Location: Based in the Aimsun office in Barcelona, combined with remote working and the option of flexible hours. Aimsun is an innovative technology company driving the global transformation of transportation. We empower cities, authorities, and private companies to make smarter, data-driven decisions that enhance safety, improve quality of life, and promote sustainable mobility. Through innovative solutions, we support the implementation of alternative transport strategies that benefit all citizens. At Aimsun, we thrive on collaboration and innovation, creating an environment where talented people come together to shape the future of mobility. We champion curiosity, diversity, and real-world impact, offering every team member the chance to contribute meaningfully to smarter, safer cities. We are looking for an early-career finance professional who wants to build a strong foundation in finance while working in a tech-driven, mission-led company. In this role, you will support core finance operations, gain exposure to multiple areas of the function, and help improve workflows through digital tools and smarter ways of working. This role reports directly to the CFO and sits within the Finance team. Why this role is exciting • Work closely with the CFO and gain broad exposure across finance. • Use digital tools and AI-enabled ways of working to simplify recurring tasks and improve workflows. • Build practical experience in a company shaping the future of mobility through technology. Benefits of working at Aimsun: Flexible working hours and partial remote working Dedicated HR support and training opportunities Individual annual review and career development support Modern, comfortable offices in central locations Collaborative, low-ego environment with open feedback, modern ways of working, and space for ideas A mission-driven company using technology to improve urban and natural environments Responsibilities and tasks: Finance and bookkeeping tasks Perform day‐to‐day bookkeeping in Xero or Sage, ensuring accurate and timely posting of transactions. Manage accounts payable and accounts receivable, including invoice processing, vendor communication, and payment scheduling. Maintain up‐to‐date financial records in internal systems and support the preparation of monthly and ad‐hoc financial reports, helping keep information accurate, organised, and decision-ready. Reconcile bank accounts, deposits, expense claims, and company credit cards, ensuring alignment with internal controls. Review and process purchase requests, verify supporting documentation, and help keep approval workflows efficient, clear, and well organised. Prepare and execute supplier and employee payments in line with company policies. Assist with internal invoicing, payment processing, and approval coordination, while identifying opportunities to streamline recurring finance tasks. Assist in the preparation and coordination of the company's internal and external audits. Support the preparation, review, and submission of taxes filings and related documentation. EDUCATION Bachelor's degree in Business Administration or a related discipline. SKILLS Excellent time management, organisational skills, attention to detail, and a proactive approach to learning. Service orientation, flexibility, positive attitude and team spirit. Ability to thrive under pressure, meet tight deadlines, and solve problems effectively. Strong interpersonal skills, accountability, and a willingness to take ownership and learn new tools quickly. Commitment to diversity and inclusion. Excellent written and verbal communication & presentation skills in English and Spanish (Catalan is a plus but not required). Proficiency in Microsoft 365 applications, especially Excel. Knowledge of accounting software such as Quick Books, Xero or Sage. Exposure to credit control, bookkeeping & accounting, reporting & consolidation, budgeting and cost control, treasury, and trade/legal compliance. Basic knowledge of tax and compliance requirements. Curiosity about AI tools (e.g. Microsoft Copilot) and how they can simplify finance work and improve recurring workflows. Digital fluency and a process-improvement mindset; confidence using technology to work smarter, not just faster. EXPERIENCE 0–2 years of relevant experience; internships or academic project experience in finance are also welcome. If you are looking to start or grow your career in finance within a dynamic digital solutions company shaping the future of mobility, we would love to hear from you. Aimsun is an equal opportunity employer and does not discriminate against any employee or job applicant based on race, political affiliation, religion, nationality, gender, physical or mental health status, disability or age.