Software Development Engineer (SDE)

Job Description

Responsibilities

Link to Apply is at the bottom of the JD. Please read the requirements carefully before applying.About LimeChatWhat are we looking for?We're seeking a skilled Software Development Engineer who excels in creating seamless connections between various systems and applications. If you're passionate about coding, love solving integration challenges, and enjoy working with APIs, you might be the ideal candidate.In this role, you'll collaborate closely with our development and product teams to design and implement robust integration solutions. Your work will ensure that different systems communicate effectively, creating a cohesive and efficient technology ecosystem. Join us to build integration solutions that enhance our technical capabilities and drive business success.ResponsibilitiesOwn client go‑lives:

Translate enterprise requirements into working GenAI deployments—scoping, coding, testing, and shipping on aggressive timelines.Build custom integrations:

Craft REST/webhook Connectors, Event Pipelines, And Data Syncs That Plug Our Agents Into CRMs, OMS, ERPs, And Bespoke Systems.Engineer GenAI Workflows

Orchestrate RAG pipelines, prompt chains, and fine‑tuning jobs, using tools like

LangChain and

PGVector .Design Deployment Architectures

Spin up scalable, secure clusters on AWS/GCP with

Docker ,

Kubernetes , and

Terraform/Helm .Instrument & Optimise

Track latency, token spend, and error budgets; debug across logs (Kibana), tracing, and databases to keep uptime > 99.9 %.Create playbooks:

Document repeatable patterns, SDKs, and IaC modules so future deployments are faster and safer.Partner cross‑functionally:

Work with Customer Success, Product, and Core Engineering to shape roadmap and close feedback loops.Must‑haves1–3  years building backend/integration solutions for

SaaS or platform products.Proficient in

Python or

Node.js

(FastAPI/Django/Express) and strong in

RESTful API design.Solid database chops— SQL

(PostgreSQL/MySQL) and

NoSQL

(MongoDB/Redis); comfortable writing performant queries and schema migrations.Hands‑on with

Docker containers,

Kubernetes/ECS , and at least one cloud provider ( AWS or

GCP ).Experience with

Git , code‑reviews, and CI/CD pipelines ( GitLab CI , Jenkins, or GitHub Actions).Debugging ninja: can trace requests across services, logs, and message queues to isolate bottlenecks quickly.Excellent written & verbal communication—able to simplify complex tech for clients and teammates.Nice‑to‑haveFamiliarity with

LLM/GenAI tooling (LangChain, LlamaIndex, Haystack) and vector stores (PGVector, Pinecone).Event‑driven architecture experience (Kafka, RabbitMQ, SNS/SQS).Infra‑as‑Code with

Terraform or

Pulumi ; observability stacks (Grafana, Prometheus).Security & compliance basics (SOC 2, ISO 27001) and secrets management (Vault, AWS KMS).Tech Stack @ LimeChatPython

• Node.js
• FastAPI/Django
• PostgreSQL
• MongoDB
• Redis
• RabbitMQ
• Docker
• Kubernetes
• AWS/GCP
• Terraform
• LangChain
• PGVectorGrowth PathYear 1: