Youraj Singh - Java Developer

Overview

Java developer (Middle) specializing in algorithm and data structure problem solving. The strongest proven skill is implementing efficient algorithms, for example the merge-sort index technique in Leetcode-problem/0315-count-of-smaller-numbers-after-self/0315-count-of-smaller-numbers-after-self.java. There is no evidence of backend production artifacts such as APIs, databases, deployment, security, tests, or observability in the public code.

Technical skills

Java

JavaScript

Python

Java

Spring Boot

Databases

MySQL

DevOps

GitHub

Middle Backend Developer Confidence: Medium Generalist

Java developer (Middle) specializing in algorithm and data structure problem solving. The strongest proven skill is implementing efficient algorithms, for example the merge-sort index technique in Leetcode-problem/0315-count-of-smaller-numbers-after-self/0315-count-of-smaller-numbers-after-self.java. There is no evidence of backend production artifacts such as APIs, databases, deployment, security, tests, or observability in the public code.

API Design

How well APIs are designed

Not evidenced in public code

Data Layer & Database

Working with databases

Not evidenced in public code

Scalability & Performance

2/10

Handling load and speed

Algorithmic performance awareness is present via optimized algorithm implementations, but there are no system-level scalability patterns such as caching, queueing, or measured optimizations for production services.

Evidence

Leetcode-problem/0085-maximal-rectangle/0085-maximal-rectangle.java: histogram + stack largestRectangle O(n) solution

Leetcode-problem/0315-count-of-smaller-numbers-after-self/0315-count-of-smaller-numbers-after-self.java: merge sort with index tracking to count smaller elements in O(n log n)

System Architecture

Overall system structure

Not evidenced in public code

Security & Auth

Protecting data and access

Not evidenced in public code

Reliability & Observability

Stability and monitoring

Not evidenced in public code

Expertise

Java• Middle

Technologies

Java• Middle

Spring Boot

Stack• mentioned only

Recommendations

Work on algorithm-heavy components and libraries in Java such as ranking, search, and in-memory data processing utilities where algorithmic efficiency matters.
Contribute to coding interview platforms, problem sets, or educational material to leverage and showcase algorithmic solutions and explanations.
Implement small backend services in Java that wrap algorithmic modules (for example simple REST endpoints with accompanying unit tests and CI) to demonstrate production-readiness.
Add unit tests, basic CI configuration, and simple observability (structured logs and basic metrics) to show end-to-end reliability for production use.

Repositories

The developer's experience in this domain has been verified based on AI analysis of the following repositories:

Leetcode-problem yourajsinghrajput