Backend Developer Jobs Chennai 2026: Java, Python

Aap Chennai mein backend developer job dhundh rahe ho, 50 applications bhej diye, Naukri pe “Application Viewed” aa raha hai, but call nahi aa raha. Dimaag mein same question: “Java aata hai, Python bhi thoda aata hai, fir bhi shortlist kyun nahi ho raha?”

2026 mein Chennai backend market ka scene achha hai, but random apply karne se kuch nahi hoga. Companies ab sirf “Java Developer” ya “Python Developer” nahi dekh rahi, unko chahiye production-ready engineer, jo APIs, database, cloud, debugging, security, aur scale samjhe.

Chennai ka advantage ye hai ki yahan TCS, Infosys, Wipro, Cognizant, HCLTech, Zoho, Freshworks, Chargebee, Walmart Global Tech, PayPal, Comcast, Ford, Barclays jaise employers strong hiring karte hain. But competition bhi solid hai, especially freshers aur 1-3 years experience wale candidates ke liye.

Is post mein seedha baat karenge: 2026 mein Chennai backend jobs ka demand, Java vs Python, salary numbers, skills, projects, resume keywords, interview prep, aur apply strategy. Bhai, agar tu serious hai, ye article save karke step-by-step follow kar.

Chennai Backend Developer Market 2026: Actual Scene Kya Hai?#

Chennai IT market kaafi stable hai because yahan service companies + product companies dono ka mix hai. Service companies jaise TCS, Infosys, Wipro, Cognizant, Accenture, HCLTech large-scale hiring karti hain. Product companies jaise Zoho, Freshworks, Chargebee, PayPal, Comcast, Walmart Global Tech, TVS Digital, Kissflow better salary aur deeper tech work deti hain.

2026 mein backend roles mainly in areas mein grow kar rahe hain:

1. Banking and fintech
2. SaaS products
3. E-commerce
4. Logistics and mobility
5. Healthcare tech
6. Insurance platforms
7. Cloud migration projects
8. Internal enterprise tools
9. AI-enabled backend systems
10. Payment and risk systems

Chennai mein bahut saare US aur Europe clients ke backend systems maintain aur modernize hote hain. Isliye Java Spring Boot, Microservices, REST APIs, Kafka, SQL, AWS, Docker skills ki demand strong rahegi.

Python bhi grow kar raha hai, especially automation, data platforms, APIs, AI tooling, internal tools, testing frameworks, and cloud scripts mein. But agar pure backend jobs dekhoge, Java ka market Chennai mein abhi bhi zyada bada hai.

Simple language mein:

• Java: Enterprise backend, banking, fintech, insurance, large systems
• Python: API services, automation, data backend, AI support systems, startups
• Node.js: Startups, SaaS tools, real-time apps
• Go: High-performance services, product companies, infra teams

Agar tu Chennai mein safe career banana chahta hai, Java + Spring Boot + SQL + AWS ka combo kaafi strong hai. Agar tu Python route lena chahta hai, Python + Django/FastAPI + PostgreSQL + AWS + Docker strong package hai.

Backend Developer Role Mein Actually Kaam Kya Hota Hai?#

Backend developer ka kaam sirf “code likhna” nahi hota. Tu app ke andar ka engine banata hai. Frontend pe button dikhta hai, but uske peeche API call, database query, validation, authentication, logging, error handling, sab backend karta hai.

Backend developer ke common tasks:

1. REST APIs banana
2. Database design karna
3. Business logic implement karna
4. Login, signup, authentication handle karna
5. Payment gateway integrate karna
6. Server errors debug karna
7. Slow APIs optimize karna
8. Microservices ke beech communication setup karna
9. Logs aur monitoring check karna
10. Deployment support karna
11. Unit tests aur integration tests likhna
12. Security issues fix karna

Example: Zomato ya Swiggy jaise apps mein order place karte time backend bahut kuch karta hai:

• User location check
• Restaurant availability
• Menu price validation
• Coupon apply
• Payment initiate
• Delivery partner assign
• Order status update
• Notification trigger

Ye sab ek hi backend service nahi karta. Multiple services hoti hain. Isi liye companies backend developers se system design basics expect karti hain, even 2-3 years experience level par.

