Rockstar is recruiting for an early-stage, well-funded startup that is transforming how enterprise accounting teams manage the month-end close process. The founding team brings deep experience from both finance and engineering, having overseen finance organizations at leading tech companies and built month-end close systems at major enterprises. The company is backed by top-tier investors and finance leaders from some of the most innovative organizations in the industry.

About the Company
This early-stage startup is dedicated to helping enterprise accounting teams streamline the tedious process of month-end closing. The founders have experience from both sides of the problem: overseeing finance organizations at leading technology companies and building month-end close systems at major tech firms. The company has raised a record-setting seed round in the accounting space from top venture capital firms and is supported by finance leaders at prominent technology companies.

Role Overview
They are setting up a new Toronto engineering office and need a founding team. As a founding engineer, the selected candidate will be at the core of building the product from the ground up. This role offers the opportunity to shape both the front-end and back-end architecture, working closely with the founders and early customers to solve complex financial problems.

Key Responsibilities

Lead full-stack development of key product features such as reconciliations, flux analysis, and accruals automation

Build and maintain robust integrations with financial systems including ERPs, HRIS, procurement software, and CRMs

Design and implement core components of the backend platform, including the jobs framework,



flexible data ingestion, and complex financial modeling

Ensure best practices in software development, including code quality, automated testing, and CI/CD

Collaborate with the founding team on product strategy, feature prioritization, and customer feedback loops

Build and maintain planning and agentic workflows using state-of-the-art large language models

Collaborate on technical decisions regarding scalability and security

Help build the engineering team and culture

Required Skills

Bachelor's or master's degree in computer science or a related field

1-3 years of experience in full-stack development, preferably with early-stage startups

Strong experience building financial systems is preferred

Proficiency in front-end technologies such as React and NextJS

Strong back-end development experience with Go or similar technologies

Strong experience with relational databases and modeling

Familiarity with cloud infrastructure (AWS, GCP)

Ability to understand basic machine learning concepts and quickly ramp up

Startup mentality with a passion for rapid prototyping, testing, and iterating on feedback

Fintech or accounting software experience is a plus

Why Join

Be a core part of a mission‑driven startup looking to transform accounting processes

Work in a rapid‑paced environment where decisions directly impact product direction and company growth

Opportunity to grow with the company and build a technical team from the ground up

Competitive salary, equity, and benefits (401k, unlimited PTO)

Join in revolutionizing the accounting month-end close and making accounting operations more efficient for businesses everywhere!

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📌 Software Engineer (Ontario)
🏢 Rockstar]
📍 Ontario