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Senior Back-End Developer
Senior Back-End DeveloperAstucemedia • Montréal, Québec, Canada
Senior Back-End Developer

Senior Back-End Developer

Astucemedia • Montréal, Québec, Canada
28 days ago
Job type
  • Full-time
Job description

Job Description

  • 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.

Qualifications

  • 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
  • Additional Information

  • 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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    Senior BackEnd Developer • Montréal, Québec, Canada

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