Senior Performance Engineer - JMeter | Gatling | APM at CodeNinja

Islamabad, Islamabad Capital Territory, Pakistan -

Full Time

Start Date

Immediate

Expiry Date

03 Aug, 26

Salary

0.0

Posted On

05 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

JMeter, Gatling, AppDynamics, Performance Engineering, Load Testing, Stress Testing, Spike Testing, Endurance Testing, API Scripting, Jenkins, Core Banking Systems, Bottleneck Analysis

Industry

Software Development

Description

About CodeNinja CodeNinja is a next-generation technology consulting firm specialising in AI-powered transformation, enterprise software delivery, and Quality Engineering. Headquartered in the Gulf region and operating across the MENA, South Asia, and global markets, CodeNinja partners with Tier-1 banks, government entities, and large enterprises to design, build, and run mission-critical technology programs. With deep expertise in QA transformation, test automation, DevOps modernisation, and AI/ML engineering, CodeNinja's teams combine global delivery standards with in-market contextual knowledge — ensuring outcomes that are compliant, scalable, and commercially aligned with client objectives. For the Client's Test Management Enablement & Automation engagement, CodeNinja brings a dedicated 12-person specialist team spanning Test Management, Automation Engineering, AI/ML, and Performance Testing — all governed under a structured 20-week program delivery framework. About the Role The Senior Performance Engineer designs and develops performance scripts for core banking, digital channel, open banking, cards, and payment flows. This role runs load, stress, spike, and endurance cycles, and produces detailed analytical reports to guide infrastructure and application tuning. Key Responsibilities • Design and develop performance test scripts for core banking, digital channels, open banking, cards, and payment flows. • Parameterise scripts with masked/synthetic test data aligned with SAMA requirements. • Execute load testing at 100%, 150%, and 200% of expected peak load (Ramadan, salary day scenarios). • Run stress tests to identify breaking points and system behaviour under extreme conditions. • Execute spike tests simulating sudden traffic bursts and endurance tests (8–24 hours) for memory leak detection. • Correlate application metrics with load profiles using AppDynamics/HP BSM monitoring hooks. • Identify bottlenecks at application, database, and infrastructure layers. • Produce detailed analysis reports with charts, findings, and specific tuning recommendations. • 7+ years of performance engineering experience. • Expert in JMeter and/or Gatling script development with complex correlation and parameterisation. • Experience with AppDynamics or equivalent APM tools for server-side diagnostics. • Strong analytical skills for interpreting response time distributions, throughput curves, and resource utilisation. • Experience scripting against banking APIs, web services, and payment gateway integrations. • Familiarity with CI-integrated performance testing (Jenkins pipeline gates). • Preferred Certifications: Certified JMeter Professional, Gatling Academy Certified, AppDynamics Specialist. Why Join CodeNinja? • Work on high-impact, flagship banking transformation programs with a Tier-1 Saudi financial institution. • Be part of a team that's shaping the future of AI-enabled test automation in the MENA region. • Collaborate with world-class QA professionals across onsite and offsite delivery models. • Access to continuous upskilling — certifications, AI/ML tooling, and emerging QA methodologies. • Competitive compensation with performance-linked incentives and career progression pathways. • A culture that values technical excellence, ownership, and innovation without bureaucracy. Disclaimer This job description outlines the primary responsibilities and qualifications for the role at the time of posting. It is not exhaustive and may evolve in line with business needs and project requirements. CodeNinja reserves the right to modify role scope as the engagement progresses. All candidates will be subject to standard background verification. Onsite positions require compliance with the client's site access, security, and NDA policies. CodeNinja is an equal opportunity employer and welcomes applications from all qualified individuals regardless of background.

Responsibilities

Design and develop performance test scripts for core banking and payment flows, executing various load and stress cycles. Analyze application metrics and infrastructure bottlenecks to provide detailed tuning recommendations.