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Senior Machine Learning Engineer

Chicago, Illinois, USA

Senior Machine Learning Engineers at Thoughtworks build, maintain and test the architecture and infrastructure for managing machine learning applications. They are involved in supporting and contributing to the design of the end-to-end applications and products. They are responsible for building core capabilities including technical and functional machine learning systems and applications, being the anchor for functional streams of work and are accountable for timely delivery.

As a senior machine learning engineer, you will work on the latest tools, frameworks and offerings while also being involved in enabling credible and collaborative problem solving to execute on a strategy.

Job responsibilities

  • You will contribute to design and drive the development of robust scalable architectures and infrastructure for deploying and managing machine learning (ML) applications, ensuring high availability, performance and security.
  • You will collaborate with data scientists and engineers to translate business needs into effective and efficient ML systems and applications.
  • You will own the development and maintenance of core functionalities within ML applications, including ML pipelines, model training and deployment, and monitoring and evaluation.
  • You will drive the functional stream of work by providing technical expertise, handling team discussions and ensuring timely delivery of assigned tasks.
  • You will stay ahead of the curve by actively exploring and implementing the latest tools, frameworks and offerings in the ML landscape.
  • You will facilitate collaborative problem solving within the team by actively listening, communicating effectively and mentoring other engineers.
  • You will contribute to the development and execution of the team's overall ML strategy, aligning technical capabilities with business objectives.
  • You will proactively identify and address challenges related to ML systems and applications, proposing solutions and implementing improvements.

Job qualifications

Technical Skills

  • You have experience in writing clean, maintainable and testable code, demonstrating attention to refactoring and readability of the code.
  • You are proficient in scripting languages such as Python or Shell for automation and task streamlining.
  • You have knowledge of distributed systems and scalable architectures to handle large-scale ML applications.
  • You have experience with building, deploying, and maintaining ML systems using relevant ML techniques and platforms, i.e.: Scikit-learn, Tensorflow, MLFlow, Kubeflow, Pytorch.
  • You have experience with building, deploying and maintaining ML systems and experience with application of MLOps principles and CI/CD to ML.
  • You have experience in machine learning engineering and data science, are familiar with key ML concepts, algorithms and frameworks, and understand ML model lifecycles.
  • You have experience with designing and operating the infrastructure required to run different types of ML training and serving workloads, i.e.: on-premise vs. cloud infrastructure, infrastructure as code, monitoring, etc.
  • You have hands-on experience with on-premise and cloud services for building and deploying ML pipelines, i.e.: Azure, AWS, GCP or Databricks and associated ML managed services.
  • Experience with GenAI/LLM, Prompt Engineering, AI Agents, Foundation Models, MLOps/Deployment (including CI/CD, Docker, Kubernetes, and model monitoring), Big Data Processing frameworks (Spark, PySpark).

Professional Skills

  • You understand the importance of stakeholder management and can easily liaise between clients and other key stakeholders throughout projects, ensuring buy-in and gaining trust along the way.
  • You are resilient in ambiguous situations and can adapt your role to approach challenges from multiple perspectives.
  • You don’t shy away from risks or conflicts, instead you take them on and skillfully manage them.
  • You are eager to coach, mentor and motivate others and you aspire to influence teammates to take positive action and accountability for their work.
  • You enjoy influencing others and always advocate for technical excellence while being open to change when needed.

Other things to know

Learning & Development

There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.

Extra important information

EEO Statement

  • Thoughtworks is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, ancestry, veteran status, or any other protected class.

    As a federal contractor, Thoughtworks is an affirmative action employer of protected veterans and individuals with disabilities.

Accommodations

  • Thoughtworks is committed to providing reasonable accommodations to applicants with disabilities and to applicants with sincerely held religious beliefs throughout the hiring process. If you need an accommodation to apply or participate in the interview process, please complete this form or speak with your recruiter.

US - Work Authorization

  • Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment in the United States.

Responsible Use of AI in Recruitment

At Thoughtworks, we use AI tools to support our recruitment team with administrative tasks such as drafting communications, scheduling interviews and writing job descriptions.

Crucially, our AI tools do not screen, assess, rank or make hiring decisions. Every application is reviewed by our team and all selection decisions are made exclusively by our interviewers and hiring managers.

We are committed to fairness and responsible AI. We actively manage our AI systems by testing, monitoring for biased outcomes and implementing mitigation measures. We hold our third-party vendors to these same high standards through a rigorous governance process. For additional information, please see our full Thoughtworks AI Policy for Recruitment.

Job Details

Country: USA
Location: Chicago, Illinois
Date Posted: 03-19-2026
Industry: Information Technology
Employment Type: Regular

About Thoughtworks

Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we’re pushing boundaries through our purposeful and impactful work. For 30+ years, we’ve delivered extraordinary impact together with our clients by helping them solve complex business problems with technology as the differentiator. Bring your brilliant expertise and commitment for continuous learning to Thoughtworks. Together, let’s be extraordinary.

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Salary

Benefits: https://www.thoughtworks.com/en-us/careers/benefits

The annual salary range posted is subject to many factors and may vary depending on experience, geographic location, job responsibilities, performance, skills and/or training.

Salary
$130,000$215,000 USD

Thanks for your interest in joining Thoughtworks. A member of our Recruiting team will review your application as soon as possible. 

 

In the meantime, check out our Consultant Life page to learn more about the extraordinary impact Thoughtworkers make on clients, the tech industry and each other. 

 

Please note that we value privacy: all information submitted to us via your online application will be kept confidential to Thoughtworks. 

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