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Senior Backend Engineer(m/w/x)
Building event-driven integrations with Apache Kafka and Avro schemas for a digital transformation agency. 5+ years backend experience with Kotlin and Spring Boot required. 25 days holidays, 3 wellness days.
Requirements
- 5+ years backend engineering experience
- Bachelor's degree in computer science or IT, or equivalent experience
- Prior experience in regulated industries (banking or fintech)
- Proficiency in Kotlin
- Strong hands-on Spring Boot experience
- Solid Apache Kafka experience
- Proficiency with PostgreSQL and MySQL
- Practical Kubernetes or OpenShift experience
- Sound understanding of distributed systems, microservices architecture, and design patterns
- Familiarity with OAuth2/OIDC and backend security fundamentals
- Proficiency with Git and CI/CD practices
- German B2+ language skills
- English business proficient
- Familiarity with Spring Cloud and distributed tracing tools
- Experience with database migration tooling (Flyway or Liquibase)
- French or Italian, advantageous
Tasks
- Design and develop secure backend services
- Maintain scalable APIs using Kotlin and Spring Boot
- Build event-driven integrations with Apache Kafka
- Operate Kafka producers, consumers, and Kafka Streams
- Manage Avro schemas with exactly-once semantics
- Own data models and query optimization
- Handle schema migrations across PostgreSQL and MySQL
- Integrate services with observability tools
- Support CI/CD and DevOps tooling
- Deploy and monitor services on OpenShift/Kubernetes
- Apply OAuth2/OIDC security best practices
- Implement authentication and authorization
- Ensure data encryption
- Conduct code reviews
- Uphold engineering standards
- Mentor junior engineers
- Produce high-quality technical documentation
- Document design and implementation details
- Maintain API contracts
Work Experience
- 5 years
Education
- Bachelor's degree
Languages
- German – Business Fluent
- English – Business Fluent
- French – Basic
- Italian – Basic
Tools & Technologies
- Kotlin
- Spring Boot
- Spring MVC
- Spring Security
- Spring Data JPA
- Spring Cloud
- Apache Kafka
- Kafka Streams
- Schema Registry
- PostgreSQL
- MySQL
- HikariCP
- Kubernetes
- OpenShift
- OAuth2
- OIDC
- Git
- CI/CD
- Flyway
- Liquibase
Benefits
Flexible Working
- Flexible working hours model (flextime)
- Independent home office management
Social Impact
- 2 volunteer days for charitable activities
More Vacation Days
- 3 extra wellness days
Mental Health Support
- Mental Health First Aider
- Employee Assistance program
Modern Office
- State-of-the-art office space
Ergonomic Workplace
- Ergonomically equipped workstations
Informal Culture
- Pet friendly offices
Learning & Development
- Full access to Dentsu Academy
- On-site learning sessions
- Online language courses
Additional Allowances
- 40 hours learning allowance per year
Corporate Discounts
- Corporate benefits platform
Bonuses & Incentives
- Referral bonus program
Workation & Sabbatical
- Workation possibility
Team Events
- Company parties
- Aperos
Snacks & Drinks
- Monthly breakfasts
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Senior Backend Engineer(m/w/x)
Building event-driven integrations with Apache Kafka and Avro schemas for a digital transformation agency. 5+ years backend experience with Kotlin and Spring Boot required. 25 days holidays, 3 wellness days.
Requirements
- 5+ years backend engineering experience
- Bachelor's degree in computer science or IT, or equivalent experience
- Prior experience in regulated industries (banking or fintech)
- Proficiency in Kotlin
- Strong hands-on Spring Boot experience
- Solid Apache Kafka experience
- Proficiency with PostgreSQL and MySQL
- Practical Kubernetes or OpenShift experience
- Sound understanding of distributed systems, microservices architecture, and design patterns
- Familiarity with OAuth2/OIDC and backend security fundamentals
- Proficiency with Git and CI/CD practices
- German B2+ language skills
- English business proficient
- Familiarity with Spring Cloud and distributed tracing tools
- Experience with database migration tooling (Flyway or Liquibase)
- French or Italian, advantageous
Tasks
- Design and develop secure backend services
- Maintain scalable APIs using Kotlin and Spring Boot
- Build event-driven integrations with Apache Kafka
- Operate Kafka producers, consumers, and Kafka Streams
- Manage Avro schemas with exactly-once semantics
- Own data models and query optimization
- Handle schema migrations across PostgreSQL and MySQL
- Integrate services with observability tools
- Support CI/CD and DevOps tooling
- Deploy and monitor services on OpenShift/Kubernetes
- Apply OAuth2/OIDC security best practices
- Implement authentication and authorization
- Ensure data encryption
- Conduct code reviews
- Uphold engineering standards
- Mentor junior engineers
- Produce high-quality technical documentation
- Document design and implementation details
- Maintain API contracts
Work Experience
- 5 years
Education
- Bachelor's degree
Languages
- German – Business Fluent
- English – Business Fluent
- French – Basic
- Italian – Basic
Tools & Technologies
- Kotlin
- Spring Boot
- Spring MVC
- Spring Security
- Spring Data JPA
- Spring Cloud
- Apache Kafka
- Kafka Streams
- Schema Registry
- PostgreSQL
- MySQL
- HikariCP
- Kubernetes
- OpenShift
- OAuth2
- OIDC
- Git
- CI/CD
- Flyway
- Liquibase
Benefits
Flexible Working
- Flexible working hours model (flextime)
- Independent home office management
Social Impact
- 2 volunteer days for charitable activities
More Vacation Days
- 3 extra wellness days
Mental Health Support
- Mental Health First Aider
- Employee Assistance program
Modern Office
- State-of-the-art office space
Ergonomic Workplace
- Ergonomically equipped workstations
Informal Culture
- Pet friendly offices
Learning & Development
- Full access to Dentsu Academy
- On-site learning sessions
- Online language courses
Additional Allowances
- 40 hours learning allowance per year
Corporate Discounts
- Corporate benefits platform
Bonuses & Incentives
- Referral bonus program
Workation & Sabbatical
- Workation possibility
Team Events
- Company parties
- Aperos
Snacks & Drinks
- Monthly breakfasts
Like this job?
BetaYour Career Agent finds similar jobs for you every day.
About the Company
Merkle Switzerland AG
Industry
IT
Description
Merkle is an integrated experience consultancy that focuses on digital business transformation and data-driven solutions.
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