Senior Java Full Stack Developer

Job Summary

If you think you are the right match for the following opportunity, apply after reading the complete description.

Tarkik Solutions is seeking motivated, career-oriented, and customer-focused Senior Java Full Stack Developers to support the Department of Homeland Security (DHS). This is a true full stack role with a strong backend emphasis. You’ll spend much of your time designing and building secure, scalable Java/Spring Boot services, APIs, and microservices, and you’ll pair that with solid front-end development in JavaScript/TypeScript using React or Angular.

Our teams use DevSecOps best practices to deliver, operate, and modernize complex, large-scale, internet-facing web and mobile applications and IT systems in an AWS cloud environment. We work with modern, open-source technologies and managed cloud services, and we put strong customer engagement at the center of how we deliver.

Duties

• Design, build, and maintain enterprise Java/JEE backend services using Spring and Spring Boot
• Build high-performance RESTful APIs and microservices, including integration across distributed systems and event-driven architectures
• Develop and maintain front-end applications using JavaScript/TypeScript with React or Angular, consuming JSON-based APIs
• Containerize and deploy services using Docker, and manage orchestration with Kubernetes and Helm
• Build and maintain CI/CD pipelines (Harness, Jenkins) that automate testing, security scanning, and deployment
• Design and support applications running in enterprise-scale AWS environments
• Write and execute automated tests (unit, integration, Selenium, Artillery, Insomnia, TDD/BDD)
• Document and test APIs
• Work with cross-functional teams to turn requirements into high-quality, secure solutions
• Participate in daily stand-ups, sprint planning, and retrospectives, communicating progress and blockers clearly
• Debug and resolve issues in existing code to keep applications running smoothly and securely
• Perform code reviews to uphold quality, coverage, and coding standards
• Collaborate with QA to identify, track (Jira), and resolve defects
• Monitor application performance in production and implement improvements

Requirements

• Bachelor’s degree in business, IT, or any related field
• 8+ years of relevant work experience supporting complex projects
• US Citizenship Required - Because of DHS Public Trust requirements, the customer will ONLY accept US Citizens (no Green Cards or professional visas)
• Ability to obtain and hold a DHS Public Trust position and favorable suitability through a component background investigation

Strong knowledge and experience in:

• Java / JEE and object-oriented design
• Spring Framework and Spring Boot , including Spring REST, Spring Data, and Spring Security
• Microservices architecture and design patterns
• Designing, developing, and consuming RESTful/JSON APIs
• SQL and ORM frameworks (JPA/Hibernate)
• Docker, xhqgsiq Kubernetes, and Helm
• Enterprise-scale applications in AWS
• CI/CD with at least one DevSecOps tool such as Jenkins or Harness
• JavaScript/TypeScript with React or Angular
• Automated testing tools and practices (Selenium, Artillery, Insomnia, TDD, BDD)
• Agile methodologies and tools
• Strong communication skills, self-starter mindset, and the ability to understand business requirements

Preferred

• Existing DHS Public Trust, active CBP BI, or DoD Secret/Top Secret clearance
• Message queues and event-driven architecture
• PostgreSQL
• Git / GitHub
• Large-scale distributed systems
• Splunk
• Jasper Reports
• Amazon Aurora, Redshift, S3, ECS
• Apache Tomcat
• Rancher
• Knowledge of SAFe

Work Location

• DC/Maryland/Virginia (DMV) candidates: Require 1 day per week on-site in Ashburn, VA
• Candidates outside the DMV: Remote ok