Senior Python Developer

Troubleshoot, debug, and resolve issues in GenAI-powered code translation pipelines

Collaborate with dev and client teams to ensure alignment with project goals and deliver high-quality solutions

Maintain and fine-tune RAG application that supports the migration process, specifically optimizing LLM prompts for pattern recognition

Build and maintain FastAPI-based microservices that orchestrate the migration workflow

Implement RAG (Retrieval Augmented Generation) systems using LangChain /Langgraph/LlamaIndex for contextual code understanding

Design stateful migration workflows using LangGraph/LangChain/LlamaIndex for complex multi-step transformations

Do you have experience in React?, Do you have a Master's degree?, We are looking for a Senior Python Developer who will be able to work with different modernization projects., Must have

Proficiency in Python development (5+ years), with specific expertise in:

FastAPI for building high-performance REST APIs and WebSocket connections

Async programming patterns for handling concurrent migration tasks

Pydantic for robust data validation in migration pipelines

Experience with vector embeddings and embedding models

Vector database implementation for semantic search

Graph database experience for code dependency mapping

Building agents for code analysis, implementing custom tools for mainframe-specific transformations, creating chains for multi-step code migration

Orchestrating stateful workflows for complex migration scenarios, managing checkpoints for long-running migrations, implementing conditional routing based on code patterns

Building knowledge bases from documentation, implementing hybrid search for code pattern matching, creating custom retrievers for language specific contexts

Implementing similarity search and semantic code retrieval systems

Graph traversal algorithms for dependency analysis

Strong problem-solving and debugging skills for identifying translation anomalies and semantic preservation issues

Excellent communication skills for collaboration with client teams and explaining complex technical translations

Nice to have

Deep understanding of HLASM instruction sets, macro definitions, and DSECT mappings

COBOL and PL/I for understanding integrated mainframe systems

Assembly language debugging and performance optimization

Mainframe utilities (DFSORT, IEBGENER, IDCAMS)

Experience with mainframe subsystems: CICS transactions, DB2 stored procedures, JCL batch processing

Knowledge of z/OS internals, linkage conventions, and program calling standards

Familiarity with EBCDIC to ASCII conversion, packed decimal (COMP-3) handling

Experience in front-end development (preferably React) for building migration dashboards and progress monitoring interfaces

Experience in Java development, particularly Spring Boot, to understand target architecture requirements

Familiarity with large-scale system migrations and modernization efforts, including phased migration strategies and dual-run validation

Prior experience working in the banking or financial services industry, understanding core banking concepts, regulatory requirements, and transaction processing

Knowledge of performance tuning and optimization in cloud environments, including auto-scaling strategies and cost optimization

Luxoft, a DXC Technology Company, (NYSE: DXC), is a digital strategy and software engineering firm providing bespoke technology solutions that drive business change for customers the world over. Luxoft uses technology to enable business transformation, enhance customer experiences, and boost operational efficiency through its strategy, consulting, and engineering services. Luxoft combines a unique blend of engineering excellence and deep industry expertise, specializing in automotive, financial services, travel and hospitality, healthcare, life sciences, media and telecommunications.