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Sr. Application Developer / Application Developer C, Department of Physics and Astronomy

University of Pennsylvania
Pennsylvania, United States
Salary Not specified
Date posted
Jun 12, 2024

Sr. Application Developer / Application Developer C, Department of Physics and Astronomy

University Overview

The University of Pennsylvania, the largest private employer in Philadelphia, is a world-renowned leader in education, research, and innovation. This historic, Ivy League school consistently ranks among the top 10 universities in the annual U.S. News & World Report survey. Penn has 12 highly-regarded schools that provide opportunities for undergraduate, graduate and continuing education, all influenced by Penn's distinctive interdisciplinary approach to scholarship and learning. As an employer Penn has been ranked nationally on many occasions with the most recent award from Forbes who named Penn one of America's Best Large Employers in 2023.

Penn offers a unique working environment within the city of Philadelphia. The University is situated on a beautiful urban campus, with easy access to a range of educational, cultural, and recreational activities. With its historical significance and landmarks, lively cultural offerings, and wide variety of atmospheres, Philadelphia is the perfect place to call home for work and play.

The University offers a competitive benefits package that includes excellent healthcare and tuition benefits for employees and their families, generous retirement benefits, a wide variety of professional development opportunities, supportive work and family benefits, a wealth of health and wellness programs and resources, and much more.

Posted Job Title
Sr. Application Developer / Application Developer C, Department of Physics and Astronomy

Job Profile Title
Application Developer C

Job Description Summary
The role of the successful candidate will be to build, deploy, and maintain the frontends for data engineering infrastructure for the Advanced Simons Observatory within the Data Delivery group. This distributed infrastructure is responsible for both internal and public data releases, and ranges from web-based map viewers to large databases of simulation products.

Job Description

The Center for Particle Cosmology (CPC) at the Department of Physics and Astronomy facilitates unfettered interactions and collaborations between the traditionally separate groups of particle physics and cosmology. Our mission is the connection of cosmology with new ideas in fundamental physics, directly testable both through the current flux of data from observational cosmology and imminent new particle physics experiments. The CPC is a key contributor to the Simons Observatory (SO), a millimeter-wave survey experiment currently being built for observations from the Atacama Desert in Chile, with a variety of scientific goals from probing the early universe to detecting millimeter-wave transients.

Job Responsibilities:

Application Developer C:
  • Frontend web development for data visualization tools, like the Simons Observatory map viewer
  • Frontend web development and design for data sharing tools
  • Some backend web development for data sharing tools
  • Deployment of web services using Docker and Rancher
  • User support with the developed services.

Sr. Application Developer:

In addition to the above responsibilities, the Senior Application Developer will manage development and technology selection of frontend services. They will take the lead on these responsibilities.


Sr. Application Developer: Bachelor of Science and 3 to 5 years of experience or equivalent combination of education and experience is required.

Application Developer C: Bachelor of Science and 2 to 3 years of experience or equivalent combination of education and experience is required.

Experience in software development is the highest priority for this position. The following skills are required for this position:

  • Significant experience with front-end web development (ideally with TypeScript, but JavaScript knowledge is acceptable)
  • Experience with the Python language
  • Experience with database integration (specifically postgres and sqlalchemy)
  • Experience with distributed projects using git
  • Good communication skills

The Sr. Application Developer must have experience with project management and technology selection.

The following skills are additionally preferred for this position:
  • A background knowledge of CMB surveys and their data products
  • Experience with the HTMX web framework
  • Experience with the React web framework
  • Experience with Python web frameworks
  • Experience with the go language
  • Experience with the S3 API and open-source alternatives (e.g. minio or JuiceFS).

This is a 3-year term-appointment.

*For consideration, please submit a cover letter as well as a resume in the CV section of your application. You can upload multiple documents to the "Resume/CV" section.

Job Location - City, State
Philadelphia, Pennsylvania

Department / School
School of Arts and Sciences

Pay Range
$51,824.00 - $95,000.00 Annual Rate
Salary offers are made based on the candidate's qualifications, experience, skills, and education as they directly relate to the requirements of the position, as well as internal and market factors and grade profile.

Affirmative Action Statement
Penn adheres to a policy that prohibits discrimination on the basis of race, color, sex, sexual orientation, gender identity, religion, creed, national or ethnic origin, citizenship status, age, disability, veteran status, or any other legally protected class.

Special Requirements
Background check required after a conditional job offer is made. Consideration of the background check will be tailored to the requirements of the job.

University Benefits
  • Health, Life, and Flexible Spending Accounts: Penn offers comprehensive medical, prescription, behavioral health, dental, vision, and life insurance benefits to protect you and your family's health and welfare. You can also use flexible spending accounts to pay for eligible health care and dependent care expenses with pre-tax dollars.
  • Tuition: Take advantage of Penn's exceptional tuition benefits. You, your spouse, and your dependent children can get tuition assistance here at Penn. Your dependent children are also eligible for tuition assistance at other institutions.
  • Retirement: Penn offers generous retirement plans to help you save for your future. Penn's Basic, Matching, and Supplemental retirement plans allow you to save for retirement on a pre-tax or Roth basis. Choose from a wide variety of investment options through TIAA and Vanguard.
  • Time Away from Work: Penn provides you with a substantial amount of time away from work during the course of the year. This allows you to relax, take vacations, attend to personal affairs, recover from illness or injury, spend time with family—whatever your personal needs may be.
  • Long-Term Care Insurance: In partnership with Genworth Financial, Penn offers faculty and staff (and your eligible family members) long-term care insurance to help you cover some of the costs of long-term care services received at home, in the community or in a nursing facility. If you apply when you're newly hired, you won't have to provide proof of good health or be subject to underwriting requirements. Eligible family members must always provide proof of good health and are subject to underwriting.
  • Wellness and Work-life Resources: Penn is committed to supporting our faculty and staff as they balance the competing demands of work and personal life. That's why we offer a wide variety of programs and resources to help you care for your health, your family, and your work-life balance.
  • Professional and Personal Development: Penn provides an array of resources to help you advance yourself personally and professionally.
  • University Resources: As a member of the Penn community, you have access to a wide range of University resources as well as cultural and recreational activities. Take advantage of the University's libraries and athletic facilities, or visit our arboretum and art galleries. There's always something going on at Penn, whether it's a new exhibit at the Penn Museum, the latest music or theater presentation at the Annenberg Center, or the Penn Relays at Franklin Field to name just a few examples. As a member of the Penn community, you're right in the middle of the excitement—and you and your family can enjoy many of these activities for free.
  • Discounts and Special Services: From arts and entertainment to transportation and mortgages, you'll find great deals for University faculty and staff. Not only do Penn arts and cultural centers and museums offer free and discounted admission and memberships to faculty and staff. You can also enjoy substantial savings on other goods and services such as new cars from Ford and General Motors, cellular phone service plans, movie tickets, and admission to theme parks.
  • Flexible Work Hours: Flexible work options offer creative approaches for completing work while promoting balance between work and personal commitments. These approaches involve use of non-traditional work hours, locations, and/or job structures.
  • Penn Home Ownership Services: Penn offers a forgivable loan for eligible employees interested in buying a home or currently residing in West Philadelphia, which can be used for closing costs or home improvements.
  • Adoption Assistance: Penn will reimburse eligible employees on qualified expenses in connection with the legal adoption of an eligible child, such as travel or court fees, for up to two adoptions in your household.

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