Senior Java Developer

Agileengine — Romania · Posted ~3 weeks ago

Senior Full-time

Skills

Java 11+ Spring Boot microservices REST APIs PostgreSQL MongoDB JUnit Mockito performance optimization backend development

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Summary ✨ AI‑Generated

An international software engineering organization is seeking a senior Java developer to build and maintain scalable backend services and APIs. The role focuses on Java 11+, Spring Boot, microservices, PostgreSQL, MongoDB, automated testing, performance optimization, and close collaboration with product, frontend, and QA teams.

Highlights

Build highly scalable and secure backend services for an international engineering team, with opportunities to work across modern Java, microservices, databases, automated testing, and performance optimization.

Description

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE We are looking for a Senior Java Developer to design, build, and maintain highly scalable and secure backend services and APIs for an international engineering team. You will work across Java 11+ and Spring Boot in a microservices architecture, optimize PostgreSQL and MongoDB database schemas, implement automated testing with JUnit and Mockito, and collaborate closely with frontend, product, and QA teams to deliver production-ready features. The role requires expert-level Java knowledge with strong performance optimization and code quality standards. WHAT YOU WILL DO - Design, build, and maintain highly scalable, secure, and reliable backend services and APIs; - Translate application storyboards and use cases into functional, production-ready applications; - Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues; - Collaborate closely with frontend developers, product managers, and QA to deliver end-to-end features; - Participate in peer code reviews to ensure code quality and adherence to best practices; - Maintain and optimize database schemas, queries, and overall data architecture. MUST HAVES - 4+ years of professional backend software development experience; - Expert-level knowledge of Java 11+ and deep familiarity with the Spring/Spring Boot ecosystem; - Broad knowledge of backend architecture, Microservices, and RESTful APIs; - Superior analytical and problem-solving ability; - Experience with automated unit testing and test-driven development using JUnit and Mockito; - Robust understanding of performance issues, computational complexity, memory management, and code optimization; - Familiarity with industry-standard algorithms, design patterns, and PostgreSQL, MongoDB, or other relational/NoSQL databases; - Effective communication skills to work with different teams across an international company; - Upper-intermediate English level. PERKS AND BENEFITS - Professional growth: Mentorship, TechTalks, and personalized growth roadmaps. - Competitive compensation: USD-based pay with education, fitness, and team activity budgets. - Exciting projects: Modern solutions with Fortune 500 and top product companies. - Flextime: Flexible schedule with remote and office options. Meet Our Recruitment Process Application → Coding Challenge → Video Interview → Technical Interview or Hiring Manager Interview Each step helps us understand your skills and overall fit. If it’s a match, you’ll receive an offer.