System Performance Engineer

At Featurespace we strive to be the worlds best software company at protecting our clients and their customers from fraud attacks. We do that with personality heart and professionalism cultivating an innovative fun and positive team atmosphere where everybody can contribute to solving our clients problems in new innovative ways. We are always seeking to be the best at what we do and make our customers smile.

Our real-time Financial Fraud Detection platform processes massive volumes of streaming and historical data. To meet our ambitious performance and scalability goals we are looking for a Systems Performance Engineer with expertise in JVM tuning distributed systems optimisation and AWS infrastructure performance.

The Role

In your role as a Systems Performance Engineer you will help us achieve our goals and deliver success on behalf of our customers by:

• Participating in daily standups and team meetings to synchronise activities with the team and keep investigations aligned with ongoing priorities.
• Leading analysis of Engineering Triage tickets supporting Support teams by diagnosing issues raised by customers and helping identify root causes.
• Interpreting logs metrics and customerprovided data to understand system behaviour and identify potential misconfigurations or bottlenecks.
• Setting up running and evaluating Proofs of Concept (POCs) to validate configuration changes new tools or new approaches.
• Analysing graphs resourceusage patterns and systemlevel data to draw clear evidencebased conclusions.
• Tuning and enhancing our system configurations to improve reliability scalability and efficiency.
• Providing structured datadriven recommendations to development teams.
• Investigating systemlevel issues in collaboration with engineering support and operations stakeholders.
• Conducting exploratory research testing hypotheses and leveraging web resources documentation and internal knowledge to resolve complex problems.
• Contributing to the continuous improvement of internal diagnostics tooling analysis processes and investigation playbooks.

Role Responsibilities

As a company we hire people with a willingness to adapt to a variable role so along with the key responsibilities below we ask for ownership of any other duties as required.

Technical

• Investigate and analyse issues raised through Engineering Triage using systemlevel data metrics logs and customer information.
• Interpret graphs measurements and test results to identify patterns anomalies or bottlenecks.
• Set up run and compare POCs in controlled environments to validate hypotheses and guide technical decisions.
• Apply strong Linux and shellscripting knowledge to gather data run tests and automate routine analysis.
• Use JVM knowledge to understand system behaviour resource utilisation and configuration impacts.
• Tune and enhance the current system setup by recommending configuration architectural or operational adjustments.
• Research complex technical problems independently and propose practical evidencebased solutions.
• Document findings clearly and communicate technical explanations to developers support engineers and stakeholders.

Impact

• Drive clarity on ambiguous or customerreported system issues by producing highquality investigations.
• Provide insights that directly influence system stability performance and customer satisfaction.
• Guide Support and Engineering teams by asking the right questions and helping interpret data.
• Deliver POCs that help the organisation evaluate new tools architectures or solutions with confidence.
• Influence technical direction by identifying structural or configuration improvements.

Behaviour

• Demonstrate a proactive selfstarting attitudecomfortable exploring issues independently before seeking help.
• Embrace a scientific mindset: formulate hypotheses test them evaluate results objectively.
• Show curiosity enthusiasm and a genuine interest in learning more about systems tuning and diagnostics.
• Collaborate effectively across teams and communicate findings clearly and constructively.
• Seek and provide timely actionable feedback.
• Help raise the overall standard of system analysis investigation quality and diagnostic understanding across the team.
• Model a calm methodical approach to complex or unclear problems.

Qualifications :

Basic Qualifications

• A degree in Computer Science Engineering Mathematics Physics or a related scientific/technical field or equivalent practical experience.
• Strong understanding of Linux internals shell scripting and systemlevel diagnostics.
• Foundational JVM knowledge (memory threads GC basics configuration impacts).
• Experience interpreting logs metrics dashboards and system graphs.
• Ability to understand and interpret test results workload outputs and benchmark data.
• Proven ability to troubleshoot complex technical problems by researching analysing and synthesising information.
• Demonstrated use of a home lab or personal systems projects (VMs clusters network setups custom builds).
• Strong analytical and criticalthinking skills with high attention to detail.
• Ability to manage workload independently and drive investigations to completion.
• Familiarity with common tooling for monitoring metrics or system insights.

Preferred Qualifications

• Database knowledge (relational or NoSQL).
• Deeper JDK/JVM tuning or diagnostic experience.
• Basic Kubernetes setup or cluster experimentation experience.
• Understanding of networking fundamentals.
• Experience with opensource tools used for diagnostics observability or system performance.
• Basic programming ability (any language) to support automation or small tooling improvements.
• Exposure to distributed systems concepts or cloud environments.

As a Systems Performance Engineer you also need the following qualities:

• Attention to detail excellence and quality.
• A focus on personal achievement and responsibility.
• Passion to learn new skills and technologies.
• Ability to share knowledge
• Enthusiasm and an open mindset.
• Can-do attitude.
• A passion to work for one of the fastest growing fraud prevention technologies in the world

Additional Information :

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race color religion sex national origin sexual orientation gender identity disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.

Remote Work :

No

Employment Type :

Full-time