Software Engineer

This role requires relocation to Palo Alto, California after a ~6-month onboarding in Ljubljana, Slovenia.

About the role

You will begin your career with Cosylab in Ljubljana, Slovenia, where you will be onboarded by experienced engineers and introduced to our technologies, projects, and engineering culture. After onboarding (cca. 6 months), you will relocate to Cosylab USA in Palo Alto, California to work on projects at the customer site (Stanford Linear Accelerator Center) and build long-term relationships with our partners.

We are looking for a Software Engineer to join our team and help develop distributed control and data acquisition systems using EPICS and related technologies. EPICS is a widely used control-system framework for small and large-scale scientific and industrial facilities that enables us to build reliable, distributed control systems. You will help develop various systems for monitoring and controlling accelerators. These systems include detectors for capturing beam images, superconducting magnets used to change the shape and direction of the beam, nanosecond-resolution timers, cryogenic systems responsible for cooling superconducting materials, vacuum systems, and other similarly complex systems.

This role is ideal for a mid-level engineer with strong C/C++, Python, and Linux skills who enjoys solving challenging technical problems, working directly with customers, and continuously learning new technologies. Don’t worry, we understand the unique nature of our domain and offer mentorship and support to help you acquire the specific knowledge necessary for success in this field.

Key tasks and responsibilities

Collaborate with physicists, engineers, operators, and project teams.
Work directly with customers to understand requirements and deliver practical solutions.
Develop software for EPICS-based control and data acquisition systems.
Design, implement, test, and maintain applications in C/C++ and Python.
Integrate instrumentation, hardware devices, PLCs, and data acquisition systems.
Support system commissioning, troubleshooting, optimization, and maintenance.
Write and maintain technical documentation.

Requirements

Willingness to relocate to the Bay Area, California after onboarding in Slovenia.
Experience with C and/or C++ software development.
Experience using Python for scripting, automation, or application development.
Strong Linux development and troubleshooting skills.
Understanding of networking fundamentals and distributed systems.
Strong communication skills.

Education

B.Sc. in Computer Science, Electrical Engineering, or other related technical disciplines.
Fluency in spoken and written English.

Bonus points if you have

Experience with EPICS.
Experience with hardware integration, instrumentation, or DAQ systems.
Experience with Allen-Bradley or Beckhoff PLCs.
Experience with distributed, high-performance, or real-time systems.
Interest in or experience within the scientific domain (particle accelerators, fusion energy, space,…).

What we offer

Employment contract for an indefinite period with a six-month probationary period.
A work environment with flexible working hours and a hybrid work model.
Plenty of personal and professional growth opportunities combined with a competitive and periodically updated salary tailored to your skills, experiences, and results.
Interesting work full of challenges in an international working environment.
High-impact learning culture: regular in-house and external training sessions and a team of international professionals eager to help you grow.
Benefits and perks are tailored to the location of employment and will be discussed in detail during the hiring process.

Why join Cosylab?

We are the leading software solutions provider for the world’s most complex, precise, and advanced systems, such as particle accelerators, large telescopes, fusion reactors, innovative medical devices, and cancer treatment systems. Our technology enables organizations to make scientific discoveries, offer the most cutting-edge cancer treatments, innovate in healthcare, and introduce clean fusion energy to future energy markets.

Working at Cosylab is a great opportunity to discover genuine teamwork and collaborate with experts from the world’s most important research projects. We value and strive to achieve good interpersonal relationships and try to ensure the pleasant well-being of all our employees. We are friendly, proud to work together, and able to develop just about any solution we put our minds to.

Cosylab culture

Our values

We offer the best solutions for ambitious businesses.

Think bold

We deliver exceptional solutions through courageous thinking, open communication and the drive to continuously improve.

Be modest

We set our egos aside in actively listening, respecting one another, and embracing the diversity of experience and perspective across the company.

Work smart

We know we get more accomplished by working together, being accountable, focusing our efforts and going the extra mile.

Enjoy life

We prioritize balance and positivity, nurturing personal wellness and celebrating successes.

Do good

We support one another and are passionate about solving the difficult problems that ultimately help make the world a better place.

Discover our work environment

Apply for Software Engineer by Wednesday, July 22, 2026

Please fill in the application form and upload your English CV, motivational letter and other relevant documents.

First name *

Last name *

Phone *

Valid e-mail address *

Where did you hear about us? *

Please select

Cosylab web page
Facebook
Instagram
LinkedIn
Twitter
MojeDelo.com
Optius
Search engine
From a friend or family member
Newspaper article mentioning Cosylab
At the event Cosylab participated at
At the faculty
Other

Message *

0 of 4000 max characters

Drag & Drop or Select files to upload *

Max files: 5, Max size: 50 MB, allowed types: .pdf, .doc, .docx, .txt, .xlsx, .csv, .zip, .7z, .rar

Consent for Personal Data Processing

I hereby give my consent to Cosylab d.d., and if the application pertains to a job position at Cosylab d.d.'s subsidiary, to said subsidiary (both together referred to herein as 'Cosylab'), for processing my personal data for the purpose of selection and employment (please select YES or NO).

Check all the boxes below

Yes

Obtaining personal data relevant for the candidate selection (e.g. data on professional competencies) from candidate's previous employers stated in the documentation provided by the candidate (current employer excluded):

Yes

The results of your evaluations or tests designed to measure a candidate's level of skill, knowledge, or expertise in a particular area, if any:

Yes

Processing of personal data for the purpose of statistical analysis of received applications (education, age etc.) for 24 months:

Yes

Entry of my application and submitted documentation into Cosylab’s candidate database (“talent pool”) for future job openings and contact purposes:

Yes

By submitting this form, I acknowledge that I am aware of the personal data collected and processed about me by Cosylab. I confirm that I have reviewed the Recruitment Privacy Policy of Cosylab, which is available on the Cosylab d.d. website, and understand my right to withdraw my consent, in whole or in part, at any time by submitting a written request to dpo@cosylab.com. By applying to this position and submitting my application, including my resume, cover letter, motivational letter, recommendation letters, and any other documentation demonstrating my qualifications (such as proof of education and professional experience), I hereby consent to the processing of my personal data by Cosylab for the purpose of evaluating my suitability for the relevant position.

Error - something went wrong.

Napačen e-poštni naslov ali geslo.

Thank you

Please fill in the application form and upload your English CV, motivational letter and other relevant documents.

Open positions

We’re looking for individuals with diverse knowledge and experience searching for a new opportunity to challenge themselves in a demanding and rewarding career.

Senior Software Engineer

Ljubljana, Slovenia

PLC Engineer / Project Manager

Ljubljana, Slovenia

Senior PLC Engineer (Beckhoff TwinCAT & Motion Control)

Ljubljana, Slovenia

Sign up for our newsletter

Be the first to know about releases and industry news and insights.

Valid e-mail address

Scientific

Medical

We promise we won’t spam you. Read our policy.

Thank you for subscribing!

Back