Research Software Engineer

Your Responsibilities

We are seeking a skilled and proactive

Scientific Software Engineer

to join the Scientific Computing Facility (SciComp) at ISTA. In this role, you will collaborate closely with researchers and the SciComp team to

refactor, optimize, and port scientific applications

across different programming languages and architectures. You will identify and resolve computational bottlenecks, modernize legacy codebases, and adapt scientific software for

high-performance execution on modern CPU and GPU systems .

Refactor and modularize existing scientific software to improve performance, maintainability, and scalability

Port and translate scientific applications between languages (e.g., Python, C/C++, Fortran, MATLAB)

Profile and optimize numerical algorithms for modern HPC systems (CPU, GPU, and hybrid environments)

Collaborate with researchers to adapt workflows to parallel and distributed computing architectures

Implement automated testing and CI/CD pipelines for research codebases

Contribute to internal software engineering best practices, documentation, and reusable libraries

Support the adoption of reproducible and maintainable software development practices across research groups

Your Profile

Education:

Degree in Computer Science, Computational Science, Physics, Applied Mathematics, or a related field

Programming skills : Strong proficiency in Python, C/C++, and/or Fortran

Numerical methods : Solid understanding of algorithmic optimization and numerical techniques

Experience : Proven track record in developing or optimizing scientific libraries and applications

Software practices : Familiarity with Git, unit testing, and CI/CD workflows

Parallelization : Experience with MPI, OpenMP, CUDA, or OpenACC

HPC environment : Experience deploying and running scientific applications on Slurm-based clusters

Strong debugging skills, ability to work in a team, flexibility, and commitment to high-quality results

ISTA is growing. Grow with us!

Institute of Science and Technology Austria (ISTA) is a constantly growing international institute forconducting world-class research in mathematics, computer science,life sciences & physical sciences. We strive to recruit passionateprofessionals from across the world over all fields who strive tosupport our goal of excellent research. Located within a beautifulcampus on the outskirts of Vienna, we offer multiple opportunitiesfor personal growth in a stable working environment.Get an insight!

*This position comes with possible overpayment depending on education, qualification and work experience. For more information on how ISTA processes your personal data, please refer to www.ista.ac.at/data-protection.

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