
TF Bank AB · Borås
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 d...
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.
delivered by external suppliers
questions and issues — this is a significant and ongoing part of the role
Management
Desired Skills
Nice to Have
Behaviours
Education
BSc or MSc in Computer Science, Software Engineering, or equivalent practical experience.
Languages
Fluent English is required for this role. Fluent Swedish is not a hard requirement, but is desirable as Swedish is the language
spoken locally in the team and will make day-to-day collaboration easier.
We are looking for an experienced QA Lead to own quality assurance for our Core Ledger platform. Our team does not develop the core ledger systems ourselves — they are built and delivered by external suppliers. Your role is to set the test strategy, verify and regression test what our suppliers deliver, and make sure nothing goes live unless it meets our requirements. Since the systems involved are financial, precision and thoroughness really matter — you will be the last line of defence before a delivery is approved. This is a newly established, hands-on position within a small team. In this initial phase, the role will not carry direct reports; instead, the focus will be on personally executing tests, developing the test strategy, and leading verification and regression testing efforts in close collaboration with the wider team. Key Responsibilities * Define and own the overall test strategy for the Core Ledger domain, covering functional, regression, integration, and acceptance testing of supplier deliveries * Personally build and maintain test plans, test cases, and (where applicable) automated regression suites * Work with the Head of Core Ledger IT, Core Ledger Specialists, and Product Manager to embed quality from requirements through to delivery approval * Verify and regression test ledger transaction flows, balance calculations, and reconciliation logic delivered by suppliers * Drive a quality mindset across requirements writing, ensuring testability is considered from the start * Investigate and triage defects, coordinating resolution with suppliers and internal stakeholders * Define and track quality metrics; report on test coverage, defect trends, and delivery readiness * Participate in go/no-go decisions for supplier deliveries based on quality criteria * Support internal teams with questions about test results, known issues, and quality status * Contribute to risk assessments for major platform changes or new product introductions QUALIFICATIONS AND EXPERIENCE Desired Skills * 5+ years in QA roles, with experience leading test strategy and acceptance testing for complex systems * Strong experience with test automation tools and frameworks (e.g. Selenium, Cypress, RestAssured, Playwright or similar tooling) * Deep knowledge of testing methodologies — functional, regression, integration, and acceptance testing * Experience verifying and accepting deliveries from external suppliers or vendors * Solid understanding of how to structure test plans and test cases against detailed requirements Nice to Have * Experience testing financial systems — ledgers, payment flows, reconciliation, or core banking * Knowledge of performance and load testing tools (e.g. Gatling, k6, JMeter) * Experience working with vendor or supplier delivery models * Experience in a regulated financial or payments environment Behaviours * Quality champion — passionate about getting things right, not just fast * Detail-oriented and methodical, especially in high-stakes financial contexts * Strong communicator who can articulate quality risks to both technical and business audiences * Proactive and self-driven — able to identify gaps and take initiative to address them independently * Collaborative, working closely with a small team and external suppliers Education Bsc in Computer Science, Software Engineering, or related field. An ISTQB certification (or similar) is a plus. Languages Fluent English is required for this role. Fluent Swedish is not a hard requirement, but is desirable as Swedish is the language spoken locally in the team and will make day-to-day collaboration easier. WE OFFER * A key role in building and shaping a modern, cloud-native core ledger platform * A collaborative, cross-functional team environment with short decision paths * Competitive salary and benefits package * Flexible working arrangements with hybrid options * Opportunities for professional development and continuous learning * A chance to make a real impact in the fintech space across the Nordic market * Modern office in central Borås with a strong team culture
We are looking for a specialist who combines financial know-how with strong analytical skills to join our Core Ledger team. Our platform contain core ledger systems both fully developed internaly and developed and delivered by external suppliers. As an Interest & Product Logic Specialist, you will define and document the business rules behind interest, fees, and product configurations, and verify and test that what our internal- and external suppliers deliver matches our requirements and works correctly. A significant part of this role is providing hands-on internal support to colleagues across the business who have questions about interest, fees, and product behaviour — this is something all specialists in the team spend a lot of time on. Getting this right is essential — it directly affects how accurate and competitive our financial products are. You will join a small, close-knit team and have a great opportunity to make a direct impact early on and help shape it as it grows. KEY RESPONSIBILITIES * Define and document detailed requirements for interest calculation logic, accrual rules, and fee structures, to be delivered by external suppliers * Translate financial product requirements from business and product teams into precise specifications for our suppliers * Verify and test the product configuration delivered by suppliers, ensuring it behaves correctly for all financial instruments * Ensure the mathematical and financial correctness of calculation logic delivered, including edge cases and regulatory requirements * Collaborate with finance, compliance, and product teams to validate that supplier deliveries meet business intent * Support audit and regulatory reporting by ensuring calculation logic is transparent, traceable, and well-documented * Investigate and resolve discrepancies in interest calculations, fee postings, or product behaviour, working with suppliers when needed * Define and execute test cases for financial calculation logic, including boundary and regression tests * Provide hands-on internal support to other teams (finance, customer service, operations, and others) on questions about interest, fees, and product behaviour — this is a significant and ongoing part of the role QUALIFICATIONS AND EXPERIENCE Desired Skills * 4+ years of experience in a financial, analytical, audit (internal or external), or product role within financial services, lending, or payments * Strong understanding of interest calculation methodologies (e.g. effective interest rate, simple interest, compound interest, XIRR) * Experience writing detailed financial business rules and specifications for systems built by others, , or experience auditing and validating such systems * Solid grasp of product structures in consumer credit, BNPL, or instalment lending * Ability to work with complex financial specifications and verify that delivered systems implement them correctly Nice to Have * Experience conducting audits, controls, or reviews of financial systems, ideally related to interest or fee calculation * Knowledge of Nordic or European consumer credit regulation (e.g. Consumer Credit Directive) * Experience with configuration-driven financial product frameworks delivered by suppliers * Background in financial audit, actuarial science, quantitative finance, or financial mathematics * Familiarity with accounting principles as they relate to interest and fee recognition * Prior experience in internal audit, external audit (Big Four or other firms), or operational risk control functions Behaviours * Exceptional analytical rigour — comfortable with mathematical precision and financial logic * Service-minded and approachable — enjoys helping colleagues understand interest, fee, and product logic * Strong bridge-builder between finance/business language and supplier requirements * Thorough documenter — understands that correctness must be explainable and auditable * Curious and proactive in challenging assumptions and validating requirements * Collaborative, with an ability to work effectively with business stakeholders and external suppliers EDUCATION BSc or MSc in Computer Science, Software Engineering, Finance, Audit, or equivalent practical experience.Languages Fluent English is required for this role. Fluent Swedish is not a hard requirement, but is desirable as Swedish is the language spoken locally in the team and will make day-to-day collaboration easier. WHAT WE OFFER * A key role in building and shaping a modern, cloud-native core ledger platform * A collaborative, cross-functional team environment with short decision paths * Competitive salary and benefits package * Flexible working arrangements with hybrid options * Opportunities for professional development and continuous learning * A chance to make a real impact in the fintech space across the Nordic market * Modern office in central Borås with a strong team culture
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