Senior Lead Software Engineer - Performance and Resiliency Engineering

NEPSE Trading; United States; On-site; USD 180,000 - 240,000; Full time

Job summary

NEPSE Trading is seeking an SVP/ED Performance & Resiliency Engineer to lead performance engineering for our high-volume Merchant Services platforms. You will drive load testing, capacity modeling, and tuning while improving production readiness through observability, alerting, and incident analysis.

You will champion resiliency patterns, canary delivery, and automated rollback to ensure safe releases. The role requires senior experience with distributed systems, strong AWS/Kubernetes expertise,

Qualifications

• Senior experience in performance engineering for distributed systems.
• SRE-style reliability engineering in production.
• Strong cloud/container background (AWS + Kubernetes/EKS).
• Experience with modern observability tooling (Datadog, Dynatrace, Grafana, OpenTelemetry, CloudWatch).
• Akamai strongly preferred; KEDA and/or Karpenter a large plus.

Responsibilities

• Lead performance engineering efforts: load/stress/soak testing, capacity modeling, performance tuning, and regression prevention (KPIs, guardrails, and acceptance criteria).
• Improve production readiness: observability (metrics/logs/traces/APM), actionable alerting, incident triage, and root-cause analysis leading to durable remediation.
• Strengthen resiliency patterns: timeouts/retries, circuit breakers, backpressure/rate limiting, graceful degradation, and failover readiness.
• Drive safer releases via canary/progressive delivery and automated rollback patterns.
• Optimize containerized workloads across EKS (primary) and ECS/other compute where applicable; drive autoscaling strategy and right-sizing.

Skills

Performance engineering

SRE / reliability engineering

Distributed systems

Leadership & mentoring

Cross-functional collaboration

Tools

Datadog

Dynatrace

Grafana

OpenTelemetry

CloudWatch

AWS

Kubernetes (EKS)

KEDA

Karpenter

Akamai

Job description

Performance and Resiliency Engineering Lead, Merchant Services (Senior Vice President or Executive Director) Merchant Services is hiring an SVP/ED Performance & Resiliency Engineer to improve the performance and stability of critical, high-volume platforms.

Key responsibilities

• Lead performance engineering efforts: load/stress/soak testing, capacity modeling, performance tuning, and regression prevention (KPIs, guardrails, and acceptance criteria).
• Improve production readiness: observability (metrics/logs/traces/APM), actionable alerting, incident triage, and root-cause analysis leading to durable remediation.
• Strengthen resiliency patterns: timeouts/retries, circuit breakers, backpressure/rate limiting, graceful degradation, and failover readiness.
• Drive safer releases via canary/progressive delivery and automated rollback patterns.
• Optimize containerized workloads across EKS (primary) and ECS/other compute where applicable; drive autoscaling strategy and right-sizing.

Qualifications

Senior experience in performance engineering for distributed systems and/or SRE-style reliability engineering in production. Strong cloud/container background (AWS + Kubernetes/EKS; ECS exposure beneficial). Experience with modern observability tooling (e.g., Datadog, Dynatrace, Grafana, OpenTelemetry, CloudWatch or equivalent). KEDA and/or Karpenter: large plus. Akamai: strongly preferred. Demonstrated ability to lead through influence, mentor engineers, and work effectively across teams.