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Senior Software Development Engineer in Test (SDET)

Pactfi
CompanyPactfi
CategoryEngineering
LocationNew York
RemoteHybrid
EmploymentNot stated
LevelSenior
SalaryUSD 130k–139k
Posted18 Jun 2026
Last verified3 Aug 2026
SourceEmployer career page (ashby)
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Description
About PactFi Private asset markets (PE, Private Credit, VC, Real Estate) have 10x to 9.8T in AUM over the past decade and are projected to grow to $17T in the next five years. However, digital infrastructure has not kept pace, with most of the market operating predominantly in error-prone, internal-only software solutions. PactFi provides secure, end-to-end, operational infrastructure for managing complex private credit transactions. Our web-based application brings together all parties involved in such a transaction to more efficiently allocate capital, complete KYC, share documents, manage funds flow, and more. The platform is secured to a bank-grade standard, and we have received our SOC 2 Type 2 attestation. PactFi was developed in close partnership with two of the industry's largest players, both of whom represent the top 3 players in the private credit space by both size (AUM) and deal activity. We are seeking a Senior Software Development Engineer in Test (SDET) to help scale end-to-end test automation for a modern fintech platform. This role is both hands-on and strategic, requiring expertise in: - Playwright-based automation engineering - Distributed system validation (API, UI, data layers) - AI-assisted testing and automation practices Responsible for transforming test automation into an AI-augmented quality system to enable: - Faster, reliable releases with solid understanding of CI/CD and modern DevOps practices - Strong regression signal with minimal noise - Scalable and maintainable test coverage across critical business workflows   Automation Strategy & Leadership - Own design and evolution of automation testing framework (primarily Playwright) - Establish best practices for E2E, integration, and regression testing - Drive test coverage across critical financial workflows (deal lifecycle, cash flows, reporting, etc.) - Mentor engineers and QA contributors; set test quality and maintainability standards   Hands-On Engineering - Build and maintain robust Playwright test suites (TypeScript/JavaScript) - Develop reusable testing utilities, fixtures, and CI/CD integrations - Implement parallelization, test isolation, and flakiness mitigation strategies - Integrate tests into CI pipelines (e.g., GitHub Actions, CircleCI)   Product & Domain Alignment - Translate complex financial workflows (e.g., loan servicing, covenant tracking, capital calls) into deterministic test cases - Validate data integrity across systems (APIs, databases, reporting layers) - Collaborate with product and domain experts to identify edge cases and risk scenarios   Quality & Reliability - Define SLAs for test reliability and pipeline performance - Monitor and improve test signal vs. noise - Introduce observability into testing (logs, traces, artifacts) - Lead incident retrospectives related to quality gaps   AI-Driven Testing & Development - Implement and scale AI-assisted test case generation from product requirements, user stories, and production data - Leverage LLM-based tools to generate, refactor, and maintain Playwright test suites - Build workflows for automated test creation, prioritization, and gap detection using AI - Evaluate and integrate tools for self-healing tests, intelligent selectors, and failure triaging - Partner with engineering to incorporate AI into broader development workflows (code generation, debugging, QA automation) - Establish guardrails and validation strategies to ensure correctness and determinism in AI-generated tests   Required Qualifications - 5+ years in QA automation, SDET, or software engineering roles - Deep expertise with Playwright (2+ years required) in production environments - Strong proficiency in TypeScript/JavaScript - Experience designing scalable test frameworks from scratch - Solid understanding of CI/CD systems and modern DevOps practices - Experience testing API-driven architecture and distributed sys
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