Senior Java Software Engineer

Digital Waffle; Madrid; Presencial; EUR 60.000 - 80.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

High ownership and autonomy

Direct collaboration with founders

Opportunity to build AI-powered systems

Descripción de la vacante

A fast-growing robotics and AI startup is seeking a Senior Java Software Engineer. This role involves designing and maintaining distributed systems, building robust backend services using Java (Spring), and developing web frontends with Angular. You will collaborate closely with the founding team and directly influence product development. Ideal candidates should have over 8 years of experience in software engineering, strong expertise in Java and Spring, and a commitment to engineering best practices. This opportunity offers high ownership and autonomy.

Formación

• 8+ years of software engineering experience, including 5+ years in a senior or lead role.
• Strong expertise in Java and Spring is essential.
• Proven experience designing distributed systems and scalable architectures.

Responsabilidades

• Architect, design, and maintain scalable distributed systems.
• Build and deploy backend services using Java (Spring).
• Develop RESTful APIs and web frontends with Angular.

Conocimientos

Java

Spring

AWS

Angular

Docker

Linux

Bash scripting

SQL

NoSQL

Descripción del empleo

Senior Java Software Engineer (Java, Spring, AWS) – Robotics & AI

A fast-growing robotics and AI startup is transforming how industrial robots operate within dynamic warehouse environments. The company specialises in high-throughput palletising and advanced logistics automation, building distributed, cloud-native systems where reliability, scalability and performance are mission-critical. With a small, high-calibre team and zero bureaucracy, this is an opportunity to make a direct impact on both product and technical direction.

The Role

This is a true end-to-end ownership position. You will design distributed systems, build robust backend services (80%) and modern frontends (20%), manage cloud infrastructure, and drive engineering quality across the platform. Working closely with the founding team, you’ll help translate business strategy into scalable, production-grade technology.

You’ll also see your code running on physical robots in real-world warehouse environments. Expect roughly 50% on-site collaboration to work closely with both software and hardware systems.

Key Responsibilities

• Architect, design and maintain scalable distributed systems
• Build and deploy backend services using Java (Spring)
• Develop RESTful APIs and web frontends with Angular
• Own infrastructure:
• Automation via Bash scripting
• AWS deployment and CI/CD best practices
• Manage SQL and NoSQL databases, ensuring reliability and performance
• Lead code reviews and champion engineering best practice
• Collaborate with leadership and clients to translate business needs into technical solutions
• Support hiring and mentoring as the engineering team scales

Requirements

• 8+ years’ experience in software engineering, including 5+ years in a senior or lead role
• Strong expertise in Java and Spring (essential)
• Proven experience designing distributed systems and scalable architecturesStrong AWS experience (deployment, scaling, monitoring)
• Hands-on frontend experience with Angular
• Experience with Docker, Linux environments, Bash scripting and networking fundamentals
• Solid database experience (SQL & NoSQL)
• Strong commitment to testing and high-quality code
• Python and/or C++ experience is advantageous

What’s on Offer

• High ownership and autonomy
• Direct collaboration with founders
• Opportunity to build AI-powered systems deployed in real-world robotics environments