GenAI - Application Developer - 11312

Fujitsu; Pune District; Hybrid; INR 1,500,000 - 2,600,000; Full time

Job summary

Fujitsu is seeking an AI Developer with 3+ years of experience to build GenAI and Agentic AI solutions. You will work on AI assistants, RAG models, and agent workflows, leveraging LLMs, prompts, APIs, vector databases, and enterprise data sources.

Responsibilities include design, development, testing, and production support across cross-functional teams.

Qualifications

• Experience in GenAI and agent-based AI solutions.
• Ability to design prompts, data flows, and RAG pipelines.
• Proficiency in Python and REST API development.
• Experience integrating LLMs with enterprise data sources.

Responsibilities

• Understand business use cases for GenAI/Agentic AI solutions and define technical approach.
• Develop GenAI features using Python and the approved tech stack; build chat, search, and Q&A components.
• Integrate LLM APIs with backend, configure vector stores, and implement tool calls for agents.
• Test prompts, validate RAG outputs, and ensure security and observability.

Skills

GenAI app dev

Agentic AI concepts

Prompt engineering

RAG implementation

LLM API integration

Python

REST API development

SQL basics

Vector databases

Git-based development

Education

BE / BTech / MSc / MCA or equivalent

Tools

LangChain

LangGraph

LlamaIndex

OpenAI / Azure OpenAI

Claude / Gemini / AWS Bedrock

FastAPI / Flask / Node.js

Docker / CI/CD basics

Azure / AWS / GCP

Job description

Job Description AI Developer - GenAI / Agentic AI

Job Title: AI Developer GenAI / Agentic AI

Experience: 3+ years

Flexible based on hands-on fit. Candidates with strong AI project experience can also be considered.

Location / Shift:

• India / Remote / Hybrid / Work from Office as per project need
• Client shift may apply
• Multi-region team collaboration may be required

Role Summary:

You will develop GenAI and Agentic AI solutions. You will build AI assistants, RAG-based solutions, and agent workflows. You will work with LLMs, prompts, APIs, tools, vector databases, and enterprise data sources. You will support development, testing, deployment, and production support. You will work with architects, senior developers, business teams, and delivery teams.

Primary Skills:

Must Have:

• GenAI application development
• Agentic AI concepts and implementation
• Prompt engineering
• RAG implementation
• LLM API integration
• Python
• REST API development and integration
• SQL and basic data handling
• Vector database and embeddings basics
• Git-based development

Good to Have:

• LangChain / LangGraph / LlamaIndex
• OpenAI / Azure OpenAI / Claude / Gemini / AWS Bedrock
• Agent tools, function calling, and workflow orchestration
• Model Context Protocol
• FastAPI / Flask / Node.js
• Docker and basic CI/CD
• Cloud basics: Azure / AWS / GCP
• LLM evaluation and observability basics
• Responsible AI and AI governance awareness

Key Responsibilities:

1) Requirement Understanding

• Understand business use cases for GenAI and Agentic AI solutions.
• Clarify user needs, expected output, data sources, and workflow steps.
• Understand whether the solution needs chatbot, RAG, agent, automation, or decision-support capability.
• Identify assumptions, dependencies, risks, and open points.
• Work with architect and senior developers to finalize technical approach.
• Support estimation for assigned tasks.

2) Solution Design

• Support low-level design for assigned AI modules.
• Design prompt flow, API flow, and response flow for assigned features.
• Support RAG design using approved enterprise documents or databases.
• Help define agent workflow steps, tools, fallback handling, and human review points.
• Keep design simple, secure, and easy to maintain.
• Follow architecture guidance and project standards.

3) Development / Implementation

• Develop GenAI features using Python or other approved technology stack.
• Build LLM-based chat, search, summarization, classification, and Q&A features.
• Develop RAG pipelines using embeddings, vector search, and retrieval logic.
• Create and improve prompts for better response quality.
• Build agent workflows that can call tools, APIs, or backend services.
• Implement structured outputs like JSON where required.
• Write clean, readable, and maintainable code.
• Follow coding standards, branch process, and code review comments.

4) Integration / Configuration

• Integrate LLM APIs with application backend.
• Connect AI solutions with enterprise systems, APIs, files, databases, and knowledge sources.
• Configure vector databases and document retrieval pipelines.
• Configure environment variables, model settings, API keys, and service connections securely.
• Support tool-use / function-calling implementation for agents.
• Support integration with cloud services where needed.
• Work with DevOps and platform teams for environment setup.

