Senior Software Development Engineer in Test (SDET)
pactfi
| Company | pactfi |
| Category | Engineering |
| Location | New York, NY, USA |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Senior |
| Salary | Not stated by the employer |
| Posted | 19 Jun 2026 |
| Last verified | 9 Aug 2026 |
| Source | The employer's own careers page (company_site) |
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 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