CareerPlan

Sr. Software Engineer, Testing

Westport, CT, USFull-time$175k–$375k2026-11-05 → 2026-11-09
Hybrid

Core

Design and build advanced test automation platforms and diagnostic tools for high-performance, mission-critical financial trading and portfolio systems.

Role type

Senior Software Engineer, Testing (SDET/Platform Architect)

Builds

Scalable test automation platforms, diagnostic/validation tools, and AI-driven testing workflows

Domain

Financial services / Trading systems / Low-latency infrastructure

Deliverable

production ML models

Required skills

Computer science fundamentals, SDET/test architecture, system design, diagnostic tool development, agentic/AI testing frameworks, low-latency optimization

Preferred skills

Building test platforms from scratch, OMS experience, distributed systems, financial services background, AI/ML integration

Technologies

AI-driven testing frameworks, agentic systems, low-latency infrastructure

Responsibilities

Design scalable test automation platforms, develop diagnostic tools for production/QA, enable end-to-end automated testing, support agentic/AI testing workflows, integrate testing into SDLC, improve system reliability

Seniority

Senior, hands-on IC