We're looking for a skilled Core Ledger Specialist to join our platform team. Our team does not develop the core ledger systems ourselves — they are built and delivered by external suppliers. Your role is to understand the business and financial logic deeply, define and write clear requirements, verify and regression test what our suppliers deliver, and support internal configuration of the platform. A significant part of this role is providing hands-on internal support to colleagues across the business who rely on the core ledger day to day — this is something all specialists in the team spend a lot of time on. This role calls for strong analytical and technical skills combined with a good understanding of how financial ledgers work.You will join a small, close-knit team: today the Core Ledger team consists of a Head of Core Ledger IT, a Product Manager, and two Core Ledger Specialists (one of whom also carries delivery management responsibilities). This is a great opportunity to make a direct impact early on and help shape the team as it grows.Key ResponsibilitiesDefine and document clear, detailed requirements for transaction processing, balance management, and posting logic, to be delivered by external suppliersVerify and regression test supplier deliveries to ensure data integrity, accuracy, and consistency across all ledger operationsCollaborate with the Head of Core Ledger IT and suppliers on solution design and technical decisionsInvestigate and resolve complex ledger-related incidents and data discrepancies, working with suppliers when neededMaintain clear documentation, including requirements, data flows, test results, and runbooksSupport internal configuration of the core ledger platformProvide hands-on internal support to other teams (finance, customer service, operations, and others) on day-to-day ledger questions and issues — this is a significant and ongoing part of the roleSupport integration of new products and financial instruments into the ledger framework,



working with suppliers and Product ManagementWork closely with QA and the Delivery Manager to ensure supplier deliveries are well tested before approvalQualifications and ExperienceDesired Skills4+ years of experience working with financial or transactional systems, in a requirements, analysis, or configuration roleStrong understanding of bookkeeping, financial transaction processing, or core banking systemsExperience writing clear, detailed requirements and acceptance chriteria for systems delivered by external suppliersFamiliarity with relational databases and ability to query and analyse data (SQL)Solid understanding of how to verify and test complex system deliveriesNice to HaveExperience working in a regulated financial environment (banking, payments, BNPL)Knowledge of accounting standards and financial reporting requirementsExperience working with externally delivered or outsourced systemsFamiliarity with testing frameworks and structured test methodologiesBehavioursPrecision-minded — takes accuracy and correctness seriously, especially in financial contextsService-minded and approachable — enjoys helping colleagues understand and resolve ledger-related questionsCurious and continuous learner who stays current with industry practicesCollaborative team member who shares knowledge and supports colleaguesTakes ownership of problems and follows through to resolutionConstructive and clear in requirements discussions and supplier reviewsEducationBSc or MSc in Computer Science, Software Engineering, or equivalent practical experience.LanguagesFluent English is required for this role. Spanish and Swedish language is a plus.We OfferA key role in building and shaping a modern, cloud-native core ledger platformA collaborative, cross-functional team environment with short decision pathsCompetitive salary and benefits packageFlexible working arrangements with hybrid optionsOpportunities for professional development and continuous learningA chance to make a real impact in the fintech space across the Nordic marketModern office in central Málaga with a strong team culture
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📌 Core Ledger Specialist · Málaga ·
🏢 TF Bank
📍 Málaga