{"id":3943665,"url":"https://alion.io/job/apptware-python-developer","title":"Python Developer","company":{"id":3809832,"name":"Apptware","domain":"apptware.com","url":"https://alion.io/company/apptware","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Pune, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Asyncio","optional":false},{"name":"FastAPI","optional":false},{"name":"Function Calling","optional":false},{"name":"Hallucination","optional":false},{"name":"LLM","optional":false},{"name":"Multimodal AI","optional":false},{"name":"Pydantic","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"Uvicorn","optional":false}],"status":"live","first_seen_at":"2026-11-08T17:35:00Z","employer_posted_date":null,"last_verified_at":"2026-11-08T17:35:00Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Job Description:\n\nPython Backend Engineer - FastAPI & Agentic AI\n\nRoles & Responsibilities:\nBackend Development & API EngineeringDesign, develop, optimize, and maintain asynchronous backend services using Python and FastAPI.\nBuild high-performance APIs capable of handling high-volume requests with minimal latency.\nImplement non-blocking operations using asyncio and Uvicorn.\nManage database connection pools and optimize backend performance.\n\nLLM Evaluation & Regression TestingDevelop deterministic LLM evaluation and regression testing pipelines.\nValidate model consistency, output quality, and structured response schemas using Pydantic.\nMonitor agent stability and identify inconsistencies in AI-generated responses.\n\nMultimodal Data ProcessingDevelop data ingestion pipelines for processing text, images, and videos.\nHandle media decoding, validation, extraction, and processing of unstructured data.\nBuild reliable pipelines to transform multimodal inputs into structured data.\n\nAgentic AI & Workflow DevelopmentDesign and implement stateful, graph-based agent workflows.\nDevelop multi-step agent execution processes involving tool calling and state reconstruction.\nHandle hallucinations, prevent infinite loops, and improve agent reliability.\nImplement context-window and token management, including dynamic context pruning, summary compression, and retrieval optimization.\n\nData Ingestion & Quality PipelinesBuild data extraction, validation, filtering, and cleansing pipelines.\nConvert raw web data into structured, high-quality inputs.\nDevelop high-volume ingestion systems using request queues and API rate-limit handling.\nImplement failure management and Redis-based backpressure control.\n\nTesting & Code QualityDevelop comprehensive unit and integration test suites.\nFollow test-driven development practices.\nWrite clean, modular, documented, and maintainable code.\nFocus on simplicity, readability, performance, and reliability.\n\nRequired Skills & Qualifications:\n3-5 years of experience in Python Backend Development.\nStrong hands-on experience with Python, FastAPI, asyncio, and Uvicorn.\nExperience building asynchronous and non-blocking backend services.\nUnderstanding of database connection pooling and API performance optimization.\nExperience with multimodal data processing, including images, videos, media buffers, and unstructured data.\nHands-on experience with Pydantic and structured data validation.\nStrong understanding of data extraction, parsing, filtering, and cleansing.\nExperience with unit testing, integration testing, and Test-Driven Development (TDD).\nPractical experience with Redis, API rate limiting, request queuing, and high-volume data ingestion.\nExperience building production AI/Agentic AI systems.\nUnderstanding of tool calling, hallucination handling, infinite-loop prevention, and context-window management.\nStrong problem-solving and debugging skills.\n\nIdeal Candidate Profile:\nStrong backend engineering fundamentals with practical Python development experience.\nExperience building scalable, asynchronous backend infrastructure.\nExposure to production-grade LLM applications and Agentic AI workflows.\nAbility to handle complex data processing and ingestion requirements.\nPassion for writing simple, efficient, testable, and maintainable code.\nSkills\nAgentic AI, FastAPI, LLM, 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