Join a high-impact engineering team building scalable backend services for a fast-paced digital environment. This role offers the opportunity to shape resilient, high-performance systems using modern technologies, while collaborating across teams to deliver reliable solutions and technical excellence.
Responsibilities
- Design, build, and support scalable backend services using Kotlin and modern microservices architecture.
- Develop and maintain RESTful APIs and Java/J2EE-based solutions that support business and platform needs.
- Contribute to architecture discussions, technical reviews, code reviews, testing, and debugging efforts.
- Evaluate emerging tools and technologies through proof-of-concept work with a focus on scalability, maintainability, and performance.
- Partner with cross-functional teams to create clear system designs, process flows, and implementation plans.
- Support system reliability, resiliency, and disaster recovery planning.
- Promote strong data quality practices across ingestion, processing, storage, and operational workflows.
- Help drive engineering best practices, automation, and continuous improvement throughout the development lifecycle.
- Mentor fellow engineers and provide technical guidance on complex initiatives.
Skills
- Strong hands-on experience developing production applications in Kotlin.
- Solid background in Java/J2EE and RESTful API development.
- Experience building microservices with Spring Boot.
- Familiarity with monorepo development environments.
- Strong understanding of distributed systems and scalable backend architecture.
- Experience with one or more databases such as Cassandra, MongoDB, PostgreSQL, or Elasticsearch.
- Working knowledge of Kafka or similar messaging and event streaming platforms.
- Experience with JUnit and Mockito for testing.
- Exposure to observability and monitoring tools such as Logstash, Elasticsearch, Kibana, and Grafana.
- Comfort working in CI/CD and automated deployment environments.
- Clear communication skills and the ability to collaborate effectively across teams.
Preferred Skills
- Experience in ad tech environments, including DSPs, SSPs, or ad servers.
- Python development experience.
- Knowledge of workflow orchestration or data pipeline tools such as Oozie.
- Experience designing technical solutions aligned with digital advertising and business goals.
Horizontal is committed to fostering a diverse, equitable, and inclusive workplace where everyone feels valued and respected. We welcome candidates from all backgrounds and encourage applications from individuals who bring different perspectives, experiences, and ideas.
By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex.
Please apply through this online posting or by visiting our Job Board at Applications will be accepted for 4 weeks. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. The pay range for this role is $33 - $67 per hour based on qualifications and experience.
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