Senior Software Engineer (Performance Engineering)

Location: Pleasanton, California, United States. Flex Work requires at least 50% of each quarter in the office or in the field.

Annual base salary: $190,100–$285,100 USD for the primary location; additional US locations: $160,100–$285,100 USD.

Company

hirify.global develops AI-enabled human capital and financial management platforms for organizations worldwide.

What you will do

• Design scalable, decoupled, low-latency, high-throughput core services and microservices.
• Write production-grade code and refactor legacy components for improved efficiency.
• Profile applications and resolve memory, CPU, latency, database, and I/O bottlenecks using APM and tracing tools.
• Optimize data flows through database schemas and queries, indexing, serialization, and multi-tier caching.
• Partner with cloud infrastructure teams to align software design with AWS compute, memory, and networking capabilities.
• Lead code reviews, mentor engineers, and implement automated benchmarking and load testing in CI/CD pipelines.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent practical experience.
• 8+ years of professional software development experience with Python, Go, Java, or C++.
• 4+ years of experience designing and building scalable distributed microservices architectures.
• Demonstrated experience resolving complex performance issues, including memory leaks, CPU bottlenecks, and database or serialization delays.
• Hands-on experience with profiling, tracing, and APM tools such as Datadog, New Relic, OpenTelemetry, pprof, or CloudWatch.
• Strong database optimization skills, including SQL/NoSQL queries, indexing, and caching with Redis or Memcached.

Nice to have

• Experience with AWS or GCP infrastructure, micro-benchmarking, load testing, and stress testing with Locust, JMeter, or k6.
• Deep knowledge of asynchronous programming, multithreading, memory management, and distributed systems.
• Experience leading design reviews, improving code quality, mentoring engineers, and collaborating with platform, data, and product engineering teams.

Culture & Benefits

• Flexible work combining in-person collaboration with remote work.
• Opportunity to work on foundational technology supporting mission-critical business processes and integrations.
• Eligibility for the hirify.global Bonus Plan or role-specific bonus and annual refresh stock grants.
• Comprehensive benefits and an accessible, inclusive hiring experience.