Java Backend Developer Jobs Chennai 2026#

Java Chennai mein king hai, especially enterprise jobs ke liye. TCS, Infosys, Wipro, Cognizant, HCLTech, Capgemini, Accenture jaise companies mein Java Spring Boot openings har time milti hain.

Product companies mein bhi Java use hota hai, especially payments, SaaS, identity systems, billing systems, analytics backend, and large APIs.

Java Skills Jo 2026 Mein Must-Have Hain

Agar tu Java backend role target kar raha hai, ye skills resume mein real projects ke saath hone chahiye:

1. Core Java
2. OOP concepts
3. Collections Framework
4. Exception handling
5. Multithreading basics
6. Java 8 features, streams, lambda
7. Spring Boot
8. Spring MVC
9. Spring Data JPA
10. Hibernate
11. REST API development
12. MySQL or PostgreSQL
13. Maven or Gradle
14. Git and GitHub
15. JUnit and Mockito
16. Docker basics
17. AWS basics
18. Microservices basics
19. Kafka or RabbitMQ basics
20. Redis basics

Freshers ke liye Java + Spring Boot + MySQL + Git + 2 projects enough ho sakta hai. But 2+ years experience hai to microservices, caching, message queues, testing, and deployment ka knowledge expected hoga.

Java Backend Salary in Chennai 2026

Salary company, skill, communication, notice period, aur interview performance pe depend karegi. But practical numbers kuch aise ho sakte hain:

• Fresher Java Backend Developer: ₹3.5 LPA to ₹6 LPA
• Good fresher with Spring Boot projects: ₹5 LPA to ₹8 LPA
• 1-2 years experience: ₹6 LPA to ₹10 LPA
• 3-5 years experience: ₹10 LPA to ₹18 LPA
• Product company Java backend: ₹14 LPA to ₹28 LPA
• Strong system design + cloud + microservices: ₹25 LPA+ possible

TCS, Infosys, Wipro, Cognizant type companies freshers ko often ₹3.5 LPA to ₹5.5 LPA range mein hire karte hain. Accenture, HCLTech, Capgemini role ke according ₹4 LPA to ₹7 LPA de sakte hain.

Zoho, Freshworks, Chargebee, PayPal, Walmart Global Tech jaise companies mein package higher ho sakta hai, but interview bhi tougher hota hai. Yahan DSA, design, problem-solving, and project depth check hota hai.

Python Backend Developer Jobs Chennai 2026#

Python ka demand Chennai mein steadily grow kar raha hai. Python backend roles Java ke comparison mein kam ho sakte hain, but quality roles kaafi interesting hote hain.

Python ka use hota hai:

1. Django web apps
2. FastAPI microservices
3. Flask APIs
4. Data processing backend
5. Automation tools
6. Internal dashboards
7. AI/ML support APIs
8. DevOps scripts
9. Testing frameworks
10. Cloud functions

Python roles especially startups, SaaS companies, analytics teams, AI product teams, and automation teams mein milte hain.

Python Skills Jo 2026 Mein Important Hain

Python backend ke liye ye skills strong hone chahiye:

1. Python fundamentals
2. OOP in Python
3. List, dict, set, tuple mastery
4. Decorators basics
5. Exception handling
6. Django or FastAPI
7. Flask basics
8. REST API development
9. PostgreSQL or MySQL
10. SQLAlchemy or Django ORM
11. Authentication, JWT
12. Celery basics
13. Redis basics
14. Docker
15. Git
16. Pytest
17. AWS basics
18. Logging and monitoring
19. API documentation with Swagger
20. Basic Linux commands

FastAPI demand 2026 mein kaafi grow karega because ye fast, clean, async-friendly framework hai. Django abhi bhi stable choice hai for full web apps and admin-heavy systems.

Python Backend Salary in Chennai 2026

Python backend salary ka range kuch aisa dekh sakte ho:

• Fresher Python Backend Developer: ₹3 LPA to ₹6 LPA
• Fresher with Django/FastAPI projects: ₹5 LPA to ₹8 LPA
• 1-2 years experience: ₹6 LPA to ₹11 LPA
• 3-5 years experience: ₹11 LPA to ₹20 LPA
• Python + cloud + data backend: ₹15 LPA to ₹28 LPA
• Python + AI backend + system design: ₹25 LPA+ possible

Razorpay, PhonePe, Paytm, Swiggy, Zomato jaise companies Chennai based roles ya remote/hybrid openings de sakte hain, especially backend, platform, payments, risk, fraud, data APIs mein. In companies mein Python alone enough nahi hota. DSA, databases, distributed systems, and debugging strong chahiye.

