About Abacum

Abacum is the leading Business Planning solution for finance teams to drive performance. By automating reporting, enabling collaboration, and simplifying planning and forecasting, we help finance teams shift from number crunching to driving strategic decisions.

Founded in 2020 by two former CFOs, we’ve grown into a global team of 100+ people across 30+ nationalities. Headquartered in New York , we have offices in Toronto and Barcelona. We’re trusted by industry leaders such as Dish Networks, Strava, BetterUp, Kajabi, JG Wentworth, Abridge, Cortex , and hundreds more.

We have raised over $100m, closing in June 2025 our $60M Series B, led by Scale Venture Partners , with the strong participation of Cathay Innovation, Y Combinator , Atomico, Creandum, and angel operators from Adyen, Zapier, and Twitch.

Our mission is ambitious and we can’t do it alone - join Abacum as we build the future of Business Planning!

We are looking for...

… talented engineers who possess infinite curiosity to solve complex problems not existing in the market (multi dimensional real time calculations engine), are excited to become part of our early story and help create groundbreaking technology that truly improves how finance teams work and collaborate. Creating an amazing opportunity to code in an extremely agile environment, with a direct long-term impact on our product and users. Our ideal candidate has a strong sense of ownership in their work, is willing to learn quickly, committed to shaping our technical design and engineering culture.

Being a Software Engineer at Abacum means...

Collaborate closely with engineers, product designers, and product to perform experiments and test new ideas
Build performant, design-centric, reusable and usable interfaces that solve complex needs. Such as customisation possibilities for our users, complex data visualisations (graphs, charts, etc...), delightful components that provide the best platform experience
Drive user defined data modeling and performance, providing the user with customization possibilities through reusable building blocks: models, variables, formulas, …
Take operational responsibility for the components that you write
Work in an environment that supports your individual growth by providing you with challenging tasks and projects to solve and the freedom to acquire new skills in hack time
Work with product and our operations team to incorporate customer feedback in order to constantly improve our product
Scale our complex data and calculations platform for a fast growing number, size and complexity of clients

You can easily check off…

Stack

Python
PostgreSQL
Kubernetes

Methodology

Agile/Scrum
Data driven

Skills

Product mindset
Team player
Complex data structures
Deep understanding on performance when building and operating through observability

Bonus Points if you have...

Experience with Pandas, Polars or similar DataFrames technologies
Experience building ML and AI solutions
Experience scaling complex data platforms

Benefits

Competitive compensation including equity package
Competitive vacation policy
Medical Insurance
L&D budget
Access to Meditopia (wellbeing platform)
Language courses (English / Spanish)

Our Values

_ Customer Obsession: _ We share the understanding that Abacum's sole purpose is to create value for customers and relentlessly deploy all creativity and energy to that end.

_ Audacious Ambition: _ We dream big and embrace discomfort. We assume risks, make on-time mistakes and learn how to methodically accomplish our goals.

_ Good People: _ We are self-reflective and praise diversity of thought. We don't justify the end with the means and know where to draw the line. We have fun every day.

_ Tough Love: _ We truly care for everyone in the team and embrace honest feedback and radical candor as ways to genuinely help each other.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected

Senior Back End Engineer at Abacum