We are partnering with a fast-growing, Canada-based online sportsbook and casino to hire an experienced Back End Developer. Reporting to the Director of Development, you will play a critical role in building scalable systems and APIs that power high-traffic, customer-facing applications used daily by a large and engaged user base.
This opportunity is ideal for a Java developer who thrives in fast-paced Agile environments and enjoys designing, building, and optimizing high-performance backend systems from the ground up.
As a Back End Developer, you will be deeply involved in the full software development lifecycle, from design and implementation through to testing, optimization, and monitoring.
Key responsibilities include:
Write clean, well-structured, testable, and reusable Java code
Design and develop scalable systems and RESTful APIs
Improve and fine-tune existing platforms to enhance performance and reliability
Identify and resolve performance bottlenecks in collaboration with engineering peers
Optimize database queries, indexing, and system performance
Work closely with senior engineers to align technical solutions with broader architectural goals
Contribute to Agile ceremonies and collaborate within a high-performing development team
Participate in on-call support when required
We are seeking a technically strong Java Back-End Developer with deep experience in building robust, scalable systems.
You will bring:
7+ years of Java development experience (4+ years at intermediate level), including building systems from scratch
Strong expertise in Java 8+ and frameworks such as Spring, Spring Boot, Hibernate, JPA, Maven
Solid understanding of OOP principles and RESTful API design
5+ years of database experience (PostgreSQL, MySQL; Snowflake a plus) with strong SQL skills
Experience with database indexing, query optimization, and performance tuning
Familiarity with Linux-based environments, servlet containers, and shell scripting
Experience with Git / BitBucket
Basic knowledge of networking protocols and encryption principles
Experience working collaboratively within Agile software teams
Bachelors or Masters degree (or equivalent practical experience)
Nice to Have:
Experience with Kafka, Redis, or ActiveMQ
Cloud and distributed systems experience (AWS preferred)
Docker and Kubernetes knowledge
Java 17 and Mockito experience
Experience in gaming, payments, KYC, or other regulated digital environments
Experience operating in high-traffic, high-demand production systems
Proven ability to troubleshoot and optimize performance bottlenecks
Fully remote opportunity (Canada-wide)
Competitive compensation and comprehensive employer-paid benefits
Exposure to high-scale systems in a performance-driven environment
Collaborative engineering culture focused on continuous improvement
Structured onboarding and long-term career growth opportunities
This position does not use artificial intelligence during the hiring process
If you are a performance-focused Back-End Developer looking to build and optimize high-scale systems in a fast-growing digital business, please get in touch to learn more!
