Senior Python Engineer

India | Sept. 3, 2026

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Company: Ciklum

Country: India

Type: Onsite

Employment: Full Time

Description:

Ciklum is looking for a Senior Python Engineer  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 Python Engineer , become a part of a cross-functional development team engineering experiences of tomorrow. We are looking for a Senior Python Developer with deep expertise in Python backend architecture, AWS cloud infrastructure, and modern data systems to build performant, event-driven applications. In this role, you will lead the backend design, manage scalable cloud infrastructure, maintain robust data layers, and integrate emerging AI/LLM components while working across the full application stack.

Responsibilities:

• Backend & System Architecture: Architect and maintain high-performance microservices, REST APIs, WebSockets, and background job processing leveraging Python and FastAPI. Design resilient, event-driven systems built for scale
• Cloud Infrastructure & DevOps: Drive AWS infrastructure deployment (ECS/EKS, Lambda, RDS, S3, API Gateway) using Terraform or AWS CDK. Build automated CI/CD pipelines with GitHub Actions and monitor overall system health
• Database & Data Management: Model, optimize, and maintain relational (PostgreSQL), NoSQL (DynamoDB), and in-memory (Redis) databases to ensure fast query performance and high availability
• Frontend Engineering: Build responsive user interfaces using React, Next.js (App Router), TypeScript, and Tailwind/MUI, integrating state management and secure authentication flows
• Security & Auth: Enforce enterprise-grade API security, OAuth/JWT authentication, Role-Based Access Control (RBAC), and centralized secrets management across all services
• AI & Agentic Integrations: Implement AI capability integrations using prompt engineering, structured outputs, RAG workflows, vector databases, and agentic frameworks (e.g., LangGraph, PydanticAI, CrewAI)

Testing & Quality: Ensure system stability through robust testing pipelines using Pytest, comprehensive API test suites, and basic LLM evaluations

Requirements: 

• Backend: Python, FastAPI, Async Programming, REST APIs, WebSockets, Background Jobs
• AWS: ECS/EKS, Lambda, API Gateway, S3, IAM, Secrets Manager, CloudWatch, RDS, Bedrock
• Strong Proficiency
• Databases: PostgreSQL, DynamoDB, Redis, Advanced SQL Optimization
• Architecture: Microservices, Event-Driven Architecture, Scalable API Design
• DevOps: Docker, CI/CD Pipelines, GitHub Actions, Infrastructure as Code (Terraform or AWS CDK), Monitoring
• Security: OAuth/JWT, RBAC, Secrets Management, API Security
• Medium Proficiency
• Frontend: React, Next.js (App Router), TypeScript, Tailwind CSS / MUI, State Management, Client-Side Authentication
• Testing: Pytest, Automated API Testing, LLM Performance Evaluation 
• Working / Basic Knowledge
• AI/LLM Engineering: Prompt Engineering, Structured Outputs, Tool Calling, RAG, Embeddings, Vector Databases
• Agentic Frameworks: LangGraph, PydanticAI, OpenAI Agents SDK, CrewAI (or similar frameworks)

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 lea

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