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Senior Platform Developer

Nesto - Canada - Hybrid - posted 2026-09-29

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Nesto Cloud is Canada's cloud-native, AI-driven mortgage technology platform serving financial institutions. The company operates through brands including CMLS, nesto, and Nesto Cloud, administering over CAD $80 billion in mortgages and recognized as a Deloitte Fast 50 company for three consecutive years. You will join the Platform team as a Senior Platform Developer, applying software engineering principles to build the tools, infrastructure, and developer experience that empower teams across nesto to move fast and with confidence. Key responsibilities include: **Internal Developer Platform:** Shape and build the Internal Developer Platform (IDP), continuously improving developer productivity, scalability, and sustainable growth. Work closely with internal consumers to understand their tools and processes, define and deliver efficient solutions adapted to their needs. Build and evolve the IDP in the form of Golang CLIs and microservices, and observability tooling. Contribute to improving developer experience at nesto by identifying gaps and expanding platform capabilities to meet the needs of a growing engineering organization. **Infrastructure & Automation:** Create sustainable infrastructure and automation practices that eliminate bottlenecks, reduce toil, and position the platform for long-term scale. **Technical Stack:** The platform operates on Google Cloud with a modern tech stack: TypeScript and React for front-end, Go for back-end microservices, Docker containers orchestrated by Kubernetes, monitored via Datadog. CI/CD pipelines use GitHub Actions, ArgoCD, and the company's open-source config management tool Joy. Infrastructure as Code is managed via Pulumi, ArgoCD, and Crossplane. The team implements emerging DevOps practices including GitOps and Internal Developer Platforms. You will work alongside high-performing talent, with a steep learning curve and exposure to more production systems than typical roles. The company offers premium benefits fully paid by nesto (comprehensive insurance, unlimited telemedicine and mental health services), 4 weeks vacation, best-in-class tools, and a hybrid working model. **Requirements:** The posting indicates openness to different levels of seniority within the Senior band, with a transparent career ladder. Specific technical requirements are not explicitly detailed in the provided excerpt, though the role clearly requires strong expertise in platform engineering, infrastructure automation, Golang, Kubernetes, cloud infrastructure, and DevOps practices.

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