Backend Developer

Job Description

Back End Developer 

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.

What You Will Do

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

All About You

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

Additional Information

• 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!