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Data Science Junior Jobs in Boston, MA (NOW HIRING)

Coaches and trains junior colleagues in techniques, processes, and responsibilities. Required ... Data Science * Data Visualization * Digital Fluency * Econometric Models * Organizing * Process ...

Data Science Job Category: Scientific/Technology All Job Posting Locations: Barcelona, Spain ... Coaches and trains junior colleagues in techniques, processes, and responsibilities. Required ...

Senior Data Scientist

Boston, MA · On-site

$130 - $175/hr

... to junior staff, and monitor performance within the team. You should also harness your mastery of Data Science to consult on various aspects of these and other projects. Responsibilities

Mentor and upskill junior staff in data science, GenAI, LLMs, prompt engineering, RAG architectures, and responsible AI practices. Who you are The ideal candidate is a strategic, hands-on data ...

Mentor and upskill junior staff in data science, GenAI, LLMs, prompt engineering, RAG architectures, and responsible AI practices. Who you are The ideal candidate is a strategic, hands-on data ...

Senior Data Science Engineer

Boston, MA · On-site

$115K - $156K/yr

Mentor junior data scientists and share modeling and engineering best practices across the team. * Clearly communicate findings and the impact of your models to stakeholders to influence product and ...

... junior team members or interns. Knowledge and Experience Education: Minimum B. Sc. Computer Science ... Expertise in data analysis, machine learning, and statistical modeling. Experience with data ...

Staff Data Scientist

Boston, MA · On-site +1

$160K - $195K/yr

Everything you would expect on a world-class data science team solving world-class problems. Big ... Strong peer leadership and ability to mentor junior DS on best practices and problem solving.

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Data Science Junior information

See Boston, MA salary details

$37.5K

$86.2K

$138.5K

How much do data science junior jobs pay per year?

As of Aug 25, 2026, the average yearly pay for data science junior in Boston, MA is $86,208.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,900.00 and $88,500.00 per year, depending on experience, location, and employer.

What is a data science junior?

A Data Science Junior is an entry-level role in data science where professionals assist in analyzing data, building models, and generating insights. They work under the guidance of senior data scientists, helping with data cleaning, visualization, and basic machine learning tasks. This role requires proficiency in programming languages like Python or R, knowledge of statistics, and familiarity with data manipulation tools. It serves as a foundation for gaining hands-on experience and advancing in the data science field.

What are the typical daily responsibilities of a data science junior?

As a Data Science Junior, your daily tasks often include cleaning and preparing data sets, conducting exploratory data analyses, and supporting the development of predictive models under the guidance of senior team members. You may also assist in visualizing data and preparing reports to help communicate insights to both technical and non-technical stakeholders. Collaboration is a key part of the role, as you'll frequently work with data engineers, analysts, and business teams to understand project goals. These responsibilities help you build foundational skills and gain exposure to a variety of real-world data problems early in your career.

What are the key skills and qualifications needed to thrive as a data science junior?

To thrive as a Data Science Junior, a strong understanding of statistics, mathematics, and data analysis is essential, often supported by a bachelor's degree in a related field. Familiarity with programming languages like Python or R, as well as tools such as SQL and visualization platforms, is typically required. Strong problem-solving abilities, effective communication, and a willingness to learn make candidates stand out in this role. These skills enable efficient data exploration, clear communication of insights, and successful collaboration on data-driven projects.

What are the most commonly searched types of Data Science jobs in Boston, MA?

The most popular types of Data Science jobs in Boston, MA are:

What job categories do people searching Data Science Junior jobs in Boston, MA look for?

The top searched job categories for Data Science Junior jobs in Boston, MA are:

What cities near Boston, MA are hiring for Data Science Junior jobs?

Cities near Boston, MA with the most Data Science Junior job openings:

Infographic showing various Data Science Junior job openings in Boston, MA as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $86,208 per year, or $41.4 per hour.

Principal Scientist Data Science

Cambridge, MA • On-site

Socket.dev
Network Security • 1 - 10 employees

$117 - $201/hr

Other

This job post has expired today. Applications are no longer accepted.


