Performance Modeling Engineer
GroqSalary not specified
Full Time
Expert & Leadership (9+ years)
Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
FinTech, Payments, Fraud DetectionIndustries
Requirements
- Expert understanding of relevant technologies — JVM internals, distributed systems, and Linux performance tools
- Ability to write optimised, scalable code and leave systems better than you found them
- Willingness to adapt to a variable role and take ownership of any other duties as required
Responsibilities
- Participating in daily stand-ups and team meetings to synchronise activities with the team, often leading the call to ensure everyone is aligned
- Setting the standard of performance-focused engineering, ensuring that systems are optimised for high throughput and low latency
- Tackling complex performance challenges and participating on the on-call out of hours rota to assist support teams with resolutions to customer incidents related to performance issues
- Profiling applications using JFR, async-profiler, and JProfiler, and driving code/configuration changes from findings
- Tuning and scaling data infrastructure
- Designing cloud architectures optimised for performance and cost
- Building and maintaining sizing calculators for ingestion, storage, and query workloads
- Defining and validating SLAs/SLOs, implementing observability to track p50–p99.9 latency and throughput
- Leading performance incident investigations and postmortems
- Collaborating with cross-functional teams to deliver high-performance and reliable solutions
- Coaching and mentoring other engineers in performance engineering best practices
- Solve complex performance issues and help others debug and resolve bottlenecks
- Improve system performance through deep analysis and proactive tuning
- Act as a code approver for performance-related changes across teams
- Lead significant performance engineering initiatives and make impactful contributions to system scalability
- Drive technical improvements, optimisations, and architectural decisions that enhance performance
- Identify solutions to large-scale performance issues, collaborating with peers and stakeholders
- Participate in interviews and recruitment for performance-focused roles
- Take full ownership of performance projects and ensure success from design to production
- Regularly mentor other engineers, especially in profiling, tuning, and scaling
- Onboard new engineers into performance best practices
- Provide and seek timely, actionable feedback
Skills
JVM tuning
distributed systems
AWS
performance engineering
Java
scalability
high throughput
low latency
streaming data
Visa
Global digital payment network provider
About Visa
Visa operates a global digital payment network that facilitates electronic payments for millions of people daily. The company connects consumers, businesses, financial institutions, and governments, allowing them to make transactions using Visa cards. Each time a card is used, Visa earns money through transaction, service, and data processing fees. Unlike many competitors, Visa focuses on expanding access to financial services for underserved communities and supporting local economies. The company's goal is to promote financial inclusivity and drive sustainable commerce, ensuring that more people can participate in the global economy.
San Francisco, CaliforniaHeadquarters
1958Year Founded
$55.8MTotal Funding
ANGEL_INDIVIDUALCompany Stage
Fintech, Financial ServicesIndustries
10,001+Employees
Benefits
Health Insurance.
Life Insurance.
Dental Insurance.
Disability Insurance.
Accidental Death & Dismemberment Insurance.
Risks
CBDCs could reduce reliance on Visa's payment network.
'Buy Now, Pay Later' services may decrease traditional credit card transactions.
Fintech startups offering zero-fee transactions could pressure Visa's revenue model.
Differentiation
Visa operates a global digital payment network connecting millions daily.
The company focuses on financial inclusivity and sustainability in its operations.
Visa collaborates with central banks on Central Bank Digital Currencies (CBDCs).
Upsides
Visa's partnership with fintechs enhances cross-border payment solutions.
Adoption of blockchain technology could revolutionize digital payments.
AI-driven fraud detection systems are reducing fraudulent activities.
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