Now taking tutoring students, online

Learn to code,
one-on-one.

Computer science tutoring and technical interview prep, from a software engineer who has built and shipped real products.

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Judson helping a student work through code on a laptop
Judson Dunne

Hey, I'm Judson.CS student, engineer, founder

  • Senior in Computer Science, Lafayette College
  • Hanover High School alumnus
  • Built Locava to 10,000+ users
  • Agent Solutions Engineer at Bland.ai, starting June 2027
  • Harvard's CS50 and Dartmouth COSC 52 in high school
  • Shipped on iOS, Android and web

Who I help

Parents of first-time coders, college students in a hard CS course, and candidates getting ready for engineering interviews. Same teacher, different plan.

WHAT A SESSION LOOKS LIKE

How a session works

We meet online and work on whatever you need help with, whether that's a class, a project or a concept you want to learn. I explain it, you try it, and we keep going until it makes sense.

1 on 1
just you and me
60 min
live and online
$55
per session
Book a Free Intro Call
Judson and other students working on laptops at Insight Lab
A small robot built on a wheeled chassisA laptop open to code in a green fieldPARENTS · HIGH SCHOOL · BEGINNERSLearning to codePython and JavaScript from the first line, at your student's pace. They leave each session able to do something new on their own.See how beginners start
Markle Hall at Lafayette CollegeJudson and his team working on laptops around a tableCOLLEGE COMPUTER SCIENCEGetting through CSData structures, algorithms, systems or a class that's moving too fast. Browse real Lafayette courses, or send me your syllabus from any school.See the course guide
Code across two monitors at nightENGINEERING CANDIDATESPreparing for interviewsA plan across ten DSA areas, with live problem solving, mock interviews and behavioral practice.See the prep plan
trybase.app
The home page of base., an app Judson built
WEBSITES · APPS · PORTFOLIOSBuilding real softwareA tutorial shows you the path someone else took. We'll get your own project running, deployed and yours to change.See project mentorship
Judson Dunne speaking on stage in front of the Locava pitch deck

Hi, I'm Judson.

A computer science senior at Lafayette College and a working software engineer.

I grew up on a farm in Vermont and went to Hanover High School, where Harvard's CS50 hooked me and a Dartmouth professor let me into his full-stack course at seventeen. I built Locava to more than 10,000 users and led its engineering. My interview preparation helped me secure a job as an Agent Solutions Engineer at Bland.ai, which I start in June 2027.

So I teach from both sides: how the course material works, and how it shows up in software people use. My goal is for you to understand it well enough to solve the next problem without me.

  • Lafayette CollegeB.S. Computer Science, seniorGraduating May 2027
  • Hanover High SchoolAlumnusCS50 in junior year
  • LocavaFounder and lead engineer10,000+ users
  • Bland.aiAgent Solutions EngineerStarting June 2027
LinkedInGitHubPortfolioMore about me

Simple pricing
built for what you need.

Book one session at a time, or choose a package if you want a structured plan.

Pick a time

Book a free 15-minute intro call on my calendar.

Find your starting point

On the call, we talk through where you are and what you want to achieve.

Work through it together

Live one-on-one sessions on the concepts and problems you care about.

Leave with next steps

You'll know what to practice next, and parents can get a short summary.

Start hereLive and online

One-on-One Tutoring

Flexible help with whatever you're working on right now.

High school and college students, beginners, and anyone stuck on a specific concept.

$55

/ 60-minute session

A personalized one-hour session

Help with your actual goals

Guided explanations and practice

A short recommended next step

You leave understanding the concept well enough to use it on your own.

Book a sessionOr start with a free intro call
Great for beginners

From your first line of code to your first small project.

Coding Foundations

Parents of beginners, and students learning to code for the first time.

$200

/ four 60-minute sessions

A starting-point conversation

Four live sessions

Small practice exercises

One guided mini-project

A short progress summary

Recommendations for what to learn next

The sessions adapt to your student's age and level.

Book Coding Foundations

DSA Interview Accelerator

Focused practice on the patterns you need most. Candidates who need targeted help.

$375

/ five 60-minute sessions

Initial skill assessment

Personalized prep plan

Guided DSA practice

Curated problems between sessions

Practice explaining your solutions

Final mock interview

Feedback on what to improve

We find your weakest areas and practice the ones that matter most.

Start with the Accelerator

Complete Technical Interview Prep

A structured path through the foundations of technical interviews. Candidates who want to prepare across the major patterns.

$700

/ ten 60-minute sessions

Initial diagnostic

Personalized study roadmap

Ten live sessions

Coverage across the major DSA patterns

Curated practice problems

Between-session exercises

Complexity analysis

Interview communication practice

Two mock interviews within the ten sessions

Final strengths and weaknesses assessment

An independent practice plan

Guided practice and feedback across all the core interview topics.

Start Complete Prep

All prices are for live online sessions. I send payment details after your intro call. Session policies.

Stuck in a CS course? Find yours.

I'm a senior in Lafayette's CS major, so I know how fast these move. There's a guide to every course, with what usually trips people up. Comparable courses elsewhere work the same way, so send me your syllabus.

