Performance Engineer (JMeter, K6)
Summary
Designs and runs performance tests for a cloud-based lottery platform using JMeter and K6, analyzing bottlenecks and collaborating with engineering teams to improve scalability.
This is us
At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.
This is the job
Join a global leader in digital lottery and gaming technology, building one of the industry's most advanced cloud-based iLottery platforms. The company develops secure, scalable solutions used by millions of players across multiple European markets, combining modern engineering practices with cloud technologies, AI-driven analytics, and high-performance distributed systems.
We're looking for a Performance Engineer who enjoys finding system bottlenecks before customers do. This role goes far beyond executing load tests - you'll help build a mature performance engineering practice by designing performance frameworks, improving test infrastructure, analyzing complex performance issues, and working closely with development teams to continuously improve system scalability and reliability.
This is the team
You'll become part of a cross-functional engineering team working on a large-scale cloud platform used in the online lottery industry. You'll collaborate daily with Software Engineers, QA Engineers, DevOps Engineers, Product Owners, and Security specialists to ensure every release meets demanding performance and reliability standards.
This is a highly collaborative environment where performance is considered a key quality attribute throughout the development lifecycle rather than a final testing phase.
This is you
3+ years of commercial experience as a Performance Engineer or Performance Test Engineer
Hands-on experience with performance testing tools such as JMeter, K6, Gatling or NeoLoad
Strong understanding of performance testing methodologies, bottleneck analysis, and troubleshooting
Experience testing REST and/or SOAP services
Ability to write code or automation scripts using Java, Groovy, Python, JavaScript or TypeScript
Experience planning, estimating and executing performance testing activities
Strong communication skills in English
Nice-to-have skills:
Docker, Kubernetes or cloud platforms (AWS, Azure, GCP)
Infrastructure as Code (Ansible or similar)
Linux administration and deployment experience
DevOps mindset
Open-source contributions
This is your role
Design, develop and maintain automated performance tests for large-scale applications
Analyze performance bottlenecks and work with development teams to optimize application scalability
Build and maintain performance testing frameworks and infrastructure
Prepare and present performance test reports with actionable recommendations
Review code and performance-related changes following engineering best practices
Support deployment and troubleshooting of performance testing environments
Develop supporting automation scripts and tools
Collaborate with Product, Development, QA, DevOps and Security teams throughout the SDLC
What awaits you at Avenga?
At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.