Exercism v3 launches on Sept 1st 2021. Learn more! 🚀🚀🚀

Java Mentors

Our mentors are the human element behind Exercism, providing empathetic feedback on learners' solutions.
Avatar of Aaditya Kulkarni

Aaditya Kulkarni https://github.com/aadityakulkarni

I am a Full stack web developer. I've written code in Java professionally, as well as use it for open source contribution.
Avatar of Adrian Spanu

Adrian Spanu https://github.com/aspanu

I work as a software engineer full time. I've been working in Java codebases for a number of years now and I really like the flexibility and usefulness of Java. I'm happy to help new coders discover the awesomeness of Java. Yes, it does exist :).
Avatar of Cameron MacDonald

Cameron MacDonald GitLab

Java was my second language and I wrote it professionally as well for a recommender system.
Avatar of Dusan Rychnovsky

Dusan Rychnovsky https://github.com/dusan-rychnovsky

I have worked with Java for many years, both professionally and as a hobby.
Avatar of Jake Varness

Jake Varness GitHub Page

I've been writing Java code professionally during the entirety of my career, spanning many years and multiple software companies!
Avatar of Jônatas Barbosa

Jônatas Barbosa https://github.com/jonatascb

Java is one of my favorite languages. It's very powerful and versatile. Besides, you can build once and run everywhere! :)
Avatar of Marcos Brizeno

Marcos Brizeno https://github.com/MarcosX

I like to keep learning about languages, tools and anything that make developing software fun!
Avatar of Paul Moore

Paul Moore https://github.com/pdmoore

I've been programming in Java and JUnit for almost as long as they've existed. I really appreciate the ability to effortlessly refactor code using these tools.
Avatar of Patrick Trottier

Patrick Trottier https://github.com/PTrottier

I am studying Computer Science in Canada. My passion for the Web as a platform for everyone and Open Source Software fuel my work on projects like Exercism.
Avatar of Rahmeen Habib

Rahmeen Habib https://github.com/Rahmeen14

I write C++ at the university, have 10 week professional experience with Java in an intern project and am an RGSoC scholar for a JavaScript Project
Avatar of Carsten Dreesbach

Carsten Dreesbach https://github.com/HerbCSO

I've been using Java in my job for about 15 years now, but only became a full-time engineer about a year and a half ago (was in professional services doing customizations before that).
Avatar of Peter Tillemans

Peter Tillemans https://github.com/ptillemans

I am an electronics engineer and language geek who learned programming on an hp-41 and C-64. Now I do mostly java, javascript, python, rust and haskell. I believe that code should sing its intent so the last row in the hall understands the last syllable.
Avatar of Uzi Landsmann

Uzi Landsmann https://github.com/uzilan

I have been a developer for about 15 years, working daily with Java. I love learning new languages and am trying to learn and adopt a functional programming style.
Avatar of Alban Dericbourg

Alban Dericbourg Blog

Software engineer for 10 years now, mostly experienced on the JVM (Java and Scala) for web facing systems. Eager to learn, you'll probably find me trying new things on the other tracks!
Avatar of Jacob Andersen

Jacob Andersen https://github.com/simpleauthority

I am a Java nut. While some may hate it for its (seemingly) unnecessary verbosity at times, that is one of the main reasons I love it. I've written Java as a hobby and professionally for over five years.
Avatar of Koen Wellens

Koen Wellens My blog where I review books.

I've been working with Java for about 10 years now. I think I've come at a level where I can help others.
Avatar of Louie van Bommel

Louie van Bommel http://alwayswantedtoplay.com

I've been doing java for a long time, including a word game that was online for years. I love Haskell, and I'm learning Elm, Rust, and (yikes!) Perl. Say hi if ya like :)
Avatar of Lars Eckart

Lars Eckart https://github.com/LarsEckart

I'm very enthuastic about clean code and TDD. I've developed a few small android apps and otherwise microservices in java 8. I'm addicted to (un)conferences, meetups, watching conference talks online, or simply reading the classic books about software development. Never stop learning!
Avatar of Fredrik Rubensson

Fredrik Rubensson https://github.com/froderik

So Java would be my main language with something like 15+ years of experience. I don't particularly like it but it is what I know best!
Avatar of Florian Zeidler

Florian Zeidler https://github.com/das-vinculum

I am software engineer from Berlin, Germany. I work since 2013, often in legacy environments and mostly in Java.
Avatar of Thomas Gamble

Thomas Gamble https://github.com/gambtho

Enjoy solving problems and helping others learn. I've written java professionally, and also use it for open source projects.
Avatar of Ruben Romero Montes

Ruben Romero Montes https://github.com/ruromero

I've been developing in Java professionally for over 10 years.
Avatar of Ivan Šarić

Ivan Šarić https://github.com/isaric

I am primarily a Java backend dev working full-time in the e-commerce field. Learning programming has changed my life for the better and I hope to help others do the same.
Avatar of Andrea Sessa