See the Lafayette course guideSend a syllabus

For parents

Coding lessons shaped around your kid.

Your student writes real code in the first session. We start with Python or JavaScript, then build toward a small project of their own.

  • What they learn. Programming fundamentals, how to break down a problem and how to get unstuck without being handed the answer.

  • How sessions work. Sixty minutes, live and online, one-on-one. I explain, they try, and we keep going until they can do it alone.

  • How it's personalized. We start from where they are and use what they care about. You can get a short summary after sessions.

Book a call about your studentHanover families
A small robot built on a wheeled chassis, the kind of first project students get excited about

Interview prep with a real structure.

I went through this myself and secured an engineering role at Bland.ai. Now I teach the plan: ten areas in an order that builds, plus mock interviews and practice explaining yourself out loud.

  1. 01 Arrays & Strings
  2. 02 Hash Maps & Sets
  3. 03 Two Pointers & Sliding Window
  4. 04 Stacks & Queues
  5. 05 Binary Search
  6. 06 Linked Lists
  7. 07 Trees & Binary Search Trees
  8. 08 Heaps & Priority Queues
  9. 09 Graphs & Traversal
  10. 10 Recursion, Backtracking & Dynamic Programming
Explore interview prepRead the checklist

Real things I've built

Everything I teach shows up in these. When we work on graphs or APIs, I can show you where they run in real software.

SOCIAL PLATFORM · iOS & ANDROID

Locava

Locava helps you discover and share the coolest spots around you, from hidden swimming holes to scenic overlooks. I built the backend, both mobile clients and the infrastructure.

10,000+
organic users, zero paid acquisition
~50%
weekly retention at peak
8,000+
places posted by users
Learn this with meAPIsDatabasesReact NativeShipping to real users
Explore the build
A Locava post showing a swimming hole with a Visit now button
A Locava post showing a swimming hole with a Visit now button
The Locava map, showing photo pins across a region
The Locava search screen with curated mixes for hiking, park, beach and cafe
The Locava web app on a laptop, showing a map beside a grid of places
Two iPhones showing a RidgeSync day plan and its 3D route mapTRIP PLANNER · iOS, WATCH & WEBRidgeSyncAn all-in-one backpacking trip planner for mileage and elevation, camping sites, water sources and much more.Learn this with meTypeScriptSQLArchitectureSee the breakdown
trybase.appThe base. home page, with the app on iPhone and Apple WatchHYBRID TRAINING · iPHONE & APPLE WATCHbase.A hybrid-training app that holds strength, endurance and nutrition in one adaptive plan, driven by live health data.Learn this with meReact NativeData modelingUI/UXSee the breakdown
pathfinder-3d.vercel.appDijkstra's wavefront spreading across Burlington over 3D terrainROUTING LAB · RUST + WEBGLPathfinder 3DFive shortest-path algorithms, written from scratch in Rust, explore Vermont's real road network as glowing wavefronts over 3D terrain.Learn this with meGraphsHeapsBig-OSee the breakdown
nn-observatory.vercel.appA hand-drawn 7 propagating through a neural network in 3DNEURAL NETWORKS · NUMPY + WEBGLNeural Net ObservatoryTwo neural networks trained on real handwriting with a backward pass derived by hand, drawn as a 3D network you can fly through.Learn this with mePythonLinear algebraTestingSee the breakdown
See everything on judsondunne.com

"My goal is to help you understand why something works, so you can solve the next problem on your own."

Judson DunneJudson DunneHow I think about tutoring

Free guides, whether we work together or not.

Lafayette studentsHow to prepare for Lafayette CS 150What CS 150 builds on, three short self-checks, and a two-week plan for the break before it starts.Students and interview candidatesA data structures and algorithms study roadmapThe order to learn the ten core areas, how to practice each one, and how to know when you're ready to move on.High school students and parentsHow to start programming in high schoolWhich language to pick, a realistic first month, first project ideas, and how parents can help without hovering.Engineering candidatesA technical interview prep checklistWhat to do eight weeks out, one week out and in the room, plus what to ask your recruiter first.

Stuck on something?

  • Python
  • Java
  • JavaScript
  • TypeScript
  • Recursion
  • Data structures
  • Algorithms
  • Big-O
  • Object-oriented programming
  • Functional programming
  • Debugging
  • Git
  • SQL
  • React
  • Next.js
  • APIs

Frequently asked
questions

How do I get started?

Book a free 15-minute intro call. We'll talk about what you need and set up your first session from there.

Are sessions online?

Yes. Sessions are live and online, so you can join from anywhere with a computer and a stable connection.

What can you help with?

Python, Java, JavaScript, data structures, algorithms, computer systems, web and app development, technical interviews and more. For college students, the Lafayette course guide shows what I can help with course by course.

My child has never coded. Is that okay?

Yes. Coding Foundations starts from the very beginning, and no experience is needed.

Can you help with my class?

Yes, in most cases. Send me your syllabus and I'll let you know how I can help.

How does payment work?

I send payment details after your intro call. Single sessions are paid before the session, and packages are paid before the first session.

Ready to get started?
Book a free intro call.

Book a Free Intro Call

Free. 15 minutes.