BitBang - Senior Java Developer

Developer is needed in El Sheikh Zayed, Egypt.

Client: BitBang

Location: El Sheikh Zayed, GZ, eg

Contract: Freelance

Job Description

BitBang is seeking an experienced and highly skilled Senior Java Developer to join our Backend Engineering team. This position is ideal for developers with 5+ years of professional Java experience who are passionate about building robust, scalable, and high-performance backend systems. As a senior team member, you will take ownership of backend architecture, mentor junior developers, and play a key role in designing and implementing enterprise-grade software solutions that power our digital platforms.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of backend development experience, with strong proficiency in Java (Java 11+).
• Hands-on experience with Spring Boot, Hibernate/JPA, RESTful APIs, and Microservices architecture.
• Solid understanding of Object-Oriented Programming (OOP), design patterns, and software engineering principles.
• Experience with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
• Familiarity with Docker, Kubernetes, and CI/CD pipelines (e.g., Jenkins, GitHub Actions).
• Strong problem-solving and analytical skills with a focus on clean, efficient solutions.
• Excellent communication skills and the ability to collaborate in a cross-functional team environment.

Key Responsibilities

Backend Architecture & Development

• Design, develop, and maintain scalable backend services and APIs using Java (Spring Boot, Hibernate, and related frameworks).
• Architect microservices-based systems that ensure modularity, performance, and ease of maintenance.
• Integrate third-party services, APIs, and databases efficiently and securely.
• Implement asynchronous processing, caching, and multi-threading to optimize application performance.
• Collaborate closely with front-end developers to design seamless, efficient communication between systems.

Code Quality & Testing

• Write clean, modular, and well-documented code following industry best practices.
• Develop and execute unit, integration, and performance tests using JUnit or TestNG.
• Participate in peer code reviews to ensure code consistency, maintainability, and scalability.
• Continuously improve application reliability through automated testing and CI/CD practices.

Leadership & Mentorship

• Provide technical mentorship and guidance to junior and mid-level developers.
• Collaborate with the Backend Lead to establish development standards, coding guidelines, and architectural principles.
• Participate in technical discussions and decision-making processes that shape backend strategy and best practices.
• Promote a learning culture by conducting internal workshops and knowledge-sharing sessions.

Performance Optimization & Troubleshooting

• Monitor and tune application performance using profiling and monitoring tools (e.g., JProfiler, Prometheus, Grafana).
• Identify bottlenecks, memory leaks, and other system inefficiencies and resolve them proactively.
• Lead incident response and root cause analysis for critical production issues.

Agile Development

• Actively contribute to Agile ceremonies—planning, stand-ups, sprint reviews, and retrospectives.
• Work collaboratively with product owners, QA, DevOps, and design teams to deliver on sprint commitments.
• Ensure timely delivery of high-quality, production-ready code.
• Anticipate and mitigate risks during the development lifecycle.

Continuous Learning & Innovation

• Stay updated with the latest Java ecosystem developments, frameworks, and tools.
• Research and propose innovative solutions to improve performance, security, and maintainability.
• Contribute to open discussions on architectural enhancements and scalability strategies.
• Drive continuous improvement initiatives across the backend engineering function.

Work Environment

• Working Hours: Flexible start time between 8:00 AM and 10:00 AM. Core hours from 10:00 AM to 4:00 PM, Sunday to Thursday.
• Working Model: Hybrid – combining remote flexibility with on-site collaboration.
• Culture: Agile, innovative, and results-oriented environment that values ownership, transparency, and teamwork.
• Tools & Resources: Access to modern backend development tools, cloud infrastructure, and automated deployment pipelines.

Benefits

• Competitive salary with performance-based bonuses
• Comprehensive social, health, and life insurance
• Flexible working hours and a hybrid model
• Transportation allowance
• Continuous opportunities for career growth and professional development