Senior Python Software Engineer - AI REQ_

Senior Python Software Engineer - AI  Remote
- Czech Remote, Czech Remote, Czech Republic Employee Regular Job Description

Greetings, future tech savant:

Embark on an exciting journey into the realm of software development with 3

Pillar! We are looking for an experienced Senior AI-enabled Engineer to drive the modernization of our core platform. We need a pragmatic, senior-level engineer, comfortable across a Python backend and ideally a React frontend on AWS, who can tackle complex technical debt, own architectural decisions, and help us scale our cloud-based system. If you are passionate about building scalable, maintainable distributed systems and want to make a tangible impact on a product used by a global customer base, this is the role for y ou.

• Craft client code that is not just efficient but also performant, testable, scalable, secure, and of the highest quality.
• Work within an AI-driven development workflow, applying spec-driven development practices (writing clear specs/prompts that steer AI-assisted implementation) and using Git Hub Copilot as a core part of the daily engineering workflow.
• Ensure code is secure through Software Composition Analysis (SCA), and drive remediation through triaging, prioritization, remediation and verification.
• Provide accurate status tracking, reporting, and estimation using project methods and tools.
• Gather requirements, validate their understanding amongst the team, and create and maintain relevant documentation.
• Design and implement scalable AI and agentic workflows using LLMs, focusing on reliability and observability.
• Contribute to frontend features in React alongside backend services.
• Execute activities within the current methodology and uphold the highest quality standards.
• Partner directly with Product and Engineering leadership to translate complex business requirements into scalable technical solutions.
• Identify and remediate technical debt to improve system stability, performance, and developer velocity.
• Take ownership of projects, from technical design to a successful launch.
• Participating in code reviews to maintain code quality and consistency.

• Extensive senior-level professional experience in software engineering, with strong depth in Python and distributed systems.
• Proven ability to own technical features from design through to production deployment with minimal supervision.
• Deep understanding of system design, architecture, and the ability to solve ambiguous technical challenges.
• Expertise with Git source control tools (Github, Gitlab or others)
• Expertise with Python package management (UV, Conda or others)
• Experience with unit testing (Pytest).
• Experience building production frontend applications in React, alongside backend services at scale.
• Experience with managing Docker containers, and orchestration with Kubernetes and AKS.
• Intermediate level design proficiency following UML / C4 / Archi Mate.
• Experience in engineering software systems of medium-to-large scope and complexity.
• Proficiency with relational databases.
• Experience deploying and operating systems on AWS.
• Working knowledge of Git Hub Copilot (or similar AI coding assistant) and spec-driven development practices in an AI-assisted engineering workflow.
• Familiarity with Agile software development methodologies.
• Proficiency in the English language.

• Knowledge of Python web frameworks (Flask or others)
• Knowledge of Snowflake
• Experience with Agentic frameworks (e.g., MCP, A2A)
• Knowledge of workflow orchestration platforms (Apache Airflow, Automic Automation or others)
• Knowledge of protocols like HTTP, and serialization formats like JSON and XML.
• Knowledge of SCA platforms (Github Advanced Security, Snyk, Checkmarx or others)
• Familia…