Kontakt.io is hiring a
Senior Fullstack Engineer in Poland

Summary

The job is for a software developer at Kontakt.io, a leader in IoT. The role involves developing user-facing apps, establishing connectivity with third-party systems, building modular and reusable components, contributing to key architectural decisions, writing and maintaining documentation, writing performance tests, supporting and maintaining CI/CD Workflows, creating and driving best practices in the team, proposing upgrades and updates necessary for keeping up with modern security and development best practices, and participating in 24/7 on-call rotation. The role requires hands-on experience in designing and developing highly scalable applications using modern technology stacks such as Java/Kotlin, Kafka/RabbitMQ, MongoDB.

Requirements

• Hands-on experience in designing and developing highly scalable applications using modern technology stacks such as Java/Kotlin, Kafka/RabbitMQ, MongoDB
• Strong microservice architecture experience
• Knowledge of Spring frameworks
• Web Flux, Groovy. experience
• Extensive experience building complex applications using object-oriented JavaScript/TypeScript
• Expertise in front-end JavaScript frameworks, HTML, and CSS
• Experience with building front-end JavaScript applications using RESTful interfaces
• The ability to naturally follow good development practices like test automation, CI/CD, source version control, etc
• Experience with development for and deployment to AWS
• Enjoy technical challenges and are eager to explore new technologies
• Good communication skills (English is a must)

Responsibilities

• Develop user-facing Kontakt.io Apps
• Define data models and work with database systems like MongoDB and Postgres
• Establish connectivity with third-party systems using modern integrations technologies like RESTful APIs, WSS Streams, Webhooks, Kafka streams
• Build modular and reusable components and libraries
• Contribute to key architectural decisions that directly impact the scalability of Kontakt.io Apps
• Write and maintain documentation
• Write performance tests
• Support and maintain CI/CD Workflows
• Create and drive best practices in the team (including peer reviews and building for testability)
• Propose any upgrades and updates necessary for keeping up with modern security and development best practices
• Participate in 24/7 on-call rotation

Preferred Qualifications

Keycloak experience would be a great asset

Benefits

• Fast-paced and dynamic startup environment, flat structure
• B2B contract or a permanent agreement
• 20 days of fully paid holidays on the B2B contract
• Competitive salary and stock option plan
• Work with IoT experts and trending technologies
• Remote or hybrid work (office in Krakow)
• Collaborative and self-organized environment
• Flexible working hours
• Private medical care, cafeteria system