Senior Java Developer

Mobile Wave Solutions is a professional services company specializing in software development as a service. We partner with global organizations to build scalable, high-quality platforms and modern digital systems. With a growing team of 120+ engineers, we empower businesses to innovate through strong engineering culture, modern technologies, and delivery excellence.

Role Overview

We are looking for a Senior Java Developer to join our Platform Team and take ownership of modernizing a complex ecosystem. This is a hands-on, architecture-minded role focused on transforming legacy systems into modular, scalable microservices.

You will be deeply involved in rewriting core components, designing new system patterns, and setting engineering standards. Senior-level autonomy, strong system thinking, and a passion for clean architecture are essential.

Key Responsibilities

• Drive architectural decisions and own large components of the platform.
• Lead modernization efforts: monolith decomposition, refactoring, API redesign.
• Build robust, scalable microservices using Spring Boot (Java/Kotlin).
• Define engineering standards, coding practices, and platform-wide conventions.
• Review, refactor, and improve both human-written and AI-generated code.
• Ensure maintainability, performance, testability, and scalability of all services.
• Advocate for clean API design, BFF layers, and modular architecture.
• Collaborate with cross-functional teams to design end-to-end solutions.
• Mentor mid-level engineers and guide AI agents to produce reliable code.
• Contribute to CI/CD workflows, automation, and cloud deployments (AWS).

Qualifications

• 5+ years of professional Java/Kotlin experience.
• Expertise with Spring Boot and comfort with older Spring MVC systems.
• Strong experience designing and building microservices architectures.
• Knowledge of event-driven systems (Kafka or similar).
• Deep understanding of REST APIs, integration layers, and API gateways.
• Strong database knowledge: PostgreSQL / MySQL / Aurora.
• Proficient in unit, integration, and contract testing.
• Experience with AWS (Fargate, EKS, Lambda).
• Solid CI/CD experience, ideally GitHub workflows.
• Ability to mentor others and collaborate in a modern engineering ecosystem.

Cultural Fit

• Autonomous and confident owning complex architecture.
• Thrives in modernization and large-scale system transformation.
• Comfortable navigating ambiguity and defining standards from scratch.
• Able to identify when AI-generated code needs rewriting or rearchitecting.

Our Benefits

• Remote / Hybrid work options
• Private Health Insurance, including dental
• Free Parking
• Fun Office Space – game zone + relaxation area
• Annual Holidays Boost – +5 extra days after year 1 and year 5
• Company-sponsored training & certifications
• Employee referral bonuses
• Social & team events
• Family insurance coverage options
• Fully covered Multisport Card