Remote Java Platform Engineer - Open Source Core Builder

YO IT Consulting; Abu Dhabi Emirate; On-site; AED 201,000 - 391,000; Full time

Job summary

YO IT Consulting is seeking a Java Platform Engineer to contribute to open-source codebases from a remote context. The role emphasizes integration with existing modules, APIs, tests, and release practices while maintaining clean interfaces and performance.

You will collaborate with maintainers and review others' contributions, primarily using Java, with occasional C/Python/Go/TypeScript/Rust review. The contractor engagement offers remote flexibility, exposure to high-volume systems, and

Qualifications

• Strong commercial Java development experience and familiarity with open-source contribution or collaborative repository workflows.
• Experience working on distributed, high-volume, multi-module, or performance-sensitive systems.
• Knowledge of algorithms, data structures, concurrency, testing, debugging, profiling, and software architecture.

Responsibilities

• Examine repository structure, module relationships, dependencies, and build configuration.
• Select open issues or approved requirements and define an appropriate technical approach.
• Develop maintainable Java libraries, services, utilities, and platform components.
• Design algorithms that satisfy functionality, scale, and runtime expectations.
• Preserve existing API contracts while extending project capabilities.
• Apply modular and object-oriented practices suited to the surrounding codebase.
• Reproduce defects using clear test cases and reliable diagnostic evidence.
• Interpret stack traces, logs, thread behaviour, and test failures to isolate root causes.
• Correct concurrency problems, integration failures, logic defects, and compatibility concerns.
• Profile Java Virtual Machine activity and improve inefficient execution where justified.
• Refactor complex modules without changing intended public behaviour.
• Strengthen exception management, input validation, and failure recovery.
• Create unit tests, integration tests, and regression coverage for code changes.
• Confirm builds, dependency checks, and automated quality controls before submission.
• Submit well-scoped pull requests that explain implementation decisions and validation results.
• Respond to maintainer questions and update changes during collaborative review.
• Evaluate other contributors' code for correctness, performance, security, and maintainability.
• Share constructive recommendations during technical and architectural discussions.
• Update API documentation, configuration references, examples, and setup instructions.
• Improve contributor guidance and knowledge-transfer material for ongoing project support.

Skills

Java

Open-source repositories

Java Virtual Machine

Object-oriented architecture

Modular software design

API compatibility

Concurrent programming

Distributed applications

Algorithms and data structures

Stack-trace analysis

Performance profiling

Defect resolution

Exception handling

Code modernization

Unit and integration testing

Maven

Gradle

Git

Pull-request review

Technical documentation

C

Python

Go

TypeScript

Rust

Tools

Maven

Gradle

Git

Job description

YO IT Consulting is seeking a Java Platform Engineer to contribute to open-source codebases from a remote context. The role emphasizes integration with existing modules, APIs, tests, and release practices while maintaining clean interfaces and performance.

You will collaborate with maintainers and review others' contributions, primarily using Java, with occasional C/Python/Go/TypeScript/Rust review. The contractor engagement offers remote flexibility, exposure to high-volume systems, and