Software Engineer, Backend (GoJava, Reactive Systems)

Doodle; Madrid; Presencial; EUR 40.000 - 65.000; Jornada completa

Descripción de la vacante

A tech schedule management firm based in Madrid seeks a Software Engineer to build high-performance backend systems. The role involves designing robust services using Go and Java, working within an event-driven structure with Kafka, and collaborating with cross-functional teams. Ideal candidates will have strong computer science fundamentals and experience with reactive systems.

Servicios

Opportunities for continuous learning

Collaborative culture

Influence on global user base

Formación

• Strong foundation in computer science fundamentals.
• Experience in shipping production-ready backend services.
• Hands-on expertise with Go and/or Java in development.

Responsabilidades

• Design and develop robust backend services using Go and Java.
• Architect solutions within an event-driven paradigm using Kafka.
• Collaborate with product managers and designers for user experience.

Conocimientos

Data structures

Algorithms

Distributed systems

Software design principles

Go

Java

Kafka

Cloud platforms (AWS, GCP, Azure)

Docker

Kubernetes

Reactive programming

Descripción del empleo

Own the Engineering. Make the Scheduling Magic happen.

At Doodle were building the future of scheduling and productivity tackling complex challenges at the intersection of human collaboration and digital efficiency. We believe in crafting elegant solutions to intricate problems and were looking for passionate Software Engineers who share this drive.

Youre more than a coder; youre a builder a problem-solver and a continuous learner who thrives on shipping impactful products. Youll contribute to our core backend systems playing a pivotal role in designing and implementing highly performant scalable and resilient services. If youre excited by the intricacies of distributed systems the power of reactive programming and the precision required when working with Time itself youll find a stimulating environment here.

What You’ll Do

Design and develop robust scalable and high-performance backend services using Go and Java contributing to the evolution of our core platforms.

Architect and implement solutions within an event-driven paradigm leveraging Kafka to ensure seamless data flow and system reactivity.

Tackle fascinating challenges around how Time is managed processed and presented in a globally distributed scheduling product.

Collaborate closely with product managers designers and other engineers to translate complex requirements into technical designs and deliver delightful user experiences.

Champion best practices in code quality testing continuous integration and deployment ensuring the reliability and maintainability of our systems.

Contribute to a culture of continuous learning and technical excellence.

Our Ideal Candidate

• A strong foundation in computer science fundamentals: Data structures algorithms distributed systems and software design principles.
• Experience shipping high-quality production-ready backend services.
• Hands‑on expertise with Go and / or Java in a professional development setting.
• Deep understanding and practical experience with reactive systems and event‑driven architectures particularly with Kafka.
• A passion for solving complex problems and a commitment to delivering elegant efficient and scalable solutions.
• Experience with cloud platforms (e.g. AWS GCP Azure) and containerization technologies (e.g. Docker Kubernetes) is a plus.
• Excellent communication skills and the ability to articulate technical concepts clearly to both technical and non‑technical audiences.
• A collaborative spirit and a desire to work in an agile fast‑paced environment.

Why Doodle

Impact : Your work will directly influence millions of users globally helping them manage their Time more effectively.

Innovation : Were pushing the boundaries of scheduling working on unique challenges related to Time that will stretch your engineering capabilities.

Culture : A supportive collaborative and inclusive environment where curiosity is encouraged and contributions are valued.

Growth : Opportunities for continuous learning professional development and career advancement.

If youre an engineer who thrives on solving tough problems loves building robust and reactive systems and wants to make a tangible impact on how people organize their Time wed love to hear from you.

Ready to shape the future of Time Apply now!

Hiring Journey

• Initial Application Review
• Personality & Strengths Assessment (via BRYQ)
• Home Assignment
• Technical Interview
• Meet the Team / Hiring Manager
• Culture Fit Conversation
• Final Offer & Next Steps

At Doodle were committed to providing an environment of mutual trust and respect where equal employment opportunities (EEO) are available to all applicants and teammates without regard to age race color disability religion gender and sexual orientation. Diversity and inclusion are of utmost importance to us. Were committed to building a team that represents a variety of backgrounds perspectives and skills. The more inclusive we are the better our work and our products will be. We want to hear from you so please dont hesitate to apply!We look forward to receiving your full application.

IMPORTANT NOTICE : Please note that we can only consider your application if you are based and have the right to work in Spain. At this time we are unable to sponsor visa for this position or support with relocation.