Senior Frontend Engineer (Marketing)

We are looking for an experienced Senior Frontend Engineer with deep technical expertise and a passion for development.

As a Senior Frontend Engineer, you will design, develop, and optimize marketing funnels that drive engagement, conversions, and revenue. You’ll collaborate closely with marketing strategists and developers to create seamless user experiences and ensure the high quality of the memoryOS project.

The core value for us — strong ownership skills, taking responsibility for results, driving tasks to completion, and approaching them with a focus on efficiency and quality.

Ready to be part of a modern, fast-growing, #1 product in its niche while gaining extensive professional growth? Apply now!

Who are we?

memoryOS is the world’s #1 app for improving memory and focus, helping people overcome the forgetting curve and retain needed knowledge. Proven learning and memory techniques are merged with Duolingo-like gamified e-learning with patented virtual mind palace tech. Co-founded by 2X World Memory Champion — Jonas von Essen.

We're a remote team of 30 diverse, like-minded professionals, united in solving the problem of the forgetting curve.
 

We are proud to be the Most Funded App on Kickstarter. memoryOS was featured on TechCrunch and recognized by Google Brands Accelerator as a product that is “light years ahead of any other company in memory space”.

Why work with us?

• We are open and transparent about our operations, decisions, and performance and foster trust with customers, investors, and employees.
• We can share our ideas, concerns, and perspectives openly.
• We appreciate direct and constructive feedback, where problems are solved openly and where we commit to facing reality, no matter how challenging.
• We are respectful, value the diverse perspectives of our employees, clients, and partners, and recognize each individual’s contributions.
• We are proud that each team member has the chance to influence project development and contribute to its success.

Tech Stack:

• React
• TypeScript
• Javascript
• Git

What you’ll be working on:

Landing Page & Funnel Development

• Develop high-converting landing pages optimized for marketing campaigns and dynamic personalization.
• Build and optimize marketing funnels & checkout integrations.
• Implement advanced form handling, lead capture flows, and multi-step funnel interfaces.

Tracking, A/B Testing & Conversion Optimization

• Experience setting up and optimizing A/B testing and personalization strategies using tools such as Convert.com, GrowthBook, Optimizely, etc.
• Ensure accurate tracking of marketing pixels, conversion tracking (Facebook Ads, Google Ads, TikTok, etc.), and event triggers.
• Debug and troubleshoot frontend tracking issues to ensure data accuracy.

Frontend Performance & UX Optimization

• Optimize pages for speed, responsiveness, and SEO, maximizing ad quality scores.
• Improve frontend performance using Core Web Vitals, Lighthouse, GTmetrix, Google PageSpeed, lazy loading, asset bundling, etc.
• Ensure cross-browser and cross-device compatibility to maximize campaign reach.
• Create reusable, modular UI components for rapid deployment.

Collaboration & Technical Integration

• Collaborate with developers, QA engineers, designers, Product Owners, and marketing teams to refine tracking and analytics strategies.
• Integrate frontend solutions with third-party services and CRMs (GoHighLevel, HubSpot, ActiveCampaign, etc.)

Code Quality & Best Practices

• Write clean, maintainable, and efficient front-end code
• Participate in code reviews, sprint planning, and product discussions
• Contribute to continuous improvements in performance, scalability, and quality
• Stay up-to-date with industry trends and emerging technologies

About you:

• 5+ years of proven experience as a Frontend Developer, specializing in optimizing frontend solutions for marketing funnels.
• Strong expertise in React.js and TypeScript.
• Solid experience with mobile-first and responsive development across web and mobile platforms.
• Experience in technical design and application architecture (building applications from scratch to production).
• Experience building client—server architecture, understanding principles and design patterns.
• Excellent analytical and ownership skills.
• Creative problem-solving mindset with high ethical standards.
• Proactive, reliable, and committed to continuous self-development.
• English proficiency (B2+).

Optional green flags:

• Experience with rich UI applications (animations, parallax, visually intensive components).
• Payment systems integration (Stripe, Solidgate, etc.).
• Experience working with WebView.
• Developing admin interfaces and internal tools.
• Integration of A/B testing frameworks and analytics services.

You will also get:

• The opportunity to influence technical trends on the project and take responsibility for making ownership of the right decisions.
• Developing solutions that have a direct impact on business.
• Transparent management and regular feedback.
• Enjoy a vacation and paid sick leave days to relax every year.
• Fully remote: you are free to choose your productive work time and place.
• Friendly atmosphere and supportive team: your voice matters, your ideas are heard, and we celebrate wins together.

Getting the job

Enjoy building a top-level product with us while gaining extensive professional experience in a company with an important mission.

Step by step for this position:

1. Screening interview with Recruiter (up to 1 hour): To discuss the position, check basic competencies, and culture fit.
2. Technical interview with CTO and Full Stack Technical Lead( up to 2 hours): Detailed сase approach to identify experience, technical skills, and core competencies.
3. Full Day (up to 5 hours): Have an opportunity to work with a Full Stack Technical Lead, solve tech problems, and write code.
4. Referral: Recommendations from the previous workplace.
5. Offer call (30 min): Discussion of a Job Offer Proposal.

Let’s make the world remember!