⚙️
Backend Engineering & System Design
How real systems are built — APIs, databases, caching, queues, scaling and the trade-offs behind them.
Live classes in Tamil · Notes in English · Open source
Learn Backend, Cloud & AI
Learn Backend, Cloud & AI
simply — in Tamil.
தமிழில் Backend, Cloud, AI மற்றும் Software Engineering கற்றுக்கொள்ளுங்கள்.
Backend Engineering, System Design, AWS, AI Agents, Data Engineering, Docker & Kubernetes and DSA — explained the way a friend would explain it, using open-source tools and hands-on tasks that build real-world skills.
🌱Open source at heart. Learn with the open-source tools the industry runs on — Linux, Python, PostgreSQL, Docker, Kubernetes, Airflow — and build in the open on GitHub. Organiser of TOSSConf 2025 & 2026.
1000+Students trained
5Live programs
TamilLive classes
9Free courses
Start here
Who this is for, and what to do first
🎯
Crack the interview
Patterns, system design and a resume that gets past the ATS.
For: Students and engineers preparing for product-company interviews. See the path → ☁️Backend and cloud engineer
From first Python line to deploying containers on AWS.
For: Beginners and developers who want a backend or DevOps career. See the path → 🤖AI engineer
Build agents that use tools, memory and your own data.
For: Developers who know basic Python and want to build with LLMs. See the path →Free
- Self-paced courses with notes, diagrams and quizzes
- Blog, stories and open-source tools
- Free resume review with an ATS score
Live batches
- Mentor-led cohorts in Tamil
- Recordings and lifetime access
- Enrolment-only course notes
- Create a free account with Google, or an email and password.
- Pick a path (or any course) and press Enrol. It takes one click.
- Finish one chapter today and mark it complete. Your progress is saved.
What you'll find here
Six tracks. One goal — real engineering skills.
Pick a track, or follow them in order. Every concept is explained simply in our Tamil classes, with practical tasks you can put on your résumé.
☁️
AWS & Cloud
From cloud fundamentals to certification preparation — VPC, IAM, EC2, S3, WAF and more.
🤖
AI Engineering
LLMs, RAG, AI agents and practical AI systems — build things that actually ship.
🧩
DSA
Patterns and problem-solving for technical interviews — understand the why, not just memorise answers.
🐳
Docker & Kubernetes
Containers, orchestration and DevOps fundamentals, taught through stories and hands-on labs.
📊
Data Engineering
Pipelines, warehousing and orchestration — Python, SQL, PySpark, Airflow, dbt and Databricks.
Live cohort programs
Go deep with a live, mentor-led program
Mentor-led programs in Tamil. Read each syllabus, see when the next batch is planned, and follow our WhatsApp channel to hear when it opens.
Enrollment closed
🛠️
Django, PostgreSQL, DSA & System Design
Backend Engineering
Go from Python basics to production backends with Django and PostgreSQL, then add DSA, low-level design and system design so you think like an engineer, not just a coder.
Python-ல இருந்து ஆரம்பிச்சு Django, PostgreSQL வரைக்கும் production-ready backend எப்படி கட்டுறதுன்னு கத்துக்கலாம். கூடவே DSA, LLD, System Design-உம் சேர்த்து ஒரு முழுமையான backend engineer ஆகலாம்.
FormatLive classes + recordings
AssessmentQuizzes, assignments & projects
CertificateCompletion certificate
- Python, Django 5, PostgreSQL and Django REST Framework
- DSA, SOLID, design patterns and system design
- Assignments and a deployed capstone project
Next batchTo be announced
View syllabus →
Enrollment closed
📊
40 days · Databricks cert prep
End-to-End Data Engineering
Master modern data pipelines, warehousing and orchestration, with a strong focus on the Databricks Data Engineer Associate exam.
Python, SQL-ல இருந்து Airflow, dbt, PySpark, Databricks வரைக்கும் — data pipeline எப்படி கட்டுறதுன்னு step by step கத்துக்கலாம். Databricks certification-க்கும் தயாராகலாம்.
ScheduleMon · Wed · Fri
Time8–9 PM IST
LevelBeginner → Inter.