Java vs Python: Chennai Ke Liye Kaunsa Better Hai?#

Short answer: agar tu Chennai mein maximum job options chahta hai, Java safer hai. Agar tu fast development, startups, automation, AI backend side jaana chahta hai, Python strong hai.

Java Choose Karo Agar:

1. Tu service company ya enterprise company target kar raha hai
2. Banking, insurance, fintech backend mein interest hai
3. Long-term stable backend career chahiye
4. Spring Boot seekhne mein comfortable ho
5. Large codebase handle karna hai
6. Microservices and distributed systems mein jaana hai

Java ka benefit ye hai ki Chennai mein openings zyada milengi. Naukri, LinkedIn, Indeed pe “Java Spring Boot Chennai” search karoge to daily new jobs milenge.

Python Choose Karo Agar:

1. Tu startups ya product teams target kar raha hai
2. FastAPI, Django, APIs pasand hai
3. Automation and data backend mein interest hai
4. AI tools ke backend side ka kaam karna hai
5. Clean syntax and rapid development pasand hai
6. Tu cloud scripts and backend services mix karna chahta hai

Python ka drawback ye hai ki fresher roles limited ho sakte hain. Isliye projects strong hone chahiye. Sirf “Python basics” se shortlist mushkil hai.

Best Combo Kya Hai?

Agar time hai, primary ek language choose karo, secondary basic rakho.

Best combos:

1. Java + Spring Boot + SQL + AWS
2. Python + FastAPI + PostgreSQL + Docker
3. Java + Python scripting
4. Java backend + Kafka + Redis
5. Python backend + Celery + Redis + AWS

Bhai, ek mistake mat karna: Java, Python, Node.js, Go sab thoda-thoda likh ke resume bhar mat dena. Recruiter confuse ho jayega. Better hai ek clear identity banao: “Java Backend Developer” ya “Python Backend Developer”.

Skills Roadmap for Backend Developer Jobs in Chennai 2026#

Agar tu confused hai ki kya pehle seekhu, ye roadmap follow kar.

Step 1: Programming Language Strong Karo

Java route:

• OOP
• Collections
• Streams
• Exception handling
• Basic multithreading
• File handling
• Java 8 features

Python route:

• Data types
• Functions
• OOP
• Modules
• Virtual environments
• Decorators
• Error handling
• Async basics

Goal: syntax ratna nahi, logic build karna.

Step 2: Database Seekho

Backend developer bina database ke incomplete hai. SQL must-have hai.

Seekho:

1. Tables, rows, columns
2. Primary key, foreign key
3. Joins
4. Indexes
5. Group by
6. Transactions
7. Normalization basics
8. Query optimization basics

MySQL ya PostgreSQL dono fine hain. Product companies PostgreSQL ko kaafi prefer karti hain.

Practice questions:

• User table design karo
• Order table design karo
• Payment status track karo
• Top 10 customers nikaalo
• Failed transactions list karo
• Last 30 days revenue calculate karo

Step 3: REST APIs Banao

APIs backend ka daily kaam hai. Tumhe pata hona chahiye:

1. GET, POST, PUT, PATCH, DELETE
2. Status codes, 200, 201, 400, 401, 403, 404, 500
3. Request body
4. Query params
5. Path params
6. Headers
7. JWT authentication
8. Pagination
9. Sorting and filtering
10. API versioning

Ek simple API project banao, but proper bana.

Example project: Job Application Tracker API

Features:

• User signup/login
• Add job application
• Update application status
• Filter by company
• Filter by role
• Resume upload metadata
• Email reminder mock
• Admin view

Ye project resume mein kaafi relevant lagega because job platform domain se related hai.

Step 4: Git and GitHub

Git basics nahi aata to interview mein awkward ho jayega. Minimum ye commands aane chahiye:

1. git init
2. git clone
3. git status
4. git add
5. git commit
6. git push
7. git pull
8. git branch
9. git checkout
10. git merge

GitHub pe clean README likho. Project ka setup, API endpoints, screenshots, tech stack, database schema mention karo.

