Senior Software Engineer - Frontend - Growth Insights

Kraken; Málaga; In loco; EUR 65.000 - 95.000; Tempo pieno

Descrizione del lavoro

Kraken is seeking a Senior Software Engineer – Frontend to join the Growth Insights team in Spain. You will own data-driven frontend development, build shared libraries for event tracking, and ensure reliable analytics across Kraken’s frontend platforms.

Collaborate with Data, Analytics, Marketing, and Engineering to improve attribution, validate data quality, and support experimentation. You will mentor peers, implement best practices for tracking, and help scale our MarTech stack while

Competenze

• 6+ years of frontend development experience with React.js (web or React Native) and TypeScript.
• Deep understanding of web and mobile tracking technologies and analytics platforms (GA, GTM, Segment, Mixpanel, AppsFlyer).
• Proven ability to audit, troubleshoot, and resolve data discrepancies in complex tracking systems.
• Experience collaborating across multiple teams to implement consistent tracking strategies.

Mansioni

• Develop and maintain frontend components and libraries with a focus on data-driven analytics.
• Ensure data quality and consistency by building validation, monitoring, and alerting for tracking data.
• Document and evangelize best practices for analytics implementation across codebases.
• Collaborate with Data, Analytics, Marketing, and Engineering to align event data with truth sources.
• Continuously optimize MarTech stack and attribution modeling for better insights.
• Map and refine event data flows to reduce redundancy and improve efficiency.
• Support experimentation infrastructure and A/B testing frameworks as needed.

Conoscenze

Frontend development

React.js

TypeScript

Web analytics

Cross-team collaboration

Strumenti

Google Tag Manager

Google Analytics

Segment

Mixpanel

AppsFlyer

Descrizione del lavoro

# Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures. Become a Krakenite and build the future of crypto!

Proof of work

The team

The Growth Insights team is responsible for building a scalable, well-integrated, and governed analytics ecosystem that enables Kraken’s Growth and Platform teams to make data-driven decisions with confidence. Our mission is to ensure that marketing, product, and business analytics data is accurate, reliable, and actionable, allowing us to optimize attribution, performance tracking, and user interactions across our ecosystem. We collaborate closely with Engineering, Product, Marketing, and Data teams to audit, enhance, and streamline event tracking, improve attribution accuracy, and optimize our MarTech stack. Our work ensures that analytics tracking is transparent, maintainable, and aligned with best practices, while enabling other teams to confidently make data-driven improvements to Kraken’s user experience. As a Frontend Engineer on the Growth Insights team, you will be the driving force behind our analytics tracking, attribution models, and event data governance. You will play a key role in optimizing how data flows through our extensive MarTech infrastructure, ensuring we capture, process, and report on key user interactions, marketing performance, and A/B tests with accuracy and reliability.

The opportunity

• Develop and maintain shared libraries and best practices for event tracking across multiple codebases, ensuring consistency, reducing duplication, and enabling high-quality data collection across Kraken’s frontend platforms
• Ensure data quality and consistency by building robust validation, monitoring, and alerting systems that detect and prevent data issues proactively
• Document and evangelize best practices for analytics implementation, creating a clear and accessible knowledge base for engineers and analysts
• Collaborate with Data Engineering and Analytics to ensure event data is aligned with our source of truth and supports reliable decision-making
• Continuously optimize our MarTech stack, evaluating and integrating tools that enhance tracking, attribution, and customer insights
• Improve event and attribution modeling, enabling more accurate insights into user journeys, marketing performance, and product engagement
• Map and refine event data flows to reduce redundancy and improve efficiency, transparency, and cost-effectiveness across our analytics architecture
• Support experimentation infrastructure, helping teams design and implement A/B testing frameworks as needed

Skills you should HODL

• 6+ years of experience in frontend development with strong expertise in React.js (web or React Native) and TypeScript
• Deep understanding of web and mobile tracking technologies and analytics platforms, such as Google Tag Manager, Google Analytics, Segment, Mixpanel, and AppsFlyer
• Proven ability to audit, troubleshoot, and resolve data discrepancies in complex tracking systems
• Experience working across multiple teams and codebases to implement consistent tracking strategies
• Strong communication and collaboration skills, with the ability to align engineering, marketing, and analytics on tracking best practices

Nice to haves

• Hands-on experience with frontend testing frameworks and modern build pipelines
• Experience with large-scale data tracking and analytics infrastructure is a plus
• Knowledge of marketing automation solutions and advertising network integrations
• Familiarity with A/B testing solutions and experimentation methodologies
• Back end engineering experience a plus
• Understanding of cryptocurrency, blockchain technology, and decentralized applications

Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis. Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution. We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance. Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgable about crypto! We may ask candidates to complete job-related skills or work-style assessments as part of our hiring process. These assessments are designed to evaluate competencies relevant to the role and are applied consistently across candidates for similar positions. Assessment results are considered alongside other relevant information, such as experience and interviews, and are not the sole basis for any employment decision. As an equal opportunity employer, we don’t tolerate discrimination or harassment of any kind. Whether that’s based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.

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Senior Software Engineer - Frontend - Growth Insights • Spain