Senior Back End Engineer

Waltz; Sevilla; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A tech-driven real estate investment firm is seeking a Senior Backend Engineer to design and optimize backend services. This remote role involves developing scalable APIs and collaborating with cross-functional teams. The ideal candidate has 8+ years of experience and strong skills in Node.js and TypeScript. Join a fast-growing team committed to innovation in cross-border property investment.

Servicios

Flexibility with remote work

High impact projects

Culture of ownership in technical decisions

Formación

• 8+ years of backend development experience in B2C systems.
• Expertise in Node.js and TypeScript.
• Solid knowledge of databases like PostgreSQL.

Responsabilidades

• Architect, develop, and maintain backend services.
• Build scalable APIs and microservices.
• Drive engineering best practices including testing and CI/CD.

Conocimientos

Node.js

TypeScript

PostgreSQL

Cloud services (AWS)

CI / CD

A/B testing

Descripción del empleo

About Us

At Waltz, we’re reshaping how people abroad invest in US real estate. Our digital platform removes friction from financing and purchasing, making a process that usually takes months as simple as a few clicks. Backed by leading VCs and strategic angels from fintech, banking, and real estate, we’re scaling fast and need strong engineers to help us build the future of cross-border property investment.

The Role

We’re looking for a Senior Backend Engineer who thrives on solving complex scaling challenges in consumer‑facing products. You’ll own critical parts of our backend: designing, building, and optimizing APIs, services, and data systems that power thousands of real estate transactions. Working closely with product, design, and frontend, you’ll influence architecture and shape how our platform evolves.

This is a remote position with a team spread globally.

Responsibilities

• Architect, develop, and maintain backend services using Node.js, TypeScript, PostgreSQL, and AWS.
• Build scalable APIs and microservices that power our consumer‑facing platform.
• Ensure reliability in production through monitoring, troubleshooting, and continuous improvements.
• Drive engineering best practices (testing, CI / CD, code reviews, performance optimization).
• Collaborate cross‑functionally with product managers and designers to deliver features that users love.

Requirements

• 8+ years of backend development experience, with a track record in B2C / consumer‑scale systems.
• Expertise in Node.js, TypeScript, cloud services (AWS preferred).
• Solid knowledge of databases (PostgreSQL, Elasticsearch a plus).
• Experience in CI / CD pipelines, deployment strategies, A / B testing.
• Comfortable working in a distributed team, owning projects end‑to‑end.

Advantages

• Background in fintech, proptech, or SaaS.
• Passion for creating seamless consumer experiences.

Why Join Us?

• High impact : Build core systems at the heart of our business.
• Fast growth environment : Scale a category‑creating product with top‑tier backing.
• Ownership : Have a voice in technical decisions and product direction.
• Flexibility : Fully remote, with a collaborative global team.

Contact information for CV’s : [e-mail]