Job description

At Johnson & Johnson,we believe health is everything. Our strength in healthcare innovation empowers us to build aworld where complex diseases are prevented, treated, and cured,where treatments are smarter and less invasive, andsolutions are personal.Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity.Learn more at jnj.com

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Data Analytics & Computational Sciences

Job Sub Function:

Data Science

Job Category:

Scientific/Technology

All Job Posting Locations:

Barcelona, Spain, Cambridge, Massachusetts, United States of America, Hyderabad, Andhra Pradesh, India, Madrid, Spain, Spring House, Pennsylvania, United States of America, Titusville, New Jersey, United States of America

Job Description:

J&J Innovative Medicine – Data, Data Science, and AI - Global Development (DDSAI GD) is recruiting a Principal Scientist. The ideal candidate will leverage, adapt, and extend machine learning (ML), optimization techniques, and GenAI techniques to create computational pipelines supporting global clinical operations including enrollment forecasting, cost estimation and optimization, and country/site selection.

J&J Innovative Medicine develops treatments that improve the health of people worldwide. Research and development areas encompass oncology, cardiovascular and metabolic disorders, immunology, pulmonary hypertension, neuroscience, and infectious disease. Our goal is to help people live longer, healthier lives. We have produced and marketed many first-in-class prescription medications and are poised to serve the broad needs of the healthcare market – from patients to practitioners and from clinics to hospitals. To learn more about J&J Innovative Medicine, visit https://www.jnj.com/innovative-medicine

Key responsibilities:
  • Conceive, develop, and implement ML, multi-objective optimization, GenAI solutions to support clinical trial operations.
  • Leverage operational, RWD, and cost data to build ML predictive models and optimization engines to 1) predict outcomes of interest, 2) highlight tradeoffs between competing objectives, 3) recommend optimal operational scenarios, and 4) generate actionable insights, enabling early intervention and risk management.
  • Adapt large language models (LLMs) for tailored information extraction and to create solutions including
    • conducting comparative analytics on clinical trial protocols and trial similarity assessment,
    • clinical trial data harmonization and standardization,
    • schedule of activity optimization, and
    • eligibility criteria evaluation,
  • Stochastic enrollment simulations to forecast operational and patient journey outcomes including enrollment and study completion.
  • Clearly articulate highly technical methods and results to diverse audiences and partners to drive decision-making.
  • Coaches and trains junior colleagues in techniques, processes, and responsibilities.
Required qualifications:
  • A Ph.D. degree in a quantitative discipline (e.g., computer science, electrical and computer engineering, biostatistics, health economics, biomedical informatics, applied mathematics, or similar),
  • 5+ years of industry experience delivering on data science projects using ML predictive modeling, multi-objective optimization, natural language processing, and GenAI.
  • Hands-on experience with multi-modal ML predictive modeling and stochastic simulations for time-series forecasting.
  • Experience building multi-objective optimization engines to navigate complex trade-offs using evolutionary algorithms, reinforcement learning, or mixed-integer linear programming.
  • Experience with GenAI and clinical LLMs for document parsing and clinical concept disambiguation and harmonization.
  • Proficient in MLOps practices and tools (MLflow, Kedro); Git usage, CI/CD stacks (Jenkins, GitLab) DevOps tools.
  • Proficiency with programming languages Python and SQL,
  • Experience with python LLM tools (e.g., DSPy, LangChain), optimization tools (e.g., pymoo) and ML tools (e.g., Scikit-learn, XGBoost, Optuna, PyMc),
  • Demonstrated experience and familiarity with clinical operational data, real world data, electronic health records and claims, and financial data.
Preferred qualifications:
  • Prior experience in a data science AI/ML role in healthcare, MedTech, and pharmaceutical industries.
  • Hand-on experience utilizing clinical trial protocols, registry, cost data, CTMS, EDC and/or EHR to build ML models for estimating operational outcomes or RWE outcomes.
Required Skills: Preferred Skills:
  • Advanced Analytics
  • Coaching
  • Critical Thinking
  • Data Analysis
  • Data Privacy Standards
  • Data Quality
  • Data Reporting
  • Data Savvy
  • Data Science
  • Data Visualization
  • Digital Fluency
  • Econometric Models
  • Organizing
  • Process Improvements
  • Strategic Thinking
  • Technical Credibility
  • Workflow Analysis
The anticipated base pay range for this position is :

$117,000.00 - $201,250.00

Additional Description for Pay Transparency:
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