Software Engineer III - Performance Engineer

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.

As a Software Engineer III at JPMorganChase within the Payments team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.

Job responsibilities

• Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
• Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems
• Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
• Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
• Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture
• Contributes to software engineering communities of practice and events that explore new and emerging technologies
• Adds to team culture of diversity, opportunity, inclusion, and respect

• Formal training or certification on software engineering concepts and 3+ years applied experience
• Excellent proficiency in Apache JMeter for performance testing (HTTP/HTTPS, JDBC, JMS, SOAP, REST APIs, etc.) along with strong Groovy scripting skills for advanced test automation, data manipulation, and custom logic in JMeter.
• Deep understanding of performance engineering concepts including load modeling, capacity planning, scalability analysis, and performance tuning.
• Good experience with Splunk for log analysis, search and troubleshooting along with Elasticsearch (and optionally Kibana) for log aggregation, analysis, and performance monitoring.
• Expertise in analyzing thread dumps to identify deadlocks, thread contention and performance bottlenecks.
• Proven ability to analyze heap dumps using tools like Eclipse MAT, VisualVM, or JProfiler to diagnose memory leaks and excessive memory usage.
• Experience with UI performance testing and front-end optimization techniques.
• Solid understanding and hands-on experience with CI/CD tools and practices (Jenkins).

• Knowledge of database performance tuning (SQL optimization, indexing, query analysis) for Oracle, SQL Server, PostgreSQL, MySQL, etc.
• Familiarity with cloud platforms (AWS) and containerization technologies (Docker, Kubernetes).
• Understanding of network protocols, load balancing, caching strategies, and CDN optimization.
• Experience with API testing tools (Postman, Bruno, REST Assured, SoapUI) is a plus.