Java Full Stack Developer

Job Summary

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, 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