Senior Front End Engineer

Abacum Inc; Barcelona; Híbrido; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A leading business planning solution provider in Barcelona is seeking a Senior Frontend Engineer. You will collaborate with engineers, designers, and product teams to create impactful technology that transforms how finance teams work. This role requires strong JavaScript skills, experience with TypeScript and React, and a product-oriented mindset. Join us to contribute to an agile environment focused on innovation, user experience, and personal development. We offer competitive compensation, a flexible working model, and opportunities for growth.

Servicios

Competitive compensation including equity package

Competitive vacation policy

Access to Meditopia

Hybrid working model and flexible working hours

Personal development including language courses

Formación

• Experience with TypeScript and React or alternative UI frameworks.
• Understanding of asynchronous programming and ES6 features.
• Ability to work in an Agile/Scrum environment.

Responsabilidades

• Collaborate with engineers and designers to build complex data visualizations.
• Develop sustainable and reusable code interfaces for user interaction.
• Take operational responsibility for components you write.
• Incorporate customer feedback into product improvements.

Conocimientos

Strong knowledge of JavaScript

Asynchronous programming

Product mindset

Team player

Herramientas

TypeScript

React

Redux

SCSS/CSS-in-JS

Jest

Descripción del empleo

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 London 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...

We’re looking for a talented Senior Frontend Engineer with boundless curiosity to solve complex, market-defying challenges—like building a multidimensional real‑time calculations engine!

Join us early in our journey to create groundbreaking technology that transforms how finance teams work and collaborate. This is a unique opportunity to code in an extremely agile environment, make a direct long‑term impact on our product and users, and help shape our technical design and engineering culture.

If you take ownership in your work, learn quickly, and are ready to be part of something extraordinary, we want to hear from you!

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 modelling 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

You can easily check off…

Stack

• TypeScript

• React (or strong experience in other UI frameworks)

• Redux

• SCSS/CSS‑in‑JS

• Jest/Playwright

Methodology

• Agile/Scrum

• Data driven

Skills

• Strong knowledge of JavaScript, asynchronous programming, closures, types, and ES6.

• Ability to solve complex product problems with optimized data structures and best practices

• Product mindset

• Team player

• Deep understanding on performance when building and operating through observability

Bonus Points if you have…

• Experience with backend programming languages (Python, NodeJS, GO or Ruby are preferred) and RESTful API creation

• Database systems knowledge (PostgreSQL and MySQL are preferred)

• Experience with Pandas, Polars or similar DataFrames technologies

Benefits

- Competitive compensation including equity package

- Competitive vacation policy

- Access to Meditopia

- Hybrid working model and flexible working hours

- Personal development including language courses

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 veteran status, or disability status.