Posted today · be early

Python Developer (AI focus)

WeSoftYou

WorldwideremotePosted today

Skill Required

Python-DeveloperBackend-EngineerAI-EngineerSoftware-EngineerAPI-DeveloperAI-Python-DeveloperIntermediate-Python-Developer-AI-MLPython-AI-EngineerAI EngineerPython DeveloperPythonAISystem DesignCD pipelinesEngineeringautomationdevelopingObservabilityLangChaindesigningbuildingFastAPIfintechwrittenetc.)RESTTestNGDjangodesignDevOpsCI/CDDesign PatternsAPIsGenerative AIWeb3.jsFulltime

Key highlights

3+ years of commercial Python experience
Remote working model
Expertise in LLMs, LangChain, and RAG
B2 English proficiency required
18 paid days off + 2 public holidays

Role overview

WeSoftYou is an Inc. 5000 US-based product development company delivering software for venture-backed startups and enterprise organizations across industries including Healthcare, e-Learning, Retail, Web3, Fintech, and AdTech. They are looking for a highly skilled Python Developer to join their engineering team to build scalable, AI-powered backend solutions, collaborating with product managers, AI engineers, and frontend developers to deliver high-performance applications leveraging LLMs, external data providers, and intelligent automation workflows.

Responsibilities

Design, develop, and maintain scalable backend services using Python.
Build and enhance RESTful APIs using Django REST Framework and FastAPI.
Integrate and optimize AI services, including Large Language Models (LLMs) and third-party model APIs.
Develop and maintain Retrieval-Augmented Generation (RAG) systems, including vector databases, embedding pipelines, and retrieval mechanisms.
Implement AI orchestration workflows using LangChain and related frameworks.
Integrate multiple external APIs and data providers into backend systems.
Design reliable, maintainable, and high-performance system architectures.
Participate in technical design discussions, code reviews, and architectural decisions.
Ensure software quality through automated testing, CI/CD pipelines, and monitoring practices.
Troubleshoot and resolve production issues while continuously improving system reliability and performance.

Requirements

3+ years of strong commercial experience with Python.
Proven experience with Django REST Framework and FastAPI.
Hands-on production experience integrating AI solutions, including LLMs and model APIs.
Strong knowledge of LangChain and Retrieval-Augmented Generation (RAG) architectures.
Experience working with vector databases, embeddings, semantic search, and retrieval systems.
Solid experience integrating multiple third-party APIs and external data sources.
Strong understanding of software architecture and system design principles.
Experience building scalable and reliable backend systems.
Knowledge of CI/CD processes and modern DevOps practices.
Experience with automated testing and application monitoring.
Strong problem-solving skills and ability to work independently.
English proficiency at B2 level or higher — mandatory for daily written and verbal communication with the international team.

Benefits

Ambitious goals and interesting projects
Regular & transparent performance review and feedback process
Possibility for both vertical or horizontal growth (in case you want to try a different path)
Flexible working hours
Provision of required equipment
Remote working model
18 paid days off + 2 public holidays
Free tax reporting support by our Financial department
Help with individual entrepreneurs’ questions and accounting support
Financial support and additional days off for various occasions (e.g. marriage, childbirth, etc.)