Job Title: Java Developer 
Location: Englewood, CO (Hybrid)
Duration : 6-12 Months

Job Description: Senior Software Engineer (Java)

We are seeking a highly skilled Senior Software Engineer with strong expertise in Java-based application development and complementary experience using Python for backend services and AI-driven integrations. The ideal candidate will design and implement robust, scalable, and high-performance systems within a distributed architecture.

Responsibilities

• Design, develop, and maintain complex applications and microservices using Java (Spring Boot, Spring Cloud, Hibernate/JPA).
• Build reliable, secure, and high-performance RESTful APIs and integrate them with databases, messaging systems (Kafka), and external services.
• Contribute to system architecture design, performance tuning, scalability improvements, and API security (OAuth2).
• Utilize Python for building automation tools, asynchronous APIs, data processing modules, and AI/ML-based integrations where applicable.
• Collaborate across Java and Python teams to deliver end-to-end solutions involving cross-stack service integration.
• Conduct thorough code reviews, develop comprehensive unit and integration tests, and implement CI/CD best practices using Docker and modern deployment pipelines.
• Engage in performance analysis, profiling, and production debugging using observability tools.
• Contribute to architectural discussions for cloud-native deployments and participate in Agile development ceremonies.

Must Have Skills

• Strong Java Core skills with deep understanding of concurrency, multithreading, and distributed system design.
• Proven experience with Spring Boot, Spring Cloud, Hibernate/JPA, and building REST-based microservices.
• Proficiency in software design principles, object-oriented programming, and standard design patterns.
• Experience with relational and NoSQL databases, data modeling, and SQL optimization.
• Hands-on experience with Python for backend development, including RESTful API building and data processing scripts.
• Familiarity with Kafka or equivalent event-driven messaging systems.
• Strong experience with unit/integration testing and CI/CD workflows using Git, Docker, and containerized deployments.
• Good understanding of API security, caching, and performance optimization strategies.
• Excellent communication and teamwork skills.

Nice to Have Skills

• Experience integrating Generative AI workflows or vector-based retrieval systems using Python (embeddings, prompt engineering).
• Familiarity with async programming, multiprocessing, and memory management in Python.