Financial Systems Engineer
Posted Updated 4
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Summary
A hands-on individual contributor who owns Apartment List's finance systems integrations — mainly Celigo connecting NetSuite to Stripe, Salesforce, Bill.com, ADP, and Ramp — plus SuiteScript development and automation of manual billing/AR processes. Core stack: NetSuite, SuiteScript, Celigo iPaaS, JavaScript, REST/SOAP APIs.
About This Role
We're looking for a Financial Systems Engineer to build and maintain the integrations and automation that power Apartment List's finance systems. This is a hands-on Individual Contributor role that goes beyond NetSuite administration, focused on removing manual work from the AR team and making sure financial data lands where it belongs.
You'll own Celigo outright, including its existing connections to Salesforce and our internal lease attribution system, as well as the Stripe billing integration currently in development. You will sit inside Revenue and Billing Operations and partner closely with Accounting, AR, and Revenue Systems.
What You'll Do
- Serve as the technical owner of Celigo, building and maintaining the integrations that connect NetSuite to Stripe, Salesforce, Bill.com, ADP, and Ramp.
- Own the Stripe to Celigo to NetSuite billing flow supporting our self-serve product, from build through production support.
- Write and maintain SuiteScript, including scheduled scripts, map and reduce scripts, workflows, custom records, custom fields, and saved searches.
- Build error handling, alerting, and automated reconciliation checks so integration failures surface before they reach close rather than during it.
- Automate manual processes currently performed by the Billing and AR teams, and be able to show the before and after.
- Configure NetSuite to support billing, invoicing, dispute resolution, and cash collection, including fields, forms, workflows, reports, and dashboards.
- Develop and maintain integrations to customer payment portals such as Coupa, Yardi RentCafe, and AvidXchange.
- Support sales tax automation tooling and keep tax logic consistent across billing systems.
- Support finance system configuration in partnership with Accounting across systems such as Bill.com, Ramp, Expensify, FloQast, Egencia and ADP, and alongside the Celigo integrations that connect them.
- Own the Jira intake queue for finance systems issues and automate recurring causes rather than absorbing them as workload. Manage vendor support cases through to resolution.
- Manage sandbox provisioning, environment configuration, credentials, and deployment discipline across environments.
- Support the Company’s external audit to drive timely and accurate delivery of requests to ensure overall success of the audit and ability to meet committed deadlines.
What You Bring
- 3 to 5 years in finance or business systems, including at least 3 years hands-on with NetSuite beyond administration.
- Demonstrated experience building custom flows in Celigo integrator.io or a comparable iPaaS.
- SuiteScript and JavaScript proficiency, with the judgment to know when a problem belongs in script versus in the integration layer.
- Working experience with REST and SOAP APIs, JSON, and file-based data transfer.
- Accounting literacy sufficient to translate a request from Finance or Accounting into a system configuration: debits and credits, subledger to GL flow, quote-to-cash, revenue recognition mechanics, and the close cadence. You do not need to perform the accounting. You need to understand what is being asked and why.
- A track record of replacing a manual process with an automated one, and the ability to describe what changed and how you validated it.
- Strong written communication, particularly documenting how an integration works and why it was built that way.
- Comfort using AI tools to move faster on scripting and testing, while still owning the judgment for what is correct and production ready.
- Demonstrated experience using AI tools to build something, not just use them. For example a dashboard, internal tool, or process built with Claude or a similar tool.
Nice to Have
- Salesforce to NetSuite integration experience.
- Stripe or comparable payments platform experience.
- SaaS subscription and usage-based billing models, or outcome-based and other high-volume transactional billing models.
- Sales tax automation tooling such as Anrok or Avalara.
- Experience replacing or restructuring legacy integrations while keeping the business running.
- Bachelor's degree in Accounting, Finance, MIS, or equivalent practical experience.
Why This Role
- Full technical ownership of the integration layer feeding Apartment List's finance systems.
- A clearly scoped remit. You own the systems, not the close, which means your work is building rather than reconciling.
- Space to use AI development tools such as Claude to build, test and document faster.
- Work alongside a small, high-performing Revenue and Billing Operations team with direct access to the people whose work you are automating.
Compensation
We carefully consider a variety of factors to determine compensation for each position, including the role, level, and work. The US Total Target Compensation (TTC) for this position is:
- Zone 1: $121,500–$147,343 TTC (base $109,350-$132,609) + equity
- Zone 2: $112,400–$136,285 TTC (base $101,160- $122,657) + equity
- Zone 3: $103,300–$125,227 TTC (base $92,970- $112,704) + equity
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