ShiftCode Analytics, Inc. ยท 3 weeks ago
System Performance Engineer - Lead SE : Mastercard
St. Louis, MO
Full-time
Hybrid
Lead/StaffShiftCode Analytics, Inc. is seeking a Lead System Performance Engineer to enhance application and system performance in a cloud environment. The role requires expertise in troubleshooting performance bottlenecks and ensuring service-level objectives are met across distributed systems.
AnalyticsConsultingInformation Technology
No H1B
Responsibilities
Define service-level objectives (SLOs), performance budgets, and latency/throughput targets across services
Architect and champion comprehensive distributed tracing strategies (Dynatrace, AWS X-Ray, etc.)
Analyze application, platform, and cloud behavior using deep-dive techniques such as heap dumps, thread dumps, flame graphs, GC logs, network traces, and storage I/O profiling
Review service and system architectures for performance risks (e.g., synchronous hops, excessive dependencies, misconfigured connection pools, poor cache placement)
Conduct and lead root-cause analysis for performance incidents in production and pre-production environments
Develop capacity models and performance baselines for services running across cloud environments
Qualification
Required
Experience in application performance, system performance engineering, and cloud engineering
Background in high-volume transaction environments such as brokerage trading services, payment services, gaming, or large scale online retail
Ability to troubleshoot across entire application and technology stack in a cloud environment
Capability to diagnose root cause problems and determine paths for resolution
Knowledge of Spring Boot
Experience with distributed systems, Spring Boot services, middleware components, and hybrid cloud environments (private cloud + AWS)
Experience with high-scale, multi-region, and high-transaction platforms (e.g., financial systems, payment processing, or large enterprise SaaS)
Ability to define service-level objectives (SLOs), performance budgets, and latency/throughput targets across services
Experience architecting and championing distributed tracing strategies (e.g., Dynatrace, AWS X-Ray)
Ability to analyze application, platform, and cloud behavior using techniques such as heap dumps, thread dumps, flame graphs, GC logs, network traces, and storage I/O profiling
Experience reviewing service and system architectures for performance risks
Ability to conduct and lead root-cause analysis for performance incidents in production and pre-production environments
Experience developing capacity models and performance baselines for services running across cloud environments
Expertise in Application Layer: Spring Boot internals, JVM tuning, thread/heap management, concurrency debugging, GC optimization
Expertise in Container Runtime: PCF, Docker, container resource limits, CPU throttling, memory pressure
Expertise in Orchestrators: PCF, Kubernetes, ECS (autoscaling, pod health, scheduling issues)
Expertise in Networking: Service-to-service hops, TLS overhead, DNS, routing, load balancer configs (F5, Nginx, ALB/NLB), service mesh performance
Expertise in Storage: Latency, IOPS constraints, distributed file system behavior
Expertise in Caching & Middleware: Redis, Hazelcast, NATS, Kafka, RabbitMQ configuration and throughput tuning
Expertise in Databases: Connection pool tuning, slow queries, indexing, replication lag
Expertise in Cloud Layer: AWS compute/storage/network performance, regional latency, cross-cloud traffic patterns
Company
ShiftCode Analytics, Inc.
ShiftCode Analytics Inc is a Tampa, FL based firm formed with one sole purpose of delivering best and quick services to its clients nationwide.
Founded in 2019
51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase