Principal Java Developer

Ndeavour(2 months ago)

HybridFull TimeSenior$151,357 - $201,883 (estimated)Mobile Wave Solutions

About this role

The Principal Java Developer at Mobile Wave Solutions is responsible for modernizing a complex ecosystem by transforming legacy systems into modular, scalable microservices. This hands-on, architecture-focused role involves driving architectural decisions, leading modernization efforts using Spring Boot (Java/Kotlin), defining engineering standards, and mentoring mid-level engineers. The position requires extensive experience in microservices architecture, cloud deployments (AWS), and a strong understanding of REST APIs, while contributing to CI/CD workflows and collaborating with cross-functional teams.

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Required Skills

Java
Kotlin
Spring Boot
Microservices
API Design
Architectural Decisions
System Thinking
Mentoring
CI/CD
AWS

+7 more

Qualifications

7+ years of professional Java/Kotlin experience
Expertise with Spring Boot
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

About Ndeavour

ndeavour.eu

Ndeavour is a recruitment and career counseling company based in Sofia, Bulgaria, dedicated to empowering professionals by facilitating their job search and career growth. With over a decade of experience, Ndeavour provides tailored job opportunities and guidance to help individuals navigate their professional journeys. The company prides itself on maintaining strong principles of confidentiality, agility, and transparency, ensuring that clients receive personalized support that meets their unique needs.