How to Write a Machine Learning Cover Letter (With Example)

Learn effective strategies to create a cover letter tailored for machine learning roles. This guide offers essential tips and a practical example to help you communicate your skills and enthusiasm, making a strong impression on potential employers.

Writing a good cover letter is a key part of getting a job in machine learning. A cover letter is your chance to show why you're the right person for the job. It's where you can talk about your skills, experience, and why you want to work in machine learning.

For machine learning jobs, your cover letter needs to be special. It should show that you know about machine learning and can use it to solve problems. You need to talk about your tech skills, but also how you can work well with others and explain complex ideas simply.

A strong machine learning cover letter can help you stand out from other people who want the job. It can show that you're not just good at math and coding, but that you also understand how machine learning can help businesses.

In this article, we'll look at how to write a great cover letter for a machine learning job. We'll talk about what to include, how to structure it, and give you an example to help you get started. Whether you're new to machine learning or have been working in it for years, this guide will help you write a cover letter that gets noticed.

Machine Learning Cover Letter Example

Vernon Obrien
(395) 595-9566
Holly Crawford
Hiring Manager

Dear Holly Crawford,

I am writing to express my strong interest in the Machine Learning position at Google. As an experienced professional in the field of artificial intelligence and data science, I am excited about the opportunity to contribute to Google's cutting-edge projects and innovative technologies.

With a deep passion for machine learning and a proven track record of developing and implementing advanced AI models, I believe I would be a valuable asset to your team. My expertise spans various areas of machine learning, including deep learning, natural language processing, and computer vision, which aligns perfectly with Google's diverse range of products and services.

Throughout my career, I have successfully led and contributed to numerous machine learning projects, consistently delivering results that have driven business growth and improved user experiences. I am particularly drawn to Google's commitment to pushing the boundaries of what's possible in AI and its focus on creating technologies that positively impact people's lives.

My technical skills include proficiency in Python, TensorFlow, PyTorch, and other relevant tools and frameworks. I also possess strong analytical and problem-solving abilities, which are crucial for tackling complex challenges in the ever-evolving field of machine learning.

What sets me apart is my ability to bridge the gap between technical concepts and practical applications, effectively communicating complex ideas to both technical and non-technical stakeholders. This skill has been instrumental in fostering collaboration across teams and driving successful project outcomes.

I am impressed by Google's culture of innovation and its emphasis on continuous learning. I am eager to contribute my expertise while also growing professionally in an environment that encourages creativity and pushes the boundaries of technology.

Thank you for considering my application. I am excited about the possibility of joining the exceptional team at Google and contributing to groundbreaking advancements in machine learning. I look forward to the opportunity to discuss how my skills and experience align with your team's needs.


Vernon Obrien

How to Write & Format a Cover Letter Header

The header of your machine learning cover letter sets the tone for the entire document and provides essential contact information. This crucial component ensures that hiring managers can easily reach you and creates a professional first impression.

Contact Information

Begin your header with your full name, followed by your current address, phone number, and professional email address. If applicable, include links to your LinkedIn profile or personal website showcasing your machine learning projects.

Date and Recipient Details

Below your contact information, add the current date. Then, include the recipient's name, job title, company name, and address. If you don't have the specific recipient's name, use a general title like "Hiring Manager" or "Machine Learning Team Lead."

Subject Line

Consider adding a clear and concise subject line that mentions the specific position you're applying for. This helps the reader quickly identify the purpose of your letter, especially if they're reviewing multiple applications.

By crafting a well-organized and informative header, you demonstrate attention to detail and professionalism – qualities highly valued in the machine learning field. This section sets the stage for the rest of your cover letter, allowing you to make a strong first impression before diving into your qualifications and experiences.

Vernon Obrien
(395) 595-9566
Holly Crawford
Hiring Manager

Greeting Your Potential Employer

After crafting a professional header for your machine learning cover letter, the next crucial element is the greeting. This seemingly small detail can set the tone for your entire letter and make a lasting first impression.

Research the recipient

Whenever possible, address your letter to a specific person. Take the time to research the company and identify the hiring manager or relevant team leader. LinkedIn and the company's website can be valuable resources for this information.

