Senior Backend Engineer - Scalable, Secure Cloud Systems

Socket.dev; Cupertino (CA); On-site; USD 180,000 - 250,000; Full time

Job summary

Apple's Information Systems and Technology (IS&T) is seeking a senior software engineer to design and develop high-scale backend services that process billions of transactions per hour and manage petabyte-scale data. The role emphasizes distributed, fault-tolerant systems in cloud environments.

You'll work with messaging systems like Kafka and RabbitMQ, implement performance optimizations, and promote best practices in OOP design and maintainable code within a global enterprise.

Qualifications

• 5+ years proven experience developing software in a professional capacity.
• 2+ years proven experience with Java, including concurrency, memory management, and performance optimization techniques.
• Proficiency in OOP, data structures, algorithms, and design patterns (GoF).
• Experience building high-scale, fault-tolerant cloud-based distributed systems.
• Experience with messaging systems (Kafka, RabbitMQ, ActiveMQ, etc.).
• Experience with caching and in-memory data tech (Redis, Memcached, Hazelcast).
• Experience with relational and NoSQL databases (Oracle, Postgres, MySQL, Cassandra, MongoDB).

Skills

Java backend

Java concurrency

Distributed systems

Cloud-based

Messaging systems

Caching strategies

Relational databases

NoSQL databases

OOP principles

Performance optimization

Education

B.S. in CS or related

Tools

Kafka

RabbitMQ

OpenSearch/Elasticsearch

Redis

PostgreSQL / MySQL

JVM / GC tuning

Job description

Apple's Information Systems and Technology (IS&T) is seeking a senior software engineer to design and develop high-scale backend services that process billions of transactions per hour and manage petabyte-scale data. The role emphasizes distributed, fault-tolerant systems in cloud environments.

You'll work with messaging systems like Kafka and RabbitMQ, implement performance optimizations, and promote best practices in OOP design and maintainable code within a global enterprise.