Software Engineer

Quantum Technologies. LLC; Dallas (TX); On-site; USD 110,000 - 170,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Software Engineer specializing in performance and load testing to build tooling and infrastructure that generate realistic, production-like workloads for large-scale performance testing.

You will develop traffic-replay systems, process API and event logs, transform large datasets into test scenarios, and enable engineers to reproduce and remediate performance issues. The ideal candidate has experience with distributed systems, APIs, data processing,

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• Professional software engineering experience.
• Strong programming experience in Python, Java, Go, or C++.
• Strong understanding of HTTP, REST APIs, JSON, WebSockets, and distributed systems.
• Experience building automation, developer tooling, or data-processing systems.
• Experience with large datasets, logs, or high-volume production telemetry.
• Strong understanding of software performance concepts including latency, throughput, concurrency, resource utilization, and scalability.
• Experience with databases and SQL.
• Ability to troubleshoot complex issues across application and infrastructure layers.
• Strong analytical and problem-solving skills.

Skills

Software engineering experience

Python/Java/Go/C++

HTTP/REST/JSON

Distributed systems

Automation tooling

Data processing

Large telemetry data

SQL databases

Troubleshooting complex issues

Analytical problem solving

Education

Bachelor's degree in CS/SE

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Description

We are seeking a Software Engineer specializing in Performance and Load Testing to build the tooling and infrastructure required to generate realistic, production-like workloads for large-scale performance testing. This role will focus on developing traffic-replay systems, processing API and event logs, transforming large datasets into realistic test scenarios, and enabling engineering teams to reproduce and remediate performance issues.

The ideal candidate is a strong software engineer with experience in distributed systems, APIs, data processing, automation, and performance engineering, with an interest in applying AI and LLM-assisted techniques to accelerate test-scenario generation.

Required Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
• Professional software engineering experience.
• Strong programming experience with Python, Java, Go, C++, or similar languages.
• Strong understanding of HTTP, REST APIs, JSON, WebSockets, event-driven architectures, and distributed systems.
• Experience building automation, developer tooling, or data-processing systems.
• Experience working with large datasets, logs, or high-volume production telemetry.
• Strong understanding of software performance concepts including latency, throughput, concurrency, resource utilization, and scalability.
• Experience with databases and SQL.
• Ability to troubleshoot complex issues across application and infrastructure layers.
• Strong analytical and problem-solving skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.