Senior Back-End Developer

Astucemedia; Montreal; Hybrid; CAD 80,000 - 110,000; Full time

Job summary

A leading technology company in Montreal is seeking a skilled API Developer with deep expertise in C# and API integration. The role involves developing ingest services, optimizing storage solutions, and integrating real-time data updates. Ideal candidates should have over 6 years of experience in API design and a strong understanding of data storage systems. The position offers a hybrid work environment with global travel opportunities and comprehensive health benefits.

Benefits

Health and Wellness annual benefits

Health Benefits Insurance Package

RRSP Matching program

Qualifications

• 6+ years of experience in API design and integration involving REST, GraphQL, and WebSockets.
• Proficiency in C#/.NET Core and familiarity with ServiceStack or similar frameworks.
• Solid understanding of storage systems like SQL Server and MongoDB.

Responsibilities

• Develop and maintain ingest services connecting to third-party APIs.
• Design and optimize storage solutions across various databases.
• Integrate with real-time event buses to deliver data updates rapidly.

Skills

C#/.NET Core

API design and integration

Data modeling

Messaging protocols

Schema validation and transformation

CI/CD pipelines

Problem-solving

Tools

Docker

SQL Server

MongoDB

Kafka

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.

Job Description

• Develop and maintain ingest servicesthat connect to third-party APIs (REST,GraphQL, WebSockets, Webhooks), ensuringidempotent ingestion, retryhandling, and rate-limit compliance.
• Implement transformation logicto normalize heterogeneous data intounifiedJSON/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 deliverdata updates with sub-second latency.
• Build and enhance APIs(ServiceStack framework) to expose data viaREST,Webhooks, and SSEwith robust authentication (OAuth2/JWT).
• Ensure performance and scalabilitythrough profiling, caching strategies, andhorizontal scaling techniques.
• Collaborate with frontend/graphics teams(Unity, Vizrt, Unreal) to align APIcontracts and optimize for real-time rendering needs.
• Write unit/integration tests to ensure data integrity and prevent regressions iningestion and API layers.
• Participate in code reviews, architecture discussions, and sprint planningaspart of an Agile development teams.

Qualifications

• Proficiency inC#/.NET Core(ServiceStack or similar frameworks).
• 6+ years of experienceinAPI design and integration(REST, GraphQL, OAuth2, WebSockets).
• Solid understanding ofdata modelingand storage systems (SQL Server, MongoDB,Kafka).
• Familiarity withmessaging protocols(AMQP, MQTT, WebSocket).
• Experience withschema validation and transformation(JSON Schema, Protobuf).
• Knowledge ofCI/CD pipelines, Git, and containerization (Docker).
• Strong debugging, problem-solving, and performance optimization skills

Nice to skills

• Experience withbroadcast/media data workflows(sports scores, elections,financial tickers).
• Knowledge ofcloud platforms(AWS, Azure, GCP) for scalable deployments.
• Familiarity withtime-series data handlingand caching strategies (Redis).
• Exposure toreal-time graphics engines(Vizrt, Unreal, Unity) integrations.
• Contributions toopen-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 withDialogue)
• RRSP Matching program

Job Location