Back End Developer

**Role Description** This is a full-time, on-site role for a **Senior Back-End Developer** based in Tirana. The ideal candidate is a seasoned engineer with deep expertise in Node.js and NestJS, capable of architecting robust, scalable, and maintainable server-side systems. You will lead the design and development of complex back-end services, define architectural patterns, mentor junior developers, and collaborate closely with front-end and DevOps teams to deliver high-quality software. **Qualifications** - 4+ years of professional back-end development experience - Expert-level proficiency in **Node.js** and **NestJS** (including modules, guards, interceptors, pipes, and decorators) - Strong knowledge of **Express.js** and its middleware ecosystem - Solid experience writing **unit and integration tests with Jest** (mocking, test coverage, TDD mindset) - Deep understanding of **software architecture patterns** — layered architecture, clean architecture, dependency injection, SOLID principles - Strong grasp of **OOP and functional programming** concepts - Experience designing and managing relational and non-relational databases (CockroachDB, ScyllaDB, ClickHouse) - Proficiency with **RESTful API** - Familiarity with **TypeScript** (strongly preferred) - Experience with **Docker** and basic CI/CD pipelines - Proficient with **Git** and collaborative workflows (branching strategies, code reviews) - Strong problem-solving skills and ability to make architectural decisions independently - Experience with microservices architecture is a plus Burimi: https://al.linkedin.com/jobs/view/back-end-developer-at-standard-software-development-4375555469

Niveli: mid level