Senior Full Stack Engineer

Ciklum is looking for a Senior Full Stack EngineerE to join our team full-time in India.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.

Responsibilities:

• Autonomous Multi-Agent Systems: Design, orchestrate, and deploy robust multi-agent graphs using LangGraph and LangChain for complex pharma workflows (e.g., automated literature synthesis, adverse event extraction, clinical trial protocol drafting, internal code/data validation)
• Enterprise RAG Architectures: Build and benchmark advanced RAG pipelines incorporating hybrid semantic search, domain-specific embeddings (e.g., BioBERT, PubMedBERT), reranking, and chunking strategies on AWS OpenSearch and vector datastores
• AWS Bedrock & Model Orchestration: Integrate foundation models (Claude/Anthropic, Llama, custom fine-tuned bio-LLMs) via AWS Bedrock. Experience implementing AWS Bedrock Agents / AgentCore and custom Action Groups for structured downstream execution
• Agent Governance & Safety: Build deterministic guardrails using Amazon Bedrock Guardrails, automated citation attribution, hallucinations detection, human-in-the-loop (HITL) checkpoints, and audit trails required for clinical reproducibility
• Backend Development: Build production-grade, asynchronous RESTful and streaming APIs using Python (FastAPI), managing complex state lifecycles and background worker processes (Celery/Redis/SQS)
• Frontend Engineering: Engineer rich, responsive web applications in React.js (TypeScript), crafting intuitive interfaces for complex clinical dashboards, token-streaming chats, graph visualizations, and validation workflows
• Database & Persistence: Design high-throughput relational and non-relational schemas (PostgreSQL/PGVector, DynamoDB, DocumentDB/MongoDB) handling structured metadata and unstructured clinical assets
• Cloud Infrastructure: Architect containerized solutions using Docker, orchestrated via AWS ECS (Fargate) or Kubernetes, paired with serverless triggers (Lambda, Step Functions, EventBridge, S3)
• Pharma & Healthcare Compliance: Implement end-to-end data security controls for PHI/PII protection in compliance with HIPAA, GDPR, GxP, and 21 CFR Part 11
• Auditability & Validation: Implement immutable audit logging, SOUP (Software of Unknown Provenance) scanning, anti-malware workflows, SonarQube quality gates, and automated test pipelines using pytest and Playwright/Selenium

Requirements:

• Total Experience: 6+ years of full-stack software development, with at least 2 years of direct experience building and deploying GenAI and Agentic workflows in production
• Python Mastery: Expert in Python 3.x, FastAPI, async programming, and enterprise API design patterns
• Modern Frontend: Strong hands-on proficiency in React.js, state management (Redux Toolkit/Zustand), WebSockets/Server-Sent Events (SSE) for real-time model streaming, and scientific data visualization libraries
• Production Agentic AI:
• Proven production deployment of agentic workflows using LangGraph (state graphs, cyclical workflows, reflection, and multi-agent debate/handoffs) and LangChain
• Deep experience in Tool Calling, Function Calling, Dynamic Routing, and Model Context Protocol (MCP)
• Hands-on expertise building enterprise RAG systems with query rewriting, self-correction, and hybrid search
• AWS Ecosystem: Deep hands-on experience with AWS Bedrock, OpenSearch, ECS, Lambda, S3, IAM, CloudWatch, and EventBridge
• DevOps & Testing: Solid containerization expertise (Docker), GitLab CI/CD or GitHub Actions, static security analysis, unit testing (pytest), and integration testing

Desirable:

• Domain Knowledge: Prior exposure to Pharmaceutical, Biotech, Clinical Trials, Pharmacovigilance, or Medical Imaging (DICOM standards, AWS HealthImaging, clinical data formats such as CDISC/FHIR/HL7)
• AWS Agentic Specialization: Hands-on experience with AWS Bedrock Agents / AgentCore configuration and OpenAPI schemas
• Model Training & Fine-Tuning: Familiarity with hosting and experimenting with specialized open-weight models (BioMistral, Med-PaLM, Ollama, Hugging Face) using AWS SageMaker
• Certifications: AWS Certified Solutions Architect (Associate/Professional) or AWS Machine Learning Specialty

What’s in it for you?

• Strong community: Work alongside top professionals in a friendly, open-door environment
• Growth focus: Take on large-scale projects with a global impact and expand your expertise
• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
• Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

India is a strategic innovation hub for Ciklum, with growing teams in Chennai and Pune leading advancements in EdgeTech, AR/VR, IoT, and beyond. Join us to collaborate on game-changing solutions and take your career to the next level.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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