Senior Java Software Engineer

Columbia Technology Partners•Annapolis Junction, MD

6d•$150 - $190

About The Position

Columbia Technology Partners is seeking a Senior Java Software Engineer to support the modernization and productization of a mission-focused software suite for deployment across a broader customer community. The role transforms existing solutions into scalable, customer-agnostic platforms by removing environment-specific dependencies, enhancing authorization workflows, and supporting advanced key management capabilities. The engineer will design, develop, test, and maintain secure enterprise applications and services, and contribute to technical design, implementation, deployment, and support across cloud, hybrid, and on-premises environments. The position calls for deep Java development experience, modern software engineering practices, and expertise in secure, distributed applications. The engineer collaborates with architects, developers, stakeholders, and cross-functional teams to address evolving business and mission requirements; participates in Agile development; resolves complex application, integration, and performance issues; and contributes to system documentation, technical standards, testing strategies, and implementation plans. Applicants must be U.S. citizens and hold an active security clearance with an appropriate polygraph. Employment is contingent on successful completion of a security background investigation and polygraph, and applicants and employees are subject to random drug testing in accordance with Executive Order 12564.

Requirements

Bachelor's degree in Computer Science or a related field, or equivalent experience.
At least 8 years of professional software development experience.
Strong experience developing enterprise applications using Java and JavaScript.
Expertise in modern development practices, software testing, and Agile methodologies.
Ability to communicate effectively with technical and non-technical stakeholders and collaborate across cross-functional teams.
Strong analytical, problem-solving, and troubleshooting skills.
Ability to independently manage multiple priorities and deliver high-quality solutions.
U.S. citizenship is required.
An active security clearance with an appropriate polygraph is required.
Employment is contingent upon successful completion of a security background investigation and polygraph.
Applicants and employees are subject to random drug testing in accordance with Executive Order 12564.

Nice To Haves

Experience developing encryption services, cryptographic solutions, key management capabilities, or other security-focused application components.
Strong background in REST API development, Spring frameworks, Service-Oriented Architecture (SOA), and distributed application design.
Experience with AWS, cloud technologies, containerization platforms, and Kubernetes-based deployments.
Ability to thrive in fast-paced environments while supporting project planning, technical leadership initiatives, matrixed teams, and complex software modernization efforts.

Responsibilities

Design, develop, test, and maintain enterprise software applications using modern Java-based technologies.
Productize existing applications by creating reusable, scalable, and configurable solutions that operate across multiple environments.
Develop and integrate secure services, APIs, and application components supporting authorization and key management functionality.
Collaborate with architects, developers, and stakeholders to design technical solutions that meet evolving business and mission requirements.
Apply software engineering best practices throughout the development lifecycle, including requirements analysis, design reviews, testing, and deployment.
Participate in Agile development activities, including sprint planning, backlog refinement, status reporting, and team collaboration.
Troubleshoot, analyze, and resolve complex application, integration, and performance issues.
Contribute to system design documentation, technical standards, testing strategies, and implementation plans.
Support cloud, hybrid, and on-premises deployments while ensuring scalability, reliability, and maintainability.
Identify technical risks and recommend mitigation strategies to support successful project delivery.

Benefits

Three medical plans with in-network and out-of-network options.
Vision and dental coverage paid in full by CTP.
401(k) with a 6% company contribution.
Paid time off with customizable leave plans.
Jury duty, bereavement, and military leave.
Up to $10,000 for approved career-related learning, training, education, and/or tuition.
Life and AD&D insurance, short-term disability, and long-term disability at no cost to the employee.
End-of-year profit-sharing bonus.
Tiered referral bonus program, with bonuses ranging from $7,000 to $20,000 if a referral joins the team.
Competitive pay.