Senior Python Full-Stack Developer

6 days ago

bangalore, India Luxoft Full time

Project:We have an ambitious goal to migrate a legacy system written in HLASM (High-Level Assembler) from the mainframe to a cloud-based Java environment for one of the largest banks in the USA.Responsibilities:We are looking for an experienced Python Full-Stack Developer (Python+React) who can help perform the migration of the client platform:• 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• Mandatory work from the office 5 days per weekMandatory Skills Description:• Experience in front-end development (preferably React) for building migration dashboards and progress monitoring interfaces (2+ years)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 systemsGraph 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 translationsNice-to-Have Skills:• 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 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

  • Full Stack Developer

    4 days ago

    bangalore, India MF Stack Full time

    Betalectic is an end-to-end product development company specializing in building SaaS apps, Web and Mobile applications, Backend APIs, UI/UX design, GenAI solutions, and DevOps implementations & more! We collaborate closely with industry leaders in the BFSI sector, helping them bring secure, scalable, and impactful digital products to life.Our flagship...

  • Senior Full Stack Developer

    1 week ago

    bangalore, India Staffington Global Full time

    Role OverviewWe’re looking for a hands-on Senior Full Stack Developer with strong experience in Python, Angular, MongoDB, and Generative AI integration using RAG (Retrieval-Augmented Generation).Key Responsibilities·Build and maintain full-stack applications using Python, Angular, and MongoDB·Design scalable and secure system architectures·Implement...

  • Senior python full-stack developer

    2 weeks ago

    Bangalore, India C5i Full time

    Position: Senior Full Stack Python Developer Experience: 5–7 Years Location: Bangalore (Hybrid)Note: We are seeking candidates who can join within 15 days or sooner. Key Skills Required: Strong proficiency in Python Hands-on experience with Databricks Expertise in writing efficient SQL queries Exposure to Large Language Models (LLMs)Familiarity with cloud...

  • Python Full Stack Developer

    6 days ago

    bangalore, India Luxoft Full time

    Project descriptionWe need a Python Developer to work for a leading investment bank client.ResponsibilitiesDesign, develop, and maintain full-stack Python applications with modern frontend frameworksBuild and optimize RAG (Retrieval-Augmented Generation) systems for AI applicationsCreate and implement efficient vector databases and knowledge storesDevelop...

  • Sr. full stack python developer

    2 weeks ago

    Bangalore, India C5i Full time

    Position: Senior Full Stack Python Developer Experience: 5–7 Years Location: Bangalore (Hybrid) Note: We are seeking candidates who can join within 15 days or sooner. Key Skills Required: Strong proficiency in Python Hands-on experience with Databricks Expertise in writing efficient SQL queries Exposure to Large Language Models (LLMs) Familiarity...

  • Sr. Full Stack Python Developer

    2 weeks ago

    Bangalore, India C5i Full time

    Position : Senior Full Stack Python Developer Experience : 5–7 Years Location : Bangalore (Hybrid) Note : We are seeking candidates who can join within 15 days or sooner . Key Skills Required : Strong proficiency in Python Hands-on experience with Databricks Expertise in writing efficient SQL queries Exposure to Large Language Models (LLMs) Familiarity...

  • Senior Full-Stack Developer

    1 week ago

    bangalore, India Precision Medicine Group Full time

    Position SummaryWe are seeking a highly skilled and experienced Senior Full-Stack Developer to join our cross-functional product development team. This role is central to building scalable, high-performance AI-powered social and digital listening applications. You will work closely with solution architects, product managers, and data scientists to bring...

  • Full Stack Python Developer

    1 week ago

    bangalore, India People Prime Worldwide Full time

    JOB SUMMARYThe Full Stack Engineer will be responsible for designing, developing, and maintaining scalable webapplications and services. This role requires a versatile and innovative individual who is proficient in bothfront-end and back-end technologies, with a passion for delivering high-quality solutions.This role requires a passionate, committed, and...

  • Senior Full-Stack Developer

    1 week ago

    bangalore, India SHIFA INFOTECH PRIVATE LIMITED Full time

    About Us SIPL is a premier offshore staffing company dedicated to empowering global businesses since 2014. We provide our overseas clients with access to a world-class talent pool, building dedicated remote teams that enhance productivity and reduce operational costs. By entrusting us with your staffing needs, you can scale with confidence, innovate...

  • Senior Full-Stack Developer

    6 days ago

    bangalore, India SHIFA INFOTECH PRIVATE LIMITED Full time

    About Us SIPL is a premier offshore staffing company dedicated to empowering global businesses since 2014. We provide our overseas clients with access to a world-class talent pool, building dedicated remote teams that enhance productivity and reduce operational costs. By entrusting us with your staffing needs, you can scale with confidence, innovate faster,...