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How to Assess and Hire Data Scientists?

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19 November, 2019

Every organization wants to leverage the power of Big Data today. No surprises there. By extension, data scientists are in great demand.

According to Indeed:

  • There are over 16,258 resumes for job seekers with data scientist experience on the platform
  • 166,339 job seekers have clicked on data scientist jobs
  • Around 8,386 data scientist jobs have received clicks

That said, data scientists are an expensive yet necessary addition for organizations who want to:

  • Implement machine learning
  • Boost their predictive power and consumer behavior
  • Build machine learning models to automatically interact with users
  • Improve strategic decision-making using hidden relationships within date

A quick Google search on how to hire data scientists returns about 23,80,00,000 results. With such voluminous information at hand, hiring the right data scientist can get overwhelming.

In this comprehensive article, we will deep-dive into understanding how to hire data scientists by utilizing top strategies, skills, job description, and leveraging skills assessment.

Let's get going.

 

So, What Can Good Data Scientists Achieve for the Organization?

The best data scientists can achieve valuable outcomes for organizations, such as:

  • Improved decision-making

By analyzing data and providing insights, data scientists can help businesses:

  • Make more informed decisions
  • Identify trends, patterns, and correlations that may not be immediately obvious
  • Understand the impact of different factors on their operations
  • Increased efficiency

Data scientists can also help in improving the overall efficiency of businesses by:

  • Streamlining the operations and improving processes
  • Identifying areas where automation can be implemented
  • Suggesting changes to workflows that can reduce bottlenecks
  • Better customer understanding

By analyzing customer data, data scientists can help organizations:

  • Understand their customers' needs, preferences, and behavior
  • Create more effective marketing campaigns
  • Develop new products or services
  • Improve customer retention
  • Improved performance tracking

Data scientists can also help businesses track their performance more accurately and effectively:

They can create:

  • They can create dashboards and visualization to monitor key metrics easily
  • Identify trends
  • Measure progress against goals
  • Enhanced security and risk management

Data scientists can also empower organizations to:

  • Protect themselves against security threats and manage risks
  • Identify vulnerabilities in systems and processes
  • Develop strategies to mitigate them

 

Looking for a hassle-free process to place the best-fit candidates in your organization? Utilize iMocha

 

Essential Skills and Qualifications Required for Data Scientists

Data science is an interdisciplinary field that combines statistical analysis, machine learning, and computer science to:

  • Extract insights and knowledge from data
  • Develop and apply algorithms as well as statistical models to large data sets
  • Communicate findings to stakeholders

Here are a few skills and qualifications required for data scientists:

Skills and Qualifications a Data Scientist Must Possess

Characteristics + Benefits

 1. Strong Programming Skills

  • Proficiency in at least one programming language, such as Python, R, or SQL
  • Ability to manipulate and clean data, develop algorithms and models, and create visualizations

 2. Statistical and Mathematical   Knowledge

  • Strong understanding of statistical concepts, such as hypothesis testing, regression analysis, and Bayesian inference
  • Knowledge of linear algebra, calculus, and probability theory

 3. Machine Learning

  • Experience with machine learning algorithms, including supervised and unsupervised learning
  • Ability to apply algorithms to solve real-world problems

 4. Data Wrangling

  • Gather, clean, and preprocess data from multiple sources, which involves data cleansing, transformation, and feature engineering

 5. Data Visualization

  • Skilled in data visualization to help communicate findings
  • Create clear, concise, and visually appealing charts, graphs, and dashboards

 6. Communication

  • Clearly communicate complex results and technical concepts to stakeholders in a simple, easy-to-digest manner
  • Collaborate with different teams, such as business and engineering, to identify and solve problems

 7. Industry and Domain Knowledge

  • Good understanding of the industry/domain they work in
  • Identify relevant data sources, create hypotheses, and use data-driven insights to drive business decisions

 8. Continuous Learning

  • Committed to continuous learning
  • Ability to keep up-to-date with the latest advancements in tools, technologies, and methods

 

What Are the Roles and Responsibilities of Data Scientists in a Company?

The role of a data scientist in an organization can vary depending on the industry and specific organization, such as:

  • Collecting and cleaning data from various sources, including databases, APIs, and web scraping, to remove errors or inconsistencies
  • Analyzing data and identifying patterns, trends, and insights using statistical and machine-learning techniques
  • Creating predictive models and making recommendations based on findings
  • Visualizing data and communicating results to stakeholders to help them make decisions based on insights
  • Collaborating with other teams, such as marketing, product development, and engineering, to drive data-driven decisions
  • Ensuring data privacy and security for the data being collected, stored, and analyzed

All in all, the primary responsibility of data scientists is to help companies make better decisions by analyzing and interpreting data.

 

How to Develop a Hiring Strategy for Data Scientists?

Tip #1: Define the Needs of the Company for a Data Scientist

1. Identify the business problems that the data scientist will help solve

Start by talking to different departments and stakeholders within the company to understand their pain points and where data can help.

