Senior Software Development Engineer in Test (SDET)

PactFi · New York, New York, United States

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Pay

$130k–139k

Setting

Hybrid

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 systems Domain Expertise Previous experience in fintech, capital markets, or lending platforms. Familiarity with: - Loan lifecycle and servicing - Private credit structures - Cash flow modeling and waterfall structures - Financial reporting and reconciliations Nice-to-Have - Experience with data validation pipelines (SQL, dbt, etc.) - Exposure to backend languages (Python, Java, or Go) - Experience with performance or load testing tools - Familiarity with cloud infrastructure (AWS, GCP) What Success Looks Like - High-confidence releases with minimal regression risk - Stable, fast CI pipelines with meaningful test coverage - Clear alignment between product logic and automated validation - Scalable testing culture embedded across engineering Why Join - Build foundational infrastructure in a fast-growing private credit fintech - Work directly with domain experts shaping modern capital markets tooling - High ownership in a Series A environment with strong growth trajectory - Competitive compensation + equity - Strong understanding of financial systems—particularly within private credit, lending, or capital markets workflows - Define testing architecture, improve release confidence, and partner closely with engineering, product, and operations to ensure platform reliability in a high-stakes financial What We Offer - Competitive salary + equity. - Healthcare coverage. - 401k

Listed by PactFi for a position based in the United States. Employers on this board attest they are hiring domestically.