Step 5: Testing Seekho

Backend developer ke liye tests important hain. Service company mein ignore hota hai kabhi-kabhi, but product company mein tests dekhenge.

Java:

• JUnit
• Mockito
• Spring Boot Test

Python:

• Pytest
• unittest
• API testing

Basic tests likho:

• Service method test
• API endpoint test
• Invalid input test
• Database save test
• Auth failure test

Step 6: Docker and Cloud Basics

2026 mein Docker basics must-have ho chuka hai. Advanced DevOps nahi chahiye, but basic containerization samjho.

Seekho:

1. Dockerfile
2. docker build
3. docker run
4. docker-compose
5. Environment variables
6. Ports
7. Logs
8. Basic deployment flow

AWS basics:

• EC2
• S3
• RDS
• IAM basics
• CloudWatch basics

Agar tu resume mein “AWS” likhta hai, to EC2 pe app deploy karke dikha paana chahiye. Warna interviewer pakad lega.

Resume Keywords for Backend Developer Chennai Jobs#

ATS software pehle resume scan karta hai. Agar resume mein right keywords nahi hain, recruiter tak pahunchne se pehle hi reject ho sakta hai.

Java backend ke liye keywords:

• Java
• Spring Boot
• Spring MVC
• REST API
• Microservices
• Hibernate
• JPA
• MySQL
• PostgreSQL
• Maven
• JUnit
• Mockito
• Docker
• AWS
• Kafka
• Redis
• Git
• CI/CD
• Agile
• Unit Testing

Python backend ke liye keywords:

• Python
• Django
• FastAPI
• Flask
• REST API
• PostgreSQL
• MySQL
• SQLAlchemy
• Django ORM
• Celery
• Redis
• Pytest
• Docker
• AWS
• Git
• JWT
• API Authentication
• Swagger
• Linux
• Microservices

But bhai, fake keywords mat daalna. Agar Kafka resume mein likha aur interviewer ne poocha “consumer group kya hota hai?” to phas jaoge.

Resume Bullet Examples

Weak bullet:

• Worked on backend development.

Strong bullet:

• Built REST APIs using Spring Boot for order management module, reducing manual status updates by 40%.

Weak bullet:

• Used Python and database.

Strong bullet:

• Developed FastAPI service with PostgreSQL for job application tracking, supporting filtering, pagination, and JWT-based authentication.

Weak bullet:

• Did bug fixing.

Strong bullet:

• Fixed API timeout issue by optimizing SQL joins and adding indexes, reducing response time from 2.8 seconds to 700 ms.

Numbers add karo. Impact dikhao. Recruiter ko samajhna chahiye ki tumne actual kaam kiya hai.

Projects Jo Chennai Backend Interviews Mein Help Karenge#

Projects boring nahi hone chahiye. “Library Management System” sabne banaya hai. Thoda real-world banao.

Project 1: Food Delivery Backend

Swiggy/Zomato style simple backend.

Features:

1. User login
2. Restaurant list
3. Menu items
4. Cart
5. Order placement
6. Payment status mock
7. Delivery status
8. Reviews
9. Admin add menu
10. Order history

Tech stack:

• Java Spring Boot or Python FastAPI
• PostgreSQL
• Redis for cache
• JWT auth
• Docker
• Swagger docs

Project 2: Payment Wallet API

Paytm/PhonePe type mini wallet system.

Features:

1. User wallet
2. Add money
3. Transfer money
4. Transaction history
5. Failed transaction handling
6. Balance validation
7. Daily transaction limit
8. Admin report

Important concepts:

• Transactions
• Race condition basics
• Database locking basics
• Error handling
• Security

Ye project fintech companies mein kaafi useful hoga.

Project 3: Job Portal Backend

JobRise type job backend.

Features:

1. Candidate signup
2. Recruiter signup
3. Job posting
4. Job search
5. Apply job
6. Application status
7. Resume metadata
8. Skills matching
9. Admin dashboard
10. Email notification mock

Resume mein directly relevant lagega.

Project 4: Inventory Management API

Manufacturing and retail companies ke liye useful.

Features:

1. Product catalog
2. Stock update
3. Purchase order
4. Supplier management
5. Low stock alert
6. Sales report
7. Role-based access

Chennai mein manufacturing tech aur enterprise clients ke liye ye project relatable hai.

