Senior Backend Engineer (memoryOS)

Title: Senior Backend Engineer (memoryOS) Location: Kyiv, Ukraine (Remote)

Flyer One Ventures - is an early-stage venture capital fund investing in ambitious CEE and Ukrainian founders who build global companies. We’ve already invested in 95 startups and deployed nearly €40M. We also help our companies with recruitment and connect them to industry experts.
Currently, we're looking for an Senior Backend Developer for our portfolio company - memoryOS .

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. The 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”.

What you’ll be working on:

• Develop and maintain scalable backend architecture using Node.js, NestJS, Redis, TypeORM, and PostgreSQL;
• Maintain high standards in terms of performance, scalability, and security;
• Maintain high code quality in adherence to company standards and best practices;
• Participate in code reviews, sprint planning, and product discussions;
• Stay up-to-date with industry trends and emerging technologies;
• Collaborate with developers, QA, designers, and Product Owners to ensure successful product delivery.

About you:

• 5+ years of experience as a Backend Developer;
• Strong expertise in Node.js and NestJS;
• Deep understanding of scalable architecture and system design;
• Solid experience with PostgreSQL and performance optimization;
• Experience in technical design and application architecture (building applications from scratch to production);
• Excellent analytical and ownership skills;
• Creative problem-solving mindset with high ethical standards;
• Proactive, reliable, and committed to continuous self-development;
• Proficiency in English (B2 level).

Would be a plus:

• Experience with GCP and CI/CD configuration;
• Experience with React.

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;
• The opportunities to be involved in interesting and useful product for millions of people;
• The modern team of like-minded and diverse professionals;
• 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;

Join us!