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November 4, 2026
AI Software Engineer
Senior • Remote
Warsaw, Poland
Quick Facts
Employment: B2B contract
Work mode: Remote
Project: Development of a global SaaS platform
Description
Build and deliver full-stack capabilities for a global SaaS platform, covering web, mobile, and backend services. Leverage AI programming tools and agents (e.g., Claude Code) throughout the development lifecycle to plan, create, test, and refactor code, and to build supporting agent infrastructure (e.g., MCP servers and integrations). Design and implement highly available, multi-region cloud solutions on Google Cloud Platform and automate delivery with CI/CD, containerization, and deployment automation.
Responsibilities
Design, develop, test, and deploy fullstack features for SaaS web/mobile apps and backend services
Use AI tools and orchestration/agent frameworks at every stage of development
Develop tools that support AI agents, including MCP servers, integrations with internal systems, and custom skills/commands/sub-agents
Architect cloud solutions with high availability across multiple Google Cloud Platform regions
Improve CI/CD processes, containerization, and deployment automation
Requirements
Minimum 10 years of software development experience, including production systems at scale
Minimum 3 years of practical experience building AI-supported software and using AI across the SDLC
Documented experience delivering production software using AI agents to plan, create, test, and refactor code
Very strong knowledge of ReactJS, React Native, and JavaScript/TypeScript
Backend experience with Java (Spring Boot) and Node.js
Knowledge of microservices architecture, REST/GraphQL APIs, event-driven integrations, and relational and non-relational databases
Knowledge of CI/CD (e.g., GitLab, Jenkins, ArgoCD) and containerization with Docker and Kubernetes
Practical knowledge of Claude Code, including CLAUDE.md configuration, and building custom skills, commands, sub-agents, and hooks
Benefits
Long-term stable B2B contract employment
Opportunity to grow in a large structure and direct access to the team manager
Work in an organization where IT practices are mature and agile methodologies are respected
MultiSport card co-payment and insurance
Flexible start time window: 7:30–9:30
Fast interview process (online video); up to 2 online meetings (team member, then manager)
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