Senior Software Developer

VSN is seeking a Senior Software Developer to join our growing team in Spain!

Software Engineer - VSN Arena and WAI Platform

We are seeking a Senior-level Software Engineer to contribute to two cutting-edge media technology projects: VSN Arena and WAI (Video Analysis Intelligence). This role offers the opportunity to work on cloud-native microservices architectures, AI-driven video analysis, and enterprise media asset management solutions in the media and broadcast industry.

The successful candidates will be based in Spain, working in a remote work model with a requirement to travel to our office in Barcelona on a regular basis!

• Design, develop, and maintain scalable microservices-based applications using .NET and modern web technologies
• Build and optimize RESTful APIs for media asset management, workflow orchestration, and AI-driven content analysis
• Implement multi-tenant architectures with database partitioning and realm-based authentication
• Develop responsive frontend interfaces using Type Script, React, HTML5, CSS3, and Progressive Web App capabilities
• Integrate AI-driven capabilities, including speech-to-text, semantic segmentation, object detection, and face recognition
• Develop workflows for automated video processing, transcoding, and proxy generation supporting professional formats (MXF, OPATOM, PRORES, XDCAM)
• Deploy and manage services on AWS infrastructure (App Runner, S3, Media Convert, Lambda)
• Build connectors for third-party platform integrations (You Tube, FTP, Amazon S3, social media)
• Implement asynchronous task processing and event-driven architectures
• Configure and optimize Postgre
  
  SQL and SQL Server databases for multi-tenant environments
• Write and maintain comprehensive unit and integration tests
• Implement proper error handling, logging, and monitoring
• Participate in code reviews and contribute to technical documentation
• Ensure security best practices, including JWT authentication, OAuth2, and secure credential management
• Work in an agile environment, contributing to sprint planning, estimations, and retrospectives
• Collaborate with cross-functional teams to deliver high-impact solutions
• Manage CI/CD pipelines using Git Lab for automated build, test, and deployment

• Minimum 5 years of professional experience in software development

• A bachelor's degree in Computer Science, Software Engineering, or a related technical field is essential
• Strong proficiency in C# and .NET (Core, Framework)
• Expert-level experience with RESTful API development and
  ASP.NET Core, an open-source web development framework | .NET Core/MVC
• Solid frontend development skills using Type Script, React, JavaScript (ES6+), HTML5, and CSS3
• Strong SQL skills with Postgre
  
  SQL and SQL Server
• Experience with ORM frameworks (Entity Framework)
• Hands-on experience with AWS services (S3, Lambda, RDS)
• Experience with Docker and containerization
• Proficiency with Git Lab for source control and CI/CD workflows
• Understanding of microservices architecture and inter-service communication
• Familiarity with SOLID principles, design patterns, and clean architecture
• Understanding of authentication mechanisms (OAuth2, JWT)
• Experience writing automated tests (unit, integration)
• Strong understanding of Agile/Scrum methodologies
• Excellent problem-solving and analytical abilities
• Strong communication and collaboration skills in English (written and verbal)
• Proven ability to work in agile teams and deliver in fast-paced environments
• Self-motivated with strong organizational skills and attention to detail
• Hands-on attitude with a proven entrepreneurial spirit and pace-setter traits
• Fluent in Spanish and at least a professional level of English is required, both written and verbal
• Legally authorised to work in Spain

• Proficiency in Python for AI/ML service integration
• Knowledge of GPU computing and parallel processing for media workloads
• Experience with video transcoding and streaming technologies
• Familiarity with Apache Solr or Elasticsearch
• Experience with message brokers (Active
  
  MQ, Rabbit
  
  MQ, Kafka)
• Understanding of broadcast media workflows and Media Asset Management (MAM) systems
• Experience integrating AI/ML models and APIs (AWS Rekognition, Azure Cognitive Services)
• Knowledge of event-driven architecture and CQRS patterns
• AWS certifications (Solutions Architect, Developer)
• Experience with Windows Server and IIS configuration
• Familiarity with monitoring solutions (Grafana, Prometheus, Cloud Watch)
• Background in video streaming protocols (HLS, DASH, RTMP)
• Experience with CDN and edge computing
• Knowledge of Keycloak or similar identity management platforms
• Contributions to open-source projects or technical communities

• Work on innovative cloud-native media platforms used by international clients
• Exposure to cutting-edge AI and video processing technologies
• Collaborative Agile environment with continuous learning opportunities
• Modern technology stack (AWS, .NET, React, Postgre
  
  SQL)
• High-impact projects for clients in the media,…