Use a professional salutation

If you know the recipient's name, use "Dear [Mr./Ms./Dr.] [Last Name]:" For example, "Dear Ms. Johnson:" If you're unsure about the recipient's gender or preferred title, it's acceptable to use their full name: "Dear Alex Johnson:"

When the recipient is unknown

In cases where you can't find a specific name, opt for a general but professional greeting. Some options include:

  • "Dear Hiring Manager:"
  • "Dear [Company Name] Recruitment Team:"
  • "Dear Machine Learning Team:"

Avoid outdated or overly casual greetings

Steer clear of outdated phrases like "To Whom It May Concern" or overly casual greetings like "Hey there!" These can make your letter appear impersonal or unprofessional.

Double-check for accuracy

Before sending your letter, double-check the spelling of the recipient's name and their title. A small error here can undermine your attention to detail and professionalism.

By crafting a thoughtful and appropriate greeting, you set a positive tone for the rest of your machine learning cover letter, demonstrating your professionalism and attention to detail from the very beginning.

Introducing Yourself in a Cover Letter

The introduction of your machine learning cover letter is your chance to make a strong first impression and grab the reader's attention. This crucial section sets the tone for the rest of your letter and should immediately convey your enthusiasm for the position and your qualifications.

Begin by stating the specific position you're applying for and how you learned about it. This shows that you've done your research and are genuinely interested in the role. Next, briefly mention your most relevant qualifications or achievements that align with the job requirements. This could include your educational background, certifications, or notable projects in machine learning.

Consider highlighting a key accomplishment or skill that sets you apart from other candidates. For example, you might mention a successful machine learning project you've completed or a specific algorithm you've worked with that's relevant to the company's needs.

Finally, express your enthusiasm for the opportunity and the company. Demonstrate that you've researched the organization by mentioning a specific aspect of their work or culture that resonates with you. This personal touch shows your genuine interest and helps create a connection with the reader.

Remember to keep your introduction concise and impactful, aiming for about 3-4 sentences. Your goal is to entice the reader to continue reading and learn more about your qualifications in the body of the letter.

Strong Example

Dear Hiring Manager,

As a passionate machine learning engineer with 5+ years of experience in developing cutting-edge AI solutions, I was thrilled to come across the Senior Machine Learning Engineer position at TechInnovate AI. Your company's commitment to pushing the boundaries of artificial intelligence aligns perfectly with my career goals and expertise. Having successfully led projects that increased model accuracy by 30% and reduced inference time by 40% at my current role with AI Solutions Inc., I am eager to bring my skills in deep learning, natural language processing, and computer vision to contribute to TechInnovate AI's groundbreaking work in autonomous systems.

Why is this a strong example?

This is a strong cover letter introduction for several reasons. First, it immediately establishes the candidate's relevant experience and passion for the field. The specific mention of '5+ years of experience' quickly communicates their level of expertise. Second, it demonstrates knowledge of the company by mentioning TechInnovate AI's focus on pushing AI boundaries, showing the candidate has done their research. Third, it includes concrete, quantifiable achievements (30% increase in model accuracy, 40% reduction in inference time) which immediately showcase the candidate's value. Finally, it specifies relevant skills (deep learning, NLP, computer vision) that match the job requirements and expresses enthusiasm for contributing to the company's specific work area (autonomous systems). This introduction is concise yet informative, tailored to the position, and likely to capture the reader's attention.

Weak Example

Dear Sir/Madam,

I am writing to apply for the Machine Learning position at your company. I have a degree in Computer Science and have always been interested in AI. I think I would be a good fit for this role because I am a hard worker and quick learner.

Thank you for your time and consideration.

Why is this a weak example?

This is a weak cover letter introduction for several reasons. First, it uses a generic salutation instead of addressing a specific person, which shows a lack of research and personalization. Second, it fails to demonstrate specific knowledge about the company or the role. Third, it lacks enthusiasm and fails to grab the reader's attention. The candidate's qualifications are presented vaguely, without mentioning any specific skills, projects, or experiences related to machine learning. The statement about being a 'hard worker and quick learner' is generic and doesn't distinguish the candidate from others. Overall, this introduction fails to make a compelling case for why the candidate is uniquely suited for the position and doesn't give the hiring manager a reason to continue reading.

