Software Engineer (Mid / Senior) - Backend, Content AI

Recruitment for

Technologies we use

Your responsibilities

• Design, develop, test, and maintain scalable backend services and APIs.
• Build and operate microservices supporting search, voice, and content-related features.
• Work with Elasticsearch and databases to support reliable, efficient applications.
• Develop and maintain CI/CD pipelines and deploy services using Kubernetes.
• Monitor performance, troubleshoot production issues, and improve system reliability.
• Apply best practices in testing, code quality, security, and observability.
• Collaborate with Product, Design, QA, and other engineers.
• For senior-level candidates, additional responsibilities include:
• Taking ownership of technical design and implementation decisions.
• Building backend solutions from scratch and improving system architecture.
• Mentoring other engineers and sharing technical knowledge.

Our requirements

• 3+ years of experience in backend development for mid-level candidates, or 6+ years for senior-level candidates.
• Strong programming skills in Python or Kotlin; experience with both is a plus.
• Experience building backend APIs, microservices, or distributed systems.
• Hands-on experience with Kubernetes and CI/CD pipelines.
• Experience in Elasticsearch
• Familiarity with cloud infrastructure; AWS is preferred.
• Experience with relational or NoSQL databases, such as PostgreSQL, MySQL, DynamoDB, or MongoDB.
• Understanding of API design, automated testing, monitoring, and performance optimization.
• Good communication skills and the ability to work collaboratively across teams.
• For senior-level candidates, we also expect strong technical independence, sound engineering judgment, and a willingness to mentor other engineers.

Optional

• Experience with AWS services such as S3, SQS, Lambda, or DynamoDB.
• Familiarity with Terraform, GitHub Actions, Jenkins, or Datadog.
• Experience building search platforms or developing services from scratch.
• Exposure to NLP, ASR, chatbots, or voice assistants.

What we offer

• Salary 20 000 - 23 000 PLN gross for Mid role, 25 000 - 30 000 PLN gross for Senior role.
• Medical, dental and vision insurance
• Access to mental health services
• Employee Stock Purchase Plan
• Child care and family care discounts