5) Testing & Validation

• Test prompts with different user scenarios.
• Validate RAG responses against source documents.
• Perform unit testing and integration testing for assigned components.
• Test agent workflows, tool calls, API calls, and fallback paths.
• Validate AI output for accuracy, relevance, safety, and consistency.
• Fix defects found during testing and UAT.
• Prepare test evidence and validation notes.

6) Performance Optimization

• Improve prompt quality and reduce unnecessary model calls.
• Optimize retrieval logic, chunking, metadata filters, and context usage.
• Support response time and token usage optimization.
• Tune API calls, retry logic, timeout, and caching where required.
• Identify weak responses and suggest improvement actions.
• Support cost-aware design and efficient execution.

7) Security, Compliance & Governance

• Follow secure coding and data handling practices.
• Use only approved data sources and approved APIs.
• Avoid exposing API keys, tokens, passwords, or confidential data.
• Support access control and audit logging as per design.
• Follow responsible AI guidelines for safe and reliable output.
• Add guardrails and validation checks where required.
• Escalate data privacy or unsafe-output concerns early.

8) Deployment & Release Management

• Support deployment across Dev / Test / UAT / Prod environments.
• Prepare code changes for review and release.
• Follow Git and CI/CD process as per project setup.
• Support release notes and deployment checklist preparation.
• Perform post-deployment validation.
• Support rollback or quick fix activities when required.

9) Production Support & RCA

• Support production issues related to AI responses, APIs, retrieval, agents, and latency.
• Check logs and identify basic failure reasons.
• Debug issues related to wrong answers, missing context, tool failure, or API errors.
• Provide RCA inputs for recurring issues.
• Implement fixes with proper testing.
• Support hyper-care after production release.

10) Documentation & Knowledge Transfer

• Prepare technical notes for assigned AI components.
• Document prompt behavior, API usage, RAG flow, tool flow, and configuration steps.
• Maintain test cases and validation results.
• Update support notes and runbooks where required.
• Share implementation details with team members.
• Support knowledge transfer to QA, support, and delivery teams.

11) Agile Delivery & Collaboration

• Work in Agile/Scrum delivery model.
• Participate in daily stand-ups, sprint planning, reviews, and retrospectives.
• Provide clear daily updates on progress, blockers, and next steps.
• Work closely with AI architects, senior developers, QA, business analysts, and DevOps teams.
• Take ownership of assigned stories and deliver on time.
• Raise risks and blockers early.

Tools / Technologies

• Cloud / Platform: Azure / AWS / GCP
• AI Tools: OpenAI, Azure OpenAI, Claude, Gemini, AWS Bedrock, local/open-source LLMs
• Agentic AI Tools: LangChain, LangGraph, LlamaIndex, Agents SDK, MCP
• Data Tools: Vector databases, embeddings, document parsers, RAG pipeline
• Database / Warehouse: PostgreSQL, SQL Server, MongoDB, Vector DB
• Programming Languages: Python, JavaScript / TypeScript, SQL
• API / Backend: FastAPI, Flask, Node.js, REST APIs
• DevOps Tools: Git, GitHub, Azure DevOps, Docker, CI/CD basics
• Monitoring Tools: Application logs, API logs, cloud monitoring, LLM evaluation logs
• Documentation Tools: Jira, Confluence, SharePoint, Azure Boards

Qualification

• BE / BTech / MCA / MSc / BSc / BCA or equivalent practical experience
• AI / GenAI / Cloud / Python certification is good to have
• Hands-on project experience in chatbot, RAG, LLM, AI agent, or automation use case is preferred

Soft Skills

• Clear communication
• Strong learning mindset
• Ownership of assigned work
• Good problem-solving ability
• Team collaboration
• Curiosity to learn new AI tools
• Good documentation habit
• Delivery-focused mindset

Relocation Supported: No

Visa Sponsorship Approved: No

At Fujitsu, we are committed to an inclusive recruitment process that values the diverse backgrounds and experiences of all applicants. We believe that hiring people from a wide variety of backgrounds makes us stronger, not because it''s the right thing to do, but because it allows us to draw on a wider range of perspectives and life experiences.