Senior Back End Engineer (Integrations)

Abacum
United States
Workplace: RemoteFull timeFunction: Solutions Engineering & Sales EngineeringExperience: 5+ yearsSkills: ["Ownership","Collaboration","Rapid learning","Problem-solving","Judgment"]

Own the integrations platform that ingests, normalizes, and annotates business data. Build scalable bidirectional integrations for billing, accounting, ERP, commerce, and HRIS systems, while designing secure, resilient, and high-performance authentication flows. Lead integration strategy across unified APIs, in-house builds, and tooling like connector builders and declarative DSLs, collaborating with product, design, and finance experts to translate complex workflows into usable experiences.

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FursaFursa
Abacum
Abacum
2 days ago

Senior Back End Engineer (Integrations)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

Own the integrations platform that ingests, normalizes, and annotates business data. Build scalable bidirectional integrations for billing, accounting, ERP, commerce, and HRIS systems, while designing secure, resilient, and high-performance authentication flows. Lead integration strategy across unified APIs, in-house builds, and tooling like connector builders and declarative DSLs, collaborating with product, design, and finance experts to translate complex workflows into usable experiences.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Move fluently across backend languages and ecosystems to read, adapt, and extend integration-specific code and vendor SDKs.
  • •Design and develop the integrations platform for ingesting, normalizing, and annotating business data.
  • •Build and scale bidirectional integrations with billing, accounting, ERP, commerce, and HRIS platforms.
  • •Architect authentication and identity flows, managing token lifecycles and ensuring secure communication across integrations.
  • •Establish technical standards and guide architecture for integrations and data-heavy systems.

Pay and Benefits

Perks:Health InsuranceEquity PackageLearning BudgetLanguage CoursesWellness Stipend

Key Requirements

  • •7+ years of experience, with at least 2+ years on integrations roles.
  • •Strong background building integrations for data-heavy use cases.
  • •Hands-on depth in Python and modern backend systems.
  • •Experience architecting integrations platforms, data platforms, or large-scale API ecosystems.
  • •Curiosity and persistence for ambiguous, high-stakes technical problems, including low-code builder and LLM-assisted workflows.
Experience:5+ yearsIntegrationsData-heavy use casesAPI ecosystems
Skills:OwnershipCollaborationRapid learningProblem-solvingJudgment
Languages:EnglishSpanish
Tech Stack:PythonDjangoSuiteScriptOAuth 2.0OIDCMicrosoft Entra IDOktaGoogle WorkspaceSAMLJWTAPI keysTLS/HTTPSLow-code/no-codeConnector builderDeclarative DSLsLLM-assisted workflowsSecret management

Company Brief

Abacum
Provides an AI-driven FP&A platform that automates financial planning, forecasting, and reporting to help finance teams streamline budgeting, scenario planning, and collaboration across organizations.
Industry: Enterprise Software
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Funding: Series A
Headquarters: Barcelona, Spain
Founded: 2019
Website