5Blue Software - Senior AI Full-Stack Engineer

Ukraine1mo ago

Requirements

• Proven experience using AI coding assistants (Claude Code, Cursor, GitHub Copilot, or similar) as part of your daily development workflow. • Proven experience using AI coding assistants (Claude Code, Cursor, GitHub Copilot, or similar) • Strong software engineering fundamentals: • asynchronous processing (queues, retries, idempotency) • testing and debugging • Professional experience with at least one modern backend ecosystem such as Python, Node.js, Go, Java, .NET, PHP, or similar. • Python, Node.js, Go, Java, .NET, PHP, or similar • Ability to quickly learn new technologies and become productive in unfamiliar codebases. • Experience working with SQL and NoSQL databases. • Strong Docker and Docker Compose skills. • Experience with Git, code reviews, and collaborative development workflows. • Ability to evaluate AI-generated code, validate solutions, and take ownership of technical decisions. • Technology Stack: • Technology Stack: • Our platform is built with: • Backend: PHP 8.4+, Laravel 12, REST APIs, RabbitMQ, shared packages and reusable libraries • Backend: • Databases: MongoDB, PostgreSQL, MariaDB, Redis • Databases: • Frontend: Vue.js 2/3, Vite, Webpack, Vuex • Frontend: • Development & Quality: Docker & Docker Compose, Git, PHPStan, PSR Standards, automated testing, static analysis • Development & Quality: • You don't need experience with every technology listed above. Strong engineers from other ecosystems (Python, Node.js, Go, etc.) are welcome—we expect you to use AI tools and your engineering skills to ramp up quickly. • Previous experience with PHP/Laravel or Vue.js. • Experience with event-driven or microservices architecture. • Experience with ClickHouse or data pipelines. • Experience building shared libraries or reusable packages. • Experience with Cypress, Postman, AWS, or CI/CD pipelines. • Experience creating AI development workflows, custom agent tools, or automation. • Experience working in healthcare, fintech, or other regulated industries. • Is comfortable working across multiple services and technologies. • Understands the impact of changes across shared components and systems. • Pays attention to reliability, backward compatibility, and side effects. • Reviews and validates AI-generated code before production. • Is curious, adaptable, and continuously learns new technologies.

Responsibilities

• Build and maintain backend services and frontend features. • Design and implement APIs, integrations, and business workflows. • Work with asynchronous processing, queues, retries, and scheduled tasks. • Design reliable solutions across multiple services and databases. • Use AI tools to navigate complex codebases, accelerate development, and improve engineering workflows. • Own features end-to-end: analysis, implementation, testing, code review, and deployment. • Collaborate with the team on architecture decisions and continuous improvement.

Benefits

• Remote-first with a travel twist: work from anywhere in Europe, with opportunities for business trips and conferences. • Remote-first with a travel twist: • Great team culture: an international team focused on collaboration, ownership, and getting things done. • Great team culture: • Time off: 18 days of paid vacation + 7 days of paid sick leave. • Time off: • Equipment provided: everything you need to work effectively. • Equipment provided: • Cooperation via Deel: simple payments with multiple withdrawal options. • Cooperation via Deel: