> Markdown version of [/jobs/ext/1766128-developer-java-web-sr](https://www.wearedevelopers.com/jobs/ext/1766128-developer-java-web-sr). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Developer Java Web Sr - **Company:** Lumen Solutions Inc. - **Location:** Wilmington, DE, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, Systems Engineering, Automation of Tests, Cloud Computing, Cloud Engineering, UN Electronic Data Interchange for Administration Commerce and Transport, Junit, Apache Maven, Virtual Desktops, Mockito, Amazon Simple Notification Service (SNS), Software Engineering, System Availability, Spring-boot, Software Security, Cypress (Programming Language), Backend, Cloudformation, Event Driven Architecture, Amazon Relational Database Service, AngularJS, Information Technology, Playwright, Front End Software Development, Functional Programming, Cloudwatch, Api Gateway, Amazon Simple Queue Service (SQS), Cucumber (Software), Jenkins - **Published:** July 14, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=yyjdnwtj1vk20likwp2a7oa2mc2scw064c948z22g23e046qehohegye8oqt3zi6&compid=0/jobs/28843792#/jobs/28843792 ## About the Role * Technical Expertise: + Proficiency in Java 17, Spring Boot, and Maven. + Strong hands-on experience with AWS integrations. + Experienced with CI/CD pipelines using tools such as Jenkins, Code Pipeline, and CloudFormation * Testing and Methodology: + Solid experience with automated testing using tools such as Junit, Mockito, Cucumber, Playwright and Cypress. + Understanding of the Twelve-Factor Application Methodology. * Cloud and Security: + Hands-on experience with cloud-native design, development, and delivery using AWS technologies including ECS, EventBridge, S3, Lambda, SQS, SNS, API Gateway, RDS/Aurora, Cloudwatch. + Knowledge of application security vulnerabilities and mitigation techniques. * Soft Skills: + Excellent oral and written communication skills. + Strong analytical thinker with the capability to troubleshoot and resolve intricate issues. * Education and Experience: + Bachelor's degree in Computer Science, Systems Engineering, or a related technical field, or an equivalent combination of education and 7+ years of relevant work experience. Preferred: * AWS Certified Developer - Associate or higher. * Experience with Angular for front-end development. * Knowledge of Electronic Data Interchange (EDI) systems. * Experience with event-driven architectures. * Knowledge of AWS CDK and infrastructure as code. ***Lumen and / or its clients will not provide equipment (Laptop, monitor, etc.) to the selected contractor. The contractor must have their own equipment. Access to a virtual desktop set up (software) will be provided by Lumen's client, allowing the user access to the required systems and technology.*** ## Description + Participate in client discussions to support technical analysis on business requirements and priorities. + Perform the analysis, design, documentation, implementation, and maintenance of large/complex IT solutions projects related to passenger rail transportation systems + Conduct detailed business analysis to architect & design IT solutions that meet functional and technical requirements. * Application Development: + Design, develop, test, and implement business-critical, cloud-native, enterprise-level services focusing on high availability and high performance. + Develop event-driven backend services for EDI transactions. + Develop and maintain technical documentation. * Production and Testing Support: + Provide ongoing support, perform problem analysis and resolution. + Experience with automated testing frameworks. ## Related Videos - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) - [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [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) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)