Senior Full Stack Engineer

Job Description

ECS is seeking a highly skilled Senior Full Stack Engineer to work remote or in the Washington, DC metropolitan area with extensive experience in designing, building and maintaining large-scale API's for enterprise level applications in support of the Department of Homeland Security. Tools necessary for excelling in this role include Java (with Maven, Gradle, etc), JavaScript Frontend frameworks (React, Angular, etc), Elastic and other data sources, and DevSecOps in the Cloud. This role will focus heavily on modernizing legacy systems with deprecated code bases, requiring both technical expertise and creative problem-solving abilities. You will play a critical role in rearchitecting our application's API infrastructure, ensuring scalability, reliability and long-term maintainability.

Key Responsibilities:

• Support the design and architecture of robust, scalable API's for large enterprise level applications.
• Integrate and operate CI/CD pipelines used for building and releasing code and container images.
• Assess and refactor deprecated code bases implementing best practices for modernization and performance improvement.
• Collaborate with engineers to integrate React-based user interfaces with scalable APIs, leveraging React expertise to enhance API interactions, support legacy system modernization, and ensure seamless functionality and optimal user experience.
• Provide solutions for legacy system migration while minimizing system downtime and operational risks.
• Identify and resolve technical debt in older systems while transitioning them to modern Java frameworks and tools.

Salary Range: $135,000 - $175,000

General Description of Benefits

Required Skills

• Master's degree in a relevant field
• 12+ years' work experience
• Ability to pass a Public Trust background check
• 8+ years with Java (8 and beyond) with strong experience in legacy system modernization.
• Has successfully performed code refactoring of deprecated codebases, developed backward compatibility and technical debt reduction.
• 3+ years of experience with Springboot or other stateless Java frameworks
• 5+ years developing restful API design microservices and service-oriented architecture.
• 3+ years of experience working with CI/CD pipelines and deploying and operating in cloud platforms
• 5+ years' experience with relational databases and ORM technologies, experience with ElasticSearch or Opensearch a plus.
• 3+ years developing applications in a production setting and troubleshooting complex issues within legacy environments and proposing effective solutions.
• Excellent communication skills with the ability to explain technical challenges and solutions to non-technical stakeholders.

Desired Skills

• Experience with migrating monolithic architectures to microservices or other modern architectures, exposure to best practices and containerization technologies such as Docker and Kubernetes.
• Familiarity with automated testing frameworks and tools.
• Experience with the following tools: Docker, Keycloak, Jenkins, Terraform, Ansible, OpenSearch, Elasticsearch, Gitlab.

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ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law.

ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3500+ employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.