Senior Software Engineer - NodeJS / NestJS / AI

RevoEngine develops an advanced low-code / backend-as-a-service platform supported by AI. The company works on a large production monorepo including backend, execution runtimes, automations, event-driven workflows, integrations, queue systems, AI agents, developer tools, and multi-cloud infrastructure.

• Minimum 7 years of commercial backend development experience.
• Strong knowledge of TypeScript.
• Extensive experience with Node.js, NestJS, Fastify/Express, and API design.
• Practical experience with Google Cloud Platform in production.
• Proficient with PostgreSQL, SQL, Redis, and data handling in production systems.
• Experience with service architecture, asynchronous processing, queues, events, triggers, webhooks, and background jobs.
• Ability to design stable API contracts, domain models, migrations, and persistence mechanisms.
• Practical experience with containerization and runtime environments.
• Experience with testing frameworks such as Jest and integration tests; Playwright is a plus.
• Ability to diagnose production problems accurately.
• Experience working in large monorepos and understanding module/service boundaries.
• Technical independence and responsibility for solution quality.
• Experience working with AI tools.
• Polish language proficiency at C2 level.
• English language proficiency at B2+ level.

Nice to have:

• Experience with OpenAI API, especially response API and latest models.
• Experience with Gemini API.
• Experience building AI agents, workflow automation, runtime orchestration, or developer tools.
• Experience with Go.
• Experience with Angular in complex enterprise applications.
• Experience with low-code/no-code platforms.
• Knowledge of AWS or Azure.
• Experience with WebSocket, SSE, event streaming, and real-time systems.
• Experience with sandbox/isolated execution/remote runtime systems.
• Experience with Eventarc, Pub/Sub, Cloud Tasks, Cloud Run, Firestore, or similar cloud-native services.

• Develop and enhance a large backend platform functioning as low-code / backend-as-a-service.
• Build and improve an AI agent and related runtime, tools, memory, streaming, validation, and automation.
• Design and implement backend services using TypeScript, Node.js, NestJS, and Go.
• Work on execution runtimes, integrations, asynchronous tasks, webhooks, triggers, and event-driven flows.
• Develop APIs, domain models, contracts, migrations, data layers, and persistence mechanisms.
• Operate within Google Cloud as the main production environment.
• Design scaling mechanisms, fault tolerance, retry policies, timeouts, queues, and background processes.
• Develop developer tools, execution/sandbox systems, and runtime infrastructure components.
• Analyze production issues using logs, events, database state, traces, and system flow.
• Write and maintain unit, integration, and end-to-end tests.
• Collaborate directly with product and technical teams on architectural decisions.

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