Performance Engineer

Software Engineer

Client: Fidelity Investments Location: Westlake, TX Rate: $60/hr C2C No H1b

Must Have: Performance testing expertise (JMeter, Dynatrace), understanding of load/stress testing, garbage collection, heap memory, CPU utilization, Java background, Jenkins, WebLogic/Java servers

Profile Mix: 30% Development / 70% Performance Domain: Financial (nice to have)

Logistics:

• Location: Hybrid– Westlake, TX
• Interview Rounds: 1–2
• Onsite Interview for final round

The Expertise We're Looking For

• 6–8 years of full stack development experience with a strong focus on Java and backend engineering
• Proficiency with Java EE, Spring Boot, Spring MVC, and RESTful API development
• Experience building scalable microservices and distributed systems
• Solid understanding of domain driven design utilizing object-oriented programming principles, secure coding, and best engineering practices
• Hands-on experience designing, developing, and operating event-driven systems using Apache Kafka
• Design & execute performance tests (load, stress, soak, spike, capacity) using Apache JMeter; build reusable test plans and data strategies
• Instrument and analyze end-to-end system performance with Dynatrace (or similar APM)—trace hotspots across services, JVM/CLR, DB, caches, and external dependencies
• Engineer for scalability & resiliency—profile bottlenecks, optimize code paths, tune JVM/GC, threads, DB queries, connection pools, caches, and message brokers
• Automate performance pipelines—integrate tests into CI/CD (e.g., GitHub Actions, Jenkins, GitLab CI) with pass/fail gates based on thresholds
• Exposure to Docker/Kubernetes and cloud platforms such as AWS or Azure
• Knowledge of CI/CD pipelines (Jenkins, uDeploy or equivalent)
• Strong communication and collaboration skills in Agile environments (Scrum/Kanban)
• Self-driven, detail-oriented, and comfortable operating independently in a fast-paced environment

About Us: InterSources Inc

InterSources Inc, a Certified Diverse Supplier, was founded in 2007 and offers innovative solutions to help clients with Digital Transformations across various domains and industries. Our history spans over 16 years and today we are an Award-Winning Global Software Consultancy solving complex problems with technology. We recognize that our employees and our clients are our strengths as the diverse talents and opportunities they bring to the table enable us to grow as a global platform and they are causally linked with our success. We provide strategic and technical advice, and we have expertise in areas covering

• Artificial Intelligence
• Cloud Migration
• Custom Software Development
• Data Analytics Infrastructure & Cloud Solutions
• Cyber Security Services
• etc.

We make reasonable accommodations for clients and employees and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud partner company. We align strategy with execution and provide secure service solutions by developing and using the latest technologies that thrive our resources to deliver industry-leading capabilities to our clients and customers, making it convenient for our clients to do business with InterSources Inc. Our teams also drive growth by refining technology-driven client experiences that put the users first, providing an unparalleled experience. This results in strengthening the core technologies of clients, enabling them to scale with flexibility, create seamless digital experiences and build lifelong relationships.