Senior Software Engineer

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Epsilon seeks a Senior Software Engineer with 7+ years experience to design, build, and scale backend systems using Java and Python in an Agile environment. The role focuses on spec-driven AI-assisted development using tools like Cursor, Claude Code, and Kiro. Responsibilities include developing scalable backend services, applying AI-assisted coding practices, integrating RAG and Agentic AI workflows, leading system design, ensuring code quality, collaborating with cross-functional teams, and resolving production issues. Requirements include a Bachelor’s or Master’s degree or equivalent experience, 7-10 years software development experience, expertise in Java and Python, experience with backend frameworks (Spring), build tools (Maven/Gradle), source control (Git), data modeling, Unix/Linux environments, mandatory experience with AI-assisted development and AI coding tools, knowledge of RAG and Agentic AI, strong fundamentals in data structures, algorithms, OOP, design patterns, system design, and experience with REST APIs, microservices, distributed systems, technical leadership, and Agile/Scrum. Preferred skills include frontend experience (Angular), Databricks, Spark, cloud platforms (AWS, Azure, GCP), DevOps, CI/CD, Docker, Kubernetes, and observability. Benefits include flexible time off, paid holidays, parental leave, childcare and elder care assistance, adoption assistance, health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, and health coaching. Salary range is $88,900 to $165,100 annually. Location: Irving, Texas, United States.