Senior Backend Developer

teems.it is a growing IT company delivering solutions that have a real impact on the development of the European technology market. We are committed to ensuring our applications meet the highest quality standards, focusing on usability, modern technology, and transparency in everything we do.

We offer participation in stable international projects in a remote-first model, with the option to work from a modern office located in the heart of Krakow.

Beyond a transparent business environment, we offer:

• Private medical care
• Individual training budget
• Educational and development initiatives
• Internal workshops in Krakow 2-3 times a year (travel and accommodation costs covered)
• Option to work from the office
• Team integrations and training-integration trips
• Commitment to the highest project management standards

Zakres obowiązków

• Develop and maintain high-quality backend services and REST APIs using Kotlin and Spring Boot
• Design and optimize performant data models with MongoDB
• Support cloud infrastructure automation, deployments, and CI/CD pipelines (AWS, Kubernetes, Terraform).
• Take end-to-end responsibility for services, ensuring high availability and performance, supporting API integration and frontend tasks.
• Actively engage in cross-team collaboration, participate in code reviews, and share knowledge to elevate the team's technical standards.
• Participate in on-call rotations, respond to incidents, and drive proactive problem resolution.
• Work in a remote-first, agile environment (Scrum or Kanban), participating in periodic on-site workshops (approx. 3–5 times a year in Kraków/ at the client's site).

Wymagania

Must-have:

• 6+ years of professional software development experience.
• Strong proficiency in Kotlin or Java with the Spring Boot framework.
• Solid experience with MongoDB or other NoSQL databases.
• Hands-on experience with cloud environments (e.g. AWS, Azure), containerization and orchestration (Docker, Kubernetes), and Infrastructure as Code (Terraform) with modern CI/CD pipelines.
  
• Practical experience with JavaScript or TypeScript is required to support the full product development process and manage cross-stack dependencies.
• Openness to utilizing AI tools to enhance productivity and a drive to quickly adapt to new technological trends.
• A proactive, ownership-driven mindset with a commitment to continuous learning and sharing knowledge within the team.
• Excellent English skills (minimum B2+) with the ability to communicate technical concepts clearly.

Nice-to-have:

• Experience with event-driven architectures and Apache Kafka.
• Experience with Vue.js.
• Familiarity with SOLR or ElasticSearch.
• Experience with high-availability, customer-facing systems.
• Experience with e-commerce platforms

Tech stack

• Kotlin
• Java
• Spring Boot
• MongoDB
• NoSQL
• JavaScript
• TypeScript
• AI
• Product development
• Docker
• CD pipelines
• Terraform
• Kubernetes
• AWS
• Cloud computing
• Vue.js
• Apache Kafka
• Amazon EKS
• E-commerce
• Azure
• Elasticsearch
• High availability