Note (October 2026): This guide has been updated because some certifications named in the original comparison table have been retired or replaced; the current status of each is now stated, along with the latest US pay and job outlook figures.
The three main data science career paths are data analyst (explains what happened in the data), data scientist (builds statistical and machine learning models to predict outcomes), and big data architect (designs the systems that store and process data). Most entrants start with a bachelor’s degree, SQL and Python, and a portfolio of real projects.
Key Takeaways
- According to the US Bureau of Labor Statistics (BLS), data scientists earned a median $120,230 in May 2025, and their employment is projected to grow 35% from 2025 to 2035.
- The BLS lists a bachelor’s degree as the typical entry-level education for data scientists; a master’s helps but is not required for every job.
- Database architects, the BLS occupation closest to big data architect, earned a median $139,500 in May 2025.
- Several certifications often cited in older guides have changed: Microsoft has retired the Azure Data Scientist Associate, and Google’s GA4-based Google Analytics Certification replaced the Individual Qualification (GAIQ).
- Data analyst is a common entry point; many analysts later move into data science or data engineering.
Data science is one of the most popular professional fields as companies and organizations depend more and more on data to guide their choices. Data scientists are in high demand: the US Bureau of Labor Statistics (BLS) projects employment of data scientists to grow 35% from 2025 to 2035, much faster than the average for all occupations. It might be challenging to decide which career route to take, though, because there are so many different sorts of employment in data science. This guide examines three of the main data science career paths and explains how to get into each one.

Data scientist, data analyst, and big data architect are three of the most common data science career paths. A degree, course, or certificate program can build the core skills for any of these roles, but employers also look for practical projects that prove those skills. Each job is crucial in data analysis, interpretation, and management. It’s crucial to comprehend their distinctions and similarities when you decide which professional route to choose. To stay current and advance in data science, pursuing ongoing education and training is essential.
The following sections will dive into the top 3 data science career paths, discussing the required essential skills, education and training options, and career advancement opportunities. We will also explore how to get there by providing tips for landing a job in data science. Whether you’re just starting or looking to make a career change, this blog will help guide you toward a fulfilling and successful career in data analytics.
Data Scientist
A data scientist gathers, examines, and translates large, complicated data sets to derive insights and guide business choices. The work includes building data visualizations, creating predictive models, and presenting findings to stakeholders. A data scientist needs programming, statistical, and data visualization skills to be successful in this position.
Key Skills Required
A strong foundation in programming languages like Python, R, and SQL is needed to be a great data scientist. Machine learning, data modelling, and statistical analysis techniques should also be on your list.
Furthermore, data scientists must be great communicators, be adept at addressing problems, and be able to collaborate with different teams.
Education and Training Options
Most data scientists have mathematics, statistics, or computer science degrees, and the BLS lists a bachelor’s degree as the typical entry-level education for the occupation. Employers frequently prefer a master’s degree in data science or a similar discipline. Both on-campus and online data science programs are available from several universities. Online courses and boot camps are also common choices for individuals looking to acquire essential abilities rapidly.
Career Advancement Opportunities
Moving up the corporate ladder into management positions, such as director of data science or chief data officer, presents career progression options for data scientists. Alternatively, data scientists might focus on a particular industry, including healthcare, banking, or e-commerce. Additionally, attending conferences, certifications, and workshops can upskill individuals and provide new prospects for advancement in data science.
Data Analyst
Organizations that want to base decisions on sound evidence rely on data analysis. A data analyst oversees deciphering data, seeing trends, and producing reports to assist organizations in making data-driven choices. To pursue a profession as a data analyst, you need to be aware of the following.
Overview of the Role of a Data Analyst
To assist organizations in making data-driven choices, data analysts analyze data and spot patterns. They use data sets to mine insightful information that may be used to improve operations and boost profitability for enterprises. They also provide reports and visualizations that clearly explain their results to stakeholders.
Key Skills Required for a Career as a Data Analyst
You need a solid background in statistics, data analysis, and visualization technologies to be successful as a data analyst. You should feel comfortable dealing with huge data sets and possess exceptional problem-solving abilities.
Education and Training Options for Aspiring Data Analysts
Typically, you need a statistics, computer science, or mathematics degree to work as a data analyst. Some data analysts also have business or economics expertise. You might also need to finish database administration, programming, and data analysis courses.
In addition, many online training programs and certifications can help you gain the expertise required to work as a data analyst.
Career Advancement Opportunities for Data Analysts
You can advance to more advanced jobs as a data analyst as you gain experience, such as data scientist or business intelligence analyst.
