Roles & Responsibilities:
Analyzing the current state of the application and infrastructure, designing appropriate solutions and working with teams to implement them
Reviewing each entire application stack and execute initiatives to reduce failures, defects and issues with overall performance
Review code base and make recommendations for improving performance
Maintain performance analysis tools and identify any negative changes to performance and working with the teams to resolve them
Design, develop and execute automated tests to validate solutions and environments
Maintain and extend the load test framework including all programs and scripts that prep environments, create data sets, consolidate results and clean up after load tests.
Assist product teams to develop and maintain load test scripts and packages
Assist product teams in constructing meaningful, well thought out load test workload models
Work with product teams to move performance testing earlier in the development process through micro-benchmarking of individual services
Help product teams define performance test success criteria
Execute Load/Performance Tests that integrate workloads from multiple teams
Perform analysis of performance test results
Assist in finding and removing performance bottlenecks
Take initiative to advance the quality, performance, or scalability of our applications, by influencing the architecture or design of our products
Collaborate with project architects and project lead developers to prove the validity of new software technologies
Engage with and improve HMHs software development methodology
Identify and work with the team to implement more efficient system procedures
Participate in regular meetings, both within the team and across it, to discuss previous accomplishments, upcoming goals and any roadblocks in the way
Required Skills & Abilities:
8+ years background in performance testing or engineering, or related experience.
Strong programming experience in at least one scripting language (Python, Javascript, Groovy, Lua, bash, PowerShell, etc.)
Knowledge of Continuous Integration philosophy, tools, and techniques.
Strong experience in at least one of these performance testing frameworks: Gatling, J-Meter, or K6
Experience with Docker and container management
Hands-on experience with SQL with ability to apply experience to PostgreSQL or other SQL-based databases
Ability to communicate and work effectively within priorities
Ability to advocate ideas and to objectively participate in design critiques
Ability to work under tight timelines in a fast-paced environment
Good understanding of software design concepts
Understanding of agile software development methodologies
Understanding of general software architecture principles, particularly in relation to system performance
Ability to solve complex problems
Excellent analytical, troubleshooting and communication skills
Experience with log aggregation and data analysis (e.g. Grafana, Cloudwatch, Datadog etc
Experience with Application Performance Management (APM), Network Performance Management (NPM), and Real User Monitoring (RUM) tools and data
Ability to understand and communicate risk as it applies to system reliability and performance
Strong understanding of performance testing techniques and practices, scenario development
In-depth experience with both Cloud Platform-as-a-Service (e.g. AWS, GCP, Azure) and Container Orchestration (e.g. Apache Aurora, Kubernetes)
Strong understanding of concepts related to evaluating web application performance (response time percentiles, queue depths, etc.)
Preferred Skills & Abilities:
Experience with build tools (e.g. Maven, Nexus, Ant, Puppet, Foreman, Hiera, Jenkins).
Linux systems knowledge and administration background are required, including command line. Windows and mobile devices experience are also helpful.
Hands-on experience with system integration technologies such as Web Services, Enterprise Service Bus, Message Queue, etc.
Understanding of and ability to work within Java and other languages
Demonstrated ability to follow through with all tasks, promises and commitments
Good understanding of AWS Lambda, DynamoDB, Kinesis, API Gateway
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