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Crypto Library SW Developer Intern

NXP Semiconductors

Bucharest part_time

Posted: March 17, 2026

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Quick Summary

Develop and test secure cryptographic libraries at NXP in Bucharest, Romania.

Job Description

Ready to join the future of innovation in Crypto & Security at NXP?

Become part of a highly talented team and dynamic team that develops and tests state-of-the art secure cryptographic libraries protected against physical and logical attacks which have applications across all different NXP domains and business lines (payment, identification, mobile, IoT, Automotive, Edge Processing, etc.).

As a Test Developer Intern in the Secure Software IP team you will implement automatic tests for the security software developed at NXP and  be involved in activities which require ensuring cross-platform support for our testing code and detailed analysis of test regressions.

You will learn about embedded software testing, how to develop automated tests on an embedded target (in C) and on a host PC (in Python/Java), how to target testing specific crypto library functionalities, how to improve and maintain a testing framework.

Your responsibilities

• Interacting with other embedded software engineers on the test implementation requirements
• Learning about test development
• Learning about cryptography and cryptographic algorithms
• Understanding how to develop code on an embedded device
• Interacting and using source management tools (such as git)
• Interacting and using our Continuous Integration environment

Your team

You will be part of highly talented team developing secure high-performance security software for next generation products in different market segments (payment, identification, mobile, IoT, Automotive, …)  

You will learn about embedded software testing, how to develop automated tests on an embedded target (in C) and on a host PC (in Python/Java), how to target testing specific crypto library functionalities, how to improve and maintain a testing framework.

You will also be involved in activities which require ensuring cross-platform support for our testing code and detailed analysis of test regressions.

Your profile

To be successful in this role you have:

• Development practice in C for embedded systems
• Practical experience with scripting development (Python or similar) 
• Knowledge of testing practices
• Debugging skills for embedded targets and low-level software
• Good English communication skills
• Good problem solving skills

Creating Secure Connections and Infrastructure for a Smarter World

NXP Semiconductors N.V. (NASDAQ: NXPI) makes products and environments safer, more sustainable, and more secure with innovative connectivity and edge processing solutions for a smarter world.

We are in the business of better. Not just better technologies, but better innovations to improve society. As the world leader in secure connectivity and processing solutions for embedded applications, NXP is solving the world’s most complex technology challenges to accelerate business innovation, enhance how we work, and advance how we live.

Ready to create a smarter world? Visit our career website and follow us on social: LinkedIn, Facebook and Twitter.

What can you expect

Contract: 1 year contract, with the possibility of part time working

Compensation: Besides a good salary, you will receive lunch vouchers, 25 vacation days, medical subscription and trainings. We also have flexible work hours and a work from home policy.

Development opportunities: We believe that a key component to growing our business is to develop our people. To enable you to grow your career at NXP, we offer online and offline learning opportunities to help you develop some of your core and professional skills.

Hiring process: Applying only takes a minute! Fill in the online application and share your CV with us. After a positive screening based on your CV you will have an initial phone or video conversation with our Talent Acquisition Consultant followed by several business interviews. Here are some useful tips to help you prepare.

And more: Life at NXP is more than work alone. We like to start our day with a free coffee and chat with a colleague and on Wednesdays we have fresh fruits for all employees. Join us at one of the many social activities that are organized by and for employees such as our Christmas parties, our employee children’s party and food fairs. Or help us give back to society by donating blood or collecting clothes and food for children in need.

What’s next

Candidates are invited to apply on our career page with the resume and motivation letter in English for one or several open jobs at the same time.

At the application stage, all candidates should have a valid visa and work permit to work in Romania.

If you’re excited about this opportunity, we kindly invite you to apply!

Please note: The successful candidate may/will be responsible for security related tasks. The assignment may/will be in scope of security certifications, therefore a conscious and reliable way of working is necessary.

More information about NXP in Romania...

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