Additionally, you can pursue a career in a specific niche as per your expertise, for example, finance, sports, or healthcare. Moving into a specialty usually requires continued learning in that field’s tools, data, and regulations.
Big Data Architect
Big data is a field that deals with enormous and complicated data collections that can’t be processed using conventional tools and methods. Big data architects design and implement the infrastructure needed to store, process, and analyze this data. They are responsible for ensuring data is appropriately arranged, protected, and accessible for analysis. They deal with big data technologies like Hadoop, Spark, and NoSQL databases.
Key skills required for a career as a big data architect
The key skills include a deep understanding of big data technologies and infrastructure, plus strong problem-solving and communication skills. They should also have experience with programming languages such as Java or Python and be comfortable working in a Linux environment.
Education and Training Options for big data architects
A degree in computer science, data science, or a similar discipline, as well as certifications in big data technologies like Hadoop and Spark, are among the education and training choices available to aspiring big data architects. They may also work on big data initiatives or participate in internships to obtain real-world experience.
Career Advancement Opportunities for Data Analysts
Big data architects may develop their careers by taking on increasingly complicated big data projects and assuming leadership roles like chief data officer or data architect manager.
As the need for big data architects rises, there may also be prospects for increased income and more senior jobs inside organizations.
Comparison of three data science career paths
The table below compares the three data science career paths side by side.
| Career Path | Data Scientist | Data Analyst | Big Data Architect |
| Role Overview | Analyze complex data sets to identify business insights and drive decision-making | Process, and perform statistical analyses on data to identify trends and patterns | Design and develop big data solutions and architectures to store, process, and analyze large amounts of data |
| Key Skills | Strong statistical and analytical abilities, understanding of machine learning techniques, and expertise in programming languages like Python or R | SQL, Excel, and statistical analysis software expertise, attention to detail, and effective communication abilities | Understanding of database technologies, distributed computing, large data processing frameworks like Hadoop or Spark, and cloud computing. |
| Education/Training Options | A master’s degree in data science, computer science, or a closely related discipline, and the achievement of pertinent certifications like Certified Analytics Professional (administered by INFORMS). Microsoft Certified: Azure Data Scientist Associate, often listed here, has since been retired by Microsoft. | A bachelor’s degree in statistics, data science, or a similar discipline, and the achievement of applicable certifications like the Google Analytics Individual Qualification (since replaced by Google’s GA4-based Google Analytics Certification on Skillshop) or the IBM Data Analyst Professional Certificate.
|
A bachelor’s or master’s degree in computer science, data science, or a closely related discipline, as well as the achievement of pertinent certifications such as Cloudera Certified Big Data Architect (not part of Cloudera’s current role-based catalog, which lists exams such as Cloudera Data Engineer and Cloudera Administrator) or Microsoft Certified: Azure Solutions Architect Expert (exam AZ-305), are commonly sought. |
| Career Advancement Opportunities | Senior Data Scientist, Data Science Manager, Chief Data Officer | The Senior Data Analyst, Business Intelligence Manager, Data Analytics Director | Senior Big Data Architect, Data Engineering Manager, Chief Technology Officer |
When choosing a data science job path, variables to consider may include personal interests, professional goals, employment opportunities, pay, and the need for a particular role in the industry right now. Research each path thoroughly before deciding.
How to Get There
Networking: Connect with data professionals through online forums, social media, and industry events. Attend conferences and meetups to learn about the newest data science trends and technology and to network with employers.
Find internships, freelancing, or volunteer opportunities in data science or similar industries to get experience. This might provide you with practical experience and an opportunity to create a portfolio highlighting your abilities.
Consider being educated or certified in data science or allied disciplines like statistics, computer science, or information technology. Bootcamps and online courses offer both beneficial training and skill development.
Keep Learning: Because data science is continuously changing, it’s essential to keep up with the newest developments in the industry. To keep your skills current and applicable, join professional organizations and attend workshops and training sessions.
Remember that data science success needs commitment, effort, and ongoing learning. You may put yourself in a position for a lucrative career in this intriguing profession by networking, acquiring experience, pursuing education, and receiving training.
Conclusion
Data science is a fast-expanding area with many intriguing employment options. Data scientist, data analyst, and big data architect are three of the main data science career paths, and each one calls for a particular set of knowledge, credentials, and experience.
All three roles require strong analytical and problem-solving skills and competency with programming languages and data tools. They differ in focus: analysts explain what happened, data scientists model what is likely to happen, and architects build the systems that hold the data.
Considering your abilities, hobbies, and long-term job objectives is critical when deciding on a data science career path. A job in data science needs networking, experience-based learning, and ongoing education and training to remain abreast of technological advancements and market trends.
