Senior Python Backend Engineer (AI + Agent Orchestration)

Particle Execution

4 years

0 Lacs

India

Posted:12 hours ago| Platform:

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Skills Required

python ai orchestration scaling writing content support slack notion software development automation shipping learning routing fastapi hubspot drive architecture security zapier sql ml flask django openai api workflow devops docker gcp strategy cutting

Work Mode

On-site

Job Type

Full Time

Job Description

About Us

Particle Execution

a suite of AI Agents

We’ve just launched to our first paying customers and are scaling fast.

The Role

senior backend engineer

Architecting and scaling agent workflows (LangGraph or LangChain-style)
Architecting and scaling our products backend
Designing APIs that support dynamic, memory-augmented agents
Integrating with 3rd-party tools like CRMs, Slack, Notion, Google Drive
Helping productionize memory (vector DBs + custom feedback logic)

You’ll work closely with our Software Development team, Product Designer, AI automation engineers, and product founders - shipping fast, learning from users, and iterating quickly.

What You’ll Work On

Building
dynamic agent routing workflows
(LangGraph-style graphs)
Developing & maintaining backend APIs (FastAPI or similar)
Integrating
external systems
like Hubspot, Google Drive, Notion, etc.
Handling
vector-based memory + feedback
and storing context intelligently
Contributing to overall product architecture (auth, user access, security, etc.)
Potentially helping architect early self-serve features (e.g. Zapier-style connections)

Requirements

4+ years backend development experience in Python
Experience with Postgres as well or any SQL based database
Strong expertise in in AI & ML & NLP
Strong knowledge of
FastAPI
, Flask, Django or similar
Experience with
LLM tooling
: LangChain, OpenAI, Pinecone/Weaviate/Chroma, etc.
Comfortable designing and implementing
stateful workflows
Solid understanding of
async Python
and API-first development
Familiarity with vector databases, embeddings, and RAG concepts
Hands-on experience building and maintaining scalable systems
Startup-ready: fast-moving, self-directed, hands-on

Bonus (but not required)

Experience using or contributing to
LangGraph
Background in agent-based modeling or state machines
Experience building agent orchestration or workflow engines
Familiarity with CrewAI, AutoGen, or similar frameworks
DevOps skills (Docker, CI/CD, GCP, etc.)

Why Join Us

Be part of a
zero-to-one product
with massive potential
Work directly with experienced founders and a sharp technical team
Influence architecture and product strategy from day one
Get exposure to cutting-edge AI infrastructure

More Jobs at Particle Execution

Senior Python Backend Engineer (AI + Agent Orchestration)

India

4.0 - 4.0 yrs

Salary: Not disclosed

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