Senior Software Engineer
Kontakt.io
full-time
Posted on:
Location Type: Hybrid
Location: Cracow • 🇵🇱 Poland
Visit company websiteSalary
💰 PLN 160 - PLN 190 per hour
Job Level
Senior
Tech Stack
AWSJavaKafkaKotlinMongoDBPostgresSpring
About the role
- 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
Requirements
- 6+ years of software engineering experience
- hands-on experience in designing and developing highly scalable applications using modern technology stacks such as Java/Kotlin
- strong Kafka experience
- strong microservice architecture experience
- knowledge of Spring frameworks
- 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
- good communication skills (English is a must)
- Big Data experience is a great asset
Benefits
- fast-paced and dynamic startup environment, flat structure
- competitive salary and stock option plan
- work with our IoT experts and trending technologies
- Hybrid work (Krakow office) — 3 days per week on-site
- collaborative and self-organized environment
- flexible working hours
- private medical care, cafeteria system
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
JavaKotlinMongoDBPostgresRESTful APIsWSS StreamsWebhooksKafkamicroservice architectureSpring frameworks
Soft skills
communicationteam collaborationproblem-solvingpeer reviewstestability