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Ellumen, Inc. · 1 month ago

Software Engineer (Python & Java)- Customs and Border Patrol

Ashburn, VA

Full-time

Onsite

Mid Level

$90K/yr - $100K/yr

3+ years exp

Ellumen, Inc. is looking for a talented and versatile Mid-Level Software Engineer to join our development team. In this role, you will be instrumental in maintaining and optimizing our core applications, leveraging Java for production level chatbot services and Python for agile backend services. This position offers a unique opportunity to work in a hybrid environment and expand your skills in full-stack development and emerging AI technologies.

Health CareInformation TechnologyIT InfrastructureLogisticsSoftwareTraining

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Write clean, scalable, and efficient code using both Java (Spring Boot/Jakarta EE) and Python (Django/FastAPI) frameworks

Maintain and improve existing legacy Java systems while developing new microservices and integration layers using Python

Apply bug fixes to Python and Java backend systems

Participate in the full SDLC, including requirements analysis, system design, coding, unit testing, and deployment

Conduct peer code reviews and ensure adherence to best practices and coding standards

Work closely with Technical Lead, designers, and other engineers to deliver high-quality software features

Diagnose and resolve performance bottlenecks and bugs in a complex production environment

Qualification

PythonJavaRESTful APIsPostgreSQLGitDockerAngularGenerative AICloud ServicesChatbot

Required

3–5 years of professional software development experience

Strong proficiency in Python (scripting, backend development, data handling)

Proficiency in Java (object-oriented design, multi-threading, JVM tuning)

Solid understanding of relational databases (PostgreSQL, MySQL)

Experience designing and consuming RESTful APIs and/or GraphQL

Proficiency with version control (Git), CI/CD pipelines (Jenkins, GitHub Actions), and containerization (Docker)

Bachelor's degree in computer science, Engineering, or relevant industry experience

US Citizenship and clearance required

Preferred

Experience with Angular (TypeScript) for building dynamic user interfaces and connecting them to backend services

Experience using Python libraries (e.g., LangChain, OpenAI API, Hugging Face) to create Generative AI solutions, chatbots, or RAG (Retrieval-Augmented Generation) systems

Experience deploying applications on AWS, Azure, or Google Cloud Platform

Experience implementing and maintaining conversational chatbot using Rasa 3