Java Back-end Developer
- Portray People
- 5 Positions
- Bengaluru
- 17 days ago
- Email to a friend
- Report this job
Job Description
- OOP Concepts Abstraction, Encapsulation, Inheritance, Polymorphism.
- String Manipulations Immutable nature of Strings, StringBuilder, String Buffer, regex.
- Data Manipulations Parsing, converting between data types, formatting.
- Collections List, Set, Map; key implementations like ArrayList, HashMap, HashSet, TreeMap.
- Streams & Lambda Expressions Functional programming, filter/map/reduce operations.
- Exceptions Checked vs Unchecked, custom exceptions, best practices.
- Hashmaps & Arraylists Internal workings, time complexity, collision resolution in HashMap.
- Dependency Injection Constructor vs Setter injection, auto wiring.
- Autoconfiguration How Spring Boot auto-configures beans, conditional annotations.
- Authentication/Authorization Spring Security basics (JWT, OAuth2, role-based access).
- Gradle/Maven Dependency management, build lifecycle, custom plugins.
- Logging SLF4J, Log back, logging configuration via YAML or application. Properties.
- Cache Using @Cacheable, cache providers (Ehcache, Redis).
- JPA / Hibernate Entity mappings, relationships, lazy vs eager loading, criteria queries.
- SQL Joins, subqueries, indexes, normalization, stored procedures.
- Garbage Collection Types, GC logs, tuning.
- Class Loaders Bootstrap, Extension, Application.
- JVM, JDK, JRE Their differences and roles.
- Heap vs Stack Memory What goes where, memory leaks.
- Practice on platforms like:
- LeetCode
- HackerRank
- GeeksForGeeks
- Focus on:
- Algorithms (sorting, searching)
- Data Structures (trees, graphs, stacks, queues)
- Time and space complexity
Role: Java backend Developer
Exp: 6- 10 Years
Location: Mumbai (Goregaon) and Bangalore (Bellandur)
Notice Period: 0-60 Days
Skills Required
Core Java (Must-Know Topics)
Spring Boot and Ecosystem
Persistence
Core Java Concepts
Problem Solving & Logical Thinking
Share your CV at ni*********i@po**********e.com
Employement Category:
Employement Type: Full timeIndustry: IT Services & Consulting
Role Category: Application Programming / Maintenance
Functional Area: Not Specified
Role/Responsibilies: Java Back-end Developer
Contact Details:
Company: Portray PeopleLocation(s): Bengaluru
+ View Contact
Fraud Alert to job seekers!
₹ 6 to 10 Yr
Similar positions
Job Listings
We are in open beta version of website, please let us know if any issues, at: info(at)indigojobs.in