Middle Back-end Developer (Nest.js / Node.js)

Wetelo is a software development company building custom SaaS products since 2010. We partner with startups and growing businesses to design and develop scalable, business-driven products, taking full ownership from idea to long-term support.

We are looking for a Middle Back-end Developer (Nest.js / Node.js) to join our team. This role is a great fit for a developer who has experience building projects from scratch and is confident in designing clean, maintainable, and scalable backend architecture.

What You Will Work On
— Designing and developing REST APIs
— Building admin panels and internal tools
— Integrations with payment systems and third-party services
— Integrations with AI tools and external APIs
— Backend architecture setup from scratch
— Database design and optimization

Technical Stack
— Nest.js
— Node.js
— TypeScript
— PostgreSQL
— MongoDB

Requirements
Must have:
— 2-4 years of commercial back-end development experience
— Strong experience with Node.js and TypeScript
— Practical experience with Nest.js
— Experience building projects from scratch (architecture design, structure setup, environment configuration)
— Experience working with PostgreSQL and MongoDB
— Experience designing REST APIs
— Understanding of authentication and authorization mechanisms (JWT, role-based access)
— Experience integrating payment systems or third-party services
— Knowledge of database design and query optimization
— Experience using AI tools in daily development workflow (e.g., Claude Code, Codex or similar)
— Clean, maintainable, and scalable code practices
— English level: B1 or higher

Nice to Have
— Understanding of caching strategies (Redis or similar)
— Basic DevOps understanding (Docker, CI/CD)

We offer:
— supportive and comfortable working environment;
— free online speaking club to practice your English;
— variety of training and self-development opportunities;
— fancy team-building events and corporate parties;
— social security package and other perks.

Hiring Process
Pre-screen interview with a Recruiter → Technical interview → Final interview with the company’s CEO → References → Job Offer