Senior Software Engineer – Full Stack

🕒 December 5, 2025

🏢🏡 San Francisco – Hybrid

💵 $180k - $215k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Windfall

WebsiteLinkedInAll Job Openings

51 - 200 employees

☁️ SaaS

💳 Fintech

💰 Series A on 2022-05

SaaS • Fintech • Marketing

Windfall is a company that provides a comprehensive platform to enrich, understand, and activate customer data. It leverages machine learning and wealth screening to deliver accurate net worth insights and propensity modeling, aimed at maximizing revenue and enhancing campaign precision. The company serves a variety of industries, including retail, travel and hospitality, financial services, education, healthcare, and nonprofit sectors, enhancing their marketing and fundraising efforts. Windfall prioritizes data security and privacy, offering solutions for marketing, sales, analytics, and prospect research to drive growth and efficiency. It supports businesses in identifying key audiences and engaging them precisely through integrated media and technology platforms.

📋 Description

• Improve, extend, and tie together existing backend services to support our internal-facing applications • Rapidly prototype new tools and features that will make an immediate impact on the business • Contribute to a highly collaborative, feedback-driven, fast-paced engineering team • Develop broad ownership over our internal applications, including setting coding patterns, best practices, and guidelines • Collaborate closely with our product team to plan and execute projects at rapid speed

🎯 Requirements

• 6+ years of professional experience designing, building, and maintaining web applications • Willingness to work a hybrid onsite schedule in our San Francisco or Denver office • Experience developing server-side using an object-oriented approach, building API’s, and working with a modern frontend framework. • Experience using transactional databases • Proficiency with at least one major cloud provider is essential • Ability to move quickly in a startup environment • Impeccable attention to detail

🏖️ Benefits

• Comprehensive benefits package