K
Kalepa
Senior Full Stack Engineer (Core UX)
Skills
ReactPostgreSQLAI
2 months ago
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Important information
Contract type:
Permanent
Salary:
$85,000 – $155,000 / year
Location:
United Kingdom
Work mode:
Onsite
Published on:
5 September 2026
What they need
- As part of the Core UX team, you will focus on refining existing product functionality to deliver an exceptional user experience
- Your work will center on ensuring consistency across the product, maintaining a cohesive look and feel, and implementing performance improvements that directly impact end users
- You’ll be paying close attention to the layout, interactions, responsiveness, and visual polish, that collectively give the product a premium, well-crafted feel
- You’ll collaborate with a global team of full-stack, data, ML, and DevOps engineers to build scalable backend solutions as we continue to grow. We’re a small team where individual contributions have an outsized impact on both our technology and our business- We are looking for smart engineers who love to code, seek challenging problems and appreciate recognition for excellent work
- This role is ideal for someone who enjoys iterative improvement, cares deeply about quality, and wants to shape the everyday experience of our users
- Bonus: experience with LLMs/generative AI, distributed systems
- You have experience in a modern FE framework, preferably React
- Thrive on experimentation: you’re comfortable testing ideas, measuring results, and iterating quickly on problems no one has solved before
- Are comfortable with relational databases, ideally PostgreSQL
- Embody hustle and grit, you’re excellent at your craft and relentless in pursuing it
- Have experience with serverless technologies (Lambda, EC2), asynchronous workflows, and cloud environments
- Know Javascript, Typescript, or Python, though we’re open to strong candidates from other OO backgrounds
- Take full ownership of your work and drive projects to completion with minimal oversight
- Have 5+ years of software engineering experience, ideally with a track record of improving and polishing functionalities to bring premium user experience
- Communicate proactively, surfacing blockers, asking the right questions, keeping stakeholders in the loop
- Have strong fundamentals in system design, debugging, and problem-solving
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