Senior Frontend Engineer

Tabby; Riyadh; Remote; SAR 200,000 - 300,000; Full time

Job summary

A leading FinTech company is seeking a Frontend Engineer to develop user-friendly interfaces and work on their Auth SDK platform. Ideal candidates should have strong skills in JavaScript, TypeScript, and React and experience with SDK development. The role offers a fully remote setup, competitive compensation, and benefits including stock options and paid leave.

Benefits

Up to 20% tax allowance

22 paid leave days annually

Stock options in a fast-scaling, pre-IPO company

Flexi benefits for wellness, travel, or learning

Relocation support for hubs in Europe

Qualifications

• Strong experience with JavaScript, TypeScript, and React.
• Solid understanding of frontend development, from architecture to deployment.
• Hands-on experience with SDK development and API design.

Responsibilities

• Develop and maintain UI screens with a focus on usability, performance, and aesthetics.
• Collaborate with Product Managers and Designers to build intuitive, UX-friendly interfaces.
• Work on Auth SDK Platform and contribute to Consent Platform integration.

Skills

JavaScript

TypeScript

React

Redux-Saga

Material UI

Jest

Webpack

Cryptography

Anti-fraud mechanisms

Widget/component integration

Job description

Tabby creates financial freedom in the way people shop, earn and save by reshaping their relationship with money. Over 15 million users choose Tabby to stay in control of their spending and make the most out of their money.

The company’s flagship offering allows shoppers to split their payments online and in-store with no interest or fees. Over 40,000 global brands and small businesses, including Amazon, Noon, IKEA, and SHEIN use Tabby to accelerate growth and gain loyal customers by offering easy and flexible payments online and in stores.

Tabby generates over $10 billion in annual transaction volume for its partner brands and is the highest-rated, most-reviewed, largest, and fastest-growing FinTech in the GCC region.

Tabby launched in 2019 and has since raised +$1 billion in equity and debt funding from global and regional investors, and is now valued at $3.3 billion.

Current Focus

• Auth SDK Platform - building unified JavaScript/TypeScript SDK for 15+ teams
• (strategic initiative)
• Consent Platform integration and migration (270k consents)
• Tabby Rebrand 2.0 (design system and token migration)
• Trusted Device, B2B Auth, and KSA Nafath integration
• BackOffice admin tools and audit systems
• Team Structure: 7 engineers + 1 PM + 1 EM, distributed across 5+ countries.

Department: Risk Technologies, Engineering

Employment Type: Full Time

Location: Remote

Workplace type: Fully remote

Reporting To: Artem Melnikov

Key Responsibilities

• Develop and maintain UI screens with a focus on usability, performance, and aesthetics.
• Collaborate with Product Managers and Designers to build intuitive, UX-friendly interfaces.
• Work on Auth SDK Platform - build JavaScript/TypeScript SDK libraries (npm packages) for frontend teams, implement Passkey/WebAuthn integration, crypto operations (Web Crypto API, HSM), anti-fraud mechanisms (JS Challenge, mTLS, device fingerprinting), and unify auth for 15+ teams.
• Contribute to Consent Platform integration - integrate platform widgets (full-screen and embedded), replace native screens, maintain UI/UX flows, and ensure regulatory compliance.
• Work on B2B Auth and Trusted Device - develop enterprise authentication flows, integrate Trusted Device with cryptography, HSM research for PIN security, and device fingerprinting for SAMA compliance.
• Ensure web applications meet non-functional requirements such as performance, scalability, and security.
• Contribute to technical design decisions and support the delivery of midsize to large projects.
• Take ownership of selected applications, including post-launch support

What You'll Bring

• Strong experience with JavaScript, TypeScript, and React.
• Solid understanding of frontend development, from architecture to deployment.
• Hands-on experience with tools and frameworks such as Redux-Saga, Material UI, Jest, and Webpack.
• Experience with SDK development - building JavaScript/TypeScript libraries (npm packages), API design, versioning, backward compatibility.
• Knowledge of Passkey/WebAuthn - WebAuthn API, biometric authentication, FIDO2 standards.
• Understanding of cryptography - Web Crypto API, HSM integration, crypto operations, security best practices.
• Experience with anti-fraud mechanisms - JS Challenge, mTLS, device fingerprinting, bot detection.
• Understanding of widget/component integration - integrating third-party widgets, platform components.
• Platform mindset - building systems for other systems, API design, developer experience.
• Excellent communication skills and a collaborative mindset.

What we offer

• Full-time B2B contract
• Fully remote setup, work from anywhere in Europe
• Up to 20% tax allowance
• 22 paid leave days annually
• Stock options (ESOP) in a fast-scaling, pre-IPO company
• Flexi benefits you can use for wellness, travel, or learning
• Work alongside a high-performing, international engineering team in a global fintech unicorn
• Relocation support is available to our hubs in Armenia, Georgia, Serbia, Portugal, and Spain, including flights, temporary accommodation, and legal setup, for up to $5,000 in verified costs.

About Tabby

Tabby creates financial freedom in the way people shop, earn and save, by reshaping their relationship with money.

The company’s flagship offering allows shoppers to split their payments online and in-store with no interest or fees. Over 32,000 global brands and small businesses, including Amazon, Noon, IKEA and Shein use Tabby to accelerate growth and gain loyal customers by offering easy and flexible payments online and in stores.

Tabby has generated over $7 billion in transaction volume for its partner brands and has the highest rated, most reviewed, largest and fastest growing app of any fintech in the GCC region.

Tabby launched operations in 2020 and has raised +$1 billion in equity and debt funding from global and regional investors.

Our Hiring Process

• Stage 1: Applied
• Stage 2: Review
• Stage 3: HR call @Tabby
• Stage 4: Interview
• Stage 5: Hired