Senior Backend Engineer (Montreal)

Senior Backend Engineer (Montreal)

21 Oct
|
Capgemini Engineering
|
Montreal

21 Oct

Capgemini Engineering

Montreal

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most cutting-edge companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D; and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

Location

This role is fully remote in Canada

About the job you are considering

We're looking for a senior backend engineer to help design, migrate, and operate the power ingestion, processing, storage, and lifecycle management of user- and listing-generated media (images, video, and documents) across our platform. This role sits at the intersection of platform migration, data compliance, and service reliability — you'll own multi-quarter modernization efforts while ensuring the pipeline meets strict privacy and trust requirements.

Your role

- Drive platform migrations end-to-end — design and execute the migration of legacy media-processing services onto a modern replacement platform, including data-model design, dual-write/backfill strategies, phased cutovers, and legacy cleanup.
- Build event-driven processing pipelines — design Kafka/event-schema-based consumers and producers to power asynchronous media-processing workflows (state machines, checkpoints, retries, idempotency guarantees).
- Own trust & privacy compliance in the data path — implement GDPR-compliant hard-deletion workflows across storage and CDN layers, integrate personal-data-detection and content-integrity checks into upload/creation flows,



and build safe-content transformation pipelines for user-uploaded files.
- Integrate third-party media infrastructure — build and maintain integrations with external transcoding/processing vendors, including webhook handling, rate limiting, and failure handling.
- Ensure operational excellence — write on-call runbooks and alerting for critical endpoints, manage service-mesh permissions between internal services, tune consumer/throughput settings, and resolve reliability issues (memory, latency, backpressure).
- Evolve core data models and APIs — design and extend database schemas and GraphQL/API layers supporting media entities, with a focus on idempotency, consistency, and backward compatibility during migrations.
- Partner cross-functionally — work with trust & safety, privacy, and adjacent platform teams to translate compliance and product requirements into pipeline changes

Must have skills

- 5+ years of backend software engineering experience, ideally on high-scale distributed systems.
- Strong experience with event-driven architectures (Kafka or equivalent), service meshes, and microservice-to-microservice integration.
- Experience owning large-scale service migrations — designing safe cutover strategies, backfills, and rollback plans.
- Solid grounding in relational/NoSQL data modeling and schema evolution.
- Experience with caching layers (Redis or similar),



CDC/change-data-capture pipelines, and cache invalidation strategies.
- Comfort with operational ownership: writing alerts, runbooks, and debugging production incidents.
- Experience with media/video processing pipelines, third-party transcoding vendors, or content-safety systems.

The base compensation range for this role in the posted location is: CAD 72,056 to CAD 138,940

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy

📌 Senior Backend Engineer (Montreal)
🏢 Capgemini Engineering
📍 Montreal

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