Senior Backend Developer, Integrations

Responsibilities

• Lead technical integration sessions with customer development teams to provide expert advice and hands-on support.
• Develop detailed technical specifications for integrations, including API mappings, event mappings, and data flows.
• Design, implement, test, and deploy custom integrations, connectors, or extensions to meet specific customer requirements.
• Facilitate troubleshooting sessions with customers' engineering teams to ensure successful connectivity.
• Serve as the primary technical subject matter expert for integration components during pre-sales, implementation, and post-launch.
• Build and maintain a library of technical documentation, demos, and Proof of Concepts (PoCs) to showcase platform capabilities.

Requirements

• 5-7 years of experience in a technical, client-facing role (e.g., Backend Developer, Integration Consultant, or Professional Services Engineer).
• Strong hands-on experience with REST/SOAP APIs, webhooks, and event-driven architecture.
• Proficiency in at least one programming language such as Go, Python, Java, TypeScript, or C#.
• Strong working knowledge of relational, non-relational, and NoSQL databases.
• Proven ability to create clear technical documentation and specifications for other developers.
• Excellent communication skills with the ability to explain complex concepts to both technical and non-technical stakeholders.

Preferred Qualifications

• Deep proficiency in Golang for building scalable, concurrent services and asynchronous messaging systems (e.g., Kafka, Google Pub/Sub).
• Experience using Temporal to architect durable, fault-tolerant workflows.
• Background in financial services, FinTech, or mortgage technology.
• Experience with containerization (Kubernetes, Docker) and Cloud providers (GCP, Azure, or AWS).

Benefits

• Premium benefits plan fully paid by nesto, including comprehensive insurance and unlimited telemedicine/mental health services.
• 4 weeks of vacation.
• Access to high-performing talent and a vertical learning curve.
• Best-in-class tools and a productive working framework.

About the Company

Nesto Cloud is Canada’s leading provider of mortgage technology and financing solutions. As a Deloitte Fast 50 company, we are disrupting the mortgage industry by building the ecosystem of the future through advanced cloud-based SaaS solutions.