Description
Senior Backend Developer
Team: Research & Development
Location: Ljubljana, Slovenia
Commitment: Full time - permanent
Workplace Type: hybrid
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# or Phyton are a plus.
- 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
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.
#ALEPH
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