IT - Java Developer - Senior

job summary:

Client is seeking a Senior Java Developer to join the thinkorswim Performance Engineering team. This role independently plans and delivers performance and resiliency initiatives for a Java-based trading platform, with a focus on latency, scalability, reliability, and resiliency.

The developer builds workloads and tools, identifies code and system bottlenecks, and recommends improvements across client, server, gateway, infrastructure, and cloud environments.

This role requires deep Core Java knowledge and strong diagnostic skills. The developer reads source code, analyzes JVM and system behavior, and understands production traffic. They turn findings into code, configuration, capacity, and design recommendations.

location: Southlake, Texas

job type: Contract

salary: $59.50 - 62.50 per hour

work hours: 9am to 6pm

education: Bachelors



responsibilities:

Key Responsibilities

- Responsible for coding performance test scripts in Core Java, develop and maintain Unix shell and Python based framework

- Develop custom tooling, creating mock services and maintenance of the tool repository

- Gather and analyze performance requirements in collaboration with project owners and stakeholders

- Support in writing performance test plans, executing performance tests, monitor application behavior, analyze and identify code-level performance bottlenecks.

- Identify and collect key system performance metrics

- Address client-side and server-side performance issues and recommend performance and resiliency enhancements and tuning

- Support in providing solutions for production monitoring

- Understand the complex code base quickly and be able to work within ambiguous design constraints.

- Develop deeper understanding of architecture to identify unique solutions to provide the best client experience in a scalable way

- Work with the Performance QA team on test runs to stress the capabilities of the system and identify bottlenecks at the code level

qualifications:

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skills:

AWS,AI tools,build automation,build processes,cloud environments,cloud computing platforms,code reviews,concurrency,data structures,DevOps,distributed systems,messaging systems,Failover,Google Cloud,Grafana,computer science,IntelliJ,Java,Java-based,Core Java,J2EE,JVM,Linux,latency,low-latency,memory management,Visual Studio,monitoring tools,multi-threading,real time processing,real-time systems,relational database systems,shell scripting,coding standards,design patterns,software engineering practices,software development life cycle,source control management,Splunk,Spring cloud,Spring framework,Spring Boot,analytical,decision making skills,problem solving,Excellent analytical and problem-solving skills,reliability,Highly motivated,self-starting,algorithms,business objectives,diagnostic skills,diagnosing,trading platform,trading platforms,garbage collection,infrastructure,Financial Services,Performance Engineering,scalability,server side,testing

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.