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Sr. Java Developer

TEKsystems c/o Allegis Group

Posted 1 day ago
Public Trust
Senior Level Career (10+ yrs experience)
$145,000 - $155,000
IT - Software

Job Title: Senior Java Developer (Remote)
Location: 100% Remote
Employment Type: Contract-to-Hire (6 Months)
Clearance: U.S. Citizen or Green Card holder; able to obtain Public Trust (Active or prior Public Trust preferred)

About the Role
TEKsystems is seeking an experienced Senior Java Developer to support a major Federal Agency in a large-scale AWS Cloud migration initiative. This role involves modernizing legacy systems, breaking down monolithic applications, and building scalable microservices using cutting-edge technologies. You will work in a fast-paced Agile environment and collaborate with cross-functional teams to design, develop, and deploy secure, high-performance solutions that enhance operational effectiveness for mission-critical systems.

Key Responsibilities
• Design, develop, and maintain enterprise-level applications using Java, Spring Boot, and AWS
• Refactor legacy applications and migrate workloads to AWS Cloud
• Implement serverless functions (Lambda) and microservices architecture
• Develop RESTful APIs and integrate with messaging services (SQS/SNS)
• Automate CI/CD pipelines for rapid and reliable deployments
• Collaborate in Agile ceremonies and contribute to technical documentation

Required Skills & Experience
• 14+ years of full-stack development experience (or 7+ years with a Master’s degree)
• Expertise in Java, Spring Boot, Hibernate, and RESTful services
• Hands-on experience with AWS Cloud services (EC2, S3, Lambda, VPC, etc.)
• Strong knowledge of Cloud Migration strategies and Infrastructure as Code (Terraform/OpenTofu)
• Familiarity with CI/CD tools (Jenkins, Nexus) and automation frameworks
• Active AWS certification required; Java certification is a plus

Nice to Have
• Experience with Agile/DevSecOps practices
• Prior Public Trust or DoD clearance

Benefits with TEKsystems
Eligibility requirements apply and may depend on job classification and length of employment. Benefits for this temporary role may include:
• Medical, Dental & Vision Insurance
• Critical Illness, Accident, and Hospital Coverage
• 401(k) Retirement Plan (Pre-tax and Roth options)
• Life Insurance (Voluntary Life & AD&D for employee and dependents)
• Short & Long-Term Disability
• Health Spending Account (HSA)
• Transportation Benefits
• Employee Assistance Program
• Paid Time Off (Vacation or Sick Leave)

Start Date: January 2026
group id: 10105424
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Accelerating IT transformation in the public sector

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About Us
We’re partners in transformation. We help customers activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services and real-world application, we work with progressive leaders to drive change. That’s the power of true partnership. TEKsystems is an Allegis Group company.
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TEKsystems c/o Allegis Group Jobs


Job Category
IT - Software
Clearance Level
Public Trust