Senior Backend Developer

BioCatch; Barcelona; Híbrido; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

BioCatch, the market leader in behavioral biometrics, seeks a Senior Backend Developer in Barcelona to join a high-scale team. You will design and implement core services and APIs for real-time traffic with strict SLA.

Work on data collection, aggregation, and research for advanced fraud detection in a hybrid Barcelona setting. The role emphasizes scalable Python backend, cloud-native microservices, and cross-team collaboration.

Formación

• 5+ years of experience developing software for large-scale systems.
• At least 3 years of experience with Python backend development and scalable APIs/services.
• Experience in cloud architecture and microservices.
• CI/CD in a dockerized environment – Advantage.
• Leading technical projects – Advantage.

Responsabilidades

• Build core services and APIs to handle high-volume real-time traffic with strict SLA.
• Handle collection, aggregation, and research of big data for fraud detection.
• Collaborate with cross-functional teams to combat cybercrime and fraud.

Conocimientos

Python

Cloud architecture

Microservices

CI/CD

Leading projects

Herramientas

Docker

Descripción del empleo

Are you an experienced backend developer passionate about using your skills to combat cybercrime and fraud? BioCatch, the market leader in behavioral biometrics, is looking for a back-end developer to join our dynamic team.

As a Senior backend developer at BioCatch, you will work with a team of intensely curious individuals dedicated to innovation and growth. You will be responsible for building core services and APIs that can handle high volumes of real-time traffic and meet strict SLA response times. You will also handle complex scenarios involving the collection, aggregation, and research of big data. Join us at BioCatch and make a real difference in the fight against cybercrime and fraud.

Location: Barcelona, Spain (Hybrid work arrangements)

Requirements

• At least 5 years of experience in developing software for large-scale systems.
• At least 3 years of experience with Python or equivalent backend development experience, with a strong focus on building scalable and maintainable APIs and services.
• Experience in cloud architecture and microservices.
• Experience working on a CI/CD dockerized environment – Advantage.
• Leading technical projects – Advantage.

Soft skills

• Responsible, well-organized, self-learning, and a team player.
• Capable of leading large tasks.
• Self & fast learning capabilities.
• Independence and persistence.
• Willing to handle a variety of unfamiliar tasks.
• Hebrew Proficiency – an advantage.