Full Stack Engineer

Full Stack EngineerGenesis10 is currently seeking a Full Stack Engineer for a contract position with a Global Financial Institution located in Pennington, NJ or Charlotte, NC. This is a 12+ month contract opportunity.This role emphasizes full ownership of a FastAPI microservice integrated with an enterprise agentic AI platform. The ideal candidate is a self-sufficient full stack engineer with deep backend expertise who can identify scope, drive work independently, and deliver production-quality software. The position involves designing and delivering both front-end and back-end components with a strong emphasis on backend service ownership and collaborating with AI engineers to integrate AI-driven Responsibilities:Own the full lifecycle of a FastAPI microservice: design, implementation, testing, deployment, and ongoing maintenanceBuild and expose robust, well-documented RESTful APIs using FastAPI and Python, enforcing data contracts with PydanticDevelop front-end interfaces and components using React, TypeScript, HTML, and CSSIntegrate with relational and NoSQL databases including MongoDB, SQL, and RedisPartner with AI engineers to incorporate LLM-driven features, agentic workflows, and AI model outputs into the microserviceServe Node.js and/or Apache-backed services as part of a broader microservices ecosystemEnsure secure, scalable, and maintainable architecture across all layers of the stackDrive development across the full spectrum of service work: new feature development, performance optimizations, and technical debt remediationProactively identify technical debt, architectural gaps, and new workstreams, owning them through to completionImplement observability and monitoring instrumentation to ensure operational health of owned servicesWrite clean, type-safe, production-grade Python code adhering to best practices and team standardsRequirements:4+ years of full stack software engineering experienceExpert-level Python with clean, production-ready, type-safe codeDeep hands-on experience with FastAPI and Pydantic for building and maintaining microservicesProficiency in front-end development: React, TypeScript, HTML, and CSSExperience with Node.js and web server technologies (Apache or equivalent)Strong database skills across multiple paradigms: MongoDB, SQL (PostgreSQL/MySQL), and RedisDemonstrated experience building, consuming, and owning RESTful APIs in production environmentsExperience working on or integrating with AI applications, familiarity with LLM-powered services, AI APIs, or ML-driven featuresSelf-directed and autonomous; able to own a service end-to-end, define scope, and execute without heavy oversightStrong written and verbal communication skillsExperience with Elastic (ELK: Elastic, Logstash, Kibana)Desired Skills:Experience with LangChain and/or LangGraph for building or integrating agentic workflowsFamiliarity with vector databases (e.g., Elasticsearch, Pinecone, Weaviate) and RAG patternsUnderstanding of LLM behavior, prompt engineering, and context managementExperience with LangSmith or similar LLM observability and tracing toolsBackground in data pipelines, streaming, or batch processingExperience in enterprise or financial services engineering environmentsPay range: $83.09 - $91.09 per hourOnly candidates available and ready to work directly as Genesis10 employees will be considered for this position.If you have the described qualifications and are interested in this exciting opportunity, please apply!