Senior Back-End Developer

We are seeking a highly skilled and experienced Senior Back-End Developer to join our dynamic team. This pivotal role demands a seasoned professional with a rich background in back-end development.

What will you do:

• Design and implement scalable backend services using NestJS and PostgreSQL, following clean architecture principles.
• Define and maintain TypeORM entities, manage migrations, and ensure data integrity through relationships, constraints, and custom queries.
• Implement role-based access controls, data sanitization, and secure authentication mechanisms (JWT, sessions, etc.).
• Optimize application performance via query optimization, caching strategies, and efficient database design.
• Participate in code reviews, architecture discussions, and contribute to improving development processes and internal tooling.
• Troubleshoot production issues, perform root-cause analysis, and continuously improve system observability and logging.
• Experience working with AI APIs such as OpenAI (GPT models), Anthropic, or Hugging Face to build intelligent backend services or assistants.
• Ability to integrate AI features into existing product workflows — such as content generation, summarization, intelligent suggestions, or chat interfaces.
• Design secure and scalable ways to consume AI models, manage tokens, and handle prompt engineering.

What we expect:

• Proven experience building scalable backend systems using NestJS (modular architecture, providers, interceptors, guards, middleware)
• Strong understanding of dependency injection, decorators, and lifecycle hooks in NestJS
• Ability to design and maintain clean architecture (separation of concerns, domain-driven structure)
• Experience with NestJS modules, custom pipes, and global exception filters
• Building and consuming RESTful APIs  endpoints with proper DTOs and validation
• Hands-on expertise in PostgreSQL, including:
  • Advanced SQL querying, window functions, aggregation, date/time manipulation
  • Schema design, foreign key relationships, and enforcing data integrity with constraints
  • Experience with triggers, stored procedures, and optimizing read/write queries
• Deep TypeORM proficiency:
  • Handling cascading deletes, default timestamps, and migrations
  • Writing custom queries with QueryBuilder, and handling complex filtering logic
  • Managing and evolving DB schema using typeorm migrations

What we offer:

- Opportunities for professional development and personal growth 🚀

- Competitive salary, reasonable and fair working conditions 💵

- A ridiculously awesome team and work environment 🎉

- Training opportunities, including paid courses and webinars 💻

- Remote working conditions 🏠

- Generous PTO and Holidays 🌴

Join us and let's make some social media magic happen! Apply now!🔮