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GO திசை · p. 01

drag to spin · point at a topic to see its way

So much to learn.
Where do you start?

எங்கிருந்து தொடங்குவது?

Show me the way

No. 0001 · Tech in Tamil

GO திசைGo this way.

The best place to learn tech in Tamil. Live classes that are really live: real code on screen, real systems, every doubt answered. No slides read aloud.

Admit onePick your direction or start free with Python, Docker, PostgreSQL or Git

Live classes in Tamil · Notes in English · Open source

The tools you will use, on your own machine

LinuxBashGitGitHubPythonVS CodeDjangoFastAPIPostgreSQLRedisMongoDBNginxDockerKubernetesHelmArgo CDPrometheusGrafanaGitHub ActionsTerraformAWSAzureKafkaAirflowPySparkpandasNumPyJupyterscikit-learnPyTorchLangChainOpenSearchNeo4jElasticsearchRabbitMQPostman

Programs

Four directions. Pick yours.

Every program is a live batch in Tamil: hands-on from the first class, recordings after each one, and a mentor who answers your doubts. Pick one to see its programs and syllabus, or let six quick questions pick for you.

01

Backend Engineering

Python, Django, PostgreSQL, DSA and system design. Build services that hold up in production. Explore Backend Engineering 02

Cloud Engineering

AWS and Azure architecture, Docker and Kubernetes. Design, deploy and run systems in the cloud. Explore Cloud Engineering 03

Data Engineering

Pipelines, Spark, warehouses and Databricks. Move, clean and model data at scale. Explore Data Engineering AI 04

AI Engineering

LangChain, vector databases, RAG and agents. Build AI features that work outside a demo. Explore AI Engineering

Open to everyone

Start today with four open courses.

Four courses that every engineer uses every day, and what each one solves for you.

Python for everyone

The one language you will use for scripts, backends, data and AI. Never coded before? You write your first real program in the very first chapter.

  • Automate boring work
  • Build web backends
  • Analyse data
  • Talk to AI models
Enroll now

Docker for everyone

Package any app once and run it the same way on every machine. No more "it works on my laptop".

  • Same setup everywhere
  • Ship apps faster
  • Run databases locally
  • First step to Kubernetes
Enroll now

Postgres for everyone

Almost every app keeps its data in a database. Learn to design tables, write fast queries and keep that data safe.

  • Design clean tables
  • Write fast queries
  • Never lose data
  • Clear SQL interviews
Enroll now

Git for everyone

Save every version of your work, undo any mistake and build with a team without stepping on each other.

  • Undo any mistake
  • Work in a team
  • Show work on GitHub
  • Contribute to open source
Enroll now

Self-paced · Crack the Interview

Interview coming up? Prepare on your own time.

System design, DSA patterns and design patterns, with the coding practice tracker and every other practice tool. No batch to wait for. Start tonight.

₹699 for one year of all of it

See the interview bundle
  • System Design course
  • Fifty case studies
  • System Design playground
  • DSA Patterns course
  • Coding practice tracker
  • Placement quiz
  • Coding pattern guides
  • Design Patterns course
  • Quizzes and flash cards
  • Cheat sheets and question banks
  • Chapter Q and A
  • New chapters during your year
  1. Design round

    System Design

    Seventy short concept chapters, then fifty full case studies from a URL shortener to a matching engine. See the syllabus
  2. Coding round

    DSA Patterns

    The 23 patterns behind most coding problems, with a practice tracker that tells you what to solve next. See the syllabus
  3. Low-level design round

    Design Patterns

    The 18 patterns interviewers ask about, in plain words with runnable Python for each. See the syllabus
1000+students trained
9.1/10would recommend us
100%said the fee was worth it
0slides read aloud

What you get

Everything you need to finish, in one place.

Eight things walk with you, from the first class to your first offer. Pick one to see what it gives you.

