Closed listing
Backend Developer (Kotlin)
- Open Hall, NL, Canada
Full-time
This opening has closed.
The original listing is kept below for reference.
Job details
- Job type
- Full-time
- Closing date
- Experience
- 5+ years of experience in backend development
- Posting language
- English
- Posted
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Search current openingsOriginal job description
Archived listing. The details below describe a past opening.
Quartz is reimagining wealth management through personalised intelligence. It's the first wealth platform that truly learns from you, understands your goals, and helps you make confident, informed decisions all in one secure platform. Get the experience of a personal banker that works with you 24/7, at a fraction of the cost.
About The Role
We're looking for a Backend Engineer to help build the core of how Quartz works - the systems that aggregate user data, power Charlie (our AI advisor), and make personalised wealth advice possible at scale.
You'll write Kotlin day-to-day, work across greenfield services and existing systems, and make the kind of early engineering decisions that compound for years. Expect to partner closely with the Head of Engineering on architecture, and with product and ML on how the backend shapes what users experience.
This role is for someone who excels at first principle thinking, is comfortable owning systems end-to-end, and moves with the urgency of a startup while holding the rigour a financial platform demands. If you're looking to do meaningful work and you're not driven by a nine to five mentality, you might be just who we're looking for.
Our technology stack
- Kotlin
- SpringBoot, Arrow
- PostgreSQL
- JUnit, Mockk, Springmockk
- Designing and building the APIs and services that power Quartz's mobile and web apps
- Building the data infrastructure that aggregates user accounts and feeds Charlie, our AI advisor
- Owning features end-to-end - from API design through to production rollout and observability
- Partnering with ML and product to translate advisory logic into reliable, testable backend behaviour
- Setting the bar on code quality, testing, and engineering rigour alongside the Head of Engineering
- Fluency with Kotlin or Java
- 5+ years of experience in backend development
- To be a quick learner with an ambitious attitude and results-driven personality
- Experience in a start-up or scale-up (at least have started something as a side project!)
- Fluency in English
- Experience in finance
- Experience in a product-focused environment
- Experience in DevOps
- Experience working with Hexagonal Architecture and DDD
More about this job
Responsibilities
Design and build APIs, backend services, and data infrastructure for Quartz's apps and AI advisor, owning features from design through production rollout and observability. Collaborate with engineering leadership, product, and machine learning teams to shape architecture and deliver reliable, testable backend behavior.
Requirements
Requires fluency in Kotlin or Java and at least five years of backend development experience, along with English fluency. The ideal candidate is an ambitious, quick learner with startup or side-project experience; finance, product-focused environments, DevOps, Hexagonal Architecture, and DDD are advantageous.
Skills
- Kotlin
- Java
- Backend Development
- API Design
- Spring Boot
- Arrow
- PostgreSQL
- JUnit
- MockK
- SpringMockK
- System Architecture
- Data Infrastructure
- Testing
- Observability
- DevOps
- Hexagonal Architecture
Visa sponsorship
Not detected in the job text
Categories
- Software
- Technology
- Finance & Accounting
- Engineering
- Data & Analytics
Keywords
- Kotlin
- Java
- Spring Boot
- Arrow
- PostgreSQL
- JUnit
- MockK
- SpringMockK
- Backend Development
- APIs
- Backend Services
- Data Infrastructure
- AI Advisor
- Machine Learning
- System Architecture
- Greenfield Services
- Production Rollout
- Observability
- Code Quality
- Testing
- Financial Services
- Wealth Management
- Personalized Financial Advice
- DevOps
- Hexagonal Architecture
- Domain-Driven Design
- Startup
- Scale-Up