $115,000 - $125,000. This is the range that we in good faith believe is the range of possible compensation for this role at the time of this posting. This range may be modified in the future. This job is also eligible for bonus/incentive pay. We offer a comprehensive package of benefits including paid time off, medical/dental/vision insurance and 401(k) to eligible employees. Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company's sole discretion, consistent with the law.

About Us

Join our winning team today. Together, we’ll accelerate the real-life impact of tomorrow’s science and technology. We partner with customers across the globe to help them solve their most complex challenges, architecting solutions that bring the power of science to life. For more information, visit www.danaher.com.

Danaher Corporation and all Danaher Companies are committed to equal opportunity regardless of race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity, or other characteristics protected by law. The U.S. EEO posters are available here. For candidates who are based outside of New York City or who are applying for roles outside of New York City, for more information about conditions of any job offer please click here. We comply with federal and state disability laws and make reasonable accommodations for applicants and employees with disabilities. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact:1-202-419-7762 or [e-mail].

Danaher is a leading global life sciences, biotechnology, and diagnostics innovator, helping to solve many of the world’s most important health challenges, ultimately improving quality of life for billions of people today, while setting the foundation for a healthier, more sustainable tomorrow. The Danaher ecosystem is made up of more than 15 businesses united by a shared commitment to innovate for tangible impact. Please read our Applicant Data Privacy Notice carefully here.