Interview Preparation: Kya Poochenge?#

Chennai backend interviews mein rounds company ke hisaab se vary karte hain. Service companies mein technical + managerial + HR. Product companies mein DSA + backend design + project deep dive + hiring manager.

Java Interview Questions

Common questions:

1. OOP principles explain karo
2. ArrayList vs LinkedList
3. HashMap internally kaise work karta hai?
4. equals and hashCode kya hai?
5. Exception handling types
6. Java 8 streams kya hain?
7. Spring Boot auto-configuration kya hai?
8. @RestController vs @Controller
9. @Service, @Repository, @Component difference
10. JPA lazy vs eager loading
11. Transaction management kya hai?
12. How to handle global exceptions?
13. How to secure APIs?
14. Microservices mein service discovery kya hota hai?
15. Kafka use case kya hai?

Python Interview Questions

Common questions:

1. List vs tuple
2. Dict ka internal working basics
3. Decorators kya hote hain?
4. Generator kya hota hai?
5. Global Interpreter Lock basics
6. Django vs FastAPI
7. ORM kya hai?
8. Middleware kya hota hai?
9. JWT authentication kaise work karta hai?
10. Async in Python kya hota hai?
11. Celery ka use kya hai?
12. Pytest kaise use karte ho?
13. API error handling kaise karte ho?
14. SQL injection kya hota hai?
15. Dependency injection in FastAPI basics

Database Questions

Backend interview mein SQL pakka aayega.

Prepare karo:

1. Joins
2. Indexes
3. Transactions
4. ACID properties
5. Normalization
6. Deadlock basics
7. Query optimization
8. Pagination
9. Foreign keys
10. Unique constraints

Example question: “Order table slow hai, kaise optimize karoge?”

Good answer:

• Query plan check karunga
• Indexes verify karunga
• Unnecessary joins remove karunga
• Pagination add karunga
• Frequently used data cache karunga
• Table size aur partitioning consider karunga
• N+1 query issue check karunga

DSA Kitna Important Hai?

Service companies mein basic DSA enough ho sakta hai. Product companies mein DSA important hai.

Must practice:

1. Arrays
2. Strings
3. HashMap
4. Two pointers
5. Sliding window
6. Stack
7. Queue
8. Linked list basics
9. Recursion basics
10. Binary search
11. Trees basics
12. Sorting
13. Graph basics for higher roles

Freshers ke liye 100-150 good problems enough hain if properly revised. 2-4 years experience wale candidates ko medium-level problems practice karne chahiye.

Where to Find Backend Developer Jobs in Chennai#

Random apply karna band karo. Smart apply karo.

Best Platforms

1. LinkedIn Jobs
2. Naukri
3. Instahyre
4. Wellfound
5. Cutshort
6. Hirist
7. Company career pages
8. Referrals
9. GitHub and Twitter/X networking
10. JobRise.io

Chennai Companies to Track

Service and IT:

• TCS
• Infosys
• Wipro
• Cognizant
• HCLTech
• Accenture
• Capgemini
• Tech Mahindra
• LTIMindtree

Product and SaaS:

• Zoho
• Freshworks
• Chargebee
• Kissflow
• PayPal
• Comcast
• Walmart Global Tech
• Ford
• Barclays
• Standard Chartered

Indian tech companies with Chennai or remote roles:

• Razorpay
• Swiggy
• Zomato
• Paytm
• PhonePe
• Meesho
• Groww

Apply Strategy Jo Actually Kaam Karti Hai

1. Daily 10 targeted applications
2. Resume customize for Java/Python role
3. LinkedIn recruiter ko short message
4. Referral ask karo
5. Job description ke keywords match karo
6. Same resume har jagah mat bhejo
7. GitHub link add karo
8. Project README clean rakho
9. Notice period clearly mention karo
10. Salary expectation realistic rakho

Recruiter message example:

“Hi [Name], I saw your opening for Java Backend Developer in Chennai. I have experience with Spring Boot, REST APIs, PostgreSQL, Docker, and AWS basics. I’ve built a payment wallet API project with transaction handling. Can I share my resume for this role?”

Short, clear, no begging.

Fresher Backend Developer Ke Liye Plan#

Agar tu fresher hai, ye 90-day plan follow kar.

