Unicorn Foundations: At Cosmose AI, we build smart, innovative tech that’s reshaping digital marketing and content distribution. Since launching in 2014, we’ve gone from transforming offline shopping to powering personalized content experiences through AI. Founded by Miron Mironiuk, our journey started with one bold idea—and it’s grown into a feature that caters to people with what they care about most, right from their lock screens.

Exceptional Engineering: Our engineering team is far from average; it's a powerhouse of talent. Comprising former FAANG employees and programming champions, they bring a wealth of expertise and a shared passion for crafting high-quality products. Our core expertise lies in engineering solutions that leverage the power of AI, blockchain, and distributed computing. We thrive in a startup environment, where agility, creativity, and quality are the pillars of our mission.

Global Presence, Local Innovation: With offices spanning 6 countries, Cosmose AI is truly a global entity. Our engineering headquarters is anchored in Warsaw, the heart of our innovation. Additionally, we have championed remote work for years, giving every engineer the freedom to work from anywhere in the world.

We’re looking for an experienced Senior Software Engineer (Tech Lead) to join and guide our engineering team while building innovative products that impact millions of daily active users and driving technical excellence. This role is mostly hands-on coding with some team leadership and project ownership in a fast-paced startup environment. If you have a strong background in data analysis and data engineering, we’d love to hear from you!

TL;DR Why us:

Big Scale & Startup Culture: Join a company that combines the scale of a major player with the agility and innovation of a startup
Exceptional Team: Collaborate with a team of former employees from tech giants like Google, Facebook, ByteDance, and Microsoft, as well as ACM ICPC programming champions
Stock Options: As we grow and succeed together, you'll have the chance to benefit from it
Flat Structure: Enjoy a flat organizational structure that promotes collaboration and provides opportunities to learn from seasoned technical leadership
Challenging Engineering Problems: Tackle challenging engineering problems in areas of high-performance computing, distributed systems, blockchain, and AI/ML

What You’ll Do

Design and develop scalable and robust data intelligence services for crunching through vast lakes of Cosmose data
Build internal tools for our data-driven decision-making and monitoring needs
Lead and mentor the team
Maintain high software quality standards through proper design, well-structured automated testing, and thorough code reviews
Assist with the assessments of experiments and formulate recommendations as to the best course of action in product development based on data
Collaborate with other teams to align technical efforts with business goals.
Drive innovation by staying up to date with emerging technologies and trends.

What You’ll Need

Experience in software development with a focus on building scalable solutions
A background in leadership or mentorship role is a plus
Strong understanding of statistics.
Excellent problem-solving skills and the ability to make decisions in a fast-paced environment.
Good communication skills to work effectively across teams and with stakeholders.
Interest or experience in infrastructure development is a plus.
A mindset for innovation and the drive to build high-impact products in a startup environment.

What You’ll Enjoy

Cosmose provides employees with a great platform to immerse and learn about the most exciting, innovative, and disruptive technologies in offline behavior solutions, unveiling untapped opportunities and profits in the industry. The company constantly innovates to invent and apply world-class technologies with a rockstar engineering team, including four world championship programming medalists. You’ll be working with a strong leadership team backed by experience from various key strategic areas and many other driven & intelligent people across the company. Cosmose is a place where great culture and goals unite departments and individuals to achieve big milestones together.

We’re building something big—and we’re just getting started.

If you’re excited about shaping the future of AI-powered mobile content, we’d love to meet you.

👉 Be part of the Cosmose story. Apply now!

Read More On

TechCrunch, Business Insider, Forbes and CNBC.