Full Stack Engineer

Role: Senior Full Stack Developer (13500)Location: Irving, TXDuration: ContractAbout the RoleWe are looking for a highly motivated senior full-stack developer to join our engineering team. You will design, develop, and maintain scalable web applications across the entire technology stack. The ideal candidate has strong backend expertise in Python or Java, experience building modern frontend applications with React, and is passionate about delivering high-quality software. Experience with Elasticsearch is highly desirable, while knowledge of LangChain, LLMs, and vector embeddings is considered a strong bonus.ResponsibilitiesDesign, develop, and maintain scalable full-stack web applications.Build robust backend services using Python (FastAPI/Django) or Java (Spring Boot).Develop responsive and reusable frontend components using React.Design and implement RESTful APIs and microservices.Integrate applications with SQL and NoSQL databases.Optimize application performance, scalability, and reliability.Collaborate with product managers, designers, and cross-functional engineering teams.Write clean, maintainable, and well-tested code.Participate in code reviews and mentor junior developers.Troubleshoot production issues and implement long-term solutions.Required QualificationsBachelor's degree in computer science or related field, or equivalent practical experience.10+ years of professional software development experience.Strong proficiency in Python or Java.Experience with backend frameworks such as:FastAPISpring BootStrong understanding of:REST APIsMicroservicesAuthentication & AuthorizationAPI securityExperience with relational databases such as PostgreSQL or MySQL.Familiarity with NoSQL databases such as MongoDB.Experience building modern frontend applications using React.Strong understanding of JavaScript/TypeScript, HTML5, and CSS3.Experience using Git and CI/CD pipelines.Excellent problem-solving and debugging skills.Preferred QualificationsHands-on experience with Elasticsearch, including:Index designQuery DSLAggregationsRelevance tuningPerformance optimizationExperience with cloud platforms (AWS, Azure, or GCP).Experience with Docker and Kubernetes.Familiarity with distributed systems and event-driven architectures.Nice to HaveExperience with generative AI technologies, including:LangChainRetrieval-Augmented Generation (RAG)Embedding modelsVector databasesSemantic searchPrompt engineeringLLM integrations (OpenAI, Anthropic, Azure OpenAI, etc.)Technical SkillsBackendPython or JavaFastAPI / Spring BootREST APIsMicroservicesSQL & NoSQLFrontendReactTypeScriptJavaScriptHTML/CSSSearchElasticsearchAI (Bonus)LangChainEmbeddingsVector DatabasesRAGLLM APIsDevOpsGitDockerCI/CDAWS/Azure/GCPWhat We're Looking ForThe ideal candidate is someone who:Writes clean, maintainable, and scalable code.Has strong backend engineering fundamentals.Can build intuitive React-based user interfaces.Understands search technologies such as Elasticsearch.Is interested in modern AI application development using LangChain and embeddings.Enjoys solving complex technical challenges and collaborating across teams.Takes ownership of projects from design through production deployment.About the TeamOur team builds scalable, high-performance applications that power critical business capabilities across the organization. We work with a modern technology stack that includes Java (Spring Boot), Node.js, TypeScript, Vanilla JavaScript, Python, and React, enabling us to choose the right tool for each problem.We value clean architecture, code quality, collaboration, and continuous learning. Engineers on our team have the opportunity to work across the full stack, contribute to backend services, modern web applications, search technologies such as Elasticsearch, and explore emerging AI capabilities including LangChain, LLMs, and vector embeddings. We encourage innovation, knowledge sharing, and ownership while building reliable, scalable solutions that have a meaningful business impact.