Senior Java Developer (hold)

YozmaTech; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

YozmaTech is seeking a senior backend engineer to take ownership of core services in a high-throughput, low-latency environment. You will contribute to a real-time identity resolution backend, working with Java, Spring, Cassandra, Protobuf, Spark, and AWS services.

You will collaborate with Data Pipeline, Data Science, DevOps, Frontend, and Product teams, solve scalable problems, and thrive in a small, elite team.

Qualifications

• 5+ years of hands-on Java development experience.
• Proficiency in Golang.
• Strong server-side skills for high-throughput systems.
• Experience with Spark and large-scale production databases.
• B.Sc. in Computer Science or equivalent.
• Excellent communication for cross-functional collaboration.
• Ability to thrive in a fast-paced, collaborative environment.
• Quick adaptability and desire to learn.

Responsibilities

• Take ownership of core backend services within a dynamic, growing backend infrastructure team.
• Develop backend components with high throughput and near real-time latency.
• Engage in technologically advanced projects solving complex scale challenges.
• Collaborate with Data Pipeline, Data Science, DevOps, Frontend, Product, and other teams.
• Play a significant role in a small company where every team member is crucial.

Skills

Java

Golang

Spark

Distributed systems

Databases

REST APIs

Education

Bachelor's degree in Computer Science

Tools

Spring

Cassandra

Protobuf

Redis

Kubernetes

Job description

Our client, a global leader in next-generation identity resolution, creates and maintains an accurate, real-time map of devices, user identities, and their relationships. Leveraging over 20 billion online signals every 24 hours and more than 15 billion email open and login events per month, their privacy-friendly solutions are powered by the signature Identity Device Graph. This graph offers deterministic accuracy, probabilistic scale, real-time processing, and operates seamlessly across multiple environments, including cookieless, MAID-less, and CTV.

Join Our Team:Become a part of our core backend team, which is responsible for high-performance services that serve both customers and other system components. Our team also manages operational data and other infrastructure services, ensuring the system remains at peak performance.

Tech Stack:Java, Spring, Cassandra, Protobuf, Spark, AWS services (SQS, Lambda, S3, Athena, EMR, and others), Redis, and more.

Your Role:

• Take ownership of core backend services within a dynamic, growing backend infrastructure team.
• Develop backend components with high throughput and near real-time latency.
• Engage in technologically advanced projects, solving diverse, complex problems at scale.
• Collaborate with Data Pipeline, Data Science, DevOps, Frontend Development, Product, and other teams.
• Play a significant role in a small company where every team member is crucial and part of an elite group.

Who You Are:

• 5+ years of hands-on Java development experience.
• Proficiency in Golang.
• Strong server-side skills.
• Experience working with Spark.
• Familiarity with high throughput, low latency, mission-critical distributed systems.
• Experience with large-scale production databases.
• B.Sc. in Computer Science or equivalent.
• Excellent communication skills for effective collaboration with cross-functional teams.
• Ability to thrive in a fast-paced, dynamic environment and drive results in a highly collaborative setting.
• Quick adaptability to changes and a strong desire to learn and grow.

Bonus Points:

• AdTech experience and understanding of ORTB.
• Experience with web clients and HTTP/Rest APIs.
• SAAS product development experience.
• BigData-oriented development experience.
• Experience with Aerospike, Spring, EMR, Docker & Kubernetes, and Maven.

Why Join Us:Our client's family-like atmosphere encourages you to express your full potential, supported by great mentors and a collaborative environment. We believe in balancing work with personal life. If this sounds like the opportunity you've been looking for, your place is with us!