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Jobs at Parexel

We know just how important it is to put people first. It's with that human touch that we've played a part in nearly all of the top 50 treatments on the market. And every day, we're focused on working with industry leaders to bring life-changing healthcare to patients across the globe. Whether you join our Clinical, Consulting, Biotech, Functional Service Provider (FSP), or other teams, we're doing it With Heart ™.

NLP Engineer I

Job ID R0000006368 Poland, Remote

When our values align, there's no limit to what we can achieve.

At Parexel, we all share the same goal - to improve the world's health. From clinical trials to regulatory, consulting, and market access, every clinical development solution we provide is underpinned by something special - a deep conviction in what we do.

Each of us, no matter what we do at Parexel, contributes to the development of a therapy that ultimately will benefit a patient. We take our work personally, we do it with empathy and we're committed to making a difference.

Parexel is in the business of improving the world’s health. We do this by providing a suite of biopharmaceutical services that help clients across the globe transform scientific discoveries into new treatments.  We believe in our values, Patients First, Quality, Respect, Empowerment & Accountability.

This role is to work within our Scientific Data Organization (SDO) which is a global team empowered to push boundaries of Real-World Data Innovation in service of global health.​​​​​​

As the ​NLP Engineer you will contribute to software development, research, and pilot project execution as a member of the AI Labs NLP team.

This role can be either office based in
Poland, UK, Belgium, Netherlands, Hungary, Romania, Lithuania, Serbia, Czech Republic, Croatia, Irelandandcan beoffice or fully home based in any of those countries. The offices are all open planned, and you will be working in an innovative and collaborative environment with your international peers and colleagues. 

Key Accountabilities:

Natural Language Processing (NLP) Engineering

  • Leverage proprietary NLP technology stack to build custom machine learning models

  • Collaborate with other engineers to design, implement, and document new NLP modeling techniques and strategies

  • Understand customer model and use case requirements to train and deploy custom NLP systems

  • Develop Back-end / server-side software to serve application requests, query databases, and format and deliver data

Architect and contribute code to NLP infrastructure

  • Build internal frameworks, libraries, and infrastructure to improve machine learning and NLP capabilities to allow for rapid prototyping and new product delivery

  • Review and adapt recent research in NLP and deep learning to build modeling approaches that are robust, reusable, and automatic across data sources and tasks

  • Collaborate with data scientists, engineers, clinical annotators, and product managers to identify and advance industry state-of-the-art NLP technologies, build and maintain NLP roadmap, and implement best practices

  • Create and maintain NLP infrastructure documentation to enable other NLP engineers and data scientists to utilize the stack

  • Review and improve the code of other engineers to enhance quality and security

Contribute to Product and Customer Satisfaction

  • Collaborate with Product Management to define and implement features to satisfy customer requirements

  • Partner with other engineers to maintain quality work and anticipate problems

  • Participate in sprint planning and check-in meetings to identify customer needs, potential roadblocks and solutions.


  • Educated to degree level in engineering or computer science or other relevant qualification/experience as a minimum.

  • Advanced level degree at MSc or PHD level preferred.


  • Machine Learning, Natural Language Processing (NLP), Deep Learning, building and deploying NLP systems

  • Strong CS fundamentals including data structures, algorithms, and distributed systems

  • Proficiency in statistical NLP algorithms, including graphical models, recurrent neural networks, and information retrieval techniques

  • Python, JavaScript, Jupyter Notebook, REST, scientific computing packages (numpy, scikit-learn, tensorflow)

  • Database technologies including ElasticSearch, Neo4j, and SQL

  • Excellent interpersonal, verbal and written communication skills

Knowledge and Experience:

  • Good intermediate level experience of NLP Engineering or strong Python programming / development required.

  • Strong Python coding skills are essential.

  • Previous experience with a combination of the following tools: JIRA, Confluence, Docker, Jenkins, Jupyter Notebook, Git, Github, scientific computing packages (numpy, scikit-learn, tensorflow), Sumologic, AWS S3, AWS EC2, Whitesource are desirable.

  • A flexible attitude with respect to work assignments and new learning and attending meetings required.

  • Ability to manage multiple and varied tasks with enthusiasm and be able to prioritize workload with attention to detail

  • Willingness to work in a matrix environment and to value the importance of teamwork.

In return we will be able to offer you a structured career pathway and encouragement to develop within the role including awareness and understanding of the industry.  You will be well supported and for your hard work you will be rewarded with a competitive base salary as well as a benefits package including holiday as well as other benefits that you would expect with a top company in the CRO Industry. 

Apply today to begin your Parexel journey !


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