Software Engineer (Python / AI solutions)

Job Description

We are looking for a

Backend Engineer

with strong Python development experience to build and enhance scalable backend services and

AI-powered applications, including LLM and chatbot solutions

. You will work closely with product, AI/ML and engineering teams to develop APIs, integrate AI models and deliver reliable production-grade applications.

Working Hours: Mon-Fri

Working Location: Central

Job Type: Contract

Salary Package: Up to $10,000 (basic) + AWS

Key Responsibilities

Design, develop and maintain

backend applications and services using Python

.

Build scalable and secure

RESTful APIs / backend services

to support web, mobile and AI applications.

Develop and enhance

LLM-powered applications and conversational chatbot solutions

.

Integrate applications with

Large Language Models (LLMs)

and external AI/model APIs.

Implement

Retrieval-Augmented Generation (RAG)

workflows to retrieve relevant enterprise information and improve LLM responses.

Develop data ingestion, document processing, embedding and retrieval workflows for AI applications.

Work with

vector databases/search technologies

to support semantic search and knowledge retrieval.

Implement

prompt engineering, context management and conversation workflows

for chatbot applications.

Integrate backend services with databases, enterprise systems and third-party APIs.

Develop reusable and maintainable backend components following good software engineering practices.

Perform

unit testing, integration testing, debugging and performance optimisation

.

Monitor and troubleshoot application performance and production issues.

Implement appropriate security, authentication, logging and error-handling mechanisms.

Containerise and deploy applications using

Docker and cloud environments

.

Participate in code reviews and contribute to application architecture and technical design.

Collaborate with Product Managers, AI/ML Engineers, frontend developers and other stakeholders throughout the development lifecycle.

Maintain technical documentation and support continuous improvement of development practices.

Requirements

Degree in

Computer Science, Software Engineering, Information Technology

or a related discipline.

Relevant experience in

backend/software development

, with strong hands-on programming experience in

Python

.

Experience with Python backend frameworks such as

FastAPI, Flask or Django

.

Strong understanding of

REST APIs, microservices and backend application architecture

.

Hands-on experience developing or integrating

LLM, Generative AI or chatbot applications

.

Familiarity with LLM platforms/models such as

OpenAI, Azure OpenAI, Anthropic, Gemini, Llama or equivalent

.

Experience with

RAG, embeddings, semantic search and vector databases

would be highly advantageous.

Familiarity with AI/LLM frameworks such as

LangChain, LlamaIndex or equivalent

would be beneficial.

Experience working with relational and/or NoSQL databases such as

PostgreSQL, MySQL, MongoDB or Redis

.

Good understanding of

Git, CI/CD, Docker and cloud environments

.

Experience with

AWS, Azure or GCP

would be advantageous.

Knowledge of authentication, application security and secure API development.

Strong software engineering fundamentals, including

data structures, testing, debugging and system design

.

Strong analytical and problem-solving skills with the ability to work effectively in cross-functional teams.

Key Technical Skills

Python | FastAPI / Flask / Django | REST API | Backend Development | LLM | Generative AI | Chatbot | RAG | Prompt Engineering | Embeddings | Vector Database | LangChain / LlamaIndex | SQL / NoSQL | Docker | CI/CD | AWS / Azure / GCP

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Elane Yap Theng Yu- R1989397

ScienTec Consulting Pte Ltd - 11C5781