Remote Backend Engineer — Node.js/TypeScript API Expert

Lever, Inc.; France; À distance; EUR 60 000 - 90 000; Plein temps

Avantages offerts par ce poste

Competitive salary €60,000–€90,000

Equity participation: VSOP

Profit sharing

Fully remote: Europe

Flexible, asynchronous work

Full-time: 40 hours/week

Great work-life balance

Meaningful impact

Technical ownership

Learning and experimentation

Collaborative environment

Flexible start

Résumé du poste

Lever, Inc. is seeking an experienced Backend Engineer based in France to drive the design and development of the central API and backend services.

You will focus on Node.js and TypeScript, delivering scalable data-powered solutions while maintaining high developer experience for client teams. You will own backend systems, scale existing products, and rapidly validate new MVPs in a fully remote, asynchronous environment with cross-functional collaboration across frontend, design, and product

Qualifications

• Several years of professional experience developing large-scale, scalable APIs and backend systems.
• Strong passion for API design and well-structured data models.
• Deep expertise in Node.js and TypeScript.
• Experience with PostgreSQL, MongoDB, ClickHouse, Redis, or Kafka.
• High standards for stability, performance, and code quality.
• Experience taking end-to-end ownership of projects in a remote, async environment.
• Nice to have: financial data experience, and with LLMs/AI agents.

Responsabilités

• Design, develop, and maintain the central API and backend services, primarily using Node.js and TypeScript.
• Build fast, efficient services that reliably deliver data and calculations while providing an excellent developer experience for client developers.
• Design intuitive APIs and elegant data models that abstract complexity for internal developers and end users.
• Scale backend systems and infrastructure supporting existing products while maintaining reliability, performance, and maintainability.
• Help develop and validate new products, services, and ideas through rapid MVPs and technical experimentation.
• Treat the internal API as a product, taking ownership of its stability, usability, performance, and continued evolution.
• Debug and resolve production issues across the technology stack, staying close to the product and ensuring a robust technical foundation.
• Continuously improve engineering standards, tooling, development processes, and technical practices.
• Build scalable solutions that consistently meet or exceed customer expectations.
• Work closely with frontend, design, and product teams to deliver projects ranging from focused improvements to large-scale initiatives.
• Take end-to-end ownership of projects, coordinating across technologies, services, and stakeholders to ensure successful delivery.

Connaissances

Node.js

TypeScript

API design

German

English

Outils

PostgreSQL

MongoDB

ClickHouse

Redis

Kafka

Description du poste

Lever, Inc. is seeking an experienced Backend Engineer based in France to drive the design and development of the central API and backend services.

You will focus on Node.js and TypeScript, delivering scalable data-powered solutions while maintaining high developer experience for client teams. You will own backend systems, scale existing products, and rapidly validate new MVPs in a fully remote, asynchronous environment with cross-functional collaboration across frontend, design, and product