UNKNOWN

FEED

Built and enhanced Java/Spring Boot applications integrated with Palantir Foundry , leveraging REST APIs, microservices, and cloud-native technologies to support enterprise data management and operational workflows. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.

YEAR

Revolutional, LLC

Full Stack Engineer

GreenHouseAPI

This role requires a practitioner who has operated inside or directly alongside engineering and product organizations-someone who has personally led SDLC transformations, managed engineering teams, governed AI coding tool rollouts, or run DevOps programs at scale-and who can translate that hands-on operating experience into rapid, credible impact within the compressed timelines of a PE holding period. Govern LLMOps at enterprise scale: RAG pipeline architecture and optimization (chunking strategies, embedding models, vector database selection-Pinecone, Weaviate, Qdrant, pgvector), prompt versioning, evaluation frameworks (RAGAS, LangSmith, Phoenix), and inference cost governance.

Alvarez & Marsal Holdings LLC

Director, PEPI - Technology Services CTO Domain

ADAPTED_NOW

Our values of ‘Do the Right Thing, Excel Together and Put Customers First’ are at the heart of what matters most to us, and our Core Capabilities, ‘Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security’ are what every employee needs to know and do to be most impactful at Amtrak. In accordance with DOT regulations (49 CFR § 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions.

HOUR

Amtrak

Fall 2026/Spring 2027 - Software Engineering Intern - 90413041 - Washington (Washington, DC, US, 20001)

Software development teams in WBD’s Direct-to-consumer (DTC) division build and deliver applications and services powering the customer experience of products such as HBO MAX, Discovery+, Bleacher Report, TNT etc., which run on connected TVs, set-top boxes, smartphones, tablets, consoles, PCs, and other streaming devices. . You've built and operated the infrastructure that lets thousands of engineers ship software safely — CI/CD pipelines, artifact management, deployment automation, and release tooling — and you've led the cross-org technical conversations that made adoption stick.

Warner Bros. Discovery

Staff Software Engineer

Our values of 'Do the Right Thing, Excel Together and Put Customers First' are at the heart of what matters most to us, and our Core Capabilities, 'Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak. JOB SUMMARY: The AWS Java Full-Stack Developer Intern will support the design, development, testing, and deployment of cloud-native applications and APIs using Java, Spring Boot, AWS, and modern front-end technologies.

National Railroad Passenger Corp

Fall 2026/Spring 2027 - Software Engineering Intern - 90413041 - Washington

Fall 2026/Spring 2027 - Software Engineering Intern - 90413045 - Washington

Fall 2026/Spring 2027 - Software Engineering Intern - 90413037 - Washington

We expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence. This is a high-ownership role for a builder who is equally comfortable reviewing application architecture, threat modeling an API, improving GitHub security controls, and partnering directly with engineers to ship secure software quickly.

The Nuclear Company

Staff Application Security Engineer

Bachelor's degree in Computer Science, Computer Engineering, or a related field; OR demonstrated capability to perform job responsibilities with a combination of a High School Diploma/GED and at least four (4) years of previous relevant work experience. Identify safety and security concerns, issues, incidents or hazards that should be reported and report them whenever possible and by any means necessary including JetBlue's confidential reporting systems (Aviation Safety Action Program (ASAP) or Safety Action Report (SAR)).

JetBlue Airways Corp

Lead Engineer Full Stack

FULL_TIME

As an industry-leading solutions provider in digital engineering and model-based systems engineering (MBSE), the company delivers MBSE-as-a-Service, integrated digital engineering environment deployments, training and consulting to both commercial and public sector customers. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.

Arcfield

Senior Principal Digital Engineer - DE & Kubernetes Tool Administrator

[AW]-iCims

Experience using AI-enabled tools, copilots, or lightweight agents to improve technical support, troubleshooting, log analysis, ticket triage, knowledge-base development, documentation, test-case generation, scripting, release support, or engineering workflow automation is desirable. Relevant military technical training, DoD operational messaging experience, industry certifications, or equivalent technical training may be considered when combined with demonstrated hands-on experience supporting, administering, troubleshooting, integrating, or sustaining mission software systems.

Brandes Associates Inc

Mission Systems Engineer

You will embed directly with Carlyle's Corporate Services functions Finance, Tax, Human Capital, Legal & Compliance, Marketing & Communications, and the other enterprise teams that run the firm working with your manager and team to take the highest leverage AI opportunities from idea to production, and translating ambiguous business problems into working software in weeks, not quarters. In the first 12 months, you will have shipped multiple production AI products embedded in real Corporate Services workflows, contributed reusable patterns and building blocks that accelerate the team's subsequent work, and earned a reputation as a trusted technical partner to the business stakeholders you serve.

The Carlyle Group Inc.

Engineer, AI & Process Automation

In Service Engineer

Demonstrated expertise in developing data models and managing complex data structures such as JSON, XML, and semi-structured data to support reliable integration and advanced analytical processes. Tenacious Solutions, LLC is seeking skilled Database Engineers with strong ETL experience to design, implement and maintain enterprise-level data solutions in the DC Metropolitan area.

Java Developer Jobs in District of Columbia

Full Stack Engineer Revolutional, LLC

Director, PEPI - Technology Services CTO Domain Alvarez & Marsal Holdings LLC

Fall 2026/Spring 2027 - Software Engineering Intern - 90413041 - Washington (Washington, DC, US, 20001) Amtrak

Staff Software Engineer Warner Bros. Discovery

Fall 2026/Spring 2027 - Software Engineering Intern - 90413041 - Washington National Railroad Passenger Corp

Fall 2026/Spring 2027 - Software Engineering Intern - 90413045 - Washington National Railroad Passenger Corp

Fall 2026/Spring 2027 - Software Engineering Intern - 90413037 - Washington National Railroad Passenger Corp

Staff Application Security Engineer The Nuclear Company

Lead Engineer Full Stack JetBlue Airways Corp

Senior Principal Digital Engineer - DE & Kubernetes Tool Administrator Arcfield

Mission Systems Engineer Brandes Associates Inc

Engineer, AI & Process Automation The Carlyle Group Inc.

In Service Engineer Brandes Associates Inc

Database Engineer (Pipeline) Tenacious Solutions

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