20 publicaciones de empleo destacadas de javascript developer en madrid, md (¡Están contratando!)

Senior Backend Developer
Aleph Holding —Madrid, Madrid provincia
- Jornada completa
- Java
- SQL
- AWS
Expert Manager, Software Engineering (Full Stack)
Bain & Company Inc —Lisboa
- Jornada completa
Senior Technical Consultant
Salesforce —Madrid, Madrid provincia
- Jornada completa
- CRM software
- Español
- Azure
4d
Java Developer – TDM (Treasury Systems)
Babel —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- Español
- Azure
- Oracle
- Seguro médico privado
- Seguro de vida
4d
Web Developer (.NET)
Varadero Software Factory —Madrid, Madrid provincia
- Informática
- Oficina
- Bases de datos
AI Builder, Emerging Talent - Polish Market
Salesforce —Madrid, Madrid provincia
- Jornada completa
- Informática
- Ventas
- Inglés
Senior QA Automation Engineer
NN Group —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- DevOps
- Inglés
- Parking gratuito
- Seguro de vida
Application Security Consultants - Application Security DevSecOps
Accenture —Madrid, Madrid provincia
- Jornada completa
- Azure
- Informática
- DevOps
Desarrollador de Integraciones Oracle
EAG —Madrid, Madrid provincia
- Trabajo híbrido
- Español
- Oracle
- Informática
- Formación continua
- Flexibilidad horaria
Solicitud rápida
9d
Cloud and Devops Developer (m/f)
Airbus Defence and Space SAU —Getafe, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Azure
- Informática
- Servicio al cliente
Front End Lead Engineer – Prime (Hybrid)
eDreams ODIGEO —Madrid, Madrid provincia
- Oficina
- JavaScript
- Desarrollo de software
Senior Software AI Engineer - ADLC (All Genders)
zooplus SE —Madrid, Madrid provincia
- De 62.400 € a 93.600 € al año
- Jornada completa
- Trabajo híbrido
- Oficina
- Java
- Máster
Solicitud rápida
Web Manager, Growth
Deliverect —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Marketing
- Inglés
- JavaScript
Solicitud rápida
Senior Development Engineer (iOS) (m/f/x)
osapiens —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- JavaScript
- APIs
Solicitud rápida
Senior Full-Stack Developer / AI Specialist (Full-Time / On-Call)
Growmodo GmbH —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- DevOps
- Inglés
- Máster
- Teletrabajo opcional
Solicitud rápida
Technology Lead - Salesforce Marketing Cloud
VML MAP —Madrid, Madrid provincia
- Ventas
- Inglés
- Oficina
Solicitud rápida
14d
Telecommunication: Software Engineer + Professional Service Engineer
Humanus Consulting —Madrid, Madrid provincia
- Inglés
- SQL
- JavaScript
System Lead CIAM (Identity & Access Management)
knowmad mood —Madrid, Madrid provincia
- De lunes a viernes
- Teletrabajo
- Inglés
- Bases de datos
- Gestión de equipo
2d
Consultor/a Senior ServiceNow CSM
eXperience IT Solutions —Madrid, Madrid provincia
- Jornada completa
- Trabajo híbrido
- Informática
- Oficina
- Máster
- Formación continua
- Oportunidades de crecimiento y desarrollo profesional
Solicitud rápida
Desarrollador/a Outsystems
Babel —Madrid, Madrid provincia
- Jornada completa
- Teletrabajo
- DevOps
- Bases de datos
- SQL
- Seguro médico privado
- Seguro de vida
2d

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Senior Backend Developer

Aleph Holding -
Madrid, Madrid provincia

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Detalles del empleo

Contrato indefinido | Jornada completa

Cualificaciones

Microsoft SQL Server
NoSQL
Java
Arquitectura de microservicios
SQL
PHP
AWS
Docker
JavaScript
Desarrollo de software
Apache

Descripción completa del empleo

Are you ready to join our digital revolution journey?

At Aleph, we’re not just part of the digital advertising landscape—we’re shaping its future. Representing the world’s leading platforms, including TikTok, Amazon, Google, and nearly 55 others, we operate in 130+ markets across new and existing geographies.

Our mission is to empower advertisers and brands to unlock the full potential of these platforms' advertising capabilities. By fostering long-lasting partnerships, we create limitless opportunities for people and businesses to advertise effectively at both local and global levels.

With a presence spanning continents, Aleph offers you the chance to be part of a fast-growing, innovative team where your work makes a direct impact. If you’re ambitious, forward-thinking, and eager to thrive in a dynamic, global environment, Aleph is the perfect place to build your career.

We are seeking an experienced Senior Backend Developer who specializes in designing, building, and operating high-throughput, event-driven systems. In this role, you will be a key contributor to our core platform, making critical architectural decisions and mentoring other engineers. You'll be responsible for ensuring our asynchronous services communicate reliably, data flows seamlessly, and our entire ecosystem can scale to meet demand. If you are passionate about message queues, stream processing, and the patterns that make distributed systems work, this is the role for you.

Responsibilities:

Architect & Design: Design, develop, and maintain scalable and resilient event-driven microservices and data pipelines.
Build & Implement: Write clean, high-performance code in PHP. Knowledge of other languages is advantageous.
Manage Infrastructure: Own and operate the messaging infrastructure (e.g., Apache Kafka, RabbitMQ, AWS SQS/SNS) that powers our platform.
Ensure Reliability: Implement robust error handling, retries, and dead-letter queue (DLQ) strategies to guarantee data integrity and eventual consistency.
Observability: Instrument services with metrics, logs, and traces to ensure visibility and rapid troubleshooting in a complex distributed environment.
Mentorship & Leadership: Mentor mid-level and junior developers, conduct code reviews, and champion best practices for event-driven architecture (EDA).
Collaboration: Work closely with product managers, data scientists, and frontend engineers to build cohesive and powerful features.

Required Skills:

5+ years of professional experience in backend software development.
Deep, hands-on experience with designing and building event-driven systems and microservice architectures.
Proven expertise with at least one major messaging or streaming platform, such as Apache Kafka, RabbitMQ, AWS SQS/SNS, or Google Pub/Sub.
Strong proficiency in a modern backend programming language like PHP and Go. Other languages like JavaScript, Java, C
Experience with both SQL and NoSQL databases and a clear understanding of their trade-offs in a distributed environment.
Practical experience with containerization and orchestration technologies (Docker, Kubernetes).
Strategic thinking, leadership and mentoring, exceptional communication and presentation skills, ability to influence and persuade

In line with the EU Pay Transparency Directive, we are committed to fair and open compensation practices. For this role, the minimum gross annual base salary is EUR 40,000.

In addition to base salary, this role includes a variable component, paid annually. The final offer will reflect your experience, skills, and the scope of the role.

Why Join Us?

Aleph is a place of many cultures, perspectives, and talents. We support each other, creating an environment of giving and receiving. We value partnership and communication because we believe it takes a group of people to achieve great things. We are energized by our ever-changing industry, our curiosity keeps us learning and seeking out new opportunities.

We stay flexible and adaptable, and believe in moving with the speed of change. We encourage everyone to strive for more, providing our internal talent with growth opportunities and the ability to learn together.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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