It’s never been a better time to start looking at career options in data science, given the growing need for qualified individuals. There are several chances available to you, regardless of whether you decide to pursue a career as a data scientist, data analyst, or big data architect. A practical first step is to pick one path, learn its core tools, and build one portfolio project that shows those skills.
How Much Do Data Science Roles Pay?
Data science pay in the United States is high, according to the BLS Occupational Outlook Handbook. The figures below are the newest BLS figures available as of October 2026 (May 2025 pay data and 2025-2035 projections).
| BLS occupation | Median pay (May 2025) | Jobs (2025) | Projected growth, 2025-2035 |
|---|---|---|---|
| Data scientists | $120,230 per year | 275,600 | 35% (much faster than average) |
| Database architects | $139,500 per year | 144,500 (database administrators and architects combined) | 4% for the combined group (as fast as average) |
| Database administrators | $104,620 per year | Included above | Included above |
The BLS projects about 24,800 openings for data scientists each year, on average, over the 2025-2035 decade. Data analyst is not a single occupation in these BLS tables, so analyst pay varies widely by job title and industry; see the guide on how much a data analyst makes for more detail.
Which Certifications Are Still Current?
Certification names change often, so check each credential’s official page before paying for an exam. As of October 2026, the status of the credentials mentioned in this guide is:
| Certification | Best fit | Status (October 2026) |
|---|---|---|
| Certified Analytics Professional (CAP) | Data scientist, analyst | Active; vendor-neutral, administered by INFORMS (an aCAP credential also exists) |
| Microsoft Certified: Azure Data Scientist Associate (DP-100) | Data scientist | Retired, together with its renewal assessment, according to Microsoft Learn |
| Google Analytics Certification | Data analyst (web and marketing) | Active on Google Skillshop; replaced the older Google Analytics Individual Qualification |
| IBM Data Analyst Professional Certificate | Data analyst | Active on Coursera; 11 courses, about 4 months at 10 hours a week |
| Microsoft Certified: Azure Solutions Architect Expert (AZ-305) | Big data architect | Active; requires the Azure Administrator Associate certification first |
| Cloudera role-based certifications | Big data architect, data engineer | Current catalog includes Cloudera Data Engineer, Data Analyst, Administrator, and Machine Learning Engineer; no Big Data Architect title is listed |
How Do You Start a Career in Data Science?
Most people enter data science through a sequence of skills and projects rather than a single credential. A practical route looks like this:
- Learn SQL and spreadsheets first. Querying and cleaning data is the daily work of most entry-level analyst roles.
- Add Python or R. Python is the more common choice for machine learning; see why Python is used for AI and machine learning.
- Study statistics. Probability, hypothesis testing, and regression underpin both analysis and modeling.
- Build two or three portfolio projects on public datasets, each with a clear question, method, and result.
- Choose a path. Analysts focus on reporting and dashboards, data scientists on models, and architects on cloud and distributed systems.
- Apply for entry roles such as data analyst or junior data engineer, and tailor your resume to each job; the guide to writing an IT resume covers the format.
Which Data Science Career Path Is Right for You?
- Data analyst suits people who like answering business questions, building reports, and explaining results to non-technical teams.
- Data scientist suits people who enjoy statistics, experimentation, and building predictive or machine learning models. The article on key data scientist competencies covers the skills in more depth.
- Big data architect suits people who prefer engineering, cloud platforms, and system design over analysis. It is usually a senior role reached after experience as a data engineer or database professional; see big data careers for related roles.
Frequently Asked Questions
Do you need a master’s degree to become a data scientist?
No. The BLS lists a bachelor’s degree as the typical entry-level education for data scientists. A master’s degree in data science, statistics, or computer science can help for research-heavy or senior roles, but many employers hire on skills and portfolio work.
Is data science still a growing field?
Yes. The BLS projects employment of data scientists to grow 35% from 2025 to 2035, much faster than the average for all occupations, with about 24,800 openings a year on average.
What is the difference between a data analyst and a data scientist?
A data analyst mainly describes and reports on existing data, using tools such as SQL, Excel, and dashboards. A data scientist goes further, building statistical and machine learning models to predict outcomes or automate decisions.
How much does a data scientist earn?
According to the BLS, the median annual pay for data scientists in the United States was $120,230 in May 2025. Pay varies by location, industry, and experience.
Is the Azure Data Scientist Associate certification still available?
No. Microsoft Learn states that the Microsoft Certified: Azure Data Scientist Associate certification and its renewal assessment are retired, so check Microsoft’s current credential list before studying for it.
Justwebworld has published guides since 2012. How we write and update articles Report an error