Job Description

Value Added Services (Acceptance Solutions) is a Product Development group focused on building highly scalable, secure, and resilient payment solutions. The team develops full-service payment platforms by combining payment processing, fraud management, security, and reporting systems.


We are seeking a

Performance Engineer

to design, execute, and optimize performance strategies for large-scale, low-latency, high-throughput payment systems. This role plays a critical part in ensuring production readiness, scalability, and reliability of mission-critical applications operating in distributed environments.

Responsibilities

Design and implement application and infrastructure performance models for highly scalable, low-latency, and highly available systems. Define and execute end-to-end performance testing strategies, including load, stress, endurance, and scalability testing. Partner with architects and development teams to ensure appropriate performance instrumentation and metrics are embedded within application components. Evaluate, develop, and execute performance test tools to validate system limits of critical applications. Analyze APIs, integration patterns, and distributed system abstractions to identify and resolve performance bottlenecks. Establish performance baselines, certification criteria, and Go-Live readiness reports. Monitor application performance and proactively identify optimization opportunities across CPU, memory, disk, network, OS, and application layers. Contribute to capacity planning and disaster recovery exercises. Support triaging and troubleshooting of performance degradation incidents in production environments. Review application code and recommend performance optimization techniques. Document performance test cycles, scripts, methodologies, results, and recommendations. Work independently while collaborating effectively with cross-functional teams and multiple stakeholders.

Requirements

Bachelor's and/or Master's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience. 4 to 7 years of hands-on experience in performance engineering, performance tuning, analysis, or application development. Strong hands-on experience with

Unix/Linux environments

, OS internals, file systems, storage, and networking protocols. Working knowledge of

virtual machines and containerized environments

. Expertise with performance testing tools such as

LoadRunner, JMeter

, or equivalent. Experience with APM tools such as

AppDynamics, Dynatrace, OPNET

, or similar. Proficiency in

Java and/or Python

, along with scripting capabilities. Strong analytical, troubleshooting, documentation, and communication skills. Ability to manage multiple priorities in a fast-paced, high-availability environment.

We offer

Opportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule Benefits package - medical insurance, sports Corporate social events Professional development opportunities Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.