Writing the Body of Your Cover Letter

The body of your machine learning cover letter is where you can showcase your skills, experiences, and achievements in more detail. This section should demonstrate your expertise in machine learning and highlight how your qualifications align with the job requirements.

Begin by discussing your relevant educational background, such as degrees in computer science, data science, or a related field. Mention any specialized coursework or projects related to machine learning, deep learning, or artificial intelligence.

Next, highlight your professional experience in machine learning roles. Focus on specific projects or initiatives where you applied machine learning techniques to solve real-world problems. Quantify your achievements whenever possible, such as improvements in model accuracy or efficiency gains.

Discuss your technical skills, including programming languages (e.g., Python, R), machine learning frameworks (e.g., TensorFlow, PyTorch), and data manipulation tools. Mention any experience with cloud platforms or big data technologies that are relevant to the position.

Emphasize your ability to collaborate with cross-functional teams and communicate complex technical concepts to non-technical stakeholders. This demonstrates your value as a team player and your potential to contribute beyond just coding.

Finally, express your enthusiasm for the company and the specific role. Mention any recent company developments or projects that excite you and explain how your skills and experience can contribute to their success.

Remember to tailor the body of your cover letter to the specific job description and company, focusing on the skills and experiences that are most relevant to the position you're applying for.

Strong Example

As a dedicated machine learning engineer with over 5 years of experience, I am excited to apply for the Senior Machine Learning Engineer position at TechInnovate AI. My passion for developing cutting-edge AI solutions aligns perfectly with your company's mission to revolutionize the healthcare industry through advanced machine learning applications.

In my current role at DataDrive Solutions, I have successfully led a team in developing and deploying a state-of-the-art natural language processing model that improved patient diagnosis accuracy by 27%. This project not only showcased my technical expertise in deep learning and NLP but also highlighted my ability to translate complex algorithms into real-world applications that make a tangible impact.

I am particularly impressed by TechInnovate AI's recent breakthroughs in predictive analytics for early disease detection. Your commitment to pushing the boundaries of what's possible in AI-driven healthcare resonates strongly with my professional goals. I am confident that my experience in implementing scalable machine learning pipelines and my proficiency in Python, TensorFlow, and cloud computing platforms would allow me to contribute significantly to your ongoing projects and future innovations.

I am eager to bring my blend of technical skills, leadership experience, and passion for AI in healthcare to TechInnovate AI. I look forward to the opportunity to discuss how my background and enthusiasm can contribute to your team's continued success.

Why is this a strong example?

This is a strong example of a cover letter body for a Machine Learning position because it effectively demonstrates the candidate's qualifications, experience, and enthusiasm for the role. The content is tailored specifically to the company and position, showing that the applicant has done their research. It highlights relevant achievements, such as improving patient diagnosis accuracy, which directly relates to the company's focus on healthcare AI. The letter also showcases technical skills and experience with specific tools and frameworks. Additionally, it expresses genuine interest in the company's work and mission, making a clear connection between the applicant's goals and the company's objectives. The language is professional yet engaging, and the structure flows logically, making it easy for the reader to follow and understand the candidate's value proposition.

Weak Example

I am writing to apply for the Machine Learning Engineer position at your company. I have a degree in Computer Science and I know Python. I think I would be a good fit for this role because I am passionate about AI and machine learning. I have done some online courses in machine learning and I find it fascinating. I am a hard worker and I learn quickly. Please consider me for this position.

Why is this a weak example?

This is a weak example for several reasons. First, it lacks specificity and fails to demonstrate deep knowledge of machine learning. The applicant only mentions having a degree and knowing Python, which are very basic qualifications for an ML role. There's no mention of specific ML techniques, frameworks, or projects. Second, the language is generic and doesn't show enthusiasm or unique value. Phrases like 'I think I would be a good fit' and 'I am passionate about AI' are overused and don't stand out. Third, the applicant doesn't provide any concrete examples of their work or skills in machine learning. Mentioning 'online courses' without specifics is not compelling. Lastly, the closing is weak and doesn't confidently assert why the company should hire them. A strong ML cover letter should showcase specific ML skills, projects, and how the applicant's expertise aligns with the company's needs.

How to Close Your Cover Letter

As you conclude your machine learning cover letter, it's crucial to leave a lasting impression and clearly express your enthusiasm for the position. The closing section provides an opportunity to reiterate your interest, thank the reader for their time, and prompt them to take action.

