LE
Lengow· HQ in 6 rue René Viviani, 44200 Nantes, France

Senior Software Engineer

Location: Nantes, Pays de la Loire, France · Category: Engineering & Development · Seniority: Senior · Posted: October 28, 2026 · Verified: Nov 13, 2026

Role Overview & Description

This role involves developing and maintaining backend services and APIs using Python, ensuring high performance and scalability. The developer will collaborate with cross-functional teams to design and implement new features, and participate in code reviews and architectural decisions.
Hiring Telemetry · Expansion Signal

Track team expansion and market signals for Lengow

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

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

Commerce operations software for feeds, marketplaces and pricing intelligence.

Headquarters: 6 rue René Viviani, 44200 Nantes, France

Similar Positions in DACH

Related roles across advertising, media, and data

Verified 14d agoRemote (Austria, France, Spain, Italy, Czech, Thailand)RemoteEngineering & DevelopmentSenior

This role focuses on delivering high-impact features in a Python-based backend environment, emphasizing software design and engineering best practices. The engineer will drive improvements to both code and infrastructure, reporting directly to the CTO, and requires deep expertise in backend development and a proactive approach to system optimization.

Re-check scheduledMulti-Location (2 Locations)Engineering & DevelopmentSenior

This Senior Software Engineer is a backend-leaning position focused on scaling new products like the incrementality offering into a reliable experimentation platform and building near real-time data infrastructure. The engineer spends roughly 70% of time on backend and distributed systems work and 20-30% on frontend, owning features across the stack. The role requires 5+ years of experience building distributed backend systems in Python, strong architecture skills, and working frontend experience with React and TypeScript.

Re-check scheduledEttlingen, GermanyEngineering & DevelopmentMid-Level

Join the development crew to continue dynamic growth, working with PHP and Python. Role focuses on software development in a collaborative environment. Based in Ettlingen near Karlsruhe.

Verified 1d agoBerlin, KarlsruheEngineering & DevelopmentSenior

Develop high-performance backend systems for e-commerce platforms using Python. Focus on solving complex problems and building scalable solutions....

More Positions at Lengow

3 more open roles

Verified todayNantes, Pays de la Loire, FranceSales & Business DevelopmentSenior

This role leads revenue operations, focusing on optimizing sales processes, data management, and performance analytics to drive revenue growth. The manager will collaborate with sales, marketing, and finance teams to improve forecasting, reporting, and operational efficiency.

Verified todayBarcelona, Catalonia, SpainData, AI & AnalyticsSenior

This role focuses on designing and implementing data models and visualization solutions to support business intelligence and analytics. The engineer will work with large datasets, build dashboards, and ensure data accuracy and accessibility for stakeholders.

Verified todayNantes, Pays de la Loire, FranceEngineering & DevelopmentIntern

This apprenticeship role supports the administration and maintenance of IT systems and networks, including servers, network devices, and security. The intern will assist in troubleshooting, monitoring, and implementing system improvements under supervision.