Python Developer, AI focus

WeSoftYou Inc.

Python Developer designing and maintaining scalable backend services with AI integration at WeSoftYou. Collaborating with engineers and product managers to deliver high-performance applications.

Posted 6/29/2026full-timeRemote • 🇺🇦 UkraineMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing scalable backend services using Python, with a strong focus on integrating AI solutions and optimizing system architectures. Proficient in building RESTful APIs and implementing CI/CD processes to ensure software quality and reliability.

Highest-signal resume keywords

Python DevelopmentDjango REST FrameworkFastAPILangChainRetrieval-Augmented Generation (RAG)

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Hard Skills

Backend DevelopmentAPI IntegrationAI Services IntegrationVector DatabasesEmbedding PipelinesAutomated TestingCI/CD ProcessesSystem ArchitecturePerformance OptimizationTroubleshooting

Soft Skills

Problem-SolvingIndependent Work

Industry Keywords

Large Language Models (LLMs)Semantic SearchData ProvidersMonitoring PracticesTechnical Design Discussions

Tech Stack

Tools & technologies

DjangoPython

About the role

Key responsibilities & impact

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

What you’ll need

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

Comp & perks

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.)