Full Stack Engineer (Europe)

Kalepa · Europe (Full Remote) · Engineering

Posted 2026-09-23

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Salary range: $80k – $105k USD*

We are looking for smart programmers who love to code, seek challenging problems, and appreciate recognition for excellent work. As a core engineer, your contributions will have a significant impact on our technology and business. You will be working on advanced systems including NLP, firmographic data, entity resolution, and much more.

In this role, you’ll solve interesting problems at the intersection of large and performant data pipelines, distributed systems, machine learning models, and robust infrastructure. You will collaborate with a global team of full-stack, data, ML, and DevOps engineers, working together to build scalable and reliable backend solutions as we continue to grow.

You'll Be a Good Fit If You:

Have 3+ years of software engineering experience building and shipping production systems

Have experience with a modern frontend framework, preferably React

Know JavaScript and TypeScript, and are comfortable in Python — though we're open to strong candidates from other OO backgrounds

Have strong fundamentals in system design, debugging, and problem solving

Are comfortable with relational databases, ideally PostgreSQL

Have experience with cloud environments, serverless technologies (Lambda, EC2), and asynchronous workflows

Take ownership of your work and drive projects to completion with limited oversight

Communicate proactively, surfacing blockers, asking the right questions, and keeping stakeholders in the loop

Enjoy iterative improvement and care deeply about quality

Are curious about AI, data, and real-world applications of machine learning

Move fast, learn quickly, and value high standards

Appreciate direct feedback, meritocracy, and transparency

What We Offer:

Competitive salary based on experience level*

Significant equity options package

Direct work on core systems at a fast-growing AI startup transforming a $1T global industry

Fully remote work from Europe

Onsite team events in Warsaw and global team offsites

Real responsibility and production impact from day one

20 days of PTO a year

Gym, phone, and learning stipend reimbursement

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