Senior Software Engineer developing scalable web applications using React JS and Java for GEICO's Commissions Platform. Collaborating with cross - functional teams to enhance financial systems for commission calculations.
About the role
- Senior Backend Engineer developing secure, scalable backend services and APIs at Merkle. Collaborating closely with mobile engineering teams and influencing platform-wide architectural decisions.
Responsibilities
- Design, develop, and maintain secure, scalable backend services and APIs using Kotlin and Spring Boot.
- Build and operate event-driven integrations via Apache Kafka including producers, consumers, Kafka Streams, and Avro schemas with exactly-once semantics.
- Own data models, query optimisation, and schema migrations across PostgreSQL and MySQL.
- Integrate services with observability, CI/CD, and DevOps tooling; support deployment and monitoring on OpenShift/Kubernetes.
- Apply security best practices in the realms of OAuth2/OIDC, authentication, authorisation, and encryption.
- Conduct code reviews, uphold engineering standards, and mentor junior engineers.
- Produce high-quality technical documentation covering design, implementation, and API contracts.
Requirements
- 5+ years of professional backend engineering experience.
- Proficiency in Kotlin.
- Strong hands-on experience with Spring Boot (Spring MVC, Security, Data JPA, Cloud, Actuator).
- Solid Apache Kafka experience including Kafka Streams, Schema Registry, and exactly-once semantics.
- Proficiency with PostgreSQL and MySQL: data modelling, query plans, replication, and working with connection pools (HikariCP).
- Practical experience with Kubernetes or OpenShift.
- 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+, primary language for team communication, documentation, and stakeholder interaction.
- English business proficient, used for technical standards and international tooling.
Benefits
- 25 days of holidays
- 2 volunteer days for charitable activities
- Mental Health: Benefit from 3 extra wellness days on top of your vacation days and a Mental Health First Aider and Employee Assistance program to support your well-being
- 40-hour week & overtime compensation
- Flexible working hours model (flextime)
- Independent home office management
- State-of-the-art, creative office space with ergonomically equipped workstations
- Pet friendly offices
- Full access to Dentsu Academy, on-site learning sessions, online language courses
- Learning Allowance: Receive 40 additional hours per year for personal and professional development, on top of statutory educational leave
- Corporate benefits platform
- Referral bonus program
- Workation possibility
- Team events: company parties, monthly breakfasts, aperos
Job title
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Tech skills
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