- Python, SQL, data modeling & cloud warehouses
- Airflow, dbt, PySpark & streaming with Kafka
- Databricks Lakehouse, Delta Lake & Unity Catalog
Next batchTo be announced
View syllabus →
Batch in progress
🤖
Bootcamp · 12 modules
AI Agent Engineering
Build production-ready AI agents from scratch — from LLM fundamentals to autonomous, multi-agent pipelines.
LLM basics-ல இருந்து RAG, tool calling, MCP, multi-agent வரைக்கும் — சொந்தமா ஒரு AI agent-ஐ உருவாக்கி deploy பண்ணலாம்.
ScheduleMon · Wed · Fri
Time9–10 PM IST
OutcomeDeploy an agent
- Prompt engineering, tool calling & memory
- Advanced RAG, multi-agent systems & MCP servers
- FastAPI, Docker & AWS deployment, evals & tracing
Next batchTo be announced
View syllabus →
Batch in progress
☁️
90 hours · 6 months · SAA-C03
AWS Architecture Masterclass
Go from “I know services” to designing scalable, fault-tolerant, production-grade systems — through live building and real-world debugging.
AWS services தெரிஞ்சா மட்டும் போதாது — scalable, fault-tolerant system-ஐ எப்படி design பண்றதுன்னு live-ஆ கட்டிப் பார்த்து கத்துக்கலாம். SAA-C03 exam-க்கும் தயாராகலாம்.
ScheduleSat · Sun
BatchesMorning & night
LevelNo AWS needed
- Modules from IAM and S3 to serverless, DR and the Well-Architected framework
- 6 full-length mock exams + module-wise tests
- WhatsApp doubt group & Google Classroom
Next batchTo be announced
View syllabus →
Batch in progress
☸️
50 sessions · 25 weeks
Docker & Kubernetes Systems Engineering
Docker internals, multi-stage builds, CNI networking, Gateway API, eBPF and production Kubernetes cluster operations.
Docker internals-ல இருந்து production Kubernetes cluster வரைக்கும் 50 session-ல ஆழமா கத்துக்கலாம். கடைசில ஒரு AI agent platform-ஐ Kubernetes-ல deploy பண்ணுவோம்.
ScheduleTue · Thu
Time9–10 PM IST
OutcomeDeploy an AI agent
- Namespaces, cgroups & container runtime internals
- Compose, security scanning & observability
- K8s architecture, Helm, HPA, Cilium/Calico & cluster ops
Next batchTo be announced
View syllabus →
Free self-paced courses
Not ready for a cohort? Start free.
Sign in with Google and start learning. Track your progress and test yourself with quizzes after every module.
Free
DSA Patterns for Coding Interviews
Learn the 23 patterns behind most coding-interview problems, one session each. Every pattern starts with a story a chil…
Start free →Free
Database Engineering with PostgreSQL
Learn relational databases and SQL with PostgreSQL: installation, roles, querying, filtering, ER diagrams and joins, wi…
Start free →Free
Design Patterns in Python
Start free →Free
Docker Mastery
Understand containers through stories and hands-on labs: Docker architecture, images and containers, Dockerfiles, port …
Start free →Free
Git & Version Control
Why version control matters, how Git came to be, installing and configuring Git, core terminology and hands-on exercise…
Start free →Free
Load Testing with Locust
Load test web applications with Locust: users and tasks, wait times, events, HTTP requests, response validation, step l…
Start free →Free
Prompt Engineering
Learn to write prompts that get reliable answers from AI models. Fourteen short chapters, each with a real before and a…
Start free →Free
Python Fundamentals
Learn Python from your first print() to a complete game: variables, operators, functions, strings, lists, tuples, dicti…
Start free →Free
System Design
Learn how to design systems the way interviewers and real teams expect, one idea at a time. Six chapters with diagrams,…
Start free →
New · free 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.
- Upload your PDF and get a tracking ID.
- Our AI reviews it on our own computer. Your resume isn't sent to ChatGPT or any outside AI service.
- 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
Why Parottasalna
Why 1000+ students learn with us
Quality engineering education shouldn't be expensive or confusing. Here's what makes this different.
ஏன் Parottasalna? எளிமையா, தமிழ்ல, practical-ஆ கத்துக்கலாம்.