2. Determine the skills and expertise required for the role

Data science is a broad field, so it's important to understand what specific areas of data science are most relevant to the company's needs. For example, a company that deals with large amounts of customer data might need someone with experience in machine learning, while a company focused on market research might need someone with experience in statistical analysis.

3. Understand the level of experience required

Depending on the complexity of the business problems the data scientist will help solve, recruiters may need someone with more experience or someone who is more junior and can be trained on the job.

4. Decide on the technical tools and software the data scientist will need to use

This includes programming languages, data analysis tools, and other software necessary for the job.

5. Analyze the soft skills required for the role

Data scientists must be able to communicate complex ideas to stakeholders, work collaboratively with other team members, and adapt to changing priorities and timelines.

6. Determine the type of education and certifications the data scientist should have

While a degree in a related field, such as computer science or statistics, is often preferred, practical experience and certifications can also be valuable.

By taking these steps, hiring managers can define the company's needs for a data scientist and find the right candidate to help drive the business forward.

 

Skills not matching your role's requirements? Create a custom assessment with iMocha and hire skill fit candidates!

 

Tip #2: Create a Job Description for a Data Scientist

This involves several key elements that should be included to attract qualified candidates, such as:

1. Job title and summary

Start with a clear and concise job title that accurately reflects the role of the data scientist within the organization. Include a position summary highlighting the key responsibilities, skills, and qualifications.

2. Job Responsibilities

Outline the specific responsibilities that the data scientist will be responsible for. This may include collecting and analyzing data, building and maintaining machine learning models, collaborating with cross-functional teams, and presenting findings to stakeholders.

3.Required skills and qualifications

List the specific skills and qualifications that the ideal candidate should possess. This may include a degree in a related field, experience with specific programming languages such as Python or R, experience with data visualization tools, and knowledge of statistical analysis techniques.

4.Preferred experience

While it's important to list the required qualifications, recruiters should include preferred experience to make the candidate stand out. This may have experience in a specific industry, working with big data or data warehousing, and experience with cloud-based platforms like AWS or Azure.

5.Culture and values

Use the job description to highlight the company's culture and values to allow candidates to understand the kind of environment they'll be working in.

6.Application instructions

Provide clear instructions on how to apply for the position, such as submitting a resume and cover letter and/or completing an online application form.

Here is a data scientist job description template to help you create a clear job description. Utilize it to find the right candidate for the job.

 

 

Tip #3: Determine the Salary Range for a Data Scientist

Determining the salary range for a data scientist depends on several factors, including experience, education, location, industry, and specific job responsibilities. Before zeroing in on the number, consider the following tips:

1. Research industry standards

Look at job postings and salary reports from reputable sources, such as Glassdoor, PayScale, and LinkedIn, to get an idea of the typical salary range.

2.Consider the level of experience

Salaries for data scientists can vary depending on their level of experience. Entry-level data scientists can expect to earn less than mid-level or senior data scientists with several years of experience.

3. Look at the education and skills required

Data scientists typically have at least a bachelor's degree in a field such as mathematics, computer science, or statistics. Advanced degrees such as a master's or Ph.D. can also impact salary ranges. In addition to education, data scientists should have experience with programming languages such as Python or R, data visualization tools, and machine learning algorithms.

4.Consider the location

The cost of living can vary greatly depending on the location. Data scientists working in large metropolitan areas or in cities with high costs of living may earn a higher salary than those working in smaller towns or rural areas.

5. Factor in the company size and industry

Salaries for data scientists can vary based on the company size and industry.

6. Determine the job responsibilities

The specific job responsibilities can impact the salary range. Data scientists responsible for leading teams, developing and implementing data-driven strategies, and managing large data sets may earn more than those focused on data analysis or reporting.

Overall, the salary range for a data scientist can range from $60,000 to over $200,000 per year, depending on the factors mentioned above. It's important to research and consider all of these factors when determining a salary range for a data scientist.

 

Tired of evaluating individuals' skills with outdated methods? Utilize iMocha to reveal strengths and weaknesses of candidates in a data-driven format.

 

How to Source Data Science Candidates?

Sourcing the right data science candidates can be challenging, but they can be acquired via multiple channels. Hiring managers can use different sourcing channels, such as job boards, social media, LinkedIn, referrals, and networking events, to reach a broad pool of candidates:

1. Job boards

Post the job on popular job boards like LinkedIn, Glassdoor, Indeed, and Monster. These allow recruiters to target candidates based on their skills, experience, location, and other criteria.

2.Social media

Use social media platforms such as LinkedIn, Twitter, and Facebook to reach out to potential candidates. LinkedIn, in particular, is a great platform to source data science talent, as it has a large community of professionals in this field.

3. Referrals

Ask current employees, industry contacts, and professional networks for referrals. Referrals are often a great source of quality candidates because they come pre-vetted by someone the recruiter can trust.

4. University career centers

Reach out to university career centers and attend job fairs to connect with recent graduates or students about to graduate. Hiring managers can also post job openings on their job boards or offer internships to attract potential candidates.

