We are looking for a highly experienced Senior Software Engineer to join our Accounting squad, with the role open in London, Paris or Barcelona.You will help shape the technical direction of the squad, lead complex initiatives and contribute to building reliable financial systems that support accurate bookkeeping and month-end close.The Accounting squad is responsible for making sure that spend data is correctly prepared, enriched, coded and reconciled before it reaches accounting systems. We build the workflows and automations that turn complex financial operations into reliable, traceable and efficient processes for finance teams.You will work closely with Product, Design, Accounting specialists and other Engineering teams to solve complex domain problems and deliver robust systems. You will be expected to contribute beyond implementation by shaping architecture, clarifying technical trade-offs,



raising engineering standards and helping the squad make sound long-term decisions.Our stackTypeScriptNode.js for backend and banking applicationsReact on the frontendPostgreSQL for data storage; Redis, SQS, and Kafka for jobs and queuesTerraform to define our infrastructureKubernetes, Lambdas, and Step Functions to run our applicationsAWS as our cloud providerGitHub Actions for CIKey ResponsibilitiesLead the design and development of reliable systems for bookkeeping preparation, payables and payment workflows.Build rules-based automation for payable and expense coding.Improve how spend data is enriched, classified, validated and reconciled.Contribute to supplier and receipt management capabilities.Build clear accounting visibility and auditability for Finance teams.Design robust workflows that handle complex financial rules, exceptions and reconciliation scenarios.Define and evolve scalable architectures, domain boundaries and integration patterns.Own technical initiatives from discovery and architecture through implementation, production rollout and continuous improvemen

📌 Senior Software Engineer, Accounting (Barcelona)
🏢 Spendesk
📍 Barcelona