Days 1-20: Basics

• Java or Python choose karo
• OOP strong karo
• SQL daily practice karo
• Git basics seekho
• 20 coding problems solve karo

Days 21-45: Framework

Java:

• Spring Boot
• REST APIs
• JPA
• MySQL/PostgreSQL

Python:

• FastAPI or Django
• REST APIs
• PostgreSQL
• Authentication

Ek mini project banao.

Days 46-70: Real Project

Ek strong backend project banao:

• Auth
• CRUD
• Database
• Validation
• Error handling
• Pagination
• Swagger
• Tests
• Docker

GitHub pe push karo.

Days 71-90: Apply and Interview

• Resume improve karo
• LinkedIn update karo
• 100 targeted applications
• 30 recruiter messages
• 50 DSA problems
• 20 SQL questions
• 10 mock interviews
• Project explanation practice

Agar ye sincerely karoge, shortlist chances kaafi improve honge.

Experienced Developers Ke Liye Switch Strategy#

Agar tu 2-5 years experience wala backend developer hai aur Chennai mein better package chahiye, then sirf technology list se kaam nahi chalega. Impact dikhana padega.

Resume mein ye points highlight karo:

1. APIs handled traffic of X requests/day
2. Response time improved by X%
3. Database query optimized by X%
4. Reduced production bugs by X%
5. Migrated monolith to microservices
6. Integrated payment gateway
7. Built retry mechanism
8. Added caching using Redis
9. Implemented Kafka consumer
10. Improved test coverage

Salary jump ke liye:

• Current ₹6 LPA hai to ₹10-12 LPA target realistic
• Current ₹10 LPA hai to ₹15-18 LPA possible
• Current ₹15 LPA hai to ₹22-28 LPA possible with product company
• Current ₹20 LPA+ hai to system design strong karna mandatory

Notice period bhi major factor hai. 90 days notice period Chennai market mein common hai, but product companies immediate to 30 days candidates prefer karti hain. Agar notice long hai, early apply karo and serving notice status update karo.

Common Mistakes Jo Shortlist Rokti Hain#

Backend job search mein log same galti repeat karte hain.

Mistake 1: Resume Generic Hai

“Looking for challenging role where I can grow” type objective hatao. Recruiter ko skill match chahiye.

Better summary:

“Backend Developer skilled in Java, Spring Boot, REST APIs, PostgreSQL, Docker, and AWS basics. Built order management and wallet API projects with JWT auth, transaction handling, and unit tests.”

Mistake 2: Projects Sirf Naam Ke Hain

Project GitHub pe hai, but README empty. API run nahi hoti. Database script missing. Ye sab red flag hai.

Mistake 3: SQL Weak Hai

Backend developer SQL weak nahi rakh sakta. Interview mein joins aur indexes pe atak gaye to reject.

Mistake 4: Resume ATS Friendly Nahi Hai

Fancy Canva resume, columns, icons, images, skill bars, ye sab ATS mein fail ho sakta hai. Simple format rakho.

Mistake 5: Job Description Padhe Bina Apply

Agar JD Spring Boot maang raha hai aur resume mein sirf “Java” likha hai, ATS reject kar sakta hai. Keywords match karo.

Mistake 6: Communication Practice Nahi

Technical aata hai but explain nahi kar pa rahe ho, to problem hogi. Project ko 2-minute story mein explain karna seekho.

Chennai Backend Jobs 2026: Final Advice#

Backend developer jobs Chennai mein 2026 mein strong rahenge, especially Java and Python roles. But competition high hai, so average resume, weak projects, and random apply strategy se result slow aayega.

Agar tu Java choose karta hai, Spring Boot, SQL, REST APIs, testing, Docker, and AWS basics pakka karo. Agar Python choose karta hai, FastAPI/Django, PostgreSQL, Redis, Celery, Docker, and API security pe focus karo.

One clear identity banao:

• “Java Spring Boot Backend Developer”
• “Python FastAPI Backend Developer”
• “Backend Developer with Java, SQL, AWS”
• “Python Backend Developer for APIs and Automation”

Aur haan, resume ATS-friendly banana non-negotiable hai. Chennai ke recruiters daily hundreds resumes dekhte hain. Agar resume scanner mein hi fail ho gaya, to skills hone ke baad bhi call nahi aayega.

Apna resume check karna hai ki ATS pass karega ya nahi? JobRise ka free ATS checker use karo: Free ATS Resume Checker