Node.js Developer

Office, Limassol

We build backend systems with a strong focus on reliability, correctness, and observability. Our engineering culture emphasizes strict quality standards, automation, and clean architecture from day one.

Responsibilities

• 100% test coverage enforced, mutation testing, strict linting and compilator settings for maximum type safety

• Automated git hooks, CI/CD with review-environments

• Explicit function return types, exhaustive switch checks, functional patterns

• CLI tools, health checks, metrics, structured logging

• Prometheus metrics and Loki logs in Grafana, alerting in Slack

Requirements

• Professional Node.js/TypeScript experience with complex backend systems

• Deep understanding of TypeScript’s type system and best practices (we use @tsconfig/strictest preset)

• Ability to write highly reliable code and robust unit- and integration tests

• Experience with NestJS or similar DI-based frameworks

• SQL databases and transactions, ORM (we use TypeORM)

• Message queue experience (RabbitMQ, Kafka, or similar)

• SOLID/GRASP principles, GoF/enterprise patterns

• OO-design

• Strong knowledge of TCP/IP stack

• Familiarity with OWASP Top 10, security best practices

• Written English level B2 and above 

Will be plus

• Telecommunications or messaging platform experience (SMPP protocol, WhatsApp, Telegram, GSM7, UCS2 data codings)

• Node.js profiling

• TCP-based protocol implementation and data encoding knowledge

• Docker

• DDD

• Familiarity with DevOps (k8s, helm, werf)

• Functional programming patterns (Result types, Option types, monads)

• Zod or similar inferred schema validation libraries

• Active Github account

We offer

• Remote work

• Flexible start of the day

• Paid leave of 21 days