LE
Lebesgue

Frontend Developer

Location: Hybrid · Category: Engineering & Development · Seniority: Mid-Level · Posted: September 6, 2026 · Verified: Nov 12, 2026

Role Overview & Description

Elevate user experience and UI quality for the analytics-driven SaaS product. The role involves building and refining user interfaces, integrating APIs, and contributing to the design system. Requires strong proficiency in JavaScript/TypeScript, React, and modern frontend frameworks.
Hiring Telemetry · Expansion Signal

Track team expansion and market signals for Lebesgue

Polaris7 monitors open roles, strategic market movements, and M&A developments in real time. Get automated intelligence briefings on Lebesgue and benchmark against direct competitors.

Source & Transparency: This position was structured directly from the publicly accessible career portal of Lebesgue. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.
Company IntelligenceVerified Profile
LE

Lebesgue

lebesgue.io

AI marketing analytics for e-commerce growth teams.

Similar Positions in DACH

Related roles across advertising, media, and data

Re-check scheduledRemoteRemoteEngineering & DevelopmentSenior

This role focuses on building and maintaining the frontend of workforce intelligence products. The position involves working on user interfaces, data visualization, and interactive dashboards to present complex workforce data.

Re-check scheduledSan FranciscoEngineering & DevelopmentMid-Level

This role designs, develops, and optimizes intuitive frontend interfaces for Outset's AI research platform using React and Next.js. The Frontend Software Engineer builds robust components that integrate with backend services and APIs, enhancing user experiences through real-time data visualization. They lead frontend projects from conception to production, collaborating with the CTO and CEO and interfacing directly with users to improve UI/UX.

Re-check scheduledMarousi, GreeceEngineering & DevelopmentSenior

This Senior Front-End Software Engineer role focuses on developing and maintaining user-facing web applications. The engineer will work with modern JavaScript frameworks and ensure responsive, high-performance UI. Key responsibilities include collaborating with designers and back-end teams to deliver seamless user experiences.

Re-check scheduledRemote / UnspecifiedRemoteEngineering & DevelopmentMid-Level

The role involves developing and maintaining frontend applications for a data platform, focusing on user interfaces for data visualization and campaign management. Core challenges include building responsive, performant web interfaces and integrating with backend APIs in an ad tech environment.

More Positions at Lebesgue

3 more open roles

Verified 1d agoHybridEngineering & DevelopmentMid-Level

This Full Stack Developer role focuses on developing and maintaining the core Lebesgue product, collaborating with the Data Science team to build analytics-driven features. The developer will work on both frontend and backend, contributing to a scalable and user-friendly application using Python, FastAPI, React, Next.js, and AWS.

Verified 1d agoRemoteRemoteData, AI & AnalyticsMid-Level

Develop and improve mathematical and machine learning models for e-commerce problems. The role involves implementing models in R and Python and educating customers on online advertising. Requires a degree in a quantitative field and experience with statistical modeling.

Verified 1d agoHybridEngineering & DevelopmentMid-Level

Strengthen the engineering team by scaling the analytics engine and core product. The role focuses on backend development, optimizing database performance, and ensuring system reliability. Requires proficiency in Python, FastAPI, SQL, Docker, and AWS.