Backend Engineer - Duomo

Any of our Offices (Kyiv / Lviv / Warsaw), Remote. Posted 3 months ago

The role

You will design, develop, and scale backend services to automate marketing technology processes and integration workflows. You will also build tools to automate the asset lifecycle and implement system observability and testing pipelines.

What you will do

Driving MarTech Automation by designing and scaling backend services.
Streamlining Creative Processes by building tools to automate the asset lifecycle.
Enhancing System Observability through tracking, metrics, logs, and tracing.
Strengthening Infrastructure Reliability by expanding test coverage and setting up automated testing pipelines.
Architecting Scalable Solutions through system architecture design and code reviews.

Required qualifications

2+ years of experience with Node.js + TypeScript & NestJS
PostgreSQL + any typed ORM (Drizzle, Prisma, or TypeORM)
Redis & Message Queues (BullMQ, RabbitMQ, or SQS)
Hands-on experience with idempotency, retries, and distributed locks
Third-party REST API integrations
Docker
CI/CD
Unit testing with Jest

Nice to have

Experience with Facebook Marketing API, Google Ads API, or other ad platforms (TikTok, Applovin)
AWS (ECS, ECR, S3, Lambda) and GitHub Actions
Prometheus, Grafana, and structured logging
Integrations with Airtable API and Google Sheets API
Practical experience with LLM APIs (Claude, Gemini)

Benefits

Competitive salary
Ample career opportunities for ambitious growth and development
Possibility to attend internal, external courses, seminars and access to a corporate library
Work equipment provided
Complimentary breakfasts, lunches, and snacks in the office
20 days of paid vacation
Medical insurance
Variety of sports activities available inside and outside the office
In-house gym
Climbing wall
Bali-inspired green spaces
Libraries

About the company

SKELAR is a venture builder that creates consumer businesses in markets such as EdTech, Mental Health, Petcare, and FashionTech. They build tech products that reach over 10 million users worldwide.