Summarize Your Value

Briefly restate why you're an excellent fit for the role, emphasizing your key qualifications and passion for machine learning.

Express Gratitude

Thank the reader for considering your application and reviewing your materials. This shows professionalism and courtesy.

Call to Action

Politely request an interview or further discussion about the position. Indicate your availability and willingness to provide additional information if needed.


Use a professional closing, such as "Sincerely" or "Best regards," followed by your full name.

Contact Information

Include your phone number and email address below your name, even if they're already in the header. This makes it easy for the employer to reach you.

Remember to keep your closing concise yet impactful. A strong finish can reinforce your candidacy and encourage the hiring manager to take the next step in the recruitment process.

Strong Example

Thank you for considering my application. I am excited about the opportunity to contribute to [Company Name]'s innovative machine learning projects and help drive the future of AI technology. I look forward to the possibility of discussing how my skills and passion for machine learning can benefit your team. Please feel free to contact me at your convenience to arrange an interview.

Why is this a strong example?

This is a strong closing for several reasons. First, it expresses gratitude for the reader's consideration, which is polite and professional. It then demonstrates enthusiasm for the specific company and role, mentioning 'innovative machine learning projects' and 'the future of AI technology', showing that the applicant has done research on the company. The closing also confidently states the applicant's ability to contribute, which showcases self-assurance without being arrogant. Furthermore, it includes a call-to-action by inviting the reader to arrange an interview, which is proactive and shows initiative. The language is clear, concise, and tailored to a machine learning position, making it highly relevant and effective.

Weak Example

Thanks for your time. I hope to hear from you soon. Have a nice day!

Why is this a weak example?

This closing is weak for a Machine Learning cover letter for several reasons. First, it's generic and could be used for any job application, showing no specific enthusiasm for the ML position or company. It lacks a call to action or any reference to next steps in the hiring process. The tone is overly casual and doesn't reinforce the applicant's qualifications or interest in the role. Additionally, it misses an opportunity to reiterate key skills or express eagerness to contribute to the company's ML projects. A stronger closing would demonstrate professionalism, excitement for the specific role, and a clear desire to move forward in the application process.

Cover Letter FAQs for Machine Learning


What is the ideal format and length for a machine learning cover letter?


A machine learning cover letter should typically be one page long, consisting of 3-4 paragraphs. Start with a header containing your contact information, followed by the date and the employer's details. Begin with a strong opening paragraph, elaborate on your relevant skills and experiences in 1-2 body paragraphs, and conclude with a call to action. Use a professional font like Arial or Calibri, 11-12 point size, with 1-inch margins.


What key skills should I highlight in a machine learning cover letter?


In a machine learning cover letter, emphasize skills such as proficiency in programming languages (Python, R, Java), experience with machine learning frameworks and libraries (TensorFlow, PyTorch, scikit-learn), knowledge of statistical analysis and mathematical concepts, data preprocessing and feature engineering abilities, and familiarity with big data technologies. Also highlight soft skills like problem-solving, critical thinking, and effective communication.


How can I showcase my machine learning projects in a cover letter?


To showcase your machine learning projects, briefly mention 1-2 relevant projects in your cover letter. Describe the problem you solved, the techniques you used, and the impact of your solution. Quantify results if possible (e.g., improved accuracy by 15%). Keep descriptions concise and relevant to the job you're applying for. Include a link to your portfolio or GitHub repository for more detailed information.


Should I customize my machine learning cover letter for each application?


Yes, it's crucial to customize your machine learning cover letter for each application. Research the company and the specific role, and tailor your letter to highlight skills and experiences most relevant to their needs. Reference the company's projects, values, or recent developments to show genuine interest. This personalization demonstrates your enthusiasm and helps you stand out from other applicants.


How technical should my machine learning cover letter be?


Your machine learning cover letter should strike a balance between technical and accessible language. Demonstrate your expertise by mentioning specific technologies, algorithms, or methodologies relevant to the role, but avoid overwhelming the reader with jargon. Focus on how your technical skills have led to tangible results or solved real-world problems. Remember that your cover letter might be read by both technical and non-technical staff, so aim for clarity and impact.