By Saeed Mirshekari

Jul 8, 2023

Title: Mastering Your First 90 Days: A Step-by-Step Guide to Succeed in Your Data Science Job in Industry


Congratulations on landing your first data science job in the industry! The first 90 days are crucial for establishing yourself, learning the ropes, and making a positive impact. This comprehensive guide will provide you with a step-by-step roadmap to navigate your initial days in the data science industry, ensuring a smooth transition and setting the foundation for long-term success. From understanding your role to building relationships and delivering impactful work, let's dive into the key steps that will help you thrive in your new data science job.

Section 1: Prepare for Success

1. Understand Your Role and Expectations:

Clarify your responsibilities, goals, and key performance indicators. Discuss with your manager to align expectations and gain a clear understanding of how your role contributes to the organization's objectives.

2. Ramp Up on Tools and Technologies:

Familiarize yourself with the tools and technologies used in your organization. Learn about data processing frameworks, programming languages, machine learning libraries, and any proprietary systems relevant to your role.

Section 2: Build Relationships and Learn the Landscape

1. Connect with Your Team:

Introduce yourself to team members, peers, and stakeholders. Seek opportunities to collaborate and learn from colleagues. Building relationships early on will create a supportive network and foster a positive work environment.

2. Shadow and Learn:

Observe and shadow experienced team members to understand existing processes, workflows, and best practices. Ask questions, take notes, and actively participate in team meetings to absorb knowledge and gain insights into ongoing projects.

3. Understand the Business Context:

Deepen your understanding of the industry, market, and specific domain your organization operates in. Learn about the challenges, goals, and priorities to align your data science work with the broader business objectives.

Section 3: Contribute and Deliver Impact

1. Start Small and Demonstrate Value:

Begin by taking on smaller projects or tasks that allow you to deliver tangible results. Focus on quality and attention to detail to showcase your skills and work ethic. Gradually take on more complex projects as you gain confidence.

2. Communicate and Collaborate Effectively:

Regularly update your manager and team on project progress, challenges, and achievements. Effective communication fosters transparency, builds trust, and ensures alignment with stakeholders.

3. Seek Feedback and Learn from Mistakes:

Actively seek feedback from your manager and colleagues to enhance your skills and identify areas for improvement. Learn from mistakes and approach challenges as opportunities for growth.

4. Continuously Learn and Upskill:

Data science is a rapidly evolving field. Allocate time for learning new techniques, attending workshops or webinars, and keeping up with the latest research and industry trends. Stay curious and invest in your professional development.

Section 4: Establish Long-term Growth

1. Set Personal Goals:

Define your long-term career goals in data science and work with your manager to create a development plan. Identify areas for growth, both technical and soft skills, and set targets to continually progress in your career.

2. Expand Your Network:

Attend industry conferences, meetups, and events to connect with professionals in the data science community. Engage in online forums, contribute to open-source projects, and seek mentorship opportunities to broaden your network.

3. Seek Challenging Opportunities:

Volunteer for cross-functional projects or initiatives that push your boundaries and expose you to different aspects of data science. Embrace challenges that allow you to grow and make a broader impact within the organization.


The first 90 days in your data science job are crucial for establishing a strong foundation and setting the stage for a successful career. By following this step-by-step guide, you'll be well-prepared to navigate the initial challenges, build relationships, contribute effectively, and position yourself for long-term growth. Remember to embrace continuous learning, seek feedback, and foster collaboration to thrive in your data science journey. Stay focused, adaptable, and passionate, and make the most of every opportunity that comes your way. Best of luck as you embark on this exciting new chapter in your data science career!
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About O'Fallon Labs

In O'Fallon Labs we help recent graduates and professionals to get started and thrive in their Data Science careers via 1:1 mentoring and more.

Saeed Mirshekari, PhD

Saeed is currently a Director of Data Science in Mastercard and the Founder & Director of O'Fallon Labs LLC. He is a former research scholar at LIGO team (Physics Nobel Prize of 2017). Learn more about Saeed...

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