Senior Software Engineer - Java

Posted 2 days ago

Only freelancers located in the U.S. may apply.U.S. located freelancers only

Summary

We are looking for an experienced Senior Software Engineer with strong expertise in Java to help design, develop, and enhance scalable, high-quality software applications. The ideal candidate has extensive hands-on experience with modern Java development, backend architecture, APIs, databases, and production-grade systems. Responsibilities - Design, develop, test, and maintain robust Java applications. - Build scalable backend services and RESTful APIs. - Develop solutions using Java, Spring Boot, and related frameworks. - Design and work with microservices and distributed systems. - Write clean, maintainable, efficient, and well-tested code. - Troubleshoot performance issues and production defects. - Work with relational and/or NoSQL databases. - Participate in architecture and technical design decisions. - Perform code reviews and recommend engineering best practices. - Collaborate with our team to translate business requirements into reliable technical solutions. Required Skills - 7+ years of professional software development experience. - Strong expertise in Java and object-oriented programming. - Extensive experience with Spring Boot / Spring Framework. - Strong experience building REST APIs and microservices. - Knowledge of SQL and database design. - Experience with Git and modern software development workflows. - Strong understanding of data structures, design patterns, and software architecture. - Experience writing unit and integration tests. - Ability to diagnose and resolve complex technical problems. - Strong written and verbal communication skills. Preferred Skills Experience with any of the following is a plus: - AWS, Azure, or Google Cloud - Docker and Kubernetes - Kafka or other messaging/event-streaming platforms - PostgreSQL, MySQL, MongoDB, or similar databases - CI/CD pipelines - Maven or Gradle - Hibernate / JPA - Redis - High-volume or distributed applications What We're Looking For We are looking for a senior-level engineer who can work independently, understand existing systems quickly, and contribute to both implementation and technical decision-making. You should be comfortable taking ownership of features from design through deployment.

  • More than 30 hrs/week
    Hourly
  • 6+ months
    Duration
  • Expert
    Experience Level
  • Remote Job
  • Complex project
    Project Type
Skills and Expertise
Mandatory skills
Java
Spring Framework
Nice-to-have skills
Core Java
Jakarta EE
Activity on this job
  • Proposals:50+
  • Last viewed by client:2 days ago
  • Interviewing:
    3
  • Invites sent:
    0
  • Unanswered invites:
    0
About the client
Member since Aug 10, 2026
  • United States
    9:13 AM

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