5. Data science communities and meetups

Join online data science communities and attend local meetups to connect with professionals in the field. These communities often have job boards or mailing lists where recruiters can post job openings or reach out to potential candidates directly.

6. Data science recruiting agencies

Consider working with a specialized recruiting agency that focuses on data science talent. These agencies have pre-vetted candidates and can help recruiters find the right match for the organization.

Check out these best candidate sourcing tools to enhance your recruitment process!

 

Skills and Qualifications to Look for in a Data Scientist

Technical, analytical, and communication skills of Data scientists to succeed in their roles.

Skill #1: Technical Skills

Data scientists should:

  • Be proficient in programming languages such as Python, R, and SQL.
  • Be familiar with data manipulation and visualization libraries, such as pandas, matplotlib, and ggplot
  • Have experience with machine learning and deep learning frameworks, cloud computing platforms, and big data technologies such as Hadoop and Spark

Skill #2: Analytical Thinking

Data scientists should be able to use statistical methods to:

  • Identify patterns and trends in data
  • Use hypothesis testing, regression analysis, clustering, and classification techniques
  • Gain experience in data modeling and simulation to predict future outcomes

Skill #3: Verbal and Written Communication Skills

Data scientists must be able to:

  • Communicate technical information to both technical and non-technical audiences
  • Translate complex analyses into clear and concise reports or presentation
  • Work collaboratively with other team members
  • Explain their work to non-technical stakeholders

How to Assess the Skills of Data Science Candidates?

A skills-assessing platform like iMocha can be helpful while hiring a data scientist by enabling recruiters to:

  • Objectively measure technical skills by leveraging standardized data scientist tests to evaluate a candidate's technical knowledge in statistics, machine learning, programming, and data analysis.
  • Save time and resources by automating the initial screening process and allowing recruiters to quickly and efficiently identify candidates with the right skills.
  • Reduce bias by using expert-curated tests that are designed to assess skills objectively, without any consideration of factors such as age, gender, or ethnicity.
  • Access insights on a candidate's soft skills (communication, problem-solving, etc.) in addition to the coveted technical skills.
  • Get a more comprehensive view of a candidate, including their strengths and weaknesses.

 

Did you know iMocha can help you reduce hiring time from 17 days to 7 days per role? Speak to iMocha Expert! 

 

Challenges Recruiters Might Face While Hiring Data Scientists

Hiring data scientists can be a challenging process. Recruiters may face numerous issues, such as:

  • Talent shortage
  • Rising costs
  • Talent with multi-disciplinary skills
  • Lack of standardization
  • Difficulty in assessing skills
  • Inability to find the right talent and team fit
  • Inability to keep up with technology and stay competitive

To overcome these challenges, it's essential to have a clear understanding of the company's data science needs, define the skills and experience required for the role, and develop a structured recruitment process that includes practical assessments, technical interviews, and team fit evaluations.

Building a strong employer brand and offering competitive compensation packages can help attract top data science talent.

 

Final Thoughts

Hiring the right data scientist can improve the organization's ability to drive informed decision-making and boost the understanding of the customer. Platforms such as iMocha can be useful tools for recruiters when hiring a data scientist. By providing objective measures of technical skills, reducing bias, and offering insights into a candidate's soft skills, these platforms can help recruiters make more informed and effective hiring decisions.

 

FAQs

1. How to hire data scientists?

  • Identify needs and determine specific skills and qualifications required for the position, such as programming languages, data analysis tools, machine learning techniques, and business acumen.
  • Create a detailed job description that outlines the role and responsibilities, qualifications, preferred experience, and data on company culture, benefits, and growth opportunities.
  • Post the job on relevant job boards, company websites, social media platforms, and academic institutions.
  • Screen resumes and cover letters to identify qualified candidates.
  • Conduct video interviews with qualified candidates to learn more about their skills, experience, and personality.
  • Assess technical skills, such as driving a coding challenge or a data analysis project, to evaluate their technical skills.
  • Evaluate culture fit and consider the candidate's personality, work style, and communication skills.
  • Make an offer with a competitive salary and benefits package.

2. How hard is it to hire a data scientist?

Finding and hiring a data scientist can be quite a task. The field of data science is very specialized. The difficulty level can vary depending on factors such as the skills and experience required for the role, the competition among companies to attract talent, and an organization's reputation in the industry. By understanding the necessary skills and experience and implementing an effective recruitment and selection process, recruiters can successfully identify and attract suitable candidates.

Tanvi Sharma
Tanvi Sharma
Tanvi Sharma is a Content Strategist at iMocha. A seasoned marketer and branding consultant, she likes sewing stories together to help brands find their true and unique voice. A perfection enthusiast, she believes each and every word should serve a purpose while writing. When she’s not writing for work, she is writing fan fictions and theories, and volunteering at local animal shelters.
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Topics: Tech Recruitment, Remote Hiring, Skills Assessment

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