Senior Back-End Developer

Astucemedia

Montréal, QC, Canada permanent

Posted: February 13, 2026

Required Skills

Job Description

Astucemedia is a global leader in innovative creative and software solutions for real-time data visualization on live TV, studios, museums, immersive experiences, and sports venues. Our software and services enhance augmented reality graphics, virtual sets, video walls, interactive apps, and on-screen overlays across television and digital platforms.

We’re a team of passionate trailblazers who thrive on creativity, collaboration, and cutting-edge technology—and we’re looking for someone who’s just as excited to shape the future with us.

• Develop and maintain ingest servicesthat connect to third-party APIs (REST, GraphQL, WebSockets, Webhooks), ensuring idempotent ingestion, retry handling, and rate-limit compliance.
• Implement transformation logicto normalize heterogeneous data into unified JSON/Protobuf schemas.
• Design and optimize storage solutionsacross SQL Server, MongoDB, and Kafka, applying best practices for indexing, partitioning, and time-series handling.
• Integrate with real-time event buses(RabbitMQ, MQTT, WebSockets) to deliver data updates with sub-second latency.
• Build and enhance APIs(ServiceStack framework) to expose data via REST, Webhooks, and SSEwith robust authentication (OAuth2/JWT).
• Ensure performance and scalabilitythrough profiling, caching strategies, and horizontal scaling techniques.
• Collaborate with frontend/graphics teams(Unity, Vizrt, Unreal) to align API contracts and optimize for real-time rendering needs.
• Write unit/integration tests to ensure data integrity and prevent regressions in ingestion and API layers.
• Participate in code reviews, architecture discussions, and sprint planningas part of an Agile development teams.

• Proficiency in C#/.NET Core(ServiceStack or similar frameworks).
• 8+ years of experience in API design and integration (REST, GraphQL, OAuth2, WebSockets).
• Solid understanding of data modelingand storage systems (SQL Server, MongoDB, Kafka).
• Familiarity with messaging protocols(AMQP, MQTT, WebSocket).
• Experience with schema validation and transformation(JSON Schema, Protobuf).
• Knowledge of CI/CD pipelines, Git, and containerization (Docker).
• Strong debugging, problem-solving, and performance optimization skills

Nice to skills

• Experience with broadcast/media data workflows(sports scores, elections, financial tickers).
• Knowledge of cloud platforms(AWS, Azure, GCP) for scalable deployments.
• Familiarity with time-series data handlingand caching strategies (Redis).
• Exposure to real-time graphics engines(Vizrt, Unreal, Unity) integrations.
• Contributions to open-source projectsor SDK developmemt

• Hybrid work environment
• Global travel opportunities 
• Health and Wellness annual Benefits
• Health Benefits Insurance Package (including online medical assistance with Dialogue)
• RRSP Matching program

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