Sr. Platform Performance Support Engineer

At TGCS, we provide services to retail clients worldwide by developing and delivering a wide variety of custom software solutions such as POS, self-checkout, and mobility solutions. We are looking for a support software developer to work on our ELERATM Commerce platform, a comprehensive, unified commerce platform that will free retailers to reimagine their business without the constraints of traditional retail IT Systems. Hence, we seek proactive and skilled resources to work in a dynamic, collaborative, and ever-changing environment.

At Toshiba, all team members are empowered to take responsibility and develop innovative solutions to our customers' most challenging problems. To retain and develop top talent, we foster a work environment that celebrates creativity, encourages skill development, and enables multidisciplinary collaboration.

Toshiba Global Commerce Solutions is seeking a Sr. Platform Performance Support Engineer that plays a key role in engineering performance, resilience, and observability across a three‑tier distributed architecture spanning edge devices, in‑store servers, and cloud services. This role uses AI‑enabled automation to validate and enforce production‑grade reliability, with the ultimate goal of delivering measurable system stability at retail scale. The position operates at the intersection of distributed systems architecture, performance engineering, reliability validation, and intelligent automation.

• Design and implement platform mechanisms that ensure transaction integrity and availability across POS
• terminals, store middleware, and cloud services.
• Define and validate failure‑mode strategies for intermittent connectivity, tier isolation, data replay, and
• synchronization conflicts.
• Engineer patterns that prevent cascading failures and support graceful degradation under real‑world load.
• Define latency budgets and performance envelopes across all tiers.
• Build systems that measure and validate throughput, concurrency limits, and resource saturation.
• Collaborate with development teams to eliminate bottlenecks before production.
• Develop AI‑enabled systems that automatically generate and execute performance and resilience validation.
• Integrate non‑functional quality gates into CI/CD workflows.
• Continuously evaluate timeout, retry, circuit breaker, and backoff strategies under stress.
• Architect structured telemetry across edge, store, and cloud tiers.
• Ensure end‑to‑end transaction traceability.
• Improve root‑cause detection by strengthening monitoring signal‑to‑noise ratio.
• Produce technical designs and failure‑mode analyses.
• Implement and deploy platform components in Node.js and companion services in Java.
• Drive production‑readiness improvements based on performance data.

• Bachelor’s degree in Computer Science, Software Engineering, or related technical field.
• +6 years of professional experience in Software Development or L3 support roles using Java.
• Strong proficiency in Node.js.
• Proven experience in performance engineering, reliability engineering, or distributed systems architecture.
• Demonstrated experience designing systems with deterministic timeouts, retry/backoff strategies, circuit, breakers, and concurrency controls.
• Experience modeling multi‑tier systems (edge, middleware, cloud).
• Solid understanding of SLOs, SLIs, and non‑functional validation.
• Experience deploying services in Kubernetes‑based cloud environments.
• Strong debugging and profiling skills for distributed systems.
• Tech stack: Java, Spring, SpringBoot, Git, Maven, Docker, MongoDB, CI/CD pipelines, experience with cloud.
• English: Fluent.

• Experience building automated resilience or fault‑injection systems.
• Familiarity with event‑driven architectures (Kafka, Pub/Sub, MQ).
• Experience implementing structured observability frameworks.
• Exposure to AI‑enabled automation or workflow orchestration.
• Experience optimizing systems in intermittently connected environments.
• Frontend experience: JavaScript, Vue.js, NodeJS, TypeScript.
• Linux & Windows.
• Selenium/Cucumber.

Toshiba Global Commerce Solutions is an equal opportunity/affirmative action employer that evaluates qualified applicants without regard to age, ancestry, color, religious creed, disability, marital status, medical condition, genetic information, military or veteran status, national origin, race, sex, gender, gender identity, gender expression and sexual orientation or any other protected factor. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.