Senior Back End Engineer (Integrations)
2 days ago
Barcelona
ph3About Abacum /h3 pAbacum is the leading bBusiness Planning solution for finance teams to drive performance /b. By automating reporting, enabling collaboration, and simplifying planning and forecasting, we help finance teams shift from number crunching to driving strategic decisions. /p pFounded in 2020 by two former CFOs, we’ve grown into a global team of b100+ people /b across b30+ nationalities /b. Headquartered in bNew York /b, we have offices in Toronto and Barcelona. We’re trusted by industry leaders such as bDish Networks, Strava, BetterUp, Kajabi, JG Wentworth, Abridge, Cortex /b, and hundreds more. /p pWe have raised over $100m, closing in June 2025 our b$60M Series B, led by Scale Venture Partners /b, with the strong participation of bCathay Innovation, Y Combinator /b, Atomico, Creandum, and angel operators from Adyen, Zapier, and Twitch. /p pOur mission is ambitious and we can’t do it alone - bjoin Abacum as we build the future of Business Planning! /b /p h3We are looking for... /h3 p… btalented engineers /b 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. /p h3Being a Software Engineer at Abacum means... /h3 ul li pCollaborate closely with engineers, product designers, and product to perform experiments and test new ideas /p /li li pBuild 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 /p /li li pDrive user defined data modeling and performance, providing the user with customization possibilities through reusable building blocks: models, variables, formulas, … /p /li li pTake operational responsibility for the components that you write /p /li li pWork 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 /p /li li pWork with product and our operations team to incorporate customer feedback in order to constantly improve our product /p /li li pScale our complex data and calculations platform for a fast growing number, size and complexity of clients /p /li /ul h3What You’ll Do as a Senior Back End in the integrations team: /h3 ul li pMove fluently across multiple programming languages and ecosystems beyond our core stack (not limited to Python or Django) to read, adapt, and extend integration‑specific code such as ERP scripting frameworks (e.g. SuiteScript), native app extensions for accounting and finance platforms, and third‑party vendor SDKs. /p /li li pWork confidently with a wide range of authentication and identity flows, including OAuth 2.0 / OIDC, SSO providers (Microsoft Entra ID, Okta, Google Workspace), SAML, and service‑to‑service authentication. Comfortable managing different token types (access, refresh, JWT, API keys), handling token lifecycles, and applying secure communication protocols (TLS/HTTPS, signed requests, secret management) across all integrations. /p /li li pLead the design and development of Abacum's integrations platform for ingesting, normalizing, and annotating business data. /p /li li pBuild and scale bidirectional integrations with billing, accounting, ERP, commerce, and HRIS platforms. /p /li li pArchitect low‑code/no‑code tools (e.g. connector builder, declarative DSLs, LLM‑assisted workflows), and choose between integration strategies (unified API, in‑house, contractors) to accelerate integration development and maintenance. /p /li li pEnsure integrations are secure, resilient, and performant at scale, supporting high‑volume financial and transactional data. /p /li li pCollaborate closely with product, design, financial experts, and customers to translate complex, ambiguous workflows into intuitive software experiences. /p /li li pEstablish technical standards, and guide architecture for integrations and data‑heavy systems. /p /li /ul h3Your Experience /h3 ul li p7+ years of experience, at least 2+ of which are on integrations roles /p /li li pStrong background in building integrations for data‑heavy use cases /p /li li pHands‑on depth in Python and modern backend systems /p /li li pExperience architecting or working on integrations platforms, data platforms, or similar large‑scale API ecosystems. /p /li li pCuriosity and persistence in tackling ambiguous, high‑stakes technical problems like low‑code builder design, LLM‑assisted workflows, and data enrichment /p /li li pPragmatic judgment: know when to ship quickly vs. when to invest in foundational architecture. /p /li /ul h3Benefits /h3 ul li pCompetitive compensation including equity package /p /li li pCompetitive vacation policy /p /li li pMedical Insurance /p /li li pbLD budget /b /p /li li pAccess to Meditopia (wellbeing platform) /p /li li pLanguage courses (English / Spanish) /p /li /ul h3Our Values /h3 pbCustomer Obsession: /bWe share the understanding that Abacum's sole purpose is to create value for customers and relentlessly deploy all creativity and energy to that end. /p pbAudacious Ambition: /bWe dream big and embrace discomfort. We assume risks, make on‑time mistakes and learn how to methodically accomplish our goals. /p pbGood People: /bWe 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. /p pbTough Love: /bWe truly care for everyone in the team and embrace honest feedback and radical candor as ways to genuinely help each other. /p pQualified 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. /p /p #J-18808-Ljbffr