Full-time Onsite Engineering - Backend Posted 4 days ago

Java Backend Engineer

Helix Systems 4.2 · 980 reviews · Noida
JavaSpring BootMySQLMicroservices
6 - 12 LPA
1-4 years
Noida · Onsite
Posted 4 days ago
The role

About this opening

Design REST services, optimize queries, and participate in code reviews with a product engineering team.

Day to day

Roles and responsibilities

1

Design REST services

2

Optimize SQL

3

Review PRs with the squad

Who they want

Requirements

  • Java and Spring Boot
  • MySQL
  • Microservices basics

Education: B.E / B.Tech in CS or related

Stack

Key skills

JavaSpring BootMySQLMicroservices
Employer

About Helix Systems

Helix Systems delivers enterprise Java platforms for logistics and ERP.

IT Services & Consulting 1001-5000 employees Engineering - Backend
Before you apply

Prepare these questions for this role

Walk through the stack this job lists, then send your resume. Mentors can also run a mock round if you are enrolled.

1 Easy JVM Backend

What is the JVM and why do Java programs run on it?

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Simple meaning

The JVM is a virtual machine that executes Java bytecode, so the same compiled class files can run on any OS that ships a JVM.

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2 Easy Data Types Python

What are Python's main built-in data types?

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Simple meaning

Python ships with numeric types (int, float, complex), sequences (str, list, tuple, range), mappings (dict), sets (set, frozenset), booleans, bytes/bytearray, and None.

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4 Easy Data Types Python

How does a list differ from a tuple?

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Simple meaning

A list is a mutable ordered sequence, so you can append, pop, and assign by index.

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5 Easy JVM Backend

What is bytecode in Java and where is it stored?

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Simple meaning

Bytecode is the platform-neutral instruction set produced by javac and stored in .class files.

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