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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Full Stack Developer - Java, React - **Company:** United Continental Holdings, Inc. - **Location:** Chicago, IL, United States - **Experience:** Experienced - **Salary:** $140,600.0 - $183,108.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Amazon Web Services, Amazon Cloudfront, Amazon Elastic Compute Cloud, Amazon S3, Component-Based Software Engineering, Application Lifecycle Management, Application Packaging, Audit Trail, Information Systems, Continuous Integration, Relational Databases, Digital Technology, Amazon DynamoDB, Google Analytics, IBM WebSphere MQ, Enterprise Messaging Systems, MongoDB, MySQL, Open Source Technology, Oracle (Applications), Systems Development Life Cycle, Software Construction, Software Engineering, Software Systems, Datadog, Apache Camel, ReactJS, Spring-boot, Amazon Virtual Private Cloud (VPC), Amazon Relational Database Service, Information Technology, Data Analytics, Non-relational Database, Tools for Reporting, Cloud Migration, Virtual Agents, Functional Programming, Cloudwatch, Api Gateway, Software Version Control, Dynatrace, Elk Stack - **Published:** September 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=df0c5aece63f5215 ## About the Role * Bachelor's degree in Computer Science, Information Systems, another related field, or 10 years of equivalent work experience. * Minimum of 5+ years of experience in application design, development, and the software development lifecycle (SDLC), including experience with Java, Spring Boot, Apache Camel, and other open-source technologies. * Experience with React * Minimum of 5 years of hands-on experience with full-stack Java development. * Minimum of 3 years of hands-on experience with foundational AWS services such as EC2, S3, RDS, API Gateway, VPC, CloudTrail, CloudFront, Lambda, EKS, and/or ECS. * Experience building scalable, highly available, and resilient solutions. * Experience with platform development and modernization of legacy services for cloud migration. * Experience with relational databases such as MySQL and Oracle. * Experience with non-relational databases such as MongoDB and DynamoDB. * Experience developing and supporting enterprise messaging technologies such as IBM MQ and Solace. * Experience with monitoring and analytics tools such as CloudWatch, Dynatrace, Datadog, ELK Stack, and Google Analytics. * Experience working with high-performing teams in an Agile development environment where continuous integration and continuous delivery (CI/CD) are critical. * Demonstrated knowledge of software engineering best practices, including version control, software packaging, and software release management. * Must be initiative-taking, possess effective verbal and written communication skills, and be able to work in a collaborative environment. * Must be able to work a hybrid schedule (2-3 days per week in office) * Must be legally authorized to work in the United States for any employer without sponsorship * Successful completion of interview required to meet job qualification * Reliable, punctual attendance is an essential function of the position What will help you propel from the pack (Preferred Qualifications): * Experience designing and developing messaging platform solutions. * AWS experience. * Experience with AI tools and agentic AI. ## Description United's Digital Technology team is comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs, develops and maintains massively scaling technology solutions brought to life with innovative architectures, data analytics, and digital solutions., The Principal Developer will have a technical focus on enabling the notification platform for customer travel. This role will lead efforts to design, develop, and maintain innovative solutions while collaborating with portfolio owners and service providers. The Principal Developer plays a critical role in maintaining the strategic partnership between business needs and technology delivery. This individual will apply strong communication, analytical, and critical-thinking skills to identify, communicate, and resolve issues, opportunities, and problems to maximize IT and business investments. The Principal Developer has decision-making authority, works independently with minimal supervision, and mentors and coaches others. This individual has extensive knowledge and experience across multiple technologies and business areas. * Define and implement technical solutions for new systems or enhance existing systems using modern technologies. * Define technical service-level agreements (SLAs) and data-sharing strategies with vendors. * Lead the design, development, and planning of solutions and technology standards to solve complex business problems. * Perform hands-on development and support software systems by optimizing performance, resolving problems, and following up on issues and solutions. * Ensure systems are properly integrated. * Partner with business, support, and development teams to recommend system enhancements. * Serve as a resource for technology and project development reviews and technical assessments. * Ensure technical solutions meet customers' business goals. * Provide consultation and technical leadership throughout project lifecycle planning. * Ensure consistency and adherence to enterprise standards and guiding principles throughout the application lifecycle. * Identify opportunities to leverage and influence existing infrastructure and application components. * Monitor industry trends through benchmarking, professional associations, and other activities to advise others on strategic technology direction. * Provide feedback to enterprise technology owners and architects regarding future solution needs. * Apply the enterprise vision and strategy to project solutions while balancing tactical delivery needs. * Partner with business and IT collaborators to define the domain architecture strategy. * Demonstrate mastery of development domain areas, multiple technologies, and toolsets. * Demonstrate mastery of software engineering. * Maintain accountability for PCI and SOX environments and development. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [The Memory Leak That Ate Our Cluster: A Postmortem](https://www.wearedevelopers.com/videos/2057-the-memory-leak-that-ate-our-cluster-a-postmortem) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [The user in the eye of the Cargo1492 storm](https://www.wearedevelopers.com/videos/96-the-user-in-the-eye-of-the-cargo1492-storm) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)