KlarnaLondon, England, United Kingdom · On-site
$86k–$98k/yr
What you will do As a Fraud Operations Specialist, you will be a key contributor to Klarna’s fraud operations, combining hands-on casework with continuous improvement of how fraud is managed across the organization. You …
Skills: Fraud Operations, Case Management, Fraud Typologies, Analytical Thinking, Process Documentation
KlarnaLondon, England, United Kingdom · On-site
$86k–$98k/yr
As Fraud Operations Lead, you sit at the intersection of operational execution and fraud intelligence, shaping how fraud operations evolve as Klarna scales. You are responsible for improving how teams, processes, and too…
Skills: Fraud Operations, Team Management, Process Improvement, Vendor Management, KPI Definition
KlarnaLondon, England, United Kingdom · On-site
$76k–$101k/yr
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London, England, United Kingdom · On-site
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London, England, United Kingdom · On-site
iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic…
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KlarnaLondon, England, United Kingdom · On-site
$69k–$77k/yr
What you will do In this position, you will lead and support end-to-end AML and financial crime investigations, assessing customer behavior, transactional activity, and supporting documentation to identify and mitigate r…
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London, England, United Kingdom · On-site
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London, England, United Kingdom · On-site
Req ID: 509944 Location: London, Kings Cross Appointment Basis: 12 month Fixed Term Apply by: 06/07/2026 Salary: circa £60,000 DOE plus excellent benefits including bonus At Alstom, we understand transport networks and w…
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London, England, United Kingdom · On-site
Overview Susquehanna is seeking talented graduates to join their growing London office in September 2026. As a Software Development Graduate at Susquehanna, you will be working with senior technologists from the beginnin…
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London, England, United Kingdom · Remote Solely
$70k–$100k/yr
About Valitana Valitana is a rapidly growing FinTech company delivering cutting-edge SaaS solutions to institutional investors. Founded in 2017, our platform provides advanced financial analytics, trade flow insights, an…
Skills: CLO Modeling, ABL Deal Structures, Indenture Analysis, Structured Finance, Compliance Configuration
London, England, United Kingdom · On-site
About Us Fideres delivers effective economic analysis and testimony, turning data into courtroom advantage. As global litigation experts, we help law firms secure new cases and offer unbiased, conflict-free insights for …
Skills: Office Management, International Travel Planning, Event Management, Microsoft Office Suite, Team Leadership
Paris, Ile-de-France, France · Hybrid
$145k–$245k/yr
Loomis Sayles is a performance-driven active asset management company that seeks to identify exceptional investment opportunities on behalf of institutional and retail clients worldwide. We believe active management fuel…
Skills: Fixed Income, Relationship Management, Sales, Investment Strategy, Client Networking
London, England, United Kingdom · Hybrid
About the Job you are considering: We are seeking an experienced Senior Data Modeller with deep Insurance and London Market expertise to design, govern, and evolve enterprise‑grade data models across underwriting, pricin…
Skills: Data Modelling, Insurance Domain Knowledge, London Market Expertise, Canonical Data Models, Data Vault
FlagstoneLondon, England, United Kingdom · Hybrid
What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative sp…
Skills: Microsoft Sentinel, Azure Security, Defender XDR, Defender for Cloud, Terraform
London, England, United Kingdom · On-site
iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic…
Skills: Java, Python, Financial Trading Systems, Equities Trading, Algorithmic Execution
London, England, United Kingdom · Hybrid
About the role We’re hiring a hands-on QA Automation Lead to take technical ownership of how we test the Hyperlayer platform. This is a senior engineering role with two halves: extending and rebuilding our automation fra…
Skills: QA Automation, API Testing, REST Assured, Postman, Newman
London, England, United Kingdom · On-site
$88k–$95k/yr
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spe…
Skills: Financial Modeling, FP&A, Prudential Regulations, Capital Planning, Liquidity Planning
London, England, United Kingdom · On-site
$68k–$88k/yr
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spe…
Skills: Java, Kotlin, Spring Boot, AWS, RESTful APIs
London, England, United Kingdom · On-site
The Opportunity Mesirow Financial is an independent, employee-owned firm founded in 1937. As specialists in investment, risk management and advisory services, we are committed to helping our institutional, corporate, and…
Skills: Institutional Sales, Fixed Income Trading, Revenue Generation, Relationship Management, Credit Product Distribution
London, England, United Kingdom · On-site
$105k–$150k/yr
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spe…
Skills: Pricing Strategy, A/B Testing, SQL, dbt, Unit Economics
Klarna
London, England, United Kingdom • On-site
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The role involves handling end-to-end fraud casework for consumers and partners while identifying operational inefficiencies. The specialist will collaborate with internal teams and vendors to improve fraud prevention, detection, and investigation strategies.
Candidates need at least 3 years of fraud operations experience in fintech or payments and a strong understanding of fraud typologies. Proficiency in using fraud tooling and the ability to translate patterns into actionable insights are required.
What you will do
As a Fraud Operations Specialist, you will be a key contributor to Klarna’s fraud operations, combining hands-on casework with continuous improvement of how fraud is managed across the organization. You will work across consumer and partner fraud, handling cases with accuracy and consistency while maintaining deep operational expertise that supports the team as an internal centre of excellence. In this position, you will identify inefficiencies, escalate risks, and contribute to improving processes, tooling, and ways of working. You will collaborate with internal teams and vendor partners, validate operational changes through hands-on casework, and share insights that strengthen fraud prevention, detection, and investigation strategies.
Who you are
• At least 3 years of experience in fraud operations within fintech, payments, or a similar environment
• Strong understanding of fraud typologies across consumer and/or partner fraud
• Experience handling cases end-to-end with a high level of accuracy and consistency
• Ability to identify operational gaps, inconsistencies, and risks, and proactively raise them
• Experience working with fraud tooling and case management systems across automated and manual workflows
• Analytical mindset, with the ability to identify patterns and translate them into actionable insights
• Clear communicator, able to document processes, decision rationale, and share insights with stakeholders
• Self-directed and reliable, with the ability to manage workload and adapt in a fast-changing environment
Awesome to have
• Experience working with outsourced vendor operations, including quality monitoring and feedback loops
• Experience contributing to SOP creation, maintenance, and operational documentation
• Experience participating in calibrations, quality checks, or training initiatives
• Exposure to cross-functional collaboration with product, compliance, or risk teams
• Relevant certification such as CFE (Certified Fraud Examiner) or equivalent
Please include a CV in English
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