This is a fully remote position, open to applicants in Bulgaria.

📋 Description

• Create and execute intricate workflows, APIs, and UI backends for payment systems.

• Engage in Test-Driven Development (TDD) utilizing tools such as JUnit.

• Assist in scaling highly available payment services to maintain 99.99%+ uptime.

• Leverage AI coding assistants and agents for tasks such as implementation, refactoring, test generation, code review, and legacy code analysis, while ensuring the quality of their output.

• Contribute to collective AI tools, which include agent skills, project guidelines, prompt templates, and MCP server configurations.

• Employ secure and responsible AI methodologies within a PCI DSS framework.

• Safeguard cardholder data, secrets, and other sensitive information from being accessed by AI tools.

⛳️ Requirements

• 9-10+ years of experience with core Java and/or J2EE, Spring.

• Familiarity with ORM solutions, such as Hibernate.

• Database proficiency with open-source systems like MySQL and/or PostgreSQL.

• Experience in JavaScript along with solid front-end capabilities.

• Proficient in TDD/BDD methodologies, including JUnit, etc.

• Practical, day-to-day engagement with AI coding assistants or agentic tools (e.g., Claude Code, Kiro, Cursor, GitHub Copilot), which involves crafting effective prompts and specifications and critically evaluating AI-generated code.

• Comprehensive understanding of how AI agents interface with engineering tools via MCP (Model Context Protocol) servers, such as GitHub, Jira, Confluence, and databases, along with awareness of associated risks like prompt injection and over-permissioned access.

• CV must be submitted in English only.