We are looking for a talented Senior Software Engineer to join our Product, Design, and Engineering organisation and help shape the future of spend management.
This role is primarily backend-focused, with an expected split of approximately 70% backend and 30% frontend .
You will take ownership of functional and technical topics across the full feature lifecycle, from discovery and specification through technical design, development, testing, documentation, deployment, and maintenance.
As a Senior Software Engineer, you will also help shape the squad’s technical direction, lead initiatives, support strong engineering practices, and contribute to a positive and collaborative team culture.
TypeScript, with Node.js and React
PostgreSQL for data storage
Redis, SQS, and Kafka for jobs, messaging, and queues
Terraform to define our infrastructure
Kubernetes, Lambdas, and Step Functions to run our applications
AWS, GitHub Actions, Claude Code, and LLM-assisted workflows
Design, develop, and maintain reliable services for wallet accounts, deposits, balances, cash movements,



and payment flows.
Build clear and trustworthy experiences that help finance teams understand current and future cash positions.
Define and evolve robust architectures, applying principles such as hexagonal architecture, clear domain boundaries, and strong data consistency.
Fluency in written and spoken English, our business language.
At least 5 years of experience in software development , ideally in a product-focused environment.
Strong expertise in TypeScript , particularly for backend development with Node.js.
A proven track record of designing and delivering high-quality, scalable products.
Experience with wallet, treasury, cash management, accounting, reconciliation, or payment account products.
Experience with ledgers, financial data consistency, event-driven systems, or event-sourcing patterns.
Knowledge of compliance, security, banking operations, or maintaining reliable regulated platforms.
Expe

📌 Senior Software Engineer with English, hibrido (España)
🏢 Spendesk
📍 España