Senior Full-Stack Software Engineer, Integrations

Job not on LinkedIn

🔥 12 hours ago

🇨🇦 Canada – Remote

💵 $150k - $175k / year

⏰ Full Time

🟠 Senior

💻 Solutions Engineer

👻 Ghost score 0%

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Cardata

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 1999

📦 Logistics

💼 Consulting

🏥 Healthcare

Logistics • Consulting • Healthcare

Cardata is a software company that provides an end-to-end vehicle reimbursement platform for businesses whose employees use personal vehicles for work. Their SaaS products include GPS-based mileage tracking, automated, tax-compliant reimbursement programs (FAVR, TFCA, CPM), insurance verification and direct deposit payments, plus reporting and analytics to optimize costs and compliance. Cardata serves enterprise and SMB clients with B2B solutions integrated with expense systems like SAP Concur.

📋 Description

• Own integrations from design through launch and ongoing production health, partnering with Product, QA, and Portal engineering teams • Clarify requirements with Product and partners, resolve API documentation gaps, agree on scope, and deliver against committed dates • Build backend services, data models, APIs, background jobs, and customer-facing interfaces for integrations • Design data mapping, synchronization, retries, and reconciliation • Build syncs, webhooks, and scheduled jobs that handle rate limits, duplicate events, partial failures, and partner outages • Create shared building blocks and adapter interfaces for authentication, data mapping, synchronization, and error handling • Build monitoring, alerts, and runbooks for early failure detection and reliable recovery • Help customers connect, configure, and independently check integration health • Protect partner credentials and personal information through secure token handling, encryption, least-privilege access, safe logging, and customer-data separation • Use AI coding agents to accelerate development and testing while reviewing their output • Strengthen standards for design reviews, code reviews, testing, documentation, and production support • Make go/no-go decisions with the Lead Mobile Engineer and Product when launches do not meet data correctness, security, or monitoring standards • Ship changes to at least one production integration within the first 30 days • Design, scope, and deliver a first new integration within three months • Become a go-to integration expert for Portal teams within six months

🎯 Requirements

• 7+ years building production software, including at least 3 years building and running third-party integrations • Strong full-stack experience across backend services and product interfaces, including data models, APIs, background jobs, and customer-facing screens • Experience designing, shipping, and operating customer-dependent integrations, including syncs, webhooks, and scheduled jobs • Practical understanding of retries, duplicates, partial failures, rate limits, and partner outages • Experience designing reusable integration architecture, including adapter interfaces and shared capabilities for authentication, mapping, synchronization, and error handling • Track record of delivering large features or products against firm deadlines • Ability to turn goals and incomplete information into clear requirements and work with Product and partners to close gaps • Experience using AI coding agents such as Cursor or Claude Code • Production experience protecting credentials and personal information, including OAuth, token handling, encryption at rest, least-privilege access, safe logging, and separation of customer data • Ability to improve other engineers' work through design and code reviews • Experience with the stated stack: TypeScript, NestJS, Next.js, React, PostgreSQL with Prisma, BullMQ, Redis, Vitest, Playwright, GitHub Actions, Datadog, and Flagsmith feature flags

🏖️ Benefits

• Remote work and flexible working hours • Mentorship and development opportunities (to help you achieve your career goals!) • Extended medical & dental benefits • Healthcare spending account • $3,000 annual Health and Wellness Spending Account to support your overall wellbeing • Employee assistance program (EAP) • Flexible (Unlimited) Time Off: No annual cap on vacation, supported by a trust-based, flexible approach to time away.

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