Why UKG

At UKG, the work you do matters. The code you ship, the decisions you make, and the care you show a customer all add up to real impact. Today, tens of millions of workers start and end their days with our workforce operating platform. Helping people get paid, grow in their careers, and shape the future of their industries. That's what we do.

We never stop learning. We never stop challenging the norm. We push for better, and we celebrate the wins along the way. Here, you'll get flexibility that's real, benefits you can count on, and a team that succeeds together. Because at UKG, your work matters—and so do you.

We are seeking an experienced Senior Software Engineer to join our performance engineering team. This role provides an opportunity to lead projects and contribute to high-impact software solutions that are used by enterprises and users worldwide. As a Senior Software Engineer, you will be responsible for designing performance strategies, evaluating and optimizing complex software systems, ensuring their reliability and maintainability, and mentoring junior engineers.. You will work in a collaborative environment, contributing to the technical foundation behind our flagship products and services.

Responsibilities: Performance Engineering: Identify performance requirements and risks early in the development lifecycle. Execute load and stress tests, interpret results, analyze performance bottlenecks, and work with the team to improve response times, throughput, and resource utilization.

Monitoring and Observability: Build and use monitoring, logging, tracing, and alerting to understand service behavior. Define and review service health indicators, use telemetry to detect performance regressions, and make systems easier to diagnose in production.

Project Management: Be able to manage performance execution and delivery of features and projects, negotiating project priorities and deadlines, ensuring successful and timely completion, with quality.

Code and Runtime Optimization: Analyze application and system behavior to find inefficient code paths or resource usage. Recommend and implement optimizations, then validate their impact through measurement and testing.

Performance Troubleshooting: Investigate complex performance issues using profiling and diagnostic tools, including heap and thread dump analysis. Identify root causes and drive fixes and preventive measures.

Architectural Design: Participate in or lead design reviews with peers and stakeholders, and contribute to the architectural design of new features and systems. Consider scalability, reliability, maintainability, observability, and performance throughout the design process.

Mentorship: Provide technical mentorship and guidance to junior engineers, fostering a culture of learning and growth.

Code Review: Review code developed by other engineers, provide constructive feedback, and maintain a high bar for technical excellence. Promote coding guidelines, elegant and efficient implementations, maintainability, observability, and unit testing.

Testing: Develop and maintain performance test scripts and automation using tools such as LoadRunner, NeoLoad, JMeter, and JavaScript-based frameworks.

Debugging and Troubleshooting: Diagnose and resolve technical issues to ensure high-quality service operations.

Service Health and Quality: Maintain service health and quality, proactively identifying and resolving issues. Use service health indicators and telemetry to recommend improvements to reliability and performance. Lead thorough root cause analyses and implement measures to prevent recurrence.

Documentation: Document new features, enhancements, fixes, and relevant performance findings. Contribute to technical documentation and training materials.

Innovation: Stay current with emerging technologies and industry trends, advocating for their adoption where appropriate to improve innovation and productivity within the team (e.g., Copilot).

Minimum Qualifications

Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.

5+ years of experience either in software development or performance engineering, preferably in a product-based or SaaS organization.

Deep expertise in one or more programming languages such as C, C++, C#, .NET, Python, Java, or JavaScript.

Hands-On experience with software development practices and in workload modeling, performance test planning, scripting, test execution, monitoring, and results analysis.

Proficiency with performance testing and APM Tools such as LoadRunner, NeoLoad, JMeter, k6, Grafana, Dynatrace.

Use APM and diagnostic tools such as Grafana, Datadog, dynatrace, Fiddler, browser developer tools, and platform monitoring solutions to identify bottlenecks and performance risks.

Proven track record of delivering complex software projects on time and within budget.

Proficiency with version control systems like GitHub and bug/work tracking systems like JIRA.

Understanding of cloud technologies and DevOps principles.

Strong problem-solving skills and attention to detail.

Excellent communication and interpersonal skills, with the ability to work effectively in a collaborative team environment.

Preferred Qualifications

Master's degree in Computer Science, Engineering, or a related technical field.

Experience with cloud platforms like Azure, AWS, or GCP.

Familiarity with GitHub, CI/CD pipelines and automation tools.

Knowledge of agile development methodologies.

Demonstrated ability to mentor and guide junior engineers.

Commitment to continuous learning and professional development.

Familiarity with developing accessible technologies.

Dedicated to diversity and inclusion initiatives.

Work hours: Must be able to overlap with US business hours as required by the team

Company Overview

UKG is the Workforce Operating Platform that puts workforce understanding to work. With the world's largest collection of workforce insights, and people-first AI, our ability to reveal unseen ways to build trust, amplify productivity, and empower talent, is unmatched. It's this expertise that equips our customers with the intelligence to solve any challenge in any industry — because great organizations know their workforce is their competitive edge. Learn more at ukg.com.

UKG is proud to be an equal opportunity employer and is committed to promoting diversity and inclusion in the workplace, including the recruitment process.     

Disability Accommodation in the Application and Interview Process

For individuals with disabilities that need additional assistance at any point in the application and interview process, please email [HIDDEN TEXT]

Software Engineer III- Eng