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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Engineer - Java / Spring Boot / React - Hybrid - **Company:** Genesis10 - **Location:** Columbus, OH, United States - **Experience:** Expert - **Salary:** $104,000.0 - $124,800.0 - **Contract:** Temporary contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Spring Security, Amazon Web Services, Applications Architecture, Application Performance Management, Automation of Tests, Unit Testing, Microsoft Azure, Cascading Style Sheets (CSS), Cloud Computing Security, Code Review, Continuous Integration, Data Structures, Relational Databases, Software Design Patterns, DevOps, Distributed Systems, Amazon DynamoDB, Github, Hibernate (Java), HP Systems Insight Manager, IBM WebSphere MQ, Integrated Development Environments, Java Persistence API, Spring Framework, PostgreSQL, Microsoft SQL Server, MongoDB, NoSQL, OAuth, Object-Oriented Software Development, Oracle (Applications), Performance Tuning, Scrum Methodology, Productivity Software, RabbitMQ, Redis, JSON Web Token, Software Engineering, TypeScript, Openapi, Enterprise Application Integration, Google Cloud, Java Application Server, Enterprise Software Applications, Spring Cloud, ReactJS, Spring-boot, Software Troubleshooting, AI Coding Agents, Backend, Gitlab, Git, Event Driven Architecture, Containerization, Kubernetes, Information Technology, Apache Kafka, React Redux, Video Streaming, Api Design, Api Gateway, Restful APIs, Api Management, Docker, Legacy Systems, Jenkins, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.adzuna.com/details/5877697215 ## About the Role * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent experience * 7+ years of software engineering experience with enterprise application development * Strong hands-on experience with Java and Spring Boot * Strong experience developing RESTful APIs and microservices * Professional experience with React, JavaScript, HTML, and CSS * Strong understanding of object-oriented programming, design patterns, data structures, and software engineering principles * Experience with relational databases and SQL, such as Oracle, PostgreSQL, or SQL Server * Experience with Git and modern source-control practices * Experience with unit testing and automated testing frameworks * Experience working in an Agile/Scrum software development environment * Strong troubleshooting, analytical, and problem-solving skills * Ability to work independently while collaborating effectively with cross-functional teams * Strong verbal and written communication skills Desired Skills: * Experience designing and developing cloud-native applications using AWS, Azure, or Google Cloud * Experience with microservices architecture, event-driven architecture, and distributed systems * Experience with Docker, Kubernetes, and containerized application development * Experience with messaging and streaming technologies such as Kafka, RabbitMQ, or IBM MQ * Experience with CI/CD and DevOps tools such as Jenkins, GitHub Actions, GitLab, or Azure DevOps * Experience with Spring Cloud, Spring Security, OAuth2, and JWT * Experience with TypeScript, Redux, React Query, or other modern React technologies * Experience with NoSQL databases such as MongoDB, DynamoDB, or Redis * Experience with API management, API gateways, and enterprise integration patterns * Knowledge of AWS services, cloud security, observability, and application monitoring * Experience modernizing legacy applications * Experience with performance tuning, scalability, resiliency, and high-availability architectures * Experience working in financial services, banking, insurance, or other highly regulated industries * Experience providing technical leadership and mentoring engineers * Familiarity with AI-assisted software development and modern developer productivity tools ## Description This role involves designing, developing, testing, and deploying highly scalable enterprise applications. The ideal candidate will lead the development of full-stack applications, including RESTful APIs, microservices, and responsive React-based user interfaces, translating business requirements into secure and maintainable software solutions., * Design, develop, test, deploy, and support highly scalable enterprise applications using Java, Spring Boot, React, and modern open-system technologies * Lead the development of full-stack applications, including RESTful APIs, microservices, backend services, and responsive React-based user interfaces * Translate business and technical requirements into scalable, maintainable, and secure software solutions * Design and implement cloud-ready, distributed, and service-oriented applications * Develop high-quality Java applications using Spring Boot, Spring Framework, JPA/Hibernate, and REST APIs * Build reusable and maintainable React components and integrate front-end applications with backend APIs * Participate in application architecture and technical design activities * Lead or contribute to the modernization of legacy applications into open-system, API-driven, and microservices-based architectures * Develop unit, integration, and automated tests to ensure application quality and performance * Perform code reviews and provide technical guidance and mentoring to junior and mid-level engineers * Troubleshoot complex application, integration, performance, and production issues * Collaborate with product owners, business analysts, architects, and other technology teams * Participate in Agile/Scrum ceremonies * Implement secure coding practices and support CI/CD pipelines * Monitor application performance and identify opportunities for improvement * Create and maintain technical documentation, architecture diagrams, and API specifications * Stay current with emerging technologies and recommend improvements