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Ellumen, Inc. · 1 month ago

Software Engineer (Python & Java)

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 their development team. In this role, you will be instrumental in maintaining and optimizing core applications using Java and Python, while also expanding 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

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

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

System Maintenance: Apply bug fixes to Python and Java backend systems

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

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

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

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

Qualification

PythonJavaRESTful APIsPostgreSQLGitDockerAngularGenerative AICloud ServicesChatbotProblem SolvingContinuous LearningTeam Player

Required

US Citizenship and clearance 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

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