Application Developer

Get AI-powered advice on this job and more exclusive features. Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. We thrive on finding and cultivating talented people who are passionate about what they do. Join us and be a part of the diverse Caltech community. Job Summary IPAC at Caltech is looking for a developer for the RAPID pipeline team. As a part of the Physics, Math, and Astronomy Division at Caltech, IPAC ( www.ipac.caltech.edu ) provides science operations, user support, data and archive services, and scientific vision to maximize discovery with observatories both in space and on the ground. We are partners with NASA, NSF, JPL, and the international research community to advance exploration of our Universe. Over our three-decade history, we have provided a range of support for more than 20 astronomy missions, helping each to bring forth major advances in astrophysics and cosmology. As a member of our RAPID team, you will enable scientists to explore the dynamic sky; finding supernovae, other rare cataclysmic events, variable stars, asteroids, and all other manner of time-varying phenomena from our solar system to the edges of the Universe. Where You Fit In RAPID is a time-domain Project Infrastructure Team (PIT) for the upcoming NASA Nancy Grace Roman Space Telescope. The PIT is responsible for a low-latency pipeline to discover changes between observations, then alert astronomers for follow up with other resources. The pipeline will run within AWS, automatically processing observations on receipt, all without a human in the loop. The PIT will also provide associated resources and services to the international community, such as historical light-curves of variable sources, and an on-demand forced-photometry service. The developer will help write, validate, and tune the pipeline and services, working with scientists and engineers across several Roman teams. Essential Job Duties Refine project architecture and interfaces. Write python modules for specific tasks. Validate performance of delivered code. Integrate modules into pipeline scaffolding. Deploy, maintain and tune pipeline in AWS. Communicate regularly with the rest of the RAPID team. We work a regular work week; however during operations you will sometimes need to support off-hours activities. We encourage continuing career education, and this position offers occasional opportunities to attend industry conferences and related training. Basic Qualifications Bachelor’s degree or equivalent experience in Computer Science, Computer Engineering, Astronomy, Physics, Math or a related technical field. At least 2 years of production experience of Python code development and maintenance. Experience with SQL. At least 2 years of experience with Linux/Unix operating systems. Good written and interpersonal communication skills, with an emphasis on the ability to share ideas in a collaborative setting. Preferred Qualifications Production experience with AWS. Operation of multi-component pipelines, including batch systems, monitoring, logging and dashboards. Experience in automating infrastructure and code deployment, such as Terraform and GitOps. Familiarity with astronomical image differencing. Required Documents Resume Cover Letter Complete applications submitted by November 14, 2025, will receive full consideration, although review of applications will continue until a suitable candidate has been identified. This position is based in Pasadena, California. While there is some flexibility for remote work, a fully remote arrangement will not be considered. The selected candidate should be able to begin employment within two to three months of accepting an offer. Hiring Range $40.00 - $48.25 Per Hour Benefits and Other Information The salary of the finalist(s) selected for this role will be set based on a variety of factors, including but not limited to, internal equity, experience, education, specialty and training. Caltech offers comprehensive benefits to eligible employees and their dependents, including health, dental, and vision insurance, retirement savings plans, paid time off, tuition reimbursement, and more. Non-benefit eligible employees will have access to some benefits such as onsite counseling and sick time. EEO Statement We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, or national origin, disability status, protected veteran status, or any other characteristic protected by law. Caltech is a VEVRAA Federal Contractor. To read more Equal Employment Opportunity (EEO) go to eeoc_self_print_poster.pdf. Disability Accommodations Caltech complies with the Fair Employment and Housing Act (FEHA) and the Americans with Disabilities Act (ADA). We consider reasonable accommodation measures that may be necessary for eligible applicants and employees to perform the essential functions of a position. If you would like to request an accommodation to complete this application, interview, or otherwise participate in the employee selection process, please contact Caltech Recruiting. If you do not meet the basic qualifications of a role but believe you can perform the essential functions of the job with reasonable accommodation, please reach out to Caltech Recruiting. Location and Application Timeline This position is based in Pasadena, California. There is some flexibility for remote work, but a fully remote arrangement will not be considered. Complete applications submitted by November 14, 2025 will receive full consideration; review will continue until a suitable candidate is identified.

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