Software Development Engineer – Test

. Design, develop, and evolve scalable test frameworks, automation libraries, and developer-facing quality tools .

Posted 9/25/2026full-timeHartford • Connecticut • United StatesSeniorLead💰 $130,295 - $284,280 per yearWebsite

Tools & technologies

Distributed SystemsJavaTypeScript

Key responsibilities & impact

Design, develop, and evolve scalable test frameworks, automation libraries, and developer-facing quality tools
Define quality engineering approaches aligned with platform strategy
Partner with Product, Architecture, and Engineering teams on test strategy, coverage goals, and acceptance criteria
Build reusable utilities, harnesses, mocks, stubs, and data solutions
Develop test strategies and harnesses for conversational AI systems across Voice and Chat channels
Support quality across APIs, backend services, and full-stack workflows in distributed and multi-service environments
Validate multi-turn conversations, intent recognition, orchestration logic, and agent interactions
Integrate automated quality checks into CI/CD pipelines
Establish best practices for framework selection, test data strategy, automation design, and engineering-led quality
Create testing patterns, examples, and documentation
Identify quality gaps and drive scalable improvements
Influence architecture and engineering design decisions regarding quality risks and test strategy
Investigate defects, analyze failure trends, and support root-cause resolution
Provide technical guidance and mentorship to engineers
Pair with developers on quality and testability challenges and contribute to implementation

What you’ll need

7+ years of experience in software development, test engineering, or quality engineering roles, including significant SDET or developer-led test infrastructure experience
Strong programming skills in TypeScript, Java, or other languages
Deep experience building test frameworks, automation infrastructure, harnesses, or developer tooling
Strong understanding of software design, object-oriented design, distributed systems, debugging, APIs, and maintainable code practices
Experience supporting quality across backend services, APIs, and full-stack systems
Experience integrating automated testing into CI/CD workflows
Experience designing and maintaining test data strategies and reusable testing patterns
Experience defining technical standards or reusable solutions supporting multiple teams
Ability to influence technical direction as a senior individual contributor
Strong communication, documentation, mentoring, and quality-strategy articulation skills
Bachelor’s degree or equivalent experience
High school diploma plus 4 years of relevant work experience as an alternative educational pathway
Preferred: experience with conversational AI platforms, AI agents, multi-turn workflow validation, Voice and Chat testing, API testing, mocking, contract testing, developer tooling, service virtualization, environment-aware testing, automation maturity, performance/resiliency/reliability testing, AI/LLM response evaluation, and regulated or large-scale enterprise environments

Comp & perks