Andrea Sessa https://github.com/Sessa93

I write Java for work and despite its verbosity I continue to love it!
Avatar of Maksim Danilau

Maksim Danilau https://github.com/MaksimDanilau

I like clear and laconic code
Avatar of Warren Wright

Warren Wright https://github.com/wrightling

I am a software engineer by training, build and run software teams in practice, and am a longtime fan and user of Exercism!
Avatar of Richard Wild

Richard Wild https://github.com/richardjwild

I'm a Software Craftsman at Codurance, doing software development professionally for over 20 years.
Avatar of Peter Lamby

Peter Lamby https://github.com/Serranya

I am an professional Java Developer who takes great interest in open source, teaching and self improvement. I'm hoping to help new Developers achieve their goals.
Avatar of Eduard Maura

Eduard Maura https://github.com/mapu77

I've worked in Java since I started coding seriously for living and having fun :sparkles:
Avatar of Adarsh K Kumar

Adarsh K Kumar My Blog

I'm a Software Developer with exposure to Java/Spring, Devops, Linux, Databases. Currently exploring Distributed Systems and Erlang.
Avatar of Will Madison

Will Madison https://github.com/willmadison

Passionate developer. Live long learner. Father. Geek. Frat Boy :). I've written Java professionaly for many years and mentor/coach myriads of Java developers.
Avatar of Dimitry Polivaev

Dimitry Polivaev https://github.com/dpolivaev

I am developer mostly practicing Java, Scala, clean code and TDD
Avatar of Monica Calderaro

Monica Calderaro https://github.com/mccr

I'm a career changer (used to be a telecommunication Engineer), always up for learning new things and helping along the way.
Avatar of Marcus Bergenlid

Marcus Bergenlid https://github.com/mbergenlid

I'm a software engineer working professionally in Java, I love to learn new languages and to improve my coding style. My side projects are usually focused around learning some new language or technology.
Avatar of Maisam Somji

Maisam Somji https://github.com/msomji

I'm a full stack developer with a love for all things related to functional programming. I spend the bulk of my time solving complex problems using simple but not necessarily easy solutions.
Avatar of Juan D. Vega

Juan D. Vega Blog

I love Java and I think it is getting better year after year. I think it takes advantage of the JVM and also has large community with a lot of amazing tools.
Avatar of James George

James George https://github.com/jamesgeorge007

I have experience with the Java Android framework as well as the traditional swing library for building Desktop apps.
Avatar of Shankar Shastri

Shankar Shastri GitHub Profile

Lover Of Pure Functional Programming.
Avatar of Robin Victorino

Robin Victorino https://github.com/rvictorino

I've been working as a Java developer for a bit more than 5 years now. Finding elegant solutions is something I value. I'm an open source enthusiast.
Avatar of Quincy Bowers

Quincy Bowers https://github.com/quincy

I've been programming in Java professionally for six years, and in general for more than 15 years. I like to focus on clean legible code, because code that is easier to read is easier to understand.
Avatar of Abdul Wahab

Abdul Wahab https://github.com/arwahab

Software developer versed in Java & Spring Boot looking to teach others and also learn from them
Avatar of Alex Jablonski

Alex Jablonski https://github.com/ajablonski

I work as a software developer for a tech consulting company. No matter what language I'm working in, there's always a soft spot in my heart for Java.
Avatar of Bryden Robertson

Bryden Robertson https://github.com/BrydenR

I have been working with Java for about 5 years, mostly as a hobby. I have programmed professionally with python, node.js, bash and R.
Avatar of Andrea Gazzarini

Andrea Gazzarini LinkedIn Profile

Curious software engineer with more than 15 years of experience, mainly focused on the Java language and IR/Search technologies.
Avatar of Daniel Krauskopf

Daniel Krauskopf https://github.com/danruff5

I graduated from Fanshawe College with two programming degrees. I am currently a full-time employee for a large company using Java and many other technologies.
Avatar of Michael Berger

Michael Berger https://github.com/michael-berger-FR

Mostly a Java developer, interested in solving problems and always looking for ways to learn new things. I'm also into cross-country skiing!
Avatar of Maykell Sánchez Romero

Maykell Sánchez Romero kellsaro

I enjoy learning and teaching programming languages. Web development enthusiast.
Avatar of Karim DRIDI

Karim DRIDI My LinkedIn Profile

Passionate about coding since 1995.
Avatar of Lorenzo Addazi

Lorenzo Addazi https://github.com/loradd

I am a researcher in model-driven engineering and domain-specific languages with a pure love for programming.
Avatar of Paulo Rosa

Paulo Rosa https://github.com/paulorosa

I've been programming in Java since 1998 and teaching since 2012.
Avatar of Paul Aly

Paul Aly https://github.com/maly7

I've been developing in Java Professionaly for 5 years now. I'm passionate about writing clean code and learning new programming languages.
Avatar of Crane Yuan

Crane Yuan Personal Blog Site

I am a backend developer. I've written code in Java professionally, as well as use it for open source contribution.
Avatar of Jason Runkle

Jason Runkle https://github.com/jmrunkle

I have been writing Java code professionally for the past 3 years and I have had a wonderful experience with it. The functional style of Java 8 took some getting used to, but it really improved my team's codebase and productivity.
Avatar of Samuel Braun

Samuel Braun

My first programming language was Java. At the beginning it was quite challenging to write some code that does actually make sense. After a few days however, it became easier and fun to mess around with.
Avatar of Dennis Hartrampf

Dennis Hartrampf https://github.com/DennisHartrampf

I have 7+ years experience as software developer, mainly using Java, recently also Kotlin ♥. I'm a fast learner and eager to explore new technologies. I'm also a believer in agile software development, team work and Clean Code.
Avatar of Eric Ramirez Santis

Eric Ramirez Santis https://github.com/EricRamirezS

I am a Computer Science student. I have been actively programming in Java for the last 5 years. And I want to help others improve their skills in this beautiful language.
Avatar of Artem Privalov

Artem Privalov https://github.com/privalou

I am huge fan of java! I really love web, open source software and idea of 'knowledfe for everyone'. At the moment I'm full stack developer, but my passin is Java!
Avatar of Paul Lee

Paul Lee https://github.com/leeyspaul

I love teaching as much as I love learning! Fan of both human and machine languages. :)
Avatar of Zuzanna Kru

Zuzanna Kru https://github.com/zuzia-kru

I have been working with Java professionally for almost 4 years now and I'm particularly passionate about the functional style features of it like the Stream API.
Avatar of Nordwin Hoff

Nordwin Hoff Twitter

I am developper working with java and javascript every day. I love to learn new things and share it with people around me. I believe in team work, well designed code and simple things to make coding a fun experience.
Avatar of Daria Golub

Daria Golub Twitter

I am a software developer, with the main focus on Java. Clean code, proper tests, best practices ♥.
Avatar of Henri Lay

Henri Lay GitHub Profile

Interested in Craftsmanship and functional programming ;)
Avatar of Hatem Ahmed

Hatem Ahmed https://github.com/engtomhat

I'm a software engineer. Most of my experience has been in Java. I hope that I can help people transition into the language and that I get to learn more myself from seeing different approaches.
Avatar of Aleksey Zhidkov

Aleksey Zhidkov Twitter

I have been programming in java since 2003. Over the years I have taked part in projects in many different areas from settop boxes firmware, to big data to JVM implementation.
Avatar of Jose 'Joshi' Raez

Jose 'Joshi' Raez https://github.com/joshiraez

I'm a polyglot developer who has worked in Java for the past 3 years. I'm always keen on learning new things, and I always try to share everything I discover both online or in talks.
Avatar of Keith Wegner

Keith Wegner LinkedIn

I have been writing Java professionally for 12 years.
Avatar of Bastien Lemale

Bastien Lemale https://github.com/blemale

I've been working professionally with Java for about 5 years from web development to data processing. I've also written Scala professionally, and also use it for open source projects. And finally I'm a Rust enthusiastic.
Avatar of Sébastien NEDJAR

Sébastien NEDJAR https://github.com/nedseb

I'm an associate professor at Aix-Marseille University. I've written et taught Java and C/C++ professionally. I love learning new languages especially functional ones.
Avatar of Marco Bolis

Marco Bolis https://github.com/mbolis

I've been writing OO Java code for the last ten years or so. I also know a couple other languages and paradigms. I believe one should learn to think their code from many POVs. And dream big.
Avatar of Arijit Datta

Arijit Datta https://github.com/arijitdatta

I have been working in Java for the last 13 years at a software major. Beside my everyday work, I am also responsible for teaching Java (Core and J2EE) to new joinees.
Avatar of Sushovan Karmakar

Sushovan Karmakar GitHub Profile

I am professional Java Developer who want to contribute in open source. I want to share my knowledge and experiences to help others to reach their goals
Avatar of Troyan Krumov

Troyan Krumov https://github.com/LoadingBG

I love java and I love teaching people how to become fluent in this wonderful language.
Avatar of Oleksandr Shmatko

Oleksandr Shmatko https://github.com/Ne0t0N

I'm a Software Engineer working with Java since 2012. Love to learn new languages and currently trying to master Nim.
Avatar of Kaushik Chatterjee

Kaushik Chatterjee LinkedIn

I am a 16-year old software developer and tech enthusiast who loves coding and researching exponential technologies.
Avatar of Frederic Meyer

Frederic Meyer https://github.com/corebreaker

French developper for more than 20 years in Management Systems, i was insterested in several languages and technologies like C++, Java, PHP, etc. Nowaday, i'm more intested in other language, but i use PHP sometimes, so i can help.
Avatar of Alejandro Diaz

Alejandro Diaz Blog

I started work as a data analyst in 2017, doing typical excel stuff. I slowly discovered programming and am now entering my Master's in CS.