Lead, Technical Quality Assurance Engineer

Job description

**Overview**

**About Business Unit:**

Platform Services specializes in the implementation, management and evolution of Custom and PeopleCloud solutions, offering end-to-end support for clients.

Our team of experts handles platform setup, ongoing management, and strategic enhancements, ensuring that our solutions adapt to changing business needs.

From loyalty programs to digital activation, our platforms empower clients to implement campaigns, generate insights, and streamline business activities, all with a focus on seamless integration and continuous improvement.

By collaborating with client partners and strategy teams, we create impactful campaigns tailored to each client’s unique objectives.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision and 1 Voice.

(https://www.youtube.com/watch?v=xpjtfpntuv8&t=1s)

**Responsibilities**

**Key Responsibilities**

**Performance Testing & Optimization**

- Design, develop, and maintain performance test scripts using Apache JMeter for APIs, backend systems, and integrations.
- Set up and manage JMeter distributed testing environments (Master–Slave configuration) to simulate large-scale load tests.
- Analyze performance metrics (throughput, response time, latency, error rate) and identify performance bottlenecks in APIs or services.
- Collaborate with DevOps to integrate performance tests into CI/CD pipelines for continuous performance validation.
- Work with developers and architects to optimize system performance, scalability, and reliability.
- Generate and present detailed performance reports, providing insights and recommendations for improvement.
- Implement standard processes for load, stress, endurance, and spike testing to ensure production readiness.

**Leadership & Management**

- Lead and mentor a performance and automation QA team, ensuring high standards of test delivery.
- Drive improvements in testing processes, tools, and performance benchmarking methods.
- Collaborate with multi-functional teams to ensure performance goals align with product requirements.

**Quality Assurance & Process Improvement**

- Define performance SLAs and important metrics, and track them across environments.
- Advocate for performance driven development by engaging early in design and architecture discussions.
- Continuously evaluate new tools and technologies for performance monitoring and scalability.

**Collaboration & Communication**

- Communicate performance testing results and insights to partners and leadership.
- Work with product and engineering teams to identify performance risks early in the release cycle.
- Provide regular updates on system stability and readiness before production rollout.

**Test Automation & Development**

- Design and maintain automation for functional and regression testing across APIs and web systems.
- Use Python/Java and frameworks like TestNG/JUnit to enhance automation frameworks.
- Integrate automation with GIT, Jenkins, and Azure DevOps (VSTS) for seamless test execution.
- Write optimized SQL queries for backend data validation during performance testing.

**Qualifications**

**Technical Skills**

- Strong hands-on experience in Performance Testing using Apache JMeter (API, backend, microservices).
- Proficiency in JMeter distributed (Master Slave) setup, parameterization, correlation, and report analysis.
- Deep understanding of HTTP, REST, JSON, and API performance metrics.
- Experience integrating JMeter tests with CI/CD pipelines (Jenkins, Azure DevOps).
- Ability to interpret graphs and logs (CPU, memory, GC, thread dumps) for root cause analysis , load balancing solutions and performance tuning solutions.
- Familiarity with monitoring tools (Grafana, InfluxDB, Dynatrace, New Relic, etc.).
- Strong SQL knowledge for backend validation and performance database analysis.
- Working knowledge of automation frameworks (Selenium, TestNG, JUnit) is a plus.

**Management Skills**

- Proven experience leading a Performance/QA team with measurable outcomes.
- Strong organizational, analytical, and reporting skills.
- Ability to guide engineers in test strategy, scripting, and results interpretation.

**Preferred**

- Experience with cloud-based load testing (AWS, Azure, BlazeMeter, LoadRunner Cloud).
- Knowledge of API Gateway performance, caching, and scalability testing.
- Exposure to AI driven performance monitoring tools.

**Additional Information**

Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem.

For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice.

1 View of their universe of potential buyers.

1 Vision for engaging each individual.

And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology.

We process 400+ billion consumer actions every single day using advanced AI and hold/ many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements.

Tvhanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC.

Epsilon is a global company with more than 9,000 employees around the world.

Epsilon has a core set of 5 values that define our culture and guide us to bring value for our clients, our people and consumers.

We are seeking candidates that align with our values, demonstrate them and make them meaningful in their day-to-day work:

+ **Act with integrity** .

We are transparent and have the courage to do the right thing.
+ **Work together to win together** .

We believe collaboration is the catalyst that unlocks our full potential.
+ **Innovate with purpose** .

We shape the market with big ideas that drive big outcomes.
+ **Respect all voices** .

We embrace differences and foster a culture of connection and belonging.
+ **Empower with accountability** .

We trust each other to own and deliver on common goals.

**Because You Matter**

YOUniverse.

A work-world with you at the heart of it!
At Epsilon, we believe people make the place.

And everything we do is designed with you in mind.

That’s why our work-world, aptly named ‘YOUniverse’ is passionate about crafting a nurturing environment that elevates your growth, wellbeing and work-life harmony.

So, come be part of a people-centric workspace where care for you is at the core of all we do.

Take a trip to YOUniverse and explore our outstanding benefits, here (https://www.epsilon.com/apac/youniverse)

**Epsilon is an Equal Opportunity Employer.**
Epsilon is committed to promoting diversity, inclusion, and equal employment opportunities by using reasonable efforts to attract, recruit, engage and retain qualified individuals of all ethnicities and backgrounds, including, but not limited to, women, people of color, LGBTQ individuals, people with disabilities and any other underrepresented groups, traits or characteristics.

Required Skill Profession

Other General