01
Explained simply, in Tamil
Hard concepts broken down with everyday analogies — tea kadai, kitchens, bakeries — so they actually stick.
02
Affordable by design
Many courses are completely free. Paid programs are priced for students and early-career engineers, not corporate budgets.
03
Practical over theory
Every module ends with hands-on tasks and real code. You learn by building what's used in production.
04
Live classes, lifetime recordings
Evening live sessions that fit around work or college. Missed one? Recordings are shared daily and stay with you for life.
Meet your mentor
Learn from someone who builds this every day
Syed Jafer K
Founder, Parottasalna · Software Engineer & Educator
Hi, I'm Syed Jafer K. I create practical, easy-to-understand content to help you learn software engineering and build real-world skills.
Through Parottasalna I've trained 1000+ students in backend engineering, AWS, Kubernetes, data engineering and AI — all in Tamil, and always with a focus on what you'll actually use at work.
Beyond teaching, I organise TOSSConf — 2025 and 2026 — and run free-software activities for the community, with hackathons, workshops and talks.
🌱 Open source & community
Giving back to the open-source community
Parottasalna isn't just courses. We organise TOSSConf and free-software activities — hackathons, workshops and talks that bring the community together — and speak at community meetups.
Open-source tools we built to run TOSSConf
🎤 Syed Jafer K — organiser of TOSSConf 2025 & 2026 · community speaker
Real results
What students walked away with
In their own words, from our feedback forms.
🔄
Ready to move from an admin role into Docker work
Sathish @ Bala · Kubernetes🤖
Built AI projects with LLMs, RAG, tool calling & memory — ready for AI Engineer interviews
Muruga Perumal · AI Agent Builder🏗️
Confident to crack system design interviews
Prajin Kumar P · System Design💼
Applying the learnings at work “in a lot of ways”
Gokul Kannan · RAG🚀
Built a real-world project to show in interviews
Ezhilarasi A · AI Agent Builder💡
Gained the confidence to become a developer
Arun Madhu · Django
Student reviews
What our students say
In their own words — from students of our AI Agents, RAG, Kubernetes, System Design, Backend, Data Science and GenAI batches.
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 & System Design surveys
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
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
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
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
I now have the confidence to crack system design interviews.
PK
Prajin Kumar PStudent · SJIT HOPE
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
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
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
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
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
Course contents are well structured and delivered with the best examples.
MG
Manikandan GanesanStudent
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
FAQ
Frequently asked questions
உங்க சந்தேகங்களுக்கான பதில்கள் இங்க இருக்கு.
Is everything taught in Tamil?
Yes. Live classes explain concepts in Tamil so they're easy to follow. Course notes, code, commands and technical terms are in English, exactly as you'll use them at work.
Do I need prior experience?
No. Courses start from the fundamentals and build up one idea at a time. If you're new, start with Git and Python, then move to databases and backend.
Are the courses really free?
Many self-paced courses are free forever, and you can read them without signing in. Sign in with Google and start right away. The live cohort programs are paid, at an affordable price.
When are the live classes? What if I miss one?
Classes run in the evening (IST) on weekdays, and on weekends for AWS, so they fit around work or college. Every session is recorded and shared the same day, and you keep lifetime access.
Which program should I pick?
Want to build with LLMs? Pick AI Agent Engineering. Aiming for cloud roles or the SAA-C03 certification? Pick AWS. Into DevOps and platforms? Pick Docker & Kubernetes. Working with data? Pick Data Engineering. Not sure? Mail us at syedjaferk@parottasalna.com and we'll help you choose.
How do I track my progress?
Once you sign in, every course has progress tracking and quizzes, so you always know what's done and what's next.
Will this help me get a job?
The courses focus on practical skills used in real companies — backend, cloud, DevOps and AI. There are no placement guarantees; the skills and the hands-on work are what make the difference.
How do I contact you?
For any queries — courses, enrollment or payments — send a mail to syedjaferk@parottasalna.com. We'll get back to you.
Learn technology, simply — in Tamil. 🚀
Join 1000+ students building real-world skills in backend, cloud, data and AI engineering.
தமிழ்ல தொழில்நுட்பம் கத்துக்கலாம் — இன்னைக்கே ஆரம்பிங்க!
Have questions? Mail us at syedjaferk@parottasalna.com