1 of 32

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova�Software Developer at GitHub�@hharen

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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2 of 32

What you’ll hear today

Mentorship – finding mentors, preparing impactful sessions, becoming one

Pair Programming – evolving pairing as your skills grow

AI Tools – using assistants & agents to learn deeply, not just to code faster

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-04 #A371F7

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Blue-06 #1158C7

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3 of 32

👋🏼 Hi, I’m Hana

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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#0a0c10ff

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4 of 32

👋🏼 Hi, I’m Hana

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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Blue-06 #1158C7

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#0a0c10ff

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#282828

5 of 32

👋🏼 Hi, I’m Hana

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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Blue-06 #1158C7

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Green-02 #56D364

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#0a0c10ff

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6 of 32

👋🏼 Hi, I’m Hana

☕️

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-06 #6E40C9

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Blue-04 #388BFD

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#0a0c10ff

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7 of 32

👋🏼 Hi, I’m Hana

☕️

❌

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-04 #A371F7

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8 of 32

❔❔❔

My questions for you

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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9 of 32

Mentorship:

Learn Faster by Learning Together

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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10 of 32

🎯

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Blue-04 #388BFD

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11 of 32

Technical mentoring - start

Ruby/Rails to help build my first projects
Onboarding to a new codebase
Implementing specific feature
Different parts of Rails/Ruby stack

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-04 #A371F7

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12 of 32

Technical mentoring - advanced

Special topics like:

Elegant and performant code
Rails/Ruby source code
Observability and incident investigations
New language(s)
Contributing to OSS

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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13 of 32

Career mentoring

Understanding the field
Understanding the company
Reflections and feedback
Career options
Promotions
Visibility

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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14 of 32

Mentor & Mentee

Setting up sessions for success — topics, expectations, time frame
Preparing for sessions to maximize value
Understanding mentorship vs. sponsorship

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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15 of 32

How to be a good mentor

Read your notes before session
Give contained tasks/readings
Check with your mentee on the topics
Bring your insights
Be supportive

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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16 of 32

How to be a good mentee

Prepare

Do readings/tasks
Write down questions

Setup - even if just 5 minutes

Dev setup
Screens to share
Go over your notes from the last time

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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17 of 32

How to find a mentor?

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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18 of 32

Why to mentor?

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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19 of 32

You can do both!!!

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-04 #A371F7

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20 of 32

Pairing

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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21 of 32

Progression

Learn about the codebase
Start new work
Debug tricky problems
Discuss your approach
Review PRs & discuss design

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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#0a0c10ff

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22 of 32

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

Shapes

Purple-06 #6E40C9

Shapes

Blue-04 #388BFD

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Blue-06 #1158C7

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Green-02 #56D364

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White #FFFFFF

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23 of 32

AI and learning

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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24 of 32

Learning

Getting feedback fast
Focused attention (learning)
Overview and bigger picture
Understanding context
Repetition

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-04 #A371F7

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25 of 32

👩🏼‍🏫🧑🏽‍🏫🧠

Re-reading books and notes
Recalling things from memory
Mini-testing
Underlining
Multitasking
Solving different problems

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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Blue-06 #1158C7

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#0a0c10ff

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#282828

26 of 32

👩🏼‍🏫🧑🏽‍🏫🧠

Re-reading books and notes
Recalling things from memory
Mini-testing
Underlining
Multitasking
Solving different problems

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

Shapes

Purple-06 #6E40C9

Shapes

Blue-04 #388BFD

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Blue-06 #1158C7

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Green-02 #56D364

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Green-04 #2EA043

Text, Shapes

White #FFFFFF

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Gray-03 #8B949E

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Indigo-04�#797EF9

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Teal-02�#57CCC5

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Pink-06�#9E3670

Background

#0a0c10ff

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#282828

27 of 32

What tasks are good for AI to learn?

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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28 of 32

Feedback and bigger picture

Ask for a review on your code

Are there any improvements?
How to make code safer, better performant, more elegant, easier to read?

What are alternative solutions? What are advantages and disadvantages of a current approach?

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

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Purple-06 #6E40C9

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#0a0c10ff

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#282828

29 of 32

🧑🏼‍🌾👀

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

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Purple-06 #6E40C9

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Blue-04 #388BFD

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Blue-06 #1158C7

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Green-02 #56D364

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Green-04 #2EA043

Text, Shapes

White #FFFFFF

Text, Shapes

Gray-03 #8B949E

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Indigo-04�#797EF9

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Indigo-06�#464ED1

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Teal-02�#57CCC5

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Teal-04�#339D9B

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Pink-04�#DB61A2

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Pink-06�#9E3670

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#0a0c10ff

Shape outline

#282828

30 of 32

Happy mentoring, pairing, learning

🥳

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

Shapes

Purple-06 #6E40C9

Shapes

Blue-04 #388BFD

Shapes

Blue-06 #1158C7

Shapes

Green-02 #56D364

Shapes

Green-04 #2EA043

Text, Shapes

White #FFFFFF

Text, Shapes

Gray-03 #8B949E

Shapes

Indigo-04�#797EF9

Shapes

Indigo-06�#464ED1

Shapes

Teal-02�#57CCC5

Shapes

Teal-04�#339D9B

Shapes

Pink-04�#DB61A2

Shapes

Pink-06�#9E3670

Background

#0a0c10ff

Shape outline

#282828

31 of 32

What’s one thing you want to try?

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

Shapes

Purple-06 #6E40C9

Shapes

Blue-04 #388BFD

Shapes

Blue-06 #1158C7

Shapes

Green-02 #56D364

Shapes

Green-04 #2EA043

Text, Shapes

White #FFFFFF

Text, Shapes

Gray-03 #8B949E

Shapes

Indigo-04�#797EF9

Shapes

Indigo-06�#464ED1

Shapes

Teal-02�#57CCC5

Shapes

Teal-04�#339D9B

Shapes

Pink-04�#DB61A2

Shapes

Pink-06�#9E3670

Background

#0a0c10ff

Shape outline

#282828

32 of 32

Thank you! Let’s stay in touch 😊

Hana Harencarova hharen

Railshöck 2025

Level Up Your Engineering Career with Mentorship, Pairing, and AI

Hana Harencarova

Shapes

Purple-04 #A371F7

Shapes

Purple-06 #6E40C9

Shapes

Blue-04 #388BFD

Shapes

Blue-06 #1158C7

Shapes

Green-02 #56D364

Shapes

Green-04 #2EA043

Text, Shapes

White #FFFFFF

Text, Shapes

Gray-03 #8B949E

Shapes

Indigo-04�#797EF9

Shapes

Indigo-06�#464ED1

Shapes

Teal-02�#57CCC5

Shapes

Teal-04�#339D9B

Shapes

Pink-04�#DB61A2

Shapes

Pink-06�#9E3670

Background

#0a0c10ff

Shape outline

#282828