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Backend Engineer AI

atlysDelhi HQEngineering
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Salary
Not listed
Job type
Full-time
Experience
Senior · 4+ yrs
Posted
30 Sept 2026
Status
Open · checked 7d ago

About this role

The Backend Engineer AI position at atlys, located at the Delhi HQ, suits an engineering professional with a strong backend foundation in Python who wants to scale applied AI and LLM systems for global travel workflows. The organization focuses on removing paperwork friction from international travel by building an AI-first platform.

Role Overview

The Backend Engineer AI role involves developing the infrastructure required to put artificial intelligence into production at atlys. The professional selected will optimize visa processing speeds and simplify journeys for users globally by managing production-ready AI services.

Key Responsibilities

Design and implement AI-native backend services using Python to manage language models, agents, and tool integrations across primary product workflows.
Develop evaluation frameworks and reinforcement learning loops, utilizing reward modeling, reinforcement learning from human feedback, and fine-tuning to elevate agent performance.
Scale infrastructure for high volume and cost efficiency through asynchronous, event-driven architectures that manage peak traffic while controlling latency and token expenses.
Take full ownership of systems from initial design through production deployment, maintaining robust monitoring, observability, and testing practices.

Requirements

Possess 4 to 7 years of backend engineering experience, featuring practical involvement in building and operating language model features in live production environments.
Demonstrate high proficiency in Python, including asynchronous programming and production deployment using frameworks like FastAPI, Django, or Flask.
Show hands-on expertise with language model application programming interfaces including OpenAI, Anthropic, and Gemini, alongside technologies like retrieval-augmented generation and vector databases such as Pinecone, Weaviate, or pgvector.
Maintain strong knowledge of distributed systems, databases, and cloud infrastructure, encompassing PostgreSQL, Redis, message queues like Kafka, SQS, or Celery, containerization tools, Kubernetes, and major cloud providers like AWS or GCP.

Nice to Have

Practical exposure to agent frameworks such as LlamaIndex or LangGraph, self-hosted models, reinforcement learning techniques, or browser automation tools like Playwright.
Prior background building products within travel, financial technology, or other regulated domains.

Skills and Tools

Python
FastAPI
Django
Flask
PostgreSQL
Redis
Kafka
Celery
SQS
AWS
GCP
Docker
Kubernetes
Pinecone
Weaviate
LangSmith
Langfuse
OpenAI
Anthropic
Gemini

Salary and Benefits

Competitive compensation package alongside equity participation.
Comprehensive health insurance covering employee and family, complemented by annual preventive health check-ups.
Paid time off and company holidays.
Daily meals provided at the office, including lunch, high tea, and dinner.
Learning and development credits for courses, books, conferences, and tools.
Relocation assistance for candidates moving closer to the team.
High-specification hardware and software equipment.
Office recreational amenities including pickleball, table tennis, PlayStation, arcade games, an F1 simulator, and a flight simulator.

About the Company

atlys is an organization with a mission to enable unrestricted global travel for everyone by eliminating friction, uncertainty, and paperwork through an AI-first platform. The team has processed visas for over one million travelers across 127 countries and operates out of a Delhi headquarters.

How to Apply

Interested candidates should review the company values and apply directly on the official atlys careers page.

Skills and tech stack

PythonFastAPIDjangoFlaskPostgreSQLRedisKafkaSQSCeleryAWSGCPDockerKubernetesOpenAIAnthropicGeminiPineconeWeaviatepgvectorLangfuseLangSmithLangGraphLlamaIndexPlaywrightLLMLLMsRAGReinforcement LearningFine-tuningDistributed Systems

Questions candidates ask

Where is this job located?

This position is based at the atlys Delhi headquarters.

How many years of experience are required?

The role requires 4 to 7 years of backend engineering experience, which must include practical work building and running LLM-powered features in production.

What core programming language is needed?

The position requires exceptional strength in Python, including async Python and production experience with frameworks like FastAPI, Django, or Flask.

What benefits are provided with this role?

Benefits include competitive compensation with equity, health insurance for the employee and family, daily meals at the office, learning and development credits, relocation support, paid time off, and high-spec equipment.

How should I apply?

Candidates should apply directly on the official atlys careers page.

Ready to apply?

The application is on the official atlys careers page.

Apply on company site