Senior Software Engineer, Accounting

In this role you will shape the technical direction of the Accounting squad, building reliable financial systems that support accurate bookkeeping and month-end close. You will collaborate with Product, Design, Accounting, and other Engineering teams to solve complex domain problems and deliver robust systems. Expect to own architecture, trade-offs, and long-term engineering standards while delivering high-quality, scalable solutions. The role offers autonomy and a direct impact on finance tooling, data quality, and automation within Spendesk.

• Flexible on-site and remote policy
• Moka.care for emotional and mental health wellbeing
• Latest Apple equipment
• Great office snacks
• Autonomy and growth culture
• Diversity & Inclusion

• Lead design and development of reliable systems for bookkeeping preparation, payables and payment workflows
• Build rules-based automation for payable and expense coding
• Improve spend data enrichment, classification, validation and reconciliation
• 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 to production rollout and continuous improvement
• Make pragmatic decisions around data consistency, reliability, observability and maintainability
• Work closely with Product, Design, Accounting and Operations stakeholders to translate complex business requirements into effective solutions
• Provide technical guidance and mentorship to other engineers
• Help shape engineering practices, architectural standards and the technical roadmap of the squad
• Use AI-assisted development tools responsibly and help the team adopt effective engineering workflows

• Fluency in written and spoken English
• Significant professional experience building and operating production software
• Strong expertise in TypeScript, particularly backend development with Node.js
• Proven track record designing and delivering reliable, scalable and maintainable systems
• Strong architectural knowledge, including microservices, domain modelling, event-driven systems and data consistency
• Experience leading complex technical initiatives from discovery through production
• Ability to make sound technical decisions and communicate trade-offs clearly with both technical and non-technical stakeholders
• High degree of autonomy, ownership and influence beyond direct implementation
• Experience mentoring engineers and raising engineering standards within a team or organisation
• Strong product mindset and ability to understand complex business and financial workflows

• Collaborative mindset
• Strong communication skills
• Mentorship and leadership
• TypeScript
• Node.js
• React