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Sr. C#.Net Software Engineer- B2B SaaS- Subscriptions & Onboarding

Onsite or remote • Austin+2💼 Full-time🗓 2026-06-24

Core

Building and optimizing the onboarding, billing, and subscription workflows for new users within the Skimmer pool service platform.

Role type

Senior C# .NET Software Engineer (B2B SaaS)

Builds

Customer onboarding flows, subscription management systems, and billing integrations for the Skimmer app.

Domain

Vertical SaaS (Pool & Spa Services)

Deliverable

product features

Required skills

C# .NET, Microsoft SQL, API development, Stripe integration (subscriptions, metered billing), A/B testing, vertical SaaS experience

Preferred skills

Tax and accounting knowledge for software subscriptions, experience with vendor selection

Technologies

C#, .NET, Microsoft SQL, Stripe

Responsibilities

Create APIs to accelerate customer onboarding, implement Stripe subscription and metered billing features, conduct A/B testing on user workflows, advise on technical decisions regarding subscription models.

Seniority

Senior, hands-on IC

Rewrite
## About the role Skimmer is on a mission: to modernize the pool and spa service and repair industry. We're a private equity-backed company with 6000+ customers using Skimmer's pool service platform to transform their businesses. But we're not stopping there (there are over 70,000 pool service companies in this surprisingly large "niche" space). Our customers love us almost as much as we love them (check out our reviews and our NPS score of 68!) We were recently honored to be the 6th Fastest Growing Company in Austin (ABJ), # 163 on the Deloitte Fast 500, and one of Built In Austin's "Best Startups," but the one we're most proud of is being one of Austin's Best Places for Working Parents. We're looking for big thinkers with small egos, so let's dive in! Our Values; At Skimmer, We: - Realize our customers' success is our success. - Build humble, diverse teams who have fun winning. - Drive results with urgency. - Earn trust through transparent communication. ## About you Skimmer is looking for an AI-forward, creative developer for our growth and go-to-market development team. You will be responsible for improving our customers' experience inside the Skimmer app, mainly targeted at new user sign-up, billing, and getting started. You will report into the R&D / Development organization, but partner cross-functionally with all stakeholders involved with onboarding, customer experience, and billing (Finance, Customer Success, and Support, to name a few). We are looking for candidates who have experience with API based, real-time integrations, especially Stripe subscriptions. You will work closely with UX and front-end developers to ensure optimal customer experiences at all times. Your role is critical in getting new customers excited about Skimmer, helping them get started using the platform, and making each feature accessible and intuitive when customers try them. The Growth Team owns the first part of the Skimmer app that customers interact with, including Stripe subscriptions, implementation checklists, and initial setup. They own metrics like "first 30 day retention" and "percent of the application configured". Your number 1 goal in this role is to deliver a great customer experience for our new accounts. You will be joining a company with a collaborative culture, focus on customers, and emphasis on having a good time together! 🏊 ## What You'll Do - Be the internal technical expert on Skimmer subscriptions through Stripe. - Help make the subscription process more flexible and efficient by improving the Skimmer app to take advantage of Stripe features - Assist in vendor selection to solve challenges as they arise. - Create APIs and systems to help customers onboard faster and unlock their own productivity. - Understand the key metrics for user adoption. - Implement A/B testing on workflows to understand what works for our customers. ## Early Projects (First 90 Days) - Enable Stripe's free trial workflow. - Take greater advantage of Stripe's new user workflow to unlock additional sales workflows. - Implement Stripe's metered billing to better track usage. ## Your Experience - Built API integrations for SaaS, ideally vertical SaaS, products - Comfortable developing in is C# - Proficient with Microsoft SQL. - Proven expertise with Stripe; ideally Stripe subscriptions - An eye for detail and willingness to experiment to find the right solution - Enough overall business understanding to advise on the implications of technical decisions and direct teams towards optimal results - High emotional intelligence (EQ) and a track record of leading successful cross-functional projects. - Ideal candidates will have an understanding of tax and accounting relating to software subscriptions ## What we offer Skimmer is on a mission: to modernize the pool and spa service and repair industry. We're a private equity-backed company with 6000+ customers using Skimmer's pool service platform to transform their businesses. But we're not stopping there (there are over 70,000 pool service companies in this surprisingly large "niche" space). Our customers love us almost as much as we love them (check out our reviews and our NPS score of 68!) We were recently honored to be the 6th Fastest Growing Company in Austin (ABJ), # 163 on the Deloitte Fast 500, and one of Built In Austin's "Best Startups," but the one we're most proud of is being one of Austin's Best Places for Working Parents. We're looking for big thinkers with small egos, so let's dive in! Our Values; At Skimmer, We: - Realize our customers' success is our success. - Build humble, diverse teams who have fun winning. - Drive results with urgency. - Earn trust through transparent communication. ## About the company Skimmer is on a mission: to modernize the pool and spa service and repair industry. We're a private equity-backed company with 6000+ customers using Skimmer's pool service platform to transform their businesses. But we're not stopping there (there are over 70,000 pool service companies in this surprisingly large "niche" space). Our customers love us almost as much as we love them (check out our reviews and our NPS score of 68!) We were recently honored to be the 6th Fastest Growing Company in Austin (ABJ), # 163 on the Deloitte Fast 500, and one of Built In Austin's "Best Startups," but the one we're most proud of is being one of Austin's Best Places for Working Parents. We're looking for big thinkers with small egos, so let's dive in! Our Values; At Skimmer, We: - Realize our customers' success is our success. - Build humble, diverse teams who have fun winning. - Drive results with urgency. - Earn trust through transparent communication.
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