Open Source Developer Jobs

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4d ago

AP108 HEASARC Senior Scientific Software Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

4d ago

Full time Python Senior Engineering

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Job Description

ADNET Systems, Inc is seeking an AP108 HEASARC Senior Scientific Software Developer to join the team onsite in Greenbelt, Maryland. This role centers on building, sustaining, and guiding open source software for the HEASARC at NASA GSFC, with a focus on modernizing workflows, designing a forward-looking code base, and encouraging broad community input.

Responsibilities

Develop, maintain, and manage open source software projects.
Modernize development and management practices used by the team.
Open source portions of the codebase and actively foster community contributions.
Contribute to the design and implementation of the future code base.
Collaborate across a multi-language, multi-contributor environment to improve consistency without full rewrites.
Provide strong written communication for technical documentation and contributor-facing guidance.

Requirements

Proven experience developing and maintaining large, long-lived code bases in collaborative or open source settings.
Proficiency in at least one systems-level language (C, C++, Fortran) and one scripting language (Python, Perl, or shell).
Experience with modern software development practices including Git version control, code review workflows, CI/CD pipelines, and issue tracking.
Experience managing open source projects, including contribution workflows, licensing considerations, and contributor-facing documentation.
Ability to work across a multi-language, multi-contributor code base and improve consistency without requiring full rewrites.
Strong written communication skills for technical documentation and contributor guidance.
Bachelor of Science degree in Physics, Astronomy, Computer Science, or a relevant physical science.
U.S. Citizenship or Permanent Residency (LPR) required, with U.S. residency for the past three consecutive years.
Ability to obtain and maintain a Tier 1 Investigation through NASA.

Technologies

C
C++
Fortran
Python
Perl
Shell
git
HEASoft
FTOOLS
XSPEC
FITS
CMake
Autotools

Benefits

Annual leave and sick leave
Military and family emergency leave
Paid holidays
Performance bonuses
Medical, dental, and vision plans
Direct deposit payroll
401K plan with company matching
Tuition reimbursement
Swag bags

Desired Qualifications

Experience modernizing or refactoring legacy scientific software
Familiarity with HEASARC tools or high-energy astrophysics data formats (HEASoft, FTOOLS, XSPEC, FITS)
Experience with software build systems (CMake, Autotools, or similar) across multiple platforms
Background in scientific computing or research software engineering
Experience designing software architecture for long-term maintainability and extensibility
Master of Science degree or higher in Physics, Astronomy, Computer Science, or related physical science

Education

Bachelor of Science

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