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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Java Developer - **Company:** Spectraforce - **Location:** Pleasanton, CA, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Clean Code Principles, Java (Programming Language), Spring Security, Amazon Web Services, Unit Testing, Microsoft Azure, Code Review, Databases, Continuous Integration, Relational Databases, Software Debugging, Software Design Patterns, DevOps, Gradle, Hibernate (Java), HP Systems Insight Manager, Java Persistence API, Spring Framework, Junit, PostgreSQL, Apache Maven, MongoDB, MySQL, NoSQL, Oracle (Applications), Performance Tuning, Scrum Methodology, Query Optimization, Queueing Systems, RabbitMQ, Redis, Mockito, SQL Stored Procedures, Datadog, Spring-mvc, Spring-boot, Software Security, Indexer, Backend, Git, Spring Data, Event Driven Architecture, Containerization, Gitlab-ci, Solid Principles, Kubernetes, Information Technology, Cassandra, Apache Kafka, Build Tools, Front End Software Development, Restful APIs, Splunk, New Relic (SaaS), Software Version Control, Docker, Jenkins, Microservices - **Published:** September 5, 2026 - **Apply:** http://leoforce.us/Careers/Spectraforce/JobDetails.html?jobid=bf56be67-b8ee-41d4-ac70-4e962b499db5&OrgId=1&UserId=1767 ## About the Role * 10+ years of professional experience in Java development * Strong hands-on experience with Spring Boot, Spring Framework (Spring MVC, Spring Data, Spring Security) * Proven experience designing and building microservices architecture * Strong expertise in relational databases (e.g., MySQL, PostgreSQL, Oracle) - schema design, query optimization, indexing * Experience with NoSQL databases (e.g., MongoDB, Redis, Cassandra) is a plus * Solid understanding of RESTful API design and development * Experience with ORM frameworks (Hibernate/JPA) * Proficiency in build tools (Maven/Gradle) and version control (Git) * Experience with unit testing frameworks (JUnit, Mockito) and TDD practices * Familiarity with containerization and orchestration (Docker, Kubernetes) * Experience with message queuing systems (Kafka, RabbitMQ, or similar) is a plus * Understanding of cloud platforms (AWS, Azure, or GCP) * Strong knowledge of design patterns, SOLID principles, and clean code practices * Experience with CI/CD tools (Jenkins, GitLab CI, or similar) * Excellent problem-solving, analytical, and communication skills * Bachelor's or Master's degree in Computer Science, Engineering, or related field (or equivalent practical experience) Preferred * Experience with event-driven architecture * Exposure to Agile/Scrum methodologies * Prior experience in a technical leadership or mentorship role * Knowledge of performance tuning and application monitoring tools (e.g., New Relic, Datadog, Splunk) * Experience working in a fast-paced, cross-functional product environment ## Description We are looking for a Senior Java Developer with deep expertise in Java, Spring Boot, and database technologies to join our engineering team. You will play a key role in designing, developing, and maintaining scalable, high-performance applications, while mentoring junior developers and driving technical best practices across the team., * Design, develop, and maintain robust, scalable, and high-performance backend applications using Java and Spring Boot * Architect microservices-based solutions and contribute to system design discussions * Write clean, efficient, and well-documented code following industry best practices * Design and optimize database schemas, queries, and stored procedures for performance and scalability * Collaborate with cross-functional teams including product managers, QA, DevOps, and frontend developers * Conduct code reviews and provide constructive feedback to team members * Troubleshoot, debug, and resolve complex production issues * Mentor junior and mid-level developers, fostering technical growth within the team * Participate in architectural decisions and contribute to technical roadmaps * Ensure application security, scalability, and reliability standards are met * Stay current with emerging technologies and recommend improvements to existing systems * Contribute to CI/CD pipeline improvements and DevOps practices ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers)