Senior Engineer - Java​/Boot​/React - Hybrid

Position: Senior Engineer - Java / Spring Boot / React - Hybrid
Genesis
10 is currently seeking a Senior Engineer - Java / Spring Boot / React / Open Systems for a contract position with a Regional Financial Institution located in Columbus, OH. This is a contract, hybrid opportunity. Compensation: $50.00 - $60.00 per hour, W2, based on qualifications

Position Overview:

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.

Key Responsibilities:

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 Primary Requirements:
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 Dev Ops tools such as Jenkins, Git Hub Actions, Git Lab, or Azure Dev Ops

Experience with Spring Cloud, Spring Security, OAuth2, and JWT

Experience with Type Script, Redux, React Query, or other modern React technologies

Experience with No

SQL 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…