Text materials Chapter-by-chapter notes with runnable code and real outputs, to read at your pace and revise before interviews.
  1. Text materialsChapter-by-chapter notes with runnable code and real outputs, to read at your pace and revise before interviews.
  2. Live classesEvery class is really live in Tamil, with time for your questions as they come up.
  3. RecordingsEvery class is recorded. Missed one? Watch it the same day, and keep it for later.
  4. VideosShort explainers to watch again whenever a concept needs one more look.
  5. Weekly assessmentsA short timed test each week shows the gaps while there is still time to fix them.
  6. Quizzes and flashcardsA quiz after every chapter and spaced flashcards, so what you read actually stays.
  7. Doubt clearingAsk in class, in the forum, or book a personal call. No doubt is left hanging.
  8. Resources and a job circleArticles and tools we share from anywhere, and openings our learners and alumni pass on.

How we teach

100% open source.
Zero paid tools.

Everything we teach runs on open-source software and open-weight models. You will never be asked to buy a licence to learn a concept, and what you learn works anywhere.

  • Linux
  • Python
  • Git
  • PostgreSQL
  • Redis
  • Docker
  • Kubernetes
  • OpenTofu
  • Kafka
  • Spark
  • Airflow
  • Prometheus
  • Grafana
  • Ollama
  • Llama
  • Qdrant
  • LangChain
  • n8n

After you enrol

See your progress every day.

Your dashboard keeps the next lesson, your streak, your weekly goal and your scores in one view.

Search chapters, labs, recordings...12 day streak750 points

Good evening,
Nila!

One chapter closer to your next role.

Continue learning →

Continue learning

SQL Indexes and query plansModule 3 · Chapter 4 Resume

Build your skills

Quizzes12 this month Flashcards240 cards due Assessments6 of 8 done Recordings18 classes
Illustration of the learner dashboard. Names and numbers are examples.

Why people choose us

Why 1000+ students learn with us

Maybe one of these sounds familiar.

"I watched fifty tutorials and still can't build anything."

Every class is hands-on. We build it together, live, and you build it again in the lab.

"English-heavy courses lose me halfway."

Concepts are explained in Tamil, like a friend would. Notes stay in English for interviews.

"I get stuck on one doubt for days."

Ask in class, post in the forum, or book a 1:1 call. Someone answers.

"I buy recorded courses and never finish them."

A live batch has a date, a group and weekly assessments that keep you moving.

"I get interview calls but no offers."

Mock interviews, an ATS resume check and a system design playground close the gap.

"I don't know what to learn next."

Four clear directions, each with a syllabus from the first class to the last.

"Courses only show slides. I never see real code run."

We write, run and break real code on screen in every class, then fix it together.

"Every course wants me to buy some software first."

Everything we teach runs on open-source tools and open-weight models. You never buy a licence.

"I learn alone, lose motivation and stop."

You learn in a batch with others, keep a streak, and have a mentor checking in every week.

Student reviews

What our students say

In their own words, from students of our GoDisai batches: AI Agents, RAG, Kubernetes, System Design, Backend, Data Science and GenAI.

1000+Students trained in our live batches and courses
9.1/10Average "would you recommend us?" score from live-session students
100%Said the fee was worth it in our GenAI, Backend, Data Science and System Design surveys
AI Agent Builder
This course gave me a clear and practical understanding of Generative AI, LLMs, LangChain, RAG, tool calling, and AI Agents. The hands-on approach helped me understand how these concepts are used to build real-world AI applications and increased my confidence for AI Engineer interviews and projects.
MP
Muruga PerumalWorking professional
RAG
The way you teach things from absolute scratch and not from an abstraction level really made me understand a lot of technical topics with much more depth. “I am able to explain why and how things work and know how to do it” — that would be the takeaway from the sessions.
GK
Gokul KannanWorking professional
40 Days of RAG
This course provides a clear and practical understanding of RAG concepts, including embeddings, vector databases, chunking, retrieval, reranking, and RAG optimization techniques. The hands-on examples and doubt-clearing sessions helped me understand how to apply these concepts in my own projects.
RP
Ramya PerumalJob seeker
AI Agent Builder
This course gave me a practical understanding of Agentic AI, including how to build AI agents, integrate tools and manage workflows. It strengthened my understanding of agent architecture and gave me more confidence in building real-world AI solutions.
KM
Karthik MadheshWorking professional
System Design
I now have the confidence to crack system design interviews.
PK
Prajin Kumar PStudent · SJIT HOPE
Kubernetes
Concepts are explained in the simplest way to understand. Doubts are clearly explained on the spot until everyone understands the concept — very useful for preparing for interviews.
H
HariniJob seeker
Kubernetes
If you want to change your role with the current trend, he is the best — and you can learn in your mother tongue. I can now change my role and attend interviews confidently.
SB
Sathish @ BalaWorking professional
AI Agent Builder
The topics were taught in Tamil and English, the teacher's knowledge was in depth and I could understand them clearly. I learnt AI agent architecture from the bottom up — it will definitely help in interviews.
KC
Krishnamurthy ChandrasekaranJob seeker
Django · Backend Mastery
Clear explanation with simple examples and a practical approach to real-time issues. You can learn the basics very clearly and gain the confidence to be a developer.
AM
Arun MadhuWorking professional
Backend Mastery
The class was very informative and helped me fill gaps in my knowledge. I'm looking forward to applying these skills in my work.
D
DeepaStudent
Data Science
Course contents are well structured and delivered with the best examples.
MG
Manikandan GanesanStudent
30 Days of GenAI
Prompt techniques, Ollama, the LangChain framework, memory optimisation, insights on RAG and vector databases, and automation tools like n8n. Overall it's a good learning experience on using GenAI.
VS
Vignesh SStudent

New · for everyone

Is your resume getting past the ATS?

Most companies filter resumes with software before a recruiter ever reads them. Upload yours and get an honest review: an ATS score, what to fix first, and the keywords you're missing for the role you want.

  1. Upload your PDF and get a tracking ID.
  2. Our AI reviews it on our own computer. Your resume isn't sent to ChatGPT or any outside AI service.
  3. Read your report in a few minutes: scores, strengths, fixes and the roles you fit.
Review my resume

Sign in with Google · up to 3 reviews a day · the PDF is deleted after a few days

Sample reportData Engineer
72ATS score
66Quality
GoodVerdict

Fix these first

  • Add numbers to each project: rows processed, time saved
  • Put your GitHub and LinkedIn in the header
  • Swap the objective for a 2-line summary

Keywords worth adding

AirflowSparkETLdbt

Questions

Frequently asked

Everything people usually ask before they join. Still unsure?

Ask in the Q&A forumBook a 30-minute call

Are the classes really live?

Yes. Classes happen live on a schedule, and you can ask questions as they come up. Each class is recorded and added to the course afterwards.

Which language are classes in?

Classes are taught in Tamil. Notes and code are in English, so you can revise and interview in English.

Do you guarantee a job?

No. Nobody can honestly guarantee a job, and we will not pretend to. What you do get: real skills, mock interviews, an ATS resume check, and a circle of learners and alumni who share openings and referrals, so you can find and apply for the right roles.

What if I miss a class?

Watch the recording, read the notes and ask your doubts in the forum or the next class.

How do I clear doubts?

In class, in the Q&A forum, or on a 1:1 call. There is always a way to get an answer.

I am a college student. Where do I start?

Backend Engineering for College Students with AI is a good place to start. It is open to everyone, in college or working, and takes you through about a year of DSA, backend, databases, AWS, system design and AI, step by step.

Which courses are free?

Python Fundamentals, Docker Mastery, Database Engineering with PostgreSQL and Git & Version Control. Read them without signing in.

How do I join a program?

Open the program page, check the syllabus and the next batch, and reserve your seat. Payments are handled securely by Razorpay.

Pick a direction.
We will walk it with you.

1000+ learners have already. GoDisai is by Parottasalna.

See all courses