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Developer JavaWeb – Senior
Job Location:
Job Location:
Wilmington, DE - USA
Monthly Salary:
Not provided by the employer
Monthly Salary:
Posted:
29 September 2026 (Yesterday)
Posted:
Application Deadline:
27 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Labor Category / Position Title (1) - Developer Java/Web Senior
Skill Set Senior Software Engineer (Java/AWS)
Overview
Seeking a Senior Software Engineer to design develop and support cloud-native enterprise applications in AWS. The ideal candidate has strong Java and Python development experience expertise in distributed systems and a proven track record operating highly available production environments.
Responsibilities
Design develop test deploy and support cloud-native applications and services.
Build REST APIs microservices and event-driven solutions.
Participate in architecture and technical design decisions.
Troubleshoot production issues and perform root cause analysis.
Contribute to CI/CD automation and infrastructure deployment.
Mentor developers and participate in code reviews.
Required Qualifications
Bachelors degree in Computer Science Engineering or related field or equivalent experience.
7 years of software development experience.
Strong experience with Java 21 Spring Boot and Python.
Experience building REST APIs microservices and distributed systems.
Strong AWS experience with:
o ECS/Fargate
o EventBridge
o SQS/SNS
o Lambda
o S3
o Aurora PostgreSQL/PostgreSQL
o CloudWatch
Experience designing and supporting highly available applications across multiple AWS Availability Zones and Regions.
Experience with disaster recovery failover testing business continuity and improving Mean Time to Resolution (MTTR).
AWS Certified Cloud Practitioner AWS Certified Developer Associate AWS Certified Solutions Architect Associate or higher.
Experience with Jenkins GitHub Actions AWS CodePipeline and CloudFormation.
Strong SQL data modeling and database performance tuning skills.
Experience with automated testing using JUnit and Mockito.
Experience supporting and troubleshooting production systems.
Strong communication analytical and problem-solving skills.
Preferred Qualifications
Experience with EDI systems and B2B integrations.
Experience in transportation railroad logistics or other high-volume transaction-processing environments.
Ideal Candidate
Independently designs and delivers scalable solutions.
Has hands-on AWS operational experience.
Understands resiliency disaster recovery and cloud-native architecture.
Excels at production troubleshooting.
Provides technical leadership and mentorship
***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 Lumens client allowing the user access to the required systems and technology.***
Skill Set Senior Software Engineer (Java/AWS)
Overview
Seeking a Senior Software Engineer to design develop and support cloud-native enterprise applications in AWS. The ideal candidate has strong Java and Python development experience expertise in distributed systems and a proven track record operating highly available production environments.
Responsibilities
Design develop test deploy and support cloud-native applications and services.
Build REST APIs microservices and event-driven solutions.
Participate in architecture and technical design decisions.
Troubleshoot production issues and perform root cause analysis.
Contribute to CI/CD automation and infrastructure deployment.
Mentor developers and participate in code reviews.
Required Qualifications
Bachelors degree in Computer Science Engineering or related field or equivalent experience.
7 years of software development experience.
Strong experience with Java 21 Spring Boot and Python.
Experience building REST APIs microservices and distributed systems.
Strong AWS experience with:
o ECS/Fargate
o EventBridge
o SQS/SNS
o Lambda
o S3
o Aurora PostgreSQL/PostgreSQL
o CloudWatch
Experience designing and supporting highly available applications across multiple AWS Availability Zones and Regions.
Experience with disaster recovery failover testing business continuity and improving Mean Time to Resolution (MTTR).
AWS Certified Cloud Practitioner AWS Certified Developer Associate AWS Certified Solutions Architect Associate or higher.
Experience with Jenkins GitHub Actions AWS CodePipeline and CloudFormation.
Strong SQL data modeling and database performance tuning skills.
Experience with automated testing using JUnit and Mockito.
Experience supporting and troubleshooting production systems.
Strong communication analytical and problem-solving skills.
Preferred Qualifications
Experience with EDI systems and B2B integrations.
Experience in transportation railroad logistics or other high-volume transaction-processing environments.
Ideal Candidate
Independently designs and delivers scalable solutions.
Has hands-on AWS operational experience.
Understands resiliency disaster recovery and cloud-native architecture.
Excels at production troubleshooting.
Provides technical leadership and mentorship
***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 Lumens client allowing the user access to the required systems and technology.***
Lumen Solutions Group Